LanguageWire

• Do you have a consultative mindset and be comfortable managing the large volume of inbound requests we receive as well as cold contacting new prospects up to C-Level stakeholders? • The Business Development Director will be a key factor in our current growth. • You will work across our ecosystem of technology and services to deliver high value solutions to enterprise clients. • You will be part of a globally acting team focusing on selling LanguageWire’s techonlogy stack. • You will work closely with your direct leader, Senior Director and Managing Director US, and also with other departments, such as our customer excellence and onboarding team. • Driving new business growth and consistently achieving or exceeding annual sales targets across the US region. • Proactively identifying, hunting and converting new opportunities into signed deals. • Generating and qualifying leads through strategic outreach, cold-calling, networking and social selling activities. • Building and developing relationships with future enterprise customers through value-based and consultative conversations. • Managing and growing a healthy sales pipeline while maintaining accurate forecasting in line with LanguageWire guidelines and best practices. • Driving the end-to-end sales process, including proposals, RFPs, RFIs, MSAs, presentations, pricing discussions and contract negotiations. • Representing LanguageWire in strategically important meetings with key stakeholders and decision-makers. • Regularly visiting prospects and customers onsite to strengthen relationships and uncover new opportunities. • Delivering proactive follow-up and value-based customer interactions that build trust and long-term partnerships.

• As a Senior Backend Stack Engineer in the Core Platform Team, you’ll be a principal owner of the TMS (Translation Management System) Platform and connected services. • Driving the architecture, reliability, and evolution of services covering translation workflow orchestration, vendor management, customer management, and integrations with our internal services. • Setting the technical direction for these services: defining how they scale, and maintain the quality bar expected of infrastructure-grade software. • Own and evolve foundational services: Take end-to-end ownership of platform service driving their architecture, reliability, and roadmap. • Lead backend architecture decisions: Author architecture decision records, define service boundaries, and ensure services are designed for scalability, resilience, and long-term maintainability. • Design and enforce API contracts: Define and maintain clean, versioned, well-documented REST APIs consumed by internal teams and, increasingly, by AI agents. • Drive technical quality: Own non-functional requirements — performance, observability, security, and availability — across the services you lead. • Collaborate cross-functionally: Work with product managers and domain experts across the business to shape the platform roadmap and translate real needs into sound technical solutions.

Role Description As a Senior Backend Stack Engineer in the Core Platform Team, you’ll be a principal owner of the TMS (Translation Management System) Platform and connected services. Your responsibilities include: - Driving the architecture, reliability, and evolution of services covering translation workflow orchestration, vendor management, customer management, and integrations with internal services. - Setting the technical direction for these services, defining scalability, capabilities exposure, and maintaining quality standards. - Taking pride in building robust, well-designed systems and raising the technical level of the team. Qualifications - 5+ years of backend engineering experience in production environments. - Deep expertise in C#, .NET Core / .NET 8+, ASP.NET Web API, and microservices architecture. - Strong experience with distributed systems concepts. - Strong experience with AI developer tools. - Deep proficiency with relational databases (MSSQL and/or PostgreSQL). - Demonstrated experience making and documenting architectural decisions. - Hands-on DevOps experience. - Experience designing robust, versioned REST APIs. - Some frontend exposure (Vue.js and/or TypeScript). - A track record of mentoring and uplifting junior engineers. - Strong communication skills and English fluency. - Agile, collaborative, and opinionated in a constructive way. Requirements - Proven track record of owning and evolving production services. - Experience with workflow automation frameworks. - Deep observability mindset. - Experience with service mesh, API gateway patterns, or platform engineering practices at scale. Benefits - Flat hierarchies, real responsibility and autonomy. - Internal development opportunities and ongoing support. - International company with over 300 employees and multiple office locations. - Full-time FlexiWire@home option for remote work. - Social events and a genuine social culture. - Excellent location in modern offices in Valencia city center. - Private health insurance. - International environment with diverse nationalities. - Dog-friendly office with amenities.

LanguageWire is a global leader in language and content services, dedicated to helping brands achieve their full global potential. Since 2000, we’ve evolved and built unique technology that enables seamless multilingual communication. Our worldwide network of language experts, together with our intuitive online platform, empowers brands to translate and manage multilingual content effortlessly.    The role you’ll play  As our Senior Full Stack Engineer, you won’t just ship code — you’ll own outcomes. You’ll be part of a product-driven team that builds, runs, and continuously improves the platform our translators, customers, and internal experts rely on. From idea to production and beyond, you’ll take responsibility for creating value, ensuring quality, and operating what you build in a cloud-native environment. Your focus will be modernizing and extending our front end (Vue.js + TypeScript), while also diving into our PHP or .NET solutions and databases when needed. You’ll work closely with product managers, UX, and your teammates to deliver features that make a real difference — not just lines of code.      The team you’ll be a part of  We are evolving from a feature factory to a product team mindset. That means we value outcomes over output, continuous delivery over long release cycles, and shared ownership over silos. Our suite of PHP and .NET solutions powers the LanguageWire platform, and as part of the team you’ll make sure those services are reliable, scalable, and delivering maximum value to our users.    What you’ll do  - Take end-to-end ownership of features and services: from design and coding to deployment, monitoring, and maintenance (“You build it, you run it”).  - Collaborate with product managers and designers to shape solutions that solve real user problems.  - Modernize and expand our front end while contributing to backend services and databases.  - Contribute to the architecture, design, and implementation of new product capabilities.  - Set up and improve CI/CD pipelines to deliver frequently and with confidence.  - Ensure quality through testing (TDD/BDD), code reviews, and proactive issue prevention.  - Apply best practices in DevOps, Automation, and Operational Excellence.  - Share knowledge with the team.    In one year, you’ll know you were successful if…  - You’ve delivered meaningful features that are used and loved by our customers.  - You’ve improved the reliability and delivery speed of our platform through better CI/CD and DevOps practices.  - You’re recognized as a go-to person for product and technical leadership within the team.  - You and your team feel true ownership of the product, celebrating outcomes instead of just output.    Desired experience and competencies   What does it take to work for LanguageWire?    What we’re looking for  - A product mindset: you care about solving problems, not just completing tickets.  - Strong full stack experience:  - Backend: C#, .NET Core 10, PHP, microservices  - Databases: MSSQL and/or PostgreSQL  - Frontend: Vue.js and/or TypeScript mainly  - Solid understanding of software architecture, design patterns, and modern engineering practices.  - Hands-on DevOps experience: CI/CD pipelines, IaC (Terraform, Helm), containerization (Docker), Kubernetes, and cloud (Azure, AWS, or GCP).  - Proven ability to mentor, collaborate across disciplines, and elevate team practices.  - Comfortable in agile environments, actively shaping team ceremonies, planning, and retrospectives.    Why join us  At LanguageWire, you’ll join a culture where developers own their products end-to-end, continuously learn, and directly see the impact of their work on users worldwide. If you’re motivated by outcomes, thrive in CI/CD environments, and want to shape both code and product, this is the role for you.    Our perks  - Enjoy flat hierarchies, responsibility and freedom, direct feedback, and room to stand up for your own ideas  - Internal development opportunities, ongoing support from your People Partner, and an inclusive and fun company culture  - International company with over 300 employees. Offices in Copenhagen, Aarhus, Stockholm, Varberg, London, Leuven, Lille, Paris, Munich, Hamburg, Kiev, Atlanta, Finland and Valencia  - We take care of our people and initiate many social get-togethers from Friday Bars to Summer or Christmas parties. We have fun!   - 200 great colleagues in the Valencia office belonging to different business departments   - Excellent location in cool and modern offices in the city center, with a great rooftop terrace and a view over the Town Hall Square  - Private health insurance  - Working in an international environment—more than 20 different nationalities  - A dog friendly atmosphere   - Big kitchen with access to organic fruits, nuts and biscuits and coffee.  - Social area and game room (foosball table, darts, and board games)  - Bike and car parking  About LanguageWire     At LanguageWire, we want to wire the world together with language. Why? Because we want to help people & businesses simplify communication. We are fueled by the most advanced technology (AI) and our goal is to make customer's lives easier by simplifying their communication with any audience across the globe.     Our values drive our behavior  We are curious. We are trustworthy. We are caring. We are ambitious.   At LanguageWire, we are curious and intrigued by what we don’t understand. We believe relationships are based on honesty and responsibility, and being trustworthy reinforces an open, humble, and honest way of communicating. We are caring and respect each other personally and professionally. We encourage authentic collaboration, invite feedback and a positive social environment. Our desire to learn, build, and share knowledge is a natural part of our corporate culture.    Working at LanguageWire — why we like it:      “As a Senior .NET Developer, I am most engaged when tasked with designing and developing scalable solutions, integrating new technologies, and optimizing system performance. I enjoy delivering high-quality software products that meet the needs of our end users. Working on challenging tasks that push the boundaries of my skills and knowledge keeps me motivated and driven in my role.”  (Ruan, Senior .NET Developer, Valencia)    Yes, to diversity, equity & inclusion   In LanguageWire, we believe diversity in gender, age, background, and culture is essential for our growth. Therefore, we are committed to creating a culture that incorporates diverse perspectives and expertise in our everyday work.  LanguageWire’s recruitment process is designed to be transparent and fair for all candidates. We encourage candidates of all backgrounds to apply, and we ensure that candidates are provided with an equal opportunity to demonstrate their competencies and skills.    Want to know more?   We can’t wait to meet you! So, why wait 'til tomorrow? Apply today!     If you want to know more about LanguageWire, we encourage you to visit our website!

• You will help improve our existing ML-based products and build new features and services using LLMs. • A core part of the role is context engineering — designing the right inputs, retrieval strategies, and prompt structures to get the best possible output from LLMs in production. • You'll also contribute to our software engineering efforts when needed, bridging the gap between ML and software engineering on the team. • You will work in the Machine Learning Team, where we build LanguageWire's machine translation (MT) and adjacent services to monitor and predict its performance. • The team consists of ML Engineers, Analytics Engineers, and Full Stack Software Engineers. • You'll collaborate across these disciplines daily, and we value people who can move fluidly between ML experimentation and production engineering. • You'll report to the team leader.

LanguageWire is a global leader in language and content services, dedicated to helping brands achieve their full global potential. Since 2000, we’ve evolved and built unique technology that enables seamless multilingual communication. Our worldwide network of language experts, together with our intuitive online platform, empowers brands to translate and manage multilingual content effortlessly.    The role you’ll play  You will help improve our existing ML-based products and build new features and services using LLMs. A core part of the role is context engineering — designing the right inputs, retrieval strategies, and prompt structures to get the best possible output from LLMs in production. You'll also contribute to our software engineering efforts when needed, bridging the gap between ML and software engineering on the team.    The team you’ll be a part of    You will work in the Machine Learning Team, where we build LanguageWire's machine translation (MT) and adjacent services to monitor and predict its performance. The team consists of ML Engineers, Analytics Engineers, and Full Stack Software Engineers. You'll collaborate across these disciplines daily, and we value people who can move fluidly between ML experimentation and production engineering. You'll report to the team leader.      If you want to make a difference, make it with us by…    - Context engineering LLM-based translation workflows — designing retrieval strategies, prompt structures, and input pipelines that maximize output quality.  - Productionizing the prototypes that prove their value.  - Staying current with LLM research & tools, bringing relevant findings back to the team.  - Constructing and evaluating experiments to measure what actually works.    In one year, you’ll know you were successful if…    - We have made meaningful progress toward agentic MT — where translation workflows can reason, self-correct, and orchestrate multiple steps autonomously  - Our LLMOps practices are mature enough to deploy, monitor, and iterate on LLM-based services with confidence  - Our ways to evaluate MT have improved, applying techniques such as LLM-as-a-judge.  - We can offer even better personalized MT for our customers using LLMs.        Desired experience and competencies   What you’ll need to bring  - 2–3+ years of relevant experience from areas such as ML engineering, AI engineering, or software engineering with a strong ML focus  - Hands-on experience with LLMs and prompt/context engineering — either professional or through substantial personal projects.  - Experience with best practices and building production grade systems in Python. Knowledge of other programming languages is considered a bonus.  - Experience constructing and evaluating experiments.  - A strong analytical mindset — you think in terms of hypotheses, baselines, and measurable outcomes  - A keen interest in the rapidly evolving LLM space and tooling.      This will make you stand out     Experience with:    - Context engineering — designing retrieval, chunking, and prompt strategies for production LLM systems  - Building agentic products or prototypes  - Training or fine-tuning ML models  - LLMOps — deployment, monitoring, evaluation, and iteration of LLM-based services  - Building production-grade, scalable software systems    Our perks    - Enjoy flat hierarchies, responsibility and freedom, direct feedback, and room to stand up for your own ideas  - Internal development opportunities, ongoing support from your People Partner, and an inclusive and fun company culture  - International company with over 300 employees. Offices in Copenhagen, Aarhus, Stockholm, Varberg, London, Leuven, Lille, Paris, Munich, Hamburg,, Sophia Antipolis, Atlanta, Finland and Valencia  - For this role, we have a full-time FlexiWire@home option for remote work. Of course, you are always welcome at the office to collaborate and connect with your colleagues.  - We take care of our people and initiate many social get-togethers from Friday Bars a to Summer or Christmas parties. We have fun!  - Excellent location in cool and modern offices in the city center, with a great rooftop terrace and a view over the Town Hall Square  - Private health insurance  - Working in an international environment—more than 20 different nationalities  - A dog friendly atmosphere  - Big kitchen with access to organic fruits, nuts and biscuits and coffee.  - Social area and game room (foosball table, darts, and board games)  - Bike and car parking        About LanguageWire   At LanguageWire, we want to wire the world together with language. Why? Because we want to help people & businesses simplify communication. We are fueled by the most advanced technology (AI) and our goal is to make customer's lives easier by simplifying their communication with any audience across the globe.  Our values drive our behavior  We are curious. We are trustworthy. We are caring. We are ambitious.  At LanguageWire, we are curious and intrigued by what we don’t understand. We believe relationships are based on honesty and responsibility, and being trustworthy reinforces an open, humble, and honest way of communicating. We are caring and respect each other personally and professionally. We encourage authentic collaboration, invite feedback and a positive social environment. Our desire to learn, build, and share knowledge is a natural part of our corporate culture.     Working at LanguageWire — why we like it:   “As a Senior Full Stack Engineer at LanguageWire, my day is dynamic and collaborative, particularly within the Machine Learning team. I work closely with Machine Learning Engineers to integrate advanced AI capabilities into our web applications and APIs, aiming to enhance customer experiences through innovative features. I also collaborate with other development teams to ensure seamless integration and alignment of our technology solutions, fostering continuous learning and driving the evolution of LanguageWire's technology.”  (Cristian, Senior Full-Stack Engineer, Poland)  Yes, to diversity, equity & inclusion  In LanguageWire, we believe diversity in gender, age, background, and culture is essential for our growth. Therefore, we are committed to creating a culture that incorporates diverse perspectives and expertise in our everyday work.  LanguageWire’s recruitment process is designed to be transparent and fair for all candidates. We encourage candidates of all backgrounds to apply, and we ensure that candidates are provided with an equal opportunity to demonstrate their competencies and skills.  Want to know more?  We can’t wait to meet you! So, why wait 'til tomorrow? Apply today!  If you want to know more about LanguageWire, we encourage you to visit our website!

• Take end-to-end ownership of features and services: from design and coding to deployment, monitoring, and maintenance (“You build it, you run it”). • Collaborate with product managers and designers to shape solutions that solve real user problems. • Modernize and expand our front end while contributing to backend services and databases. • Contribute to the architecture, design, and implementation of new product capabilities. • Set up and improve CI/CD pipelines to deliver frequently and with confidence. • Ensure quality through testing (TDD/BDD), code reviews, and proactive issue prevention. • Apply best practices in DevOps, Automation, and Operational Excellence. • Share knowledge with the team.

• Design and build AI agent tools: Create backend services and APIs that AI agents can invoke to query data, trigger workflows, and interact with internal and external systems. • Integrate with existing services and APIs: Connect agent tooling to LanguageWire’s internal platform APIs, third-party services, and databases. • Define tool schemas and contracts: Design clear, well-documented tool interfaces that LLMs and orchestration layers can reliably consume. • Build agentic features and workflows: Implement end-to-end automated workflows where AI agents solve specific business cases across departments, from operations and finance to sales and project management. • Own your services end-to-end: From architecture and coding to deployment, monitoring, and maintenance (“You build it, you run it”). • Contribute to backend services and data layers: Extend existing .NET microservices and databases to expose the capabilities needed by AI tools. • Set up and improve CI/CD pipelines to ship reliably and frequently. • Apply DevOps and Operational Excellence best practices to ensure agent tools are observable, resilient, and secure. • Share knowledge with the team and help define how we build AI-powered products.

LanguageWire is a global leader in language and content services, dedicated to helping brands achieve their full global potential. Since 2000, we’ve evolved and built unique technology that enables seamless multilingual communication. Our worldwide network of language experts, together with our intuitive online platform, empowers brands to translate and manage multilingual content effortlessly.    The role you’ll play  As our Senior Full Stack Engineer, you won’t just ship code — you’ll own outcomes. You’ll be part of a product-driven team that builds, runs, and continuously improves the platform our translators, customers, and internal experts rely on. From idea to production and beyond, you’ll take responsibility for creating value, ensuring quality, and operating what you build in a cloud-native environment. Your focus will be modernizing and extending our front end (Vue.js + TypeScript), while also diving into our PHP or .NET solutions and databases when needed. You’ll work closely with product managers, UX, and your teammates to deliver features that make a real difference — not just lines of code.      The team you’ll be a part of  We are evolving from a feature factory to a product team mindset. That means we value outcomes over output, continuous delivery over long release cycles, and shared ownership over silos. Our suite of PHP and .NET solutions powers the LanguageWire platform, and as part of the team you’ll make sure those services are reliable, scalable, and delivering maximum value to our users.    What you’ll do  - Take end-to-end ownership of features and services: from design and coding to deployment, monitoring, and maintenance (“You build it, you run it”).  - Collaborate with product managers and designers to shape solutions that solve real user problems.  - Modernize and expand our front end while contributing to backend services and databases.  - Contribute to the architecture, design, and implementation of new product capabilities.  - Set up and improve CI/CD pipelines to deliver frequently and with confidence.  - Ensure quality through testing (TDD/BDD), code reviews, and proactive issue prevention.  - Apply best practices in DevOps, Automation, and Operational Excellence.  - Share knowledge with the team.    In one year, you’ll know you were successful if…  - You’ve delivered meaningful features that are used and loved by our customers.  - You’ve improved the reliability and delivery speed of our platform through better CI/CD and DevOps practices.  - You’re recognized as a go-to person for product and technical leadership within the team.  - You and your team feel true ownership of the product, celebrating outcomes instead of just output.    Desired experience and competencies   What does it take to work for LanguageWire?    What we’re looking for  - A product mindset: you care about solving problems, not just completing tickets.  - Strong full stack experience:  - Backend: C#, .NET Core 10, PHP, microservices  - Databases: MSSQL and/or PostgreSQL  - Frontend: Vue.js and/or TypeScript mainly  - Solid understanding of software architecture, design patterns, and modern engineering practices.  - Hands-on DevOps experience: CI/CD pipelines, IaC (Terraform, Helm), containerization (Docker), Kubernetes, and cloud (Azure, AWS, or GCP).  - Proven ability to mentor, collaborate across disciplines, and elevate team practices.  - Comfortable in agile environments, actively shaping team ceremonies, planning, and retrospectives.    Why join us  At LanguageWire, you’ll join a culture where developers own their products end-to-end, continuously learn, and directly see the impact of their work on users worldwide. If you’re motivated by outcomes, thrive in CI/CD environments, and want to shape both code and product, this is the role for you.    Our perks  - Enjoy flat hierarchies, responsibility and freedom, direct feedback, and room to stand up for your own ideas  - Internal development opportunities, ongoing support from your People Partner, and an inclusive and fun company culture  - International company with over 300 employees. Offices in Copenhagen, Aarhus, Stockholm, Varberg, London, Leuven, Lille, Paris, Munich, Hamburg, Kiev, Atlanta, Finland and Valencia  - We take care of our people and initiate many social get-togethers from Friday Bars to Summer or Christmas parties. We have fun!   - 200 great colleagues in the Valencia office belonging to different business departments   - Excellent location in cool and modern offices in the city center, with a great rooftop terrace and a view over the Town Hall Square  - Private health insurance  - Working in an international environment—more than 20 different nationalities  - A dog friendly atmosphere   - Big kitchen with access to organic fruits, nuts and biscuits and coffee.  - Social area and game room (foosball table, darts, and board games)  - Bike and car parking  About LanguageWire     At LanguageWire, we want to wire the world together with language. Why? Because we want to help people & businesses simplify communication. We are fueled by the most advanced technology (AI) and our goal is to make customer's lives easier by simplifying their communication with any audience across the globe.     Our values drive our behavior  We are curious. We are trustworthy. We are caring. We are ambitious.   At LanguageWire, we are curious and intrigued by what we don’t understand. We believe relationships are based on honesty and responsibility, and being trustworthy reinforces an open, humble, and honest way of communicating. We are caring and respect each other personally and professionally. We encourage authentic collaboration, invite feedback and a positive social environment. Our desire to learn, build, and share knowledge is a natural part of our corporate culture.    Working at LanguageWire — why we like it:      “As a Senior .NET Developer, I am most engaged when tasked with designing and developing scalable solutions, integrating new technologies, and optimizing system performance. I enjoy delivering high-quality software products that meet the needs of our end users. Working on challenging tasks that push the boundaries of my skills and knowledge keeps me motivated and driven in my role.”  (Ruan, Senior .NET Developer, Valencia)    Yes, to diversity, equity & inclusion   In LanguageWire, we believe diversity in gender, age, background, and culture is essential for our growth. Therefore, we are committed to creating a culture that incorporates diverse perspectives and expertise in our everyday work.  LanguageWire’s recruitment process is designed to be transparent and fair for all candidates. We encourage candidates of all backgrounds to apply, and we ensure that candidates are provided with an equal opportunity to demonstrate their competencies and skills.    Want to know more?   We can’t wait to meet you! So, why wait 'til tomorrow? Apply today!     If you want to know more about LanguageWire, we encourage you to visit our website!

LanguageWire is a global leader in language and content services, dedicated to helping brands achieve their full global potential. Since 2000, we’ve evolved and built unique technology that enables seamless multilingual communication. Our worldwide network of language experts, together with our intuitive online platform, empowers brands to translate and manage multilingual content effortlessly. The role you’ll play As a Full Stack Engineer in the Core Platform Team, you’ll be at the forefront of how LanguageWire puts AI to work across the business. You won’t be training models or doing data science, you’ll be building the tools, services, and workflows that let AI agents actually do things: query internal systems, interact with third-party APIs, automate cross-department workflows, and solve real business problems end-to-end. You’ll own the design and delivery of backend-heavy services that expose well-defined, reliable tool interfaces consumed by AI agents. You’ll collaborate with product managers, domain experts from across the company, and fellow engineers to identify pain points and turn them into agentic solutions. The team you’ll be a part of You'll join the Core Platform Team, one of the foundational engineering teams at LanguageWire. The team owns and operates 12 microservices that underpin the entire organisation, covering file storage, authentication, notifications, email delivery, and integrations with our ERP and CRM systems, among others. These are the services every other team depends on. As LanguageWire invests in AI, the Core Platform Team is taking on a new function: building the tools and integrations that allow AI agents to interact with our services and automate workflows across departments. You'll be at the forefront of that expansion, turning the platform's capabilities into reliable, well-defined interfaces that AI agents can act on. We value outcomes over output, shared ownership over silos, and continuous delivery over long release cycles. Our stack is built on .NET microservices, Azure, and modern API patterns.  If you want to make a difference, make it with us by… - Design and build AI agent tools: Create backend services and APIs that AI agents can invoke to query data, trigger workflows, and interact with internal and external systems. - Integrate with existing services and APIs: Connect agent tooling to LanguageWire’s internal platform APIs, third-party services, and databases. - Define tool schemas and contracts: Design clear, well-documented tool interfaces (function schemas, OpenAPI specs, MCP server definitions) that LLMs and orchestration layers can reliably consume. - Build agentic features and workflows: Implement end-to-end automated workflows where AI agents solve specific business cases across departments,  from operations and finance to sales and project management. - Own your services end-to-end: From architecture and coding to deployment, monitoring, and maintenance (“You build it, you run it”). - Contribute to backend services and data layers: Extend existing .NET microservices and databases to expose the capabilities needed by AI tools. - Set up and improve CI/CD pipelines to ship reliably and frequently. - Apply DevOps and Operational Excellence best practices to ensure agent tools are observable, resilient, and secure. - Share knowledge with the team and help define how we build AI-powered products. In one year, you’ll know you were successful if… - AI agents are actively solving real problems across multiple departments using tools you built. - Internal teams are saving meaningful time through automated workflows you’ve designed and shipped. - Your tool APIs are robust, well-documented, and trusted by both engineers and the AI orchestration layer. - You’re recognized as a go-to person for backend architecture and AI tool integration within the team. Desired experience and competencies What does it take to work for LanguageWire? What you’ll need to bring Core engineering skills - Strong backend experience: C#, .NET Core / .NET 6+, ASP.NET Web API, microservices - Solid experience with relational databases (MSSQL and/or PostgreSQL),  query design, schema design, performance - Proven ability to design and build REST APIs and integrate with third-party services and webhooks - Familiarity with async programming, event-driven architecture, and message queues (e.g., Azure Service Bus, RabbitMQ) - Some frontend exposure (Vue.js and/or TypeScript),  enough to contribute when needed, but the focus here is backend  AI tool & integration skills - Practical understanding of LLM APIs (Anthropic, OpenAI, Azure OpenAI), calling them, managing context, handling responses - Familiarity with designing or consuming tool/function calling schemas, defining what an agent can invoke and how - Familiarity with MCP (Model Context Protocol) or similar agent-tool integration patterns (or eagerness to learn) - Understanding of security and authentication for exposed tool APIs (OAuth 2.0, API keys, rate limiting, input validation) - Observability mindset: logging, tracing, and monitoring tool invocations and agent interactions Mindset - A product mindset: you care about solving real business problems, not just completing tickets - Comfortable working with domain experts (non-technical stakeholders) to identify automation opportunities and translate them into technical solutions - Strong communication skills,  English fluency required - Agile, collaborative, and opinionated in a constructive way This will make you stand out - Hands-on DevOps experience: CI/CD pipelines, Docker, Kubernetes, cloud (Azure preferred) - Experience designing agentic workflows: chaining tool calls, handling state, and structuring multi-step automated processes - Familiarity with agent orchestration frameworks (e.g., LangChain, Semantic Kernel, AutoGen, or similar) - Experience with event-driven or workflow automation platforms (e.g., Azure Logic Apps, n8n, Temporal) - Knowledge of prompt chaining patterns and how to structure reliable, deterministic tool-calling behaviour in LLM pipelines Our perks - Enjoy flat hierarchies, responsibility and freedom, direct feedback, and room to stand up for your own ideas - Internal development opportunities, ongoing support from your People Partner, and an inclusive and fun company culture - International company with over 300 employees. Offices in Copenhagen, Aarhus, Stockholm, Varberg, London, Leuven, Lille, Paris, Munich, Hamburg,, Sophia Antipolis, Atlanta, Finland and Valencia - For this role, we have a full-time FlexiWire@home option for remote work. - Working in an international environment—more than 20 different nationalities About LanguageWire At LanguageWire, we want to wire the world together with language. Why? Because we want to help people & businesses simplify communication. We are fueled by the most advanced technology (AI) and our goal is to make customer's lives easier by simplifying their communication with any audience across the globe. Our values drive our behavior We are curious. We are trustworthy. We are caring. We are ambitious. At LanguageWire, we are curious and intrigued by what we don’t understand. We believe relationships are based on honesty and responsibility, and being trustworthy reinforces an open, humble, and honest way of communicating. We are caring and respect each other personally and professionally. We encourage authentic collaboration, invite feedback and a positive social environment. Our desire to learn, build, and share knowledge is a natural part of our corporate culture.   Working at LanguageWire — why we like it:  “As a Senior Full Stack Engineer at LanguageWire, my day is dynamic and collaborative, particularly within the Machine Learning team. I work closely with Machine Learning Engineers to integrate advanced AI capabilities into our web applications and APIs, aiming to enhance customer experiences through innovative features. I also collaborate with other development teams to ensure seamless integration and alignment of our technology solutions, fostering continuous learning and driving the evolution of LanguageWire's technology.” (Cristian, Senior Full-Stack Engineer, Poland) “What I enjoy the most about being a QA Engineer at LanguageWire is testing the products we provide to our customers. It feels rewarding to assure the quality and reliability of our designs. I also enjoy the teamwork involved in my job since I collaborate with many people, ranging from developers to product managers and linguists. In this way, I play a role in ensuring our projects' success, which is incredibly gratifying. I love knowing my work influences the outcome of our production of high-quality products for our customers. I also have the opportunity to work with the latest technologies adds an exciting challenge to my role.” (Ricardo, QA Engineer, Portugal) Yes, to diversity, equity & inclusion In LanguageWire, we believe diversity in gender, age, background, and culture is essential for our growth. Therefore, we are committed to creating a culture that incorporates diverse perspectives and expertise in our everyday work. LanguageWire’s recruitment process is designed to be transparent and fair for all candidates. We encourage candidates of all backgrounds to apply, and we ensure that candidates are provided with an equal opportunity to demonstrate their competencies and skills. Want to know more? We can’t wait to meet you! So, why wait 'til tomorrow? Apply today! If you want to know more about LanguageWire, we encourage you to visit our website!