Role Description We are looking for a talented and motivated Back-end Developer to join our team. As a Back-end Developer, you will play a key role in building and maintaining high-performance, scalable, and distributed systems. You will be responsible for creating efficient, reliable, and scalable backend services that power our applications and provide excellent user experiences. The ideal candidate should have hands-on experience with modern back-end technologies, strong problem-solving skills, and a deep understanding of distributed data systems, performance optimization, and concurrency. If you're passionate about solving complex technical challenges and optimizing back-end systems, we'd love to hear from you! NOTE: - Preferred experience range: 3-5 Years - Candidates must be open to work within USA time zones EST/EDT and PST/PDT hours. Qualifications - Proven experience in Back-end development, specifically with Golang or Node.js. - Strong hands-on experience with AWS (e.g., EC2, S3, RDS, etc.). - Proficiency in writing and optimizing SQL queries and working with relational databases. - Solid experience with the Linux operating system, including scripting and system administration. - Expertise in CI/CD workflows, including tools like Jenkins, GitLab CI, or CircleCI. - Deep understanding of concurrency, with a proven ability to identify and resolve race conditions using effective synchronization techniques. - Experience in profiling and tuning code to ensure optimal system performance and efficiency. - Strong foundation in data structures and algorithms, with the ability to implement complex algorithms to solve performance-sensitive tasks. - Ability to troubleshoot complex issues and provide innovative solutions in a fast-paced, collaborative environment. Requirements - Design, implement, and maintain back-end services using Golang or Node.js. - Build, manage, and scale systems on AWS infrastructure. - Develop and maintain complex SQL databases, ensuring optimal query performance and database design. - Work closely with front-end developers and other team members to deliver seamless and scalable solutions. - Write and maintain efficient, well documented, and reusable code. - Contribute to CI/CD pipelines for automated testing and deployment processes. - Resolve race conditions, concurrency issues, and improve overall system performance through efficient solutions. - Profile and optimize code for performance, scalability, and low-latency operations. - Leverage your deep understanding of advanced data structures and algorithms to tackle complex problems. - Continuously improve the backend infrastructure by identifying bottlenecks and optimizing system reliability. Benefits - Flexible Work & Time-Off Culture: At BIG Happy Inc. we believe that great work comes from a well balanced life. Our flexible time-off policy and work-from-home options empower employees to manage their schedules effectively, recharge when needed, and maintain a healthy work-life balance without compromising productivity. - Comprehensive Health & Family Support: We prioritize the well-being of our team and their families. Our plans provide parental support policies, including maternity benefits, ensure that employees feel supported during important life stages. - Performance-Driven Rewards & Growth: We recognize and reward impact. Through performance bonuses and incentive programs, employees are acknowledged for their contributions and achievements, fostering a motivating environment that supports both personal and professional growth. - Relocation & Seamless Transition Support: Joining us from a different location? We’ve got you covered. Our relocation support and reimbursement policies are designed to make your transition smooth and stress-free, allowing you to focus on settling into your role and new environment. - Inclusive Culture & Collaborative Environment: Our workplace thrives on collaboration, inclusivity, and engagement. From cross-functional 1:1s to team building activities like movie outings, events, and office get-togethers, we ensure every team member feels connected, valued, and empowered to contribute meaningfully.

Role Description As a Staff Software Engineer with a strong backend focus, you will own and evolve the systems that power Foodsmart’s platform. You will design, build, and operate backend services and data infrastructure that support both member facing experiences and internal clinical workflows. You will also contribute to the frontend when needed, with an emphasis on enabling reliable, scalable, and secure product functionality. Your work will directly support personalized nutrition journeys and the tools used daily by registered dietitians. You will spend most of your time on backend systems, APIs, and data. You will stay close enough to the frontend to ensure end to end quality and strong product outcomes. - Develop and maintain the backend systems powering the Foodsmart web application. - Collaborate with front-end engineers to design and implement APIs that effectively serve front-end needs. - Establish and uphold development practices, including code reviews and comprehensive testing, to enhance code quality and system performance. - Work closely with the product team to comprehend end-user requirements, formulate use cases, and transform those into a robust and efficient backend solution. - Debug and resolve production, server-side and database-related issues. - Proactively monitor and optimize system performance and scalability. - Stay informed about emerging technologies and propose ways to leverage them in current and future backend development. Qualifications - Firm in your understanding of software engineering principles, with strong knowledge of algorithms and data structures. - Proficient with backend development tools and experienced with server architecture. - Familiar with database design principles, management systems like SQL or NoSQL, and integrating these systems with web applications. - Well-versed with code versioning tools, such as Git. - Exhibiting strong problem-solving skills, meticulous attention to detail, and a disciplined approach to testing and quality assurance. - Adept at managing and optimizing server-side performance and ensuring the scalability of our systems. - Capable of effectively communicating technical concepts to other members of the team and stakeholders. Requirements - 8 - 10 years of proven experience in backend development using one or more popular programming languages, such as JavaScript, TypeScript or Node.js. - Proficient knowledge of RESTful APIs and experience in designing and implementing them for optimal performance. - Strong command of SQL databases, including relational databases like MySQL or PostgreSQL, as well as non-relational databases like DynamoDB. Experience with cloud data warehouses such as Amazon Redshift is a plus. - Extensive experience developing functionality using AWS services like Lambda, SQS, RDS and EC2. - Experience in low-code development platforms like Retool is a plus. - Exposure to Docker and experience working with applications to run in a container orchestration environment, such as Kubernetes. - BS or MS in Computer Science or a related field. Benefits - Remote-First Company - Unlimited PTO - Flexible & remote location - Healthcare Coverage (Medical, Dental, Vision) - 401k & bonus - Registered Dietitian Services

Role Description We’re now expanding our UK hub and this is an exciting moment to join us as we grow our UK presence. You will join one of our UK-based teams working to enhance our platform. - Own complex technical work end to end: breaking down ambiguous problems, making deliberate trade-off decisions, and shipping well-considered code that improves the outcomes of our customers. - Contribute to architectural design and keep an eye on the broader health of the systems you work on. - Raise issues in requirements, design, or code before they become problems. - Invest time in the people around you through code review, pairing, or helping less experienced engineers grow. - Collaborate with colleagues based in India and the US. We embrace AI-first development, using AI tooling throughout the engineering lifecycle to move faster and build better software. Our engineers own what they ship: every service running in production is the direct responsibility of the team behind it. Qualifications - Strong demonstrable experience and passion for backend development. - Enjoy working together in multidisciplinary teams to deliver solutions for customers. - Proficient in designing and architecting microservices systems, including distributed data management and event-driven architectures. - Skilled in designing and operating containerised software hosted in a Cloud Provider (AWS, Azure, or GCP). - Experience with cloud-based data storage, such as Relational Databases, NoSQL Stores, data caches, etc. - Experience writing strongly-typed languages in the Java family (Java, Scala, Kotlin). Requirements - Experience with petabyte-scale, high-availability software systems. - Writing software for regulated industries. Benefits - £90 to £114 + performance related bonus + Equity. - Remote if you live far away from central London. - Opportunity to share in the success of the company with equity RSU grants. - Your own personalised growth development plan. - Comprehensive Health Cover: Private Medical Insurance with AXA Health (fully company-paid for employees, zero excess) and Private Dental Insurance via Bupa. Both are active on day one! - Robust Financial Security: Group Life Assurance (4x your basic salary) and Group Income Protection (75% of basic salary after 26 weeks of illness/injury). - Smart Retirement Savings: Access to a company pension scheme with an optional Salary Sacrifice program via Workday to maximize your savings. - Wellness & Lifestyle Support: Annual allowances for health assessments (up to £275/year), vaccinations (up to £125/year), and optician/eye test reimbursements. - 24/7 Care Ecosystem: Total well-being support with unlimited 24/7 digital GP access via Doctor at Hand, a comprehensive Employee Assistance Program (EAP), and specialized legal/bereavement counseling helplines. - Authorization to Work in the UK: Candidates must be legally authorized to work in the United Kingdom without sponsorship now or in the future. DISCO is not currently sponsoring visas.

Role Description We’re looking for a Software Engineer to help build and deliver customer-facing solutions by integrating our core platform with a wide range of third-party systems and APIs. This role combines full-stack application development with systems integration, requiring someone who enjoys solving complex technical challenges and turning customer requirements into reliable, scalable software. You’ll work closely with product managers, customer success, and engineering teams to design, develop, and deploy solutions that connect our platform with our customers’ technology ecosystems. What You’ll Do - Design, build, and maintain full-stack applications using Node.js, React, TypeScript, NestJS, and PostgreSQL. - Develop and maintain integrations with external APIs, including REST and other web service technologies. - Extend and customize our core platform to meet customer-specific business requirements. - Design clean, maintainable, and scalable backend services and frontend applications. - Collaborate with customers and internal stakeholders to understand integration requirements and translate them into technical solutions. - Troubleshoot integration issues across distributed systems and work with third-party vendors when necessary. - Write well-tested, production-ready code with a focus on reliability, performance, and security. - Participate in code reviews, architecture discussions, and continuous improvement initiatives. - Contribute to documentation for integrations, APIs, and internal development processes. Qualifications - Strong experience with TypeScript. - Professional experience developing backend services with Node.js and NestJS. - Experience building modern frontend applications with React. - Solid understanding of PostgreSQL and relational database design. - Experience consuming and integrating external APIs. - Good understanding of RESTful API design and HTTP protocols. - Experience with Git and collaborative software development practices. - Strong problem-solving skills and the ability to work independently. - Excellent communication skills and the ability to work directly with both technical and non-technical stakeholders. Requirements - Availability: Full-Time Freelancer - Remote location, preferably in the European Union - Fluency in English Benefits - Asynchronous first: We minimise unnecessary meetings and document everything in Notion. - Focus time & deep work: Meetings-free mornings + 1 in-office Team Day per week. - Fast-paced, iterative development: We push to main frequently and release several times per week. - Strong testing culture: Pragmatic test-driven development (TDD), heavy use of E2E tests. - Impact: Be part of a small, high-performing team driving real-world sustainability impact. - Hybrid work and central Munich offices: work from the office and from home. - Growth: Join an early-stage startup with significant ownership and career growth potential. - Cutting-edge tech: Work on exciting challenges in automation, AI, and compliance tech.