• Here at Mindera, we are continuously building a fantastic team and would love for you to join us. • We're looking for experienced Kotlin/Java Backend Developers with a passion for solving complex problems. • As part of our team, you will work in an Agile and collaborative environment, taking ownership of the technical aspects of development, and building high-quality software systems. • You will use your expertise in Kotlin or Java (if eager to work with Kotlin) to design and implement robust and scalable backend solutions. • You will contribute to the entire software development lifecycle, from requirements gathering to design, coding, testing, and deployment. • At Mindera, we value collaboration, knowledge sharing, and continuous learning. • You will have the opportunity to work with talented individuals, mentor junior developers, and contribute to the growth and success of the team. • If you thrive in a fast-paced and innovative environment and enjoy working with cutting-edge technologies, then Mindera is the perfect place for you.

• Tech Lead specialized in Java with extensive experience in enterprise architectures and service-oriented solutions (SOA). • Recognized for the ability to lead development teams, define quality standards, and guide the adoption of software engineering best practices. • Strong background in Java Spring Boot and Java EE, with a strategic view for scalable and secure architectures and the ability to align technology with business objectives.

Role Description As a Senior Backend Engineer - AI Agents (m/f/d), you will shape how AI is used in our Corporate Carbon Footprint (CCF) and Product Carbon Footprint (PCF) workflows. - Focus on building reliable, production-grade LLM-based systems and integrating them cleanly into our backend architecture. - This is not a research role; it’s about making AI systems understandable, reproducible, and trustworthy in a data-heavy, audit-relevant product. - Work closely with the CTO, product management, senior engineers, and sustainability experts, combining hands-on implementation with architectural responsibility. You will work on: - Designing and implementing agent-based LLM systems (tool calling, orchestration). - Applying RAG to ground AI outputs in internal data. - Defining evaluation, quality control patterns, and uncertainty signals for AI-generated results (e.g. LLM-as-a-judge). - Combining AI-driven logic with rule-based mechanisms for reproducibility. - Making informed trade-offs between accuracy, cost, latency, and reliability in production. You will not be building or training foundation models. Qualifications - 5+ years of experience in backend software development. - Strong Python skills. - Proven track in agent development in a professional environment. - Strong familiarity with agent frameworks, technologies, and techniques (RAG, tool-calling, function-calling, agent design patterns). - Experience balancing performance, cost, and accuracy in production environments. - Fluent in English, clear written and verbal communication (German is a plus). - You live in the EU (CET ±1) with a valid work permit. - You are passionate about the fight against the climate crisis and creating customer-oriented solutions that deliver real added value. - Startup or scale-up experience. Requirements - Experience in data-heavy or audit-relevant domains (Nice to have). - Degree in computer science or a related field (Nice to have). Benefits - Creating long-lasting software with a positive impact - we are here to stay. - Play a decisive role in shaping our product and corporate culture. - A mission that drives us every day. - Fair compensation (first order of magnitude: around € 70,000 - 80,000 gross depending on experience). - 28 vacation days and flexible vacation planning (you don't have to plan your entire vacation at the beginning of the year). - Flexible working hours - family-friendly. - 100% remote is possible - work from your preferred location. - Freedom to contribute to the open source community. - Teamevents. Studies show that men apply for jobs if they fulfill around 60% of the criteria on average. Women and other members of marginalized groups, on the other hand, often only apply if they meet every single criterion. So, if you think you have the potential but don't exactly meet every point in the job description, apply anyway. Applicants of all ages are welcome. Are you the right person to help take our company to the next level? Then simply apply to us now with your LinkedIn or Xing profile. We look forward to getting to know you! Company Description Global Changer helps Sustainability Teams of complex organizations automate tedious tasks to reach CSRD-compliance and achieve their goals with our intelligent copilot and expert guidance. We are a fast-growing, fully remote Climate Tech startup with an office in Berlin.

Requisition Number: 2337945 Optum Tech is a global leader in health care innovation. Our teams develop cutting-edge solutions that help people live healthier lives and help make the health system work better for everyone. From advanced data analytics and AI to cybersecurity, we use innovative approaches to solve some of health care's most complex challenges. Your contributions here have the potential to change lives. Ready to build the next breakthrough? Join us to start Caring. Connecting. Growing together. Role Overview: This role is responsible for designing, developing, testing, and supporting critical rules application in production. The role requires solid engineering expertise, understanding of US Healthcare Insurance (nice to have), and hands on experience operating modern, cloud enabled systems at scale. The engineer will partner with architects, business operations, and interfacing application teams to deliver high quality, resilient, and secure software while ensuring the availability of systems in production. You'll enjoy the flexibility to work remotely * from anywhere within the U.S. as you take on some tough challenges. For all hires in the Minneapolis or Washington, D.C. area, you will be required to work in the office a minimum of four days per week. Primary Responsibilities: - Full Stack Development: - Developing and managing business rules in IBM ODM, including rule authoring, decision tables, and ruleflow maintenance - Design and build REST and GraphQL APIs in Java - Design and implement Kafka producers and consumers including schema design, partitioning strategy, and reliable message processing - Setup and manage deployment pipelines using GitHub Actions, including reusable workflows, environment secrets, and automated deployment rules - Experience integrating JFrog Artifactory with CI/CD pipelines for storing, publishing, versioning, and promoting build artifacts - Writing JUnit tests with high code coverage, ability to identify and remediate issues from static and dynamic code analysis tools (eg, CodeQL, SonarQube, security scanners) - Work with MySQL, including designing high performance database schemas optimized for high volume transactional workloads - Perform system testing and end to end testing to ensure the delivery of high quality, resilient, and secure code to production, and provide support for production systems as needed - Deploying services on Kubernetes based platforms (eg, HCC K8s), including configuration, scaling, and troubleshooting - Devops & Collaboration: - Use observability and monitoring tools such as Splunk, Dynatrace, Zabbix, and Grafana to monitor logs, track application performance, analyze trends, and proactively identify issues - Collaborate with cross-functional teams including architects, Business users and operations - Participate in code reviews, architecture discussion, and agile ceremonies - Support the application in production, ensuring availability, stability, and timely issue resolution - Participate in PLM activities, ensuring compliance with organizational release governance and alignment with CI/CD and deployment lifecycle requirements - Maintain detailed and up to date documentation for application features, system behavior, and associated security controls to support engineering and operational excellence - AI Tool Usage: - Utilize AI-powered development tools (eg, GitHub Copilot etc) for code generation, refactoring, debugging, and documentation - Apply AI tools to improve test coverage, code quality, and productivity - Stay updated with emerging AI technologies relevant to software development You'll be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role as well as provide development for other roles you may be interested in. Required Qualifications: - Bachelor's degree or higher in Computer Science, Engineering, or related field - 10+ years of experience in IT, with solid focus on application engineering and production operations - Hands on experience designing, developing, deploying, monitoring, and supporting applications in production environments - Solid experience with cloud platforms, APIs, event driven automation, and integration patterns - Experience in scripting and automation using Python, Power Automate, Microsoft Graph API, and shell scripting - Solid experience with Java, Maven, XML, REST APIs, microservices, and web services - Solid SQL skills and experience with relational and NoSQL databases; exposure to Kafka or other streaming platforms - Working knowledge of AI tools and their application in engineering workflows - Knowledge of US Healthcare insurance with focus on payer side claims processing - Proficiency with CI/CD platforms such as GitHub Actions - Proven excellent communication skills with ability to explain complex concepts clearly - Proven comfortable working with global, distributed teams in a fast paced environment *All employees working remotely will be required to adhere to UnitedHealth Group's Telecommuter Policy Pay is based on several factors including but not limited to local labor markets, education, work experience, certifications, etc. In addition to your salary, we offer benefits such as, a comprehensive benefits package, incentive and recognition programs, equity stock purchase and 401k contribution (all benefits are subject to eligibility requirements). No matter where or when you begin a career with us, you'll find a far-reaching choice of benefits and incentives. The salary for this role will range from $91,700 to $163,700 annually based on full-time employment. We comply with all minimum wage laws as applicable. Application Deadline: This will be posted for a minimum of 2 business days or until a sufficient candidate pool has been collected. Job posting may come down early due to volume of applicants. At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission. UnitedHealth Group is an Equal Employment Opportunity employer under applicable law and qualified applicants will receive consideration for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or protected veteran status, or any other characteristic protected by local, state, or federal laws, rules, or regulations. UnitedHealth Group is a drug - free workplace. Candidates are required to pass a drug test before beginning employment.