Senior Full-Stack Developer (React / Node.js) (m/f/x)
As a Senior Full-Stack Developer, you’ll play a key role in shaping the future of Business Partner Transparency (BPT) within our osapiens HUB. This enterprise-grade platform helps companies comply with critical ESG regulations like:
- The German Supply Chain Due Diligence Act (LkSG) – ensuring suppliers uphold human rights and environmental standards.
- The Whistleblower Directive – providing secure, anonymous reporting channels.
- The Corporate Sustainability Due Diligence Directive (CSDDD) – upcoming EU-wide sustainability compliance.
Our osapiens HUB is a modern, enterprise-grade development platform that enables businesses to build powerful applications without worrying about infrastructure, scaling, or failover. You’ll help develop and refine this cutting-edge, serverless ecosystem while delivering meaningful solutions for international clients.
This role is based in Mannheim, a vibrant tech hub at the heart of Germany, where you'll collaborate with a talented, forward-thinking team. We embrace a hybrid work model, with three days a week in the office, ensuring the perfect balance between in-person collaboration and remote flexibility.
Key Responsibilities
- Design, build, and optimize full-stack features using modern front-end and back-end technologies, ensuring scalability and maintainability.
- Develop and enhance innovative software solutions that automate complex compliance workflows for businesses of all sizes.
- Collaborate closely with product managers, designers, and engineers in small, agile squads (5-7 people) to define, refine, and implement features.
- Ensure high-quality, secure, and efficient code through rigorous reviews, automated testing, and continuous integration/deployment (CI/CD) practices.
- Own the architecture and design of JavaScript-based solutions, optimizing for performance, reliability, and user experience.
- Contribute to technical strategy and decision-making, identifying opportunities for innovation and process improvements.
- Mentor and support junior developers, fostering a culture of learning and technical excellence within the team.
Skills, Knowledge and Expertise
- Strong experience in full-stack development with a focus on React.js, Node.js, JavaScript, and TypeScript.
- Expertise in web services development and integration (REST, GraphQL, etc.).
- Familiarity with Git for version control and collaboration.
- Strong product mindset – you think beyond code, considering user experience, business impact, and scalability.
- Agile experience – comfortable working in sprints, participating in stand-ups, and iterating quickly.
- Excellent communication skills in English (C1). German is a bonus (B1+)
Benefits
- A purpose-driven mission with and for global industry pioneers in tackling complex challenges
- Room for creativity through collaborative teamwork and an open communication culture
- Flexibility and team bonding with our hybrid work options
- Fuel for your growth journey, both personally and professionally
- Sustainable mobility options, promoting eco-friendly commuting solutions
- Fun team events and outings with our global teams
- Inspiring workspaces in Mannheim and beyond
About osapiens
osapiens develops holistic Software-as-a-Service solutions that enable global companies from a wide range of industries to ensure transparency, efficiency and trust along their entire value chain. The goal of osapiens is to enable sustainability through transparency in the supply chain at the product level and at the supplier level. With its cloud technology platform, the 'osapiens HUB', osapiens uses innovative technologies such as artificial intelligence to not only strengthen companies economically, but also to make human rights and ecologically sustainable and responsible corporate governance the global standard.
osapiens currently works with around 1,300 companies from more than 50 countries around the world in sectors including consumer goods, wholesale and retail, automotive and engineering, fashion and luxury, and pharmaceutical and medical products. The fast-growing company was founded in 2018 and currently employs nearly 300 people from more than 35 nations at its headquarters in Mannheim, Germany.
osapiens currently works with around 1,300 companies from more than 50 countries around the world in sectors including consumer goods, wholesale and retail, automotive and engineering, fashion and luxury, and pharmaceutical and medical products. The fast-growing company was founded in 2018 and currently employs nearly 300 people from more than 35 nations at its headquarters in Mannheim, Germany.
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