Senior Full-Stack Developer (NodeJS/Typescript)
full-time•Madrid
About this role
Senior Full-Stack Developer (NodeJS/Typescript)
Department: Business Partner Transparency
Employment Type: Permanent - Full Time
Location: Madrid
Description
As a Senior Full-Stack Developer, you’ll play a key role in shaping the future of Business Partner Transparency products (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 Madrid, a vibrant tech hub at the heart of Madrid center, 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.
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 Node.js (Mainly) and Typescript. ReactJS, JavaScript is also good to bring.
- 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
- An Unicorn with 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 Madrid
- 25 days vacations
- Health Care Insurance
What you'll do
- Design, build, and optimize full-stack features using modern technologies while collaborating with product managers and engineers. Ensure high-quality code through rigorous reviews and contribute to technical strategy.
About osapiens
osapiens – one platform for sustainable growth
osapiens develops cloud-based software solutions that empower companies to drive sustainable growth across their entire value chain. With powerful data integration and real-time analytics, osapiens supports companies to consolidate, interpret and act on complex operational data and sustainability metrics.
The osapiens HUB – a scalable, AI-powered platform – combines over 25 solutions to enhance operational efficiency and sustainability in two core areas: Transparency solutions enable companies to map and monitor their entire value chain to mitigate supply chain risks and comply with regulatory requirements such as EUDR, CSRD and CSDDD. Efficiency solutions facilitate operational excellence by streamlining maintenance processes, optimizing asset performance, and enabling efficient planning, scheduling, and field service operations.
Headquartered in Mannheim, Germany, osapiens works with an international team of over 500 employees to support more than 1,800 customers worldwide.
Ready to join osapiens?
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Frequently Asked Questions
What does a Senior Full-Stack Developer (NodeJS/Typescript) do at osapiens?
As a Senior Full-Stack Developer (NodeJS/Typescript) at osapiens, you will: design, build, and optimize full-stack features using modern technologies while collaborating with product managers and engineers. Ensure high-quality code through rigorous reviews and contribute to technical strategy..
Is the Senior Full-Stack Developer (NodeJS/Typescript) position at osapiens remote?
The Senior Full-Stack Developer (NodeJS/Typescript) position at osapiens is based in Madrid, Madrid Community, Spain. Contact the company through Clera for specific work arrangement details.
How do I apply for the Senior Full-Stack Developer (NodeJS/Typescript) position at osapiens?
You can apply for the Senior Full-Stack Developer (NodeJS/Typescript) position at osapiensdirectly through Clera. Click the "Apply Now" button above to start your application. Clera's AI-powered platform will help match your profile with this opportunity and guide you through the application process.