Lead Full Stack Developer

ProPursuit is currently looking for an experienced Lead Full Stack Developer for an energy supplier client of ours located in Cologne, Germany.

This position is a hybrid working module, although our client is very flexible with the onsite allowance, but this position does require fluency in German.

Your role:

• You will lead the conception, development, and implementation of new, complex features. This encompasses everything from architectural design in the backend (Node.js) to driving the execution in the frontend (Vue.js), setting and ensuring adherence to technical guidelines.
• You will be instrumental in the design, standardization, and implementation of robust, highly scalable, and future-proof APIs. These APIs serve as the central communication interface for thousands of heat pumps and our mobile application, demanding the highest standards for performance and reliability.
• You will establish and uphold high standards for code quality, maintainability, and test coverage (unit and integration tests) within the team. This involves defining code conventions, conducting code reviews, and mentoring other developers to continuously improve development quality.
• You will proactively shape the architecture of our CI/CD pipeline and infrastructure. This includes optimizing and evolving our environments using technologies like Docker, Heroku, and MongoDB to ensure efficient, reliable, and automated deployments.
• You will be an integral part of an interdisciplinary development team, working closely with product managers, designers, and other stakeholders. You will be responsible for the technical analysis of requirements and translating them into outstanding, actionable technical solutions.
• You will proactively identify new technologies, architectures, and best practices, driving their evaluation and adoption. Your goal is to continuously enhance our platform, ensure its future readiness, and achieve a strategic advantage through technological excellence.

Your profile:

• You have several years of hands-on experience in full-stack development in an agile team, serving as the Lead developer (or most senior developer on the team) and you are looking for a company which promotes teamwork, technical excellence and dependability.
• Profound knowledge inNode.jsandTypeScriptfor backend development (we use Nest.js for our backend services).
• Proficient inVue.jsor another modern JavaScript framework (e.g., React, Angular).
• Experience with NoSQL databases, especiallyMongoDB.
• Practical experience with containerization (Docker) and deployment platforms (Heroku).
• You understand how technology contributes to business goals and canintegrate technical considerations, user needs, and business objectivesinto your decision-making.
• A strong grasp ofmodern software architecture, API design, and web development best practices. Experience in developing mobile apps withPWA and Capacitor is a plus.
• You are ateam player with excellent communication skills, capable of explaining complex technical matters to both technical and non-technical colleagues.
• Aproactive, solution-oriented approachand the ability to quickly grasp new topics.
• Passion forclean code, technology, and innovative productsin the ClimateTech sector.
• Experience inIoT integration, energy management, or fleet managementis a significant advantage.
• Proficient in usingAI-powered development tools(e.g., GitHub Copilot, Gemini) to boost productivity and code quality.

What we offer:

• Real Responsibility & Product Ownership:As part of the development team, you take responsibility for central components of our software and actively shape the technical future of our products.
• Flexibility & Modern Work: Work in our modern office in Cologne or have flexibility with remote working.
• Depth instead of Buzzwords:We focus on in-depth technical and economic know-how.
• Fair Conditions:We offer flexible working models and fair, competitive compensation.