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(Senior) Full Stack Developer (m/f/d) Heat Fleet

Vamo

Key Facts

Remote From: 
Full time
Senior (5-10 years)
English, German

Other Skills

  • •
    Communication
  • •
    Teamwork
  • •
    Proactivity
  • •
    Solutions Focused
  • •
    Quick Learning
  • •
    Mentorship

Roles & Responsibilities

  • Several years of hands-on full-stack development experience in an agile team, serving as a senior developer.
  • Strong backend expertise in Node.js and TypeScript (Nest.js) and frontend proficiency in Vue.js (or React/Angular).
  • Experience with NoSQL databases (MongoDB) and designing scalable, reliable APIs.
  • Fluent English (written and spoken); German basic to intermediate recommended; valid EU work visa required.

Requirements:

  • Lead conception, development, and implementation of new features for Heat Fleet across backend (Node.js) and frontend (Vue.js), while managing technical debt.
  • Design, standardize, and implement robust, scalable APIs serving thousands of heat pumps and the mobile app.
  • Establish and uphold high standards for code quality, maintainability, and test coverage (unit and integration tests); mentor teammates.
  • Collaborate with designers and stakeholders to translate ideas into actionable technical solutions and contribute to product roadmaps.

Job description

Your mission
At Vamo, our mission is to bring about a new era of heating into homes. To achieve this, we connect modern, efficient, and environmentally friendly heat pumps across Germany with our Heat Fleet (our Fleet management platform for employee) and the Vamo App (our mobile App for end customers). Heat Fleet and the App are built by an interdisciplinary team of developers, and designers working as one scrum team. As our Senior Developer, you will be the technical heart of this team. ​

Tasks:
  • Development & Implementation: You will participate in the conception, development, and implementation of new, complex features for our Heat Fleet. 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 and balancing the introduction of new features with careful management of any potential technical debt.
  • API Design & Architecture: Together with our staff full stack engineer, 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.
  • Code Quality & Testing: You will establish and uphold high standards for code quality, maintainability, and test coverage (unit and integration tests) within the team. This involves defining and following code conventions, conducting code reviews, and mentoring other developers to continuously improve development quality.
  • Team Collaboration & Stakeholder Engagement: You will be an integral part of an interdisciplinary development team, working closely with designers, and other stakeholders throughout the company. Everyone in the team is involved in (and responsible for) the technical analysis of ideas, new features and requirements and translating them into outstanding, actionable technical solutions. You will also get the chance to discuss and influence our roadmap and defend your ideas.
Your profile
Experience:
You have several years of hands-on experience in full-stack development in an agile team, serving as a senior developer with a strong proficiency in backend development, and you are looking for a company which promotes teamwork, technical excellence and dependability.

Tech Stack:
  • Profound knowledge in Node.js and TypeScript for backend development (we use Nest.js for our backend services).
  • Proficient in Vue.js or another modern JavaScript framework (e.g., React, Angular).
  • Experience with NoSQL databases, especially MongoDB.
Skills:
  • A strong grasp of modern software architecture, API design, and web development best practices. Experience in developing mobile apps with PWA and Capacitor is a plus.
  • A proactive, solution-oriented approach and the ability to quickly grasp new topics.
  • You are a team player with excellent communication skills, capable of explaining complex technical matters to both technical and non-technical colleagues.
  • You understand how technology contributes to business goals and can integrate technical considerations, user needs, and business objectives into your decision-making.
  • Passion for clean code, technology, and innovative products in the Climate Tech sector.
  • Experience in IoT integration, energy management, or fleet management is a significant advantage.
  • A mix of B2B and B2C product engineering experience is a plus.
Formal Requirements:
  • Fluent in both written and spoken English. This is the language our team uses every day.
  • Basic to Intermediate German is strongly advised, as this is the language most of the company speaks and you will encounter it regularly in casual interactions (company events, hangouts, all-hands, etc..).
  • A valid EU work visa is a must.
Why us?
Your Tech Stack. Our Impact.
With us, you are right in the middle of the heating transition, using your technical expertise to help create real impact. Work hand-in-hand with passionate colleagues from trades, tech, and business. We rely on open communication and flat hierarchies to achieve our goal: climate-friendly heating for everyone.

Your Career. Our Growth.
We give you the tools, the freedom, and the responsibility to grow with us. Experience the dynamics of a tech startup and build a career in a market that is changing the world. You will be the driving force that turns ideas from the initial concept to tangible solutions through final implementation.

Genuine Depth. No Buzzwords.
We rely on profound technical and business expertise. You will work in a highly qualified and motivated team that is passionately searching for the best solutions.

Our Flexibility. Your Choice.
You decide where you work: 100% remote or in our modern office in Cologne. We ensure you feel comfortable everywhere and are always part of the team. Regular virtual events and in-person meetings in Cologne strengthen our team spirit and cohesion.
Apply for this job
About us
We are a young heat pump technology company from Cologne. With a great mix of young and old and a modern, open team culture, we make craftsmanship sexy and rely on the best and most ambitious talents! While others continue to ride the dead horses of gas and oil heating, or dream of hydrogen and district heating, we focus 100% on heat pump technology.

Our goal is to make green heating feasible & affordable for everyone. We offer our customers an all-round carefree package for their heating system change, from the application for funding to installation and subsequent support during operation. Best of all, our subscription model eliminates the purchase costs and risks of buying!

All Vamo heat pumps are digitally networked in real time. This allows us to respond to malfunctions before they occur. And: we can remotely control the systems so that our customers have minimal electricity costs. The intelligent interaction of all heat pumps in our fleet also helps to keep our electricity grid stable.

Together with you, we want to digitalize the trade and make it more attractive for young people and thus help the heat and energy transition in Germany to achieve a breakthrough.

Heat your home, not the planet!
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