Senior Software Engineer (Backend) - App Connectivity

Permanent employee, Full-time · Hamburg

Why us?

RABOT Energy is on a mission to make energy smarter, greener, and more customer-focused. As part of our journey, we’re expanding our App Connectivity team — the group responsible for making sure RABOT’s platform can talk seamlessly to heat pumps, wallboxes, smart meters, and other connected devices.

We’re looking for a Senior Backend Engineer (C#) to help us build and scale the APIs and infrastructure that enable smart energy management. If you're passionate about high-impact, platform-level engineering and want to work at the intersection of software and connected hardware — we want to hear from you!

Your Impact

Help develop the APIs and backend logic that connect RABOT’s app to a growing ecosystem of hardware partners (EV chargers, heating systems, smart meters, and more).
Own key parts of our backend systems that ensure reliable, real-time communication between users and their energy devices.
Work closely with product managers and mobile developers ensure smooth feature rollouts and high system reliability.
Develop robust, secure, and scalable microservices to manage the increasing complexity of our device network.
Write clean, well-tested code and help establish engineering best practices across the team.
Participate in the full development cycle — from architecture and implementation to deployment and monitoring.
Take ownership of the reliability and performance of your services and continuously look for ways to improve.
Working in a fast-paced setting where priorities can shift quickly.

What can you bring

Tech Stack Experience: Strong experience with C#, .NET Core, and PostgreSQL. Familiarity with Docker, Kubernetes, and GCP or similar cloud platforms.
Connectivity Mindset: Experience building APIs, device integrations, or working in domains where system communication and uptime are critical.
Best Practices Utilization: Familiar with test-driven development (TDD), CI/CD pipelines, and containerized deployments.
Agile Engineering: Experience working in agile, cross-functional teams — and comfort with iterative development and fast feedback loops.
Customer-Centric Thinking: You understand that good engineering starts with solving real problems for real people.
Location: Be based in or willing to relocate to Hamburg.

Lacking experience in some of the areas mentioned? No need for concern – we are committed to providing you with the necessary support for learning, training, and on-the-job coaching

Our Benefits

Enjoy flexible working hours and the freedom to work remotely, offering you a work-life balance that suits your lifestyle, even from the comfort of your home
We're committed to your growth. Benefit from comprehensive training, regular team meetings, and open, transparent communication to keep you informed and engaged
Maintain your physical well-being with an Urban Sports Club membership that offers you a world of fitness opportunities
Emmerse yourself in a vibrant startup atmosphere, where a spirited team, exciting team events, and our 'Employees Recruit Employees' program await you – your path to rewarding success
Celebrate the holidays with peace of mind, as you'll always have Christmas Eve and New Year's Eve off to make cherished memories
Workation: Enjoy two weeks of workation per year and work from anywhere in the EU.

For all our positions, we are open to providing flexible work arrangements to accommodate the unique needs of each individual.

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About us

RABOT Energy is an independent supplier of 100 % renewable energy, offering dynamic electricity tariffs to private and business customers. By passing on exchange buying prices to our customers, we can save them up to 35 % on their electricity bills. Electric vehicle owners particularly benefit from our dynamic electricity tariff, as we have developed a smart system that signals the car when to automatically charge during periods of low electricity prices. And this is just the beginning!

Our mission is to empower every consumer to efficiently manage their energy consumption costs while safeguarding the environment and natural resources. Through our provision of 100% renewable energy and comprehensive smart charging and energy management solutions for homes, RABOT Energy actively contributes to increasing the real green power share in Germany's electricity consumption, thus driving the energy transition forward.

"Be part of something unique, the first of its kind in Germany. Join us at RABOT Energy and seize abundant growth opportunities in the thriving world of green energy. We're a team that believes in the power of our mission, and we're looking for individuals with the passion to match ours!”
Jan Rabe, CEO

At RABOT Energy, we cherish cognitive diversity as a cornerstone of our global culture and a driving force behind our mission to craft truly representative and impactful products for a sustainable future. We wholeheartedly embrace diversity in all its dimensions and recognize that each person contributes to our shared endeavour of assisting individuals in transitioning to green energy.

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Your application!

Thank you for your interest in RABOT Energy. Please fill out the following form. If you have any difficulties uploading the data, please contact us by email at jobs@rabot-charge.de.