Full-Stack Engineer (Backend Focus) (m/f/d) in Muenchen, Deutschland

About Aampere

Join Aampere , a seed-stage, VC-backed startup redefining the European market for used electric vehicles . Since our launch, we’ve enabled EV owners to sell their cars quickly and seamlessly within 48 hours, while giving dealers across Europe access to previously untapped customer segments.

Our team comes from the German startup ecosystem, with experience at Autarc, Greenforce, Cardino, Wemolo, Remberg, Alasco, Porsche, Mercedes, and KPMG.

Your Mission

You’ll take ownership of the backend behind Aampere’s platform, right where we need it most. You build and maintain the services, APIs and data models our product runs on, connect third-party systems and keep async workflows like background jobs, retries and scheduled syncs running reliably. When a feature needs it, you ship the frontend part too, so it goes live end to end. That’s how you make our backend the solid foundation for Europe’s used EV market.

To get there, you shape how our systems are structured and scale, ship to production on AWS and fix problems at the root instead of patching symptoms. You use AI tools like Cursor and Claude Code as a real lever for speed and quality and connect technical decisions to outcomes like conversion, speed and automation. With clean architecture and reliable processes, you lay the groundwork for our platform and team to grow.

What you bring

• 5+ years building production systems with a clear backend focus, strong in TypeScript, https://jobeax.com/link/wGBLasCtsmGJlvEi, MikroORM, PostgreSQL and Docker.
• You’ve owned APIs, data models and third-party integrations, from schema design and efficient queries to clean interfaces that scale.
• You’ve built reliable async workflows with BullMQ/Redis and AWS SQS: background jobs, retries, scheduled syncs and idempotent consumers.
• You ship features end to end, including frontend work with https://jobeax.com/link/Z30sZYC3jcRenVso, React and Tailwind, and have experience running them on AWS with GitLab CI/CD.
• You take ownership without waiting to be told and connect technical decisions to business outcomes like conversion, speed and automation.
• You work AI-native with tools like Cursor and Claude Code and communicate clearly in English. German is a plus.

Why Aampere?

• Start-up environment :  Make a difference every day and electrify the world together with us.
• Real ownership: You're engineer #5. What you build ships to real users fast.
• Urban Sports Club & job-ticket: Healthy team, happy team.
• Tech: Apple or Windows, we provide your laptop. You choose what you work best with.
• Late dinner at the office: If you’re working past 8 pm, we’ll cover your dinner via Uber Eats.
• Offsite: So far we've been to Lake Maggiore, the Alps and Tegernsee, what's next?
• Living in the Werksviertel: In the adjacent co-living space, you have the option to rent a private room independently - right next to the Aampere office and with a view of the Ferris wheel.

Aampere isn't for you if...

• …  you want to work mostly remotely . We believe the best ideas happen when people are in the same room. That’s why you’ll be with us in the office at least four days a week.
• ...  you want to walk into ready-made processes and structures. A lot of that does not exist here yet. We are looking for people who build structures and processes, not people who administer them.
• … you need a finished plan before you start.  Seed stage means a lot is unclear and changes week to week. You have to be comfortable making decisions in the dark and correcting course as you go.
• … you want to stay in your lane . “That is not my job” is not a thing here. You jump in where it matters, even when it sits outside your job description.
• … you want a classic 9-to-5.  We are building  something big, and that does not happen on the side. The people here want to go all in, not just put in the time. 

A few words at the end

Apply now! We look forward to receiving your informal application - we will discuss everything else together. Regardless of your background, origin or gender identity - what matters to us is who you are as a person. We promote a culture of respect and cooperation in which every voice is heard, personal development is possible and appreciation is paramount.

About us

Aampere is an impact-driven start-up in the market of E-Mobility. With our trading plattform for used electric vehicles (EV), we aim to electrify Europe. Sellers receive Europe's best price within 48h in a fully-digital process. Buyers get access to electric cars across Europe with full convenience.