> Markdown version of [/jobs/ext/3982428-junior-backend-engineer-platform-api-data](https://www.wearedevelopers.com/jobs/ext/3982428-junior-backend-engineer-platform-api-data). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Junior Backend Engineer Platform (API & Data)

- **Company:** suena
- **Location:** Hamburg, Germany
- **Experience:** Starter
- **Salary:** €55,000.0 - €60,000.0
- **Contract:** Contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Code Review, Databases, Continuous Integration, Django Web Framework, Python (Programming Language), PostgreSQL, Pair Programming, Software Engineering, Software Systems, SQL Databases, Backend, Fastapi, Event Driven Architecture, Data Analytics, Api Design, Software Coding, Data Pipelines, Docker, Legacy Systems
- **Published:** October 28, 2026
- **Apply:** https://www.adzuna.de/details/5944469842

## About the Role

* Who thrives here: Junior backend engineers eager to learn, contribute, and develop skills in both API and data/backend engineering
 * Must-haves: 1-3 years backend experience, solid Python skills, first experience with SQL databases, keen interest in APIs & data, willingness to learn new tools, collaborative mindset
 * Dealbreakers: No backend coding experience, no interest in both APIs and data, desire to work fully solo, * 1-3 years' experience in backend development (Python, ideally with Django and/or FastAPI)
 * Hands-on experience with SQL databases (e.g. PostgreSQL) and an interest in data-driven products
 * Eager to learn API design, event-driven systems, and cloud tools (AWS, Docker, CI/CD etc.)
 * Collaborative, proactive, and open to feedback: you are ready to work in a team and learn from others
 * Good communication skills in English (C1); ideally you have worked in international or cross-functional teams
 * Note: We use AI in our daily workflow, but we evaluate candidates on their unassisted coding skills, structured problem-solving, and software design fundamentals.

## Description

Are you passionate about intelligent and effective software solutions to facilitate the renewable energy transition? Join us at suena energy as a Junior Backend Engineer (f/m/x) and become an essential part of our new platform team!, * Work closely with Senior Engineers to help design, build, and optimize backend features and APIs

 * Support the development and maintenance of databases, data pipelines, and real-time integrations
 * Participate in automating workflows and improving reliability, scalability, and security across the platform
 * Collaborate with data science, modelling, and product teams to deliver features for energy trading and analytics
 * Contribute ideas and improvements-whether for new greenfield projects or for optimizing legacy systems
 * Grow your skills through code reviews, pair programming, and regular feedback in a supportive team environment, * People at the Core: Clear structures, democratic decisions, and a feedback culture where your voice counts.
 * Shape the Future: Contribute to the energy transition by working on sustainable energy solutions in a growing market environment.
 * Connecting & Co-Creating: Strategy off-sites and onsite weeks for real collaboration and shared ideas.
 * Work Your Way: Home office and flexible hours - you know what works best for you and your team.
 * Good Vibes: Yoga, shared lunches, after-work fun - we keep the energy up, even when it's busy.
 * Body & Mind: Urban Sports Club membership, wellbeing check-ins, and mental health support - your energy matters.
 * New Office: 10th-floor office with rooftop terrace, canteen, great views, ergonomic desks, hardware of your choice, and a pet-friendly environment.
 * Sustainable Extras: Deutschlandticket, FutureBens, and more - supporting your mobility and future.