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Hybrid (partially remote)Entry Level

Junior Backend Engineer (m/f/x) Platform (API & Data)

Suena · Hamburg, Germany
English
EUR 55000 – 60000 / year
Posted 2 hours ago
Hamburg, Germany
40 hrs / week

About us

Suena Energy is active in algorithmic energy trading for energy storage systems and renewables. Our vision is to create a world where clean energy is used reliably, economically, and intelligently. We maximize the revenues of large-scale energy storage and renewable assets on European short-term power markets while minimizing risk. With a team of over 50 people, we are committed to accelerating the energy transition and fostering a supportive work culture.

Job description

As a junior backend engineer (f/m/x), you will join our new platform team at Suena Energy, working closely with experienced engineers on APIs and data-driven backend systems. This role offers you the opportunity to gain hands-on experience in database design and real-time integrations for next-generation energy trading, while contributing to a sustainable tech environment.

  • 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 for new greenfield projects or optimizing legacy systems
  • Grow your skills through code reviews, pair programming, and regular feedback in a supportive team environment

Relevant work experience

  • 1–3 Years’ Experience in Backend Development (Python, Ideally with Django or FastAPI)
  • Hands-on Experience with SQL Databases (e.g., PostgreSQL)
  • Eager to Learn API Design, Event-Driven Systems, and Cloud Tools (AWS, Docker, CI/CD, etc.)
  • Collaborative, Proactive, and Open to Feedback—Ready to Work in a Team and Learn from Others
  • Good Communication Skills in English (B2)

Benefits

Thirty days of vacation

Skills required for the job

PythonDjangoFastAPIPostgreSQLSQLAPIsData-drivenCollaborationCloud toolsCI/CDDockerCommunication