Junior Backend Engineer Platform

📋 Job Overview

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!

🏢 About suena energy

suena energy is a green tech startup specializing in algorithmic energy trading for energy storage systems and renewables. Our vision: a world where clean energy is used reliably, economically, and intelligently. Our algorithmic trading software maximizes the revenues of large-scale energy storage and renewable assets on European short-term power markets—while minimizing risk. We're a 60+ person team that's fast-paced by nature, but the kind of place where people actually look out for each other. Following our successful Series A, we're investing in expanding our team – and we're excited to strengthen our team with new talent and continue growing together!

🎯 The Role

You’ll work side-by-side with experienced engineers on both APIs and data-driven backend systems, gaining hands-on experience in everything from database design to real-time integrations for next-generation energy trading. This is your chance to learn, grow, and have a real impact in a friendly, ambitious, and sustainable tech environment.

✅ Key Responsibilities

• Support API and data projects
• Build and improve backend features
• Help connect real-time data and analytics
• Automate tasks
• Contribute to both greenfield and legacy improvements

📌 Required Qualifications

• 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

⭐ Desirable Experience

• Experience with Python frameworks like Django or FastAPI
• Experience with PostgreSQL or TimescaleDB
• Experience with Redis, Celery, Docker, AWS, GitLab CI/CD, Sentry, Grafana

🎁 Benefits

• Hybrid work model (2–3 days/week onsite)
• 30 Days Vacation
• English B2
• Salary range: €55.000 - 60.000 p.a.

🛂 Visa & Eligibility

Visa sponsorship may be available. Please inquire during the application process.