🌐 We are on the mission to build Europe’s leading energy management platform to provide fair, clean energy to everyone. ⚡

We’re a diverse team of 50+ employees, with 46% being female and from 16+ nationalities, and steadily growing. Having raised of over €40 M in total, we are looking for passionate people to join us on our mission! 🚀

🇩🇪 We have a clear mission: we are building Europe's leading energy management platform to make fair and clean energy accessible to everyone. ⚡

Our team is diverse – we are over 50 people from more than 16 nationalities, with 46% women. And we continue to grow!
With over €40 million in funding, we are looking for motivated people to shape the energy future with us. 🚀

Your mission

• We are looking for a motivated Trading Infrastructure Engineer (m/f/d) to support us in the green revolution of the electricity market as a digital and smart electricity provider.

• As a key member of our Trading team, you will take full ownership of the infrastructure that powers our trading platform.

Your tasks

• Provide and maintain compute infrastructure, CI/CD pipelines, logging, and monitoring for our trading systems, and manage associated cloud costs

• Own system architecture for our trading platform, ensuring scalability, reliability, and low-latency performance

• Manage exchange connectivity and provide engineering support across our trading infrastructure

• Drive how we build with AI: roll out coding agents, set shared agent rules and guardrails, and keep MCP integrations and context docs consistent across repos

Your profile

• Degree in Computer Science or similar and 4+ years of experience in trading infrastructure engineering or a related field

• Proven ability to write production-grade code (Python or similar), following best engineering practices (Git, automated testing, CI/CD, code reviews)

• Hands-on experience managing AWS infrastructure, including operating compute (e.g. ECS, Lambda), data and messaging services (e.g. Firehose, SQS, Postgres, DynamoDB, S3), and monitoring (CloudWatch)

• Experience with containerization (e.g. Docker) and observability tools (logging, metrics, alerting)

• Experience with MLOps and ML infrastructure, e.g. model training, deployment, scheduling, data processing and monitoring in cloud environments

• Strong understanding of system architecture design for high-availability, low-latency systems

• Familiarity with AI coding tools and AI-assisted workflows

• Excellent communication skills in English (B2–C1)

Nice to have

• Experience with exchange connectivity (e.g. EPEX / EEX or ISVs)

• Experience with Ray and Airflow

• Experience with Terraform

• Understanding of European energy markets

• German language skills

• Previous start-up experience

🌐 About Us

We’re Germany’s fastest-growing digital green energy provider and a Certified B Corp™, driving the energy transition by making renewable energy more accessible and inclusive.

How? Through variable tariffs, dynamic pricing, smart EV charging, heat pump and solar optimization, and Germany’s first virtual power plant: NeoGrid™.

At Ostrom, you’ll work in a dynamic, open environment where you can be yourself, take on challenges, and grow both personally and professionally.

🌱Environmental Impact: Each customer who switches to Ostrom on average helps offset 1.5 tons of CO2 emissions per year compared to the average German energy mix.

📈 VSOP: On top of offering a competitive salary you will have access to company shares to ensure you can truly be part of the journey.

👭 Trust-based Team: A truly flat hierarchy and transparent company culture, where everyone’s voice matters.

💪🏽Benefits: An annual learning budget, company-pension scheme, company events, discounted USC membership, discounted BVG public transport ticket, e-bike or e-moped, exclusive discounts via FutureBens or monthly vouchers - the choice is yours.

💬 Stay In The Loop: We believe in transparent communication — from weekly town halls and quarterly updates to regular retrospectives. Got feedback or an idea? We’re all ears.

🤝 Work Together, Celebrate Together: We thrive on collaboration. Wins are shared and so are the celebrations from monthly happy hours to team trips and company events.

🌍 Work Your Way: Whether you prefer the office, your home desk, or a sunny spot in Sardinia — you work where you work best.

🚀 Learn By Doing: We grow together with personal development paths, learning budgets, and regular knowledge-sharing sessions. Try things out, learn along the way, and keep moving forward.

🇩🇪 About Us

We are Germany's fastest-growing digital green energy provider and a B Corp™ certified company – and we are actively driving the energy transition. Our goal: to make renewable energy accessible and inclusive for everyone.

How? With variable tariffs, dynamic electricity pricing, Smart EV Charging, optimization of heat pumps and solar systems, and Germany's first virtual power plant: NeoGrid™.

At Ostrom, you will work in an open, dynamic environment where you can be yourself, accept challenges, and continuously develop.

🌱 Sustainability that counts: By switching to Ostrom, you actively support the energy transition. On average, our customers help save 1.5 tons of CO2 per year compared to the German average electricity mix.

📈 Appreciation that pays off: In addition to an attractive salary, you will receive VSOPs with us – company shares that give you a direct stake in Ostrom's success.

👭 Team culture at eye level: At Ostrom, we live flat hierarchies and an open feedback culture. Your opinion matters – from day one.

💪🏽 Benefits: You will receive a flexible package with many extras – from an annual further training budget, a company pension scheme, to a subsidized USC membership, a subsidized BVG job ticket, or your own e-bike or e-scooter, and discount codes via FutureBens. Alternatively, you can choose monthly vouchers – you decide what is important to you.

💬 Transparency: Whether in weekly town halls, quarterly updates, or open retrospectives – we believe in clear communication and continuous exchange.

🤝 We celebrate successes together: Teamwork is at the heart of everything we do – and we celebrate our successes just as much: with regular happy hours, team outings, and unforgettable company events.

🌍 Work your way: Whether in the Berlin office, at home, or remotely under the sun – you work where you are most productive.

🚀 Grow with us: Personal development is not a cliché at Ostrom. We support you with learning budgets and space to try things out – so that you can continuously develop professionally and personally.