Trading Infrastructure Engineer

• 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

• 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

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.

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!

Wir haben eine klare Mission: Wir bauen Europas führende Plattform für Energiemanagement, um faire und saubere Energie für alle zugänglich zu machen.

Unser Team ist vielfältig - wir sind über 50 Personen aus mehr als 16 Nationalitäten, mit einem Frauenanteil von 46 %. Und wir wachsen weiter! Mit über 40 Mio. € an Finanzierung suchen wir nach motivierten Menschen, die gemeinsam mit uns die Energiezukunft gestalten wollen., 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., 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.