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! 🚀
🏢 About Ostrom
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. 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.
🎯 The Role
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.
✅ Key Responsibilities
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
📌 Required Qualifications
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)
⭐ Desirable Experience
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
🎁 Benefits
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.
On top of offering a competitive salary you will have access to company shares to ensure you can truly be part of the journey.
A truly flat hierarchy and transparent company culture, where everyone’s voice matters.
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 believe in transparent communication — from weekly town halls and quarterly updates to regular retrospectives. Got feedback or an idea? We’re all ears.
We thrive on collaboration. Wins are shared and so are the celebrations from monthly happy hours to team trips and company events.
Whether you prefer the office, your home desk, or a sunny spot in Sardinia — you work where you work best.
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.
