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Salary
≈ $47k – $108k per year (Estimated)
Location
Hybrid (Berlin, Germany)
Seniority
Middle · 4+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Nov 11, 2026. First seen by Alion on Sep 24, 2026.

Overview
Company
Impact
Profile match
Ostrom is a Berlin energy company founded in 2020 that sells digital-first electricity contracts. Its app offers monthly cancellable green tariffs and dynamic pricing linked to the wholesale market, which suits electric vehicle and heat pump owners. The company built its own billing and customer platform rather than using utility legacy systems.

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.

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.

Über Uns

Wir sind der am schnellsten wachsende digitale Ökostromanbieter mit B Corp™ Zertifizierung in Deutschland - und treiben die Energiewende aktiv voran. Unser Ziel: Erneuerbare Energie für alle zugänglich und inklusiv machen.

Wie? Mit variablen Tarifen, dynamischem Strompreis, Smart EV Charging, Optimierung von Wärmepumpen und Solaranlagen sowie Deutschlands erstem virtuellen Kraftwerk: NeoGrid™.

Bei Ostrom arbeitest du in einem offenen, dynamischen Umfeld, in dem du du selbst sein kannst, Herausforderungen annimmst und dich kontinuierlich weiterentwickelst.

Nachhaltigkeit, die zählt: Mit deinem Wechsel zu Ostrom unterstützt du aktiv die Energiewende. Unsere Kund*innen helfen im Schnitt, jährlich 1,5 Tonnen CO₂ gegenüber dem deutschen Durchschnittsstrommix einzusparen.

Wertschätzung, die sich auszahlt: Neben einem attraktiven Gehalt erhältst du bei uns VSOPs - Unternehmensanteile, mit denen du direkt am Erfolg von Ostrom beteiligt bist.

Teamkultur auf Augenhöhe: Bei Ostrom leben wir flache Hierarchien und eine offene Feedbackkultur. Deine Meinung zählt - vom ersten Tag an.

Benefits: Du erhältst ein flexibles Paket mit vielen Extras - von einem jährlichen Weiterbildungsbudget, über eine betriebliche Altersvorsorge, bis hin zu einer vergünstigten USC-Mitgliedschaft, einem vergünstigten BVG Jobticket oder deinem eigenen E-Bike bzw. E-Roller und sowie Rabattcodes über FutureBens. Alternativ wählst du monatliche Gutscheine - du entscheidest, was dir wichtig ist.

Transparenz: Ob in wöchentlichen Townhalls, vierteljährlichen Updates oder offenen Retrospektiven - wir glauben an klare Kommunikation und kontinuierlichen Austausch.

Erfolge feiern wir gemeinsam: Teamarbeit steht bei uns im Mittelpunkt - und genauso feiern wir auch unsere Erfolge: mit regelmäßigen Happy Hours, Team-Ausflügen und unvergesslichen Company Events.

Work you way: Ob im Berliner Büro, im Homeoffice oder remote unter der Sonne - bei uns arbeitest du dort, wo du am produktivsten bist.

Wachse mit uns: Persönliche Entwicklung ist bei Ostrom keine Floskel. Wir unterstützen dich mit Lernbudgets und Raum zum Ausprobieren - damit du dich fachlich und persönlich kontinuierlich weiterentwickeln kannst.

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