Quant Developer

vor 2 Wochen


Berlin, Berlin, Deutschland Ostrom Vollzeit 60.000 € - 120.000 € pro Jahr

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 41% 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 41 %. 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 Quant Developer – Algorithmic Power Trading (f/m/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 Finance team, you will take full ownership of our trading platform and intraday algorithms

Your tasks

  • Enhance and expand our trading platform, including new market integrations, third-party client trading capabilities, and scalable trading infrastructure.
  • Advance our algorithmic trading models, with a focus on integrating photovoltaic (PV) generation and home battery data for smarter dispatch decisions.
  • Design and implement a robust back-testing framework to evaluate and optimize intraday trading strategies.
  • Build a comprehensive monitoring and risk management system, including automated alerts, predefined risk limits, and default action protocols.

Your profile

  • Master's degree in a quantitative field and 2+ years of experience in a quant role; a PhD is a plus
  • Strong foundation in applied mathematics and proficiency in numerical computing and optimization
  • Proven ability to write production-grade Python code, following best engineering practices (Git, automated testing, CI/CD, code reviews)
  • Expertise in asynchronous, concurrent, and parallel computing and low-latency, event-driven systems
  • Strong understanding of market microstructure and risk management for trading systems
  • Excellent communication skills in English (B2–C1)

Nice to have

  • Experience in algorithmic or intraday trading, ideally in power or energy markets
  • Background in forecasting, strategy backtesting, or machine learning for trading
  • 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.

Relocation package: We won't let distance get in the way, we offer visa and relocation support.

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 gym membership, public transport ticket, e-bike or e-moped, 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.

Relocation package: Entfernung ist für uns kein Hindernis. Wir unterstützen dich mit einem umfassenden Relocation- und Visapaket beim Umzug nach Deutschland.

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 vergünstigten Fitnessstudio-Mitgliedschaften, einem Jobticket oder deinem eigenen E-Bike bzw. E-Roller. Alternativ wählst du monatliche Gutscheine oder FutureBens – 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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