(Senior) Software Engineer (Backend) – B2B Squad (m/f/d)

You are interested in the position as (Senior) Software Engineer (Backend) – B2B Squad (m/f/d) at Rabot Energy DE GmbH?
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Please note that this position requires work authorization for Germany.
The language requirements for this position are: English - Fluent (C1), German - Fluent (C1).
The estimated salary range from XING does not necessarily correspond to the salary range of this job offer.

We are looking for a Senior Software Engineer to architect and build the backend systems for our innovative B2B electricity products. This is a unique opportunity to shape a largely untapped market and directly impact how businesses manage their energy consumption, turning a fixed cost into a controllable lever. You will be a key player in driving our growth and defining the future of energy management.

Activities

You will build the backend systems and APIs behind RABOT's new electricity products for business customers, including dynamic commercial tariffs, transparent price and consumption data, billing and settlement logic, and interfaces for companies to integrate our products into their operations. You will work closely with product and our optimization team to transform raw market and consumption data into desirable products.

Requirements

Must-Have Qualifications:

• Strong in C# and .NET Core.
• Solid understanding of MongoDB, Docker, Kubernetes, and cloud environments (GCP/Azure).
• Comfortable with CI/CD pipelines, TDD, and agile development principles.
• AI coding tools like Claude or Cursor are part of your natural workflow.
• Fluent in English.
• Based in or willing to relocate to Berlin or Hamburg.

Bonus:

• Experience in the energy sector, with billing/settlement or pricing systems, event-driven architecture, or building B2B/API products.

Team

You will join our B2B Squad. This Squad has been formed in February and is already showing very impressive success. All roles in this Squad work AI-first.

Application Process

1. 15-min screening call with HR or the CTO
2. 30-min get to know call with CTO
3. 60-min technical call with a peer
4. Get to know the team in the office on-site
5. Optional 15-min call with CEO office

About the Company

Rabot Energy ist ein unabhängiger Anbieter dynamischer Stromtarife mit 100% Ökostrom. Mit unseren innovativen Einkaufsstrategien gewährleisten wir sowohl ökologische Nachhaltigkeit als auch Kostenoptimierung im Home Energy Management. Durch die Weitergabe der Börseneinkaufspreise an unsere Kunden können wir deren Stromrechnung im Schnitt um 35 % reduzieren. Besitzer von Elektrofahrzeugen und Smart Metern können besonders von unserem dynamischen Stromtarif profitieren, da sie ihre Fahrzeuge zu Hause automatisch dann laden können, wenn die Börsenstrompreise besonders günstig sind. In unserer Rabot Energy App lassen sich die Ladepräferenzen einfach festlegen sowie die Börsenstrompreise aktuell verfolgen. Mit unseren intelligenten Ladelösungen tragen wir aktiv dazu bei, den Anteil von Ökostrom am Gesamtstromverbrauch in Deutschland zu erhöhen.

Unsere Vision ist es, jedem Kunden die Möglichkeit zu geben, den eigenen Energieverbrauch smart zu steuern und dabei Umwelt und Ressourcen zu schonen. Mit dem Angebot eines smarten Lade- und Energiemanagements trägt Rabot Energy dazu bei, die Energiewende aktiv voranzutreiben. Mit unserer Idee konnten wir bereits über 150.000 Kunden überzeugen.