(Senior) Software Engineer (Backend) - B2B Squad

Instaffo GmbH
Hamburg, Germany
3 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English, German
Experience level
Senior
Compensation
€ 75K

Job location

Hamburg, Germany

Tech stack

Agile Methodologies
Azure
Cursor (Graphical User Interface Elements)
MongoDB
Cloud Platform System
Backend
Event Driven Architecture
Kubernetes
Api Management
Docker

Requirements

Please note that this position requires work authorization for Germany. The language requirements for this position are: English - Fluent, German - Fluent. 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., 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.

About the company

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., 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., Instaffo GmbH

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