Senior Backend Engineer / Senior Backend Engineeress

Scalera AG - February 19, 2026

Company Overview

RA Scale AG is an innovative spin-off from ETH Zurich, specializing in the development of an AI-powered SaaS platform designed to automate tenders and supplier selection within the construction industry. Based in Zurich, our dynamic team of around 20 professionals is currently expanding its scope into Germany and Austria.

Key Responsibilities

  • Design and implement scalable backend services for our AI-powered SaaS platform.
  • Develop microservices and APIs using Go, Python, or TypeScript.
  • Architect and operate distributed systems on cloud infrastructure (GCP).
  • Optimize the performance, scalability, and reliability of our systems.
  • Integrate data sources and develop interfaces for internal AI models.
  • Collaborate with front-end developers and DevOps teams on system design and deployment.
  • Ensure code quality, testing, and thorough documentation.
  • Contribute to the long-term backend architecture and technical roadmap.

Qualifications

  • Several years of professional experience as a backend or software engineer in a cloud environment.
  • Strong proficiency in at least one of the following programming languages: Python, C#, or Java.
  • Experience with microservices, event-driven architectures, and API design.
  • Proficient in database management (PostgreSQL, DynamoDB, Redis, or similar).
  • Familiar with cloud technologies (GCP) and CI/CD pipelines.
  • Understanding of system architecture, scaling strategies, and observability.
  • High quality standards, a structured approach to work, and a passion for complex systems.
  • Fluent in English (working language); proficiency in German is a plus.

Employment Terms

  • Permanent full-time position (100%).
  • Work location: Zurich (Sihlcity).
  • Start date: To be agreed upon.
  • Enjoy a modern working environment with a high degree of personal responsibility and flexible working hours.

Apply online using the form below. Please note that only applications matching the job profile will be considered.

Location : Zürich
Country : Switzerland

Application Form

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