Senior Backend Engineer / Senior Backend Engineeress

Scalera AG - February 24, 2026

Company Overview

RA Scale AG is an ETH Zurich spin-off dedicated to developing an AI-powered SaaS platform designed for automating tenders and supplier selection within the construction industry. Based in Zurich, our dynamic team of around 20 professionals is currently expanding 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 performance, scalability, and system reliability.
  • Integrate data sources and develop interfaces for internal AI models.
  • Collaborate with front-end and DevOps teams on system design and deployment.
  • Ensure high code quality through testing and 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.
  • Proficient in at least one of the following languages: Python, C#, or Java.
  • Experience with microservices, event-driven architectures, and API design.
  • Strong ability to handle databases such as PostgreSQL, DynamoDB, Redis, or equivalent.
  • Familiarity with cloud technologies (GCP) and CI/CD pipelines.
  • Understanding of system architecture, scaling strategies, and observability.
  • Commitment to high quality standards, a structured approach to work, and a passion for complex systems.
  • Fluent in English (working language); knowledge of German is a plus.

Employment Terms

  • Permanent full-time position (100%).
  • Location: Zurich (Sihlcity).
  • Start date: by agreement.
  • Enjoy a modern working environment with a high degree of personal responsibility and flexible working hours.

Apply online using the form below. Only applications matching the job profile will be considered.

Location : Zürich
Country : Switzerland

Application Form

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