Senior Backend Engineer / Senior Backend Engineeress

Scalera AG - April 4, 2026

Company Overview

RA Scale AG is an ETH Zurich spin-off dedicated to developing an AI-powered SaaS platform that automates tenders and supplier selection in the construction industry. Based in Zurich, our growing team of around 20 professionals is currently expanding into Germany and Austria.

Job 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 reliability of systems.
  • Integrate data sources and develop interfaces for internal AI models.
  • Collaborate with front-end and DevOps teams on system design and deployment.
  • Ensure code quality through rigorous testing and documentation.
  • Contribute to the long-term backend architecture and technical roadmap.

Requirements

  • 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.
  • Comfortable working with databases such as PostgreSQL, DynamoDB, Redis, or similar.
  • Familiarity with cloud technologies (GCP) and CI/CD pipelines.
  • Strong understanding of system architecture, scaling strategies, and observability.
  • High quality standards, a structured approach to work, and an appreciation for complex systems.
  • Excellent English skills are required; proficiency in German is a plus.

Terms of Employment

  • Permanent full-time position (100%).
  • 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.

Application Process

Interested candidates are encouraged to apply online using the form below. Please note that only applications matching the job profile will be considered.

Location : Zürich
Country : Switzerland

Application Form

Please enter your information in the following form and attach your resume (CV)

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