Location: Zürich, Zürich, Switzerland (Remote)
Posted: September 14, 2026
Salary: EUR 120–180 (period not specified)
### About Scalera
Scalera is an ETH Zurich spin-off building AI-powered procurement software for the European construction industry. Its platform automates supplier selection, tender management, and bid evaluation, serving 110 customers across Switzerland, Austria, and Germany.
### Role
As a Senior Backend Engineer (Python), you will build and maintain backend services and APIs powering Scalera’s AI-driven procurement platform. You’ll work closely with the CTO and VP Engineering on AI production workflows, complex datasets, integrations, and platform reliability.
### Responsibilities
- Own backend problems end-to-end, from understanding user needs to delivering solutions.
- Build and maintain Python backend services supporting AI capabilities such as document parsing, supplier matching, and bid scoring.
- Design and implement RESTful APIs and integrations with frontend applications and external platforms.
- Develop data pipelines to ingest, normalize, and process structured and unstructured construction data.
- Participate in code reviews, testing, and CI/CD practices.
- Explore and contribute ideas for applying new AI techniques to procurement challenges.
- Work effectively in ambiguous environments by scoping, prioritizing, and delivering solutions.
### Required Qualifications
- 4 years of backend engineering experience.
- Python as a primary programming language.
- Strong API design and RESTful systems experience.
- Production experience with FastAPI or Django.
- Solid knowledge of databases, data modeling, and query optimization.
- Experience with CI/CD and strong focus on code quality and maintainability.
- Interest in AI/ML systems and their behavior in production.
- Strong communication and teamwork skills.
- Ability to work independently and make progress without perfect clarity.
### Preferred Qualifications
- Experience with GCP, including Cloud Run, BigQuery, Pub/Sub, or similar services.
- Experience with data-heavy or AI-integrated product architectures.
- Familiarity with AI developer tools such as Cursor, Claude, or Copilot.
- B2B SaaS, construction technology, or procurement domain experience.
- German language skills.
### Work Arrangement & Benefits
- Zürich headquarters.
- Four days in-office with Fridays remote.
- Small, collaborative team with minimal bureaucracy.
- Direct collaboration with decision-makers.
- Competitive salary and equity.
### Employment Details
- Employment type: Not specified.
- Working hours: Not specified.
- Salary period: Not specified.
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