Senior MTS Software Engineer

CleraZürichJob.bopublished 10/03/2026
Must-have:TypeScriptPythonReactAWSFrontendBackend

ABOUT THE ROLE

Join an engineering team building applications that help researchers and domain experts create, review, and analyze research data. Your work will support research workflows through user-facing tools and backend services.

WHAT YOU'LL DO

  • Build interfaces for writing tasks, reviewing files and video, inspecting agent actions, and comparing experimental results.
  • Develop APIs and PostgreSQL data models for tasks, reviews, files, and experiments.
  • Connect applications to data pipelines and file storage, with input validation, permission controls, and clear error handling.
  • Work with researchers to improve workflows, investigate bugs, and maintain performance as datasets grow.

WHAT WE'RE LOOKING FOR

  • At least 3 years of experience building and maintaining applications used by others.
  • Strong skills in TypeScript and React, or Python with a backend framework such as FastAPI, and willingness to work across the stack.
  • Experience designing APIs and working with SQL and relational databases such as PostgreSQL.
  • A practical approach to testing, debugging, and incorporating user feedback.
  • Experience with annotation tools, research software, or large-dataset exploration is a plus.
  • Familiarity with AWS, S3, background jobs, or frontend testing frameworks such as Playwright is valuable.

COMPENSATION & BENEFITS

Competitive compensation, equity, health, dental, and vision coverage, visa sponsorship, and relocation support.

LOCATION

On-site in Zürich, Switzerland.