Lead Data Platform Engineer

About the role

LIGENTEC, a team of experts in integrated optics, is looking for a Lead Data Platform Engineer in Lausanne. You will drive the architecture, development and scaling of the company's enterprise data platform and champion software engineering excellence. The role bridges data engineering, full-stack application design and automated DevOps, owning the data infrastructure that connects operational, foundry and quality analytics.

Key responsibilities

• Architect, build and optimise scalable ETL/ELT pipelines and the central data lakehouse, integrating operational, fab and product quality datasets.
• Design, build and maintain secure full-stack internal data applications and REST APIs with Python and FastAPI.
• Oversee application deployment with Docker Swarm, tune PostgreSQL servers and own company-wide GitLab CI/CD pipelines and security configurations.
• Define the roadmap for enterprise data and automation, set data contracts with external partners and coordinate infrastructure scaling with IT.
• Elevate developer velocity by setting coding guidelines, managing the developer handbook and standardising project templates.
• Deploy and scale dashboards, process automation and developer tooling, including AI-assisted coding workflows and internal AI documentation systems.

Required profile

• Solid background at Senior or Lead level, with proven ownership of complete data platform architectures and end-to-end data pipelines in production.
• Proven ability to lead technical roadmaps, mentor engineers, drive software quality standards and work with cross-functional teams and external partners.

Required skills

• Advanced Python and ETL/ELT orchestrators such as Airflow, Dagster or Prefect.
• Analytical databases such as PostgreSQL and DuckDB.
• FastAPI for backend services and APIs; full-stack or front-end experience for data tools is a strong plus.
• Docker, Docker Swarm, PostgreSQL administration and GitLab CI/CD.
• Experience with AI agentic coding tools, LLM-based documentation servers and modern dashboarding platforms.

What we offer

• 100% work share based in Lausanne, with up to two days per week home office.
• Start date as soon as possible; English is the working language, other languages are a plus.
• A role at the heart of the deep-tech revolution within an international team of specialists.