Startup Atlas
Open positions
Staff Data Engineer (Entity Resolution & Identity)
Staff data engineer at Zeno, a Rotterdam-based legal AI startup, building and owning entity resolution and identity systems over unstructured legal data — matching, merging, versioning, and provenance for legal entities across jurisdictions, using Python and graph-based data engineering.
Backend Software Engineer – Data Integration & Performance
Backend engineer at Vesper, an Amsterdam-based B2B SaaS platform, focused on data integration, data quality, and performance optimization. Day-to-day work involves designing and shipping backend features using PHP (Laravel), MySQL, Git, and CI/CD from a collaborative Amsterdam office.
Frontend Data Viz Engineer (React/TS/Next.js) - Amsterdam
Frontend engineer at Polars building the UI for Polars Cloud, a distributed compute platform — designing complex data visualizations with React, TypeScript, and Next.js, optimizing performance, and helping grow the frontend architecture. Regular presence in the Amsterdam office is expected twice a week.
Founding AI & Data Engineer (Equity Included)
Founding AI & Data Engineer at Avery, a hiring-intelligence startup backed by Builders Studio: design scalable ETL pipelines, experiments, and predictive models over millions of candidate profiles, shaping data strategy as the team grows from Rotterdam to Amsterdam. Equity offered.
Infra/Backend Engineer
A (senior) infra/backend engineer owns backend infrastructure and development at Ditto, a healthcare app that helps people understand their care journeys — designing and building secure, practical systems and handling devops, deployment, and monitoring, with AI coding tools like Claude Code, Cursor, and Copilot as part of the daily workflow.
Backend Software Engineer – Data Integration & Performance
Backend engineer at Vesper, an Amsterdam-based B2B SaaS platform, designing and shipping backend features focused on data integration, data quality, and performance optimization. Daily work centers on PHP (Laravel), MySQL, Git, and CI/CD within an international, on-site team.
Staff Data Engineer (Entity Resolution & Identity)
Staff-level data engineer at Zeno, a legal AI startup in Rotterdam, building core entity resolution and identity systems — matching, merging, and versioning legal entities across large volumes of unstructured legal data. Core tech focus: Python, record linkage, identity graphs, and explainable, reversible merge logic.