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SWE, ML

Fundamental· Research
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BarcelonaFull-timePosted 4mo ago

About the role

Fundamental is hiring a software engineer to join the Research team as the first software engineer, owning the core codebase behind model development and enabling researchers to iterate quickly from prototype to production.

Responsibilities

  • Amplify and Accelerate: enable researchers to be more efficient, including agentic workflows.
  • Steward: maintain and productionize the codebase, lead PR reviews, gate external contributions.
  • Champion Best Practices: establish software engineering best practices in ML, mentor researchers.
  • Elevate Code Maturity & Quality: transition core research codebase to scalable, maintainable standards; manage technical debt and ensure reproducibility.
  • Maintain Documentation: create and maintain documentation for research infrastructure and systems.
  • Collaborate Cross-Functionally: ensure precise interactions between research code and other code at Fundamental.
  • Guard the research–engineering contract: build and own CI, contract tests, and verification to catch changes that break interfaces; Bugs surface in PRs, not in production.

Qualifications

  • 5+ years of software engineering experience, with meaningful time on ML or data-intensive backends, training pipelines, distributed inference, feature infrastructure, or similar.
  • Strong software architecture skills including modular design, clean interfaces, and design patterns for maintainable research codebases.
  • Excellent communication skills with a proven ability to discuss complex technical ideas clearly and collaborate effectively across interdisciplinary teams.
  • Expert-level proficiency in Python and deep familiarity with PyTorch.
  • Hands-on experience with the modern ML research tech stack and cloud infrastructure (e.g., AWS, GCP, Weights & Biases, Datadog, Kubernetes, ArgoCD, GitHub Actions).
  • Demonstrated track record of developing and utilizing solutions for robustness and quality assurance within software and/or ML systems.
  • Mission-driven mindset, motivated by real-world impact and excellence in software development.

Skills

Required:PythonPyTorchML research tech stackSoftware architecture

Benefits

  • Competitive compensation with salary and equity
  • Comprehensive health coverage for you and your dependents
  • Paid parental leave for all new parents, inclusive of adoptive and surrogate journeys
  • Relocation support for employees moving to join the team in one of our office locations
  • A mission-driven, low-ego culture that values diversity of thought, ownership, and bias toward action
Last updated Sep 22, 2026. Interested? Apply on the company site.

About Fundamental

The Power to Predict

The Power to Predict. Our most powerful Large Tabular Model. Pre-trained on billions of real-world enterprise tables, our model knows which patterns drive which outcomes.

NEXUSOur World’s Most Powerful Large Tabular ModelPre-trained on billions of real-world enterprise tablesEnterprise AIData AnalyticsTime SeriesConfidential ComputingCloud
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