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Technical groups
Dropdown arrow
Open source
Careers
Research
Blog
Contact
Consulting services

Improving the craft of software engineering

We are on a mission to improve developer experience (DX) and data-centric workflows (MLOps). Tweag is a collaborative space where engineers and researchers join forces to apply new ideas — all as open source.

Nix

Many thought leaders of the Nix community are Tweagers. Together with our clients, we contribute much of the technical roadmap, from better reproducibility and performance to new use cases and developer tools.

Bazel

We were among the first outside of Google to adopt Bazel. We are recognized community experts. We have contributed key features and new programming language support to Bazel. We did this for ourselves and now we can do it for you.

Haskell

We are among the top contributors to GHC, a mature, state-of-the-art compiler for Haskell. Choosing Haskell is a path to more correct, scalable code for industries where mistakes matter. We created language interop with Java, JavaScript, C and R, we make Haskell run in your browser, and do the heavy lifting in your analytics pipelines.

Nickel

Write complex configurations. Modular, correct and boilerplate-free.

Featured on our blog

From minimal skeletons to comprehensive transactions with cooked-validators

cooked-validators is a Haskell library to write offchain code and conduct testing activities over Cardano smart contracts. One of its main features is to create fully-fledged transactions from simple declarative skeletons.

Bashfulness

In which we delve into the vagaries of Bash formatting and pit Topiary against shfmt in the ultimate, totally unbiased showdown.

The refactoring of a Haskell codebase

An experience report of a somewhat large refactoring of Liquid Haskell

Interested in learning more?

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