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Work with senior C++ engineers.

C++ engineers who ship production systems, not pitch decks.

We build production C++ systems for US product teams every week. Senior engineers, aligned with your timezone, embedded in your process. We write C++ the way your team will still want to read it next year.

Let's talk

Jump-start your C++

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C++ in production
Why Sonnet Code for C++

The bar we hold ourselves to.

Senior only

Every engineer we put on your work has 5+ years shipping production code. No rotations out, no bait-and-switch.

Measured, not promised

Performance budgets, observability, and evaluation metrics are part of the build — not things we add after you ask.

Honest scoping

We'll tell you when this is the wrong tool for the job. The fastest way to lose a client is to ship the wrong thing.

What we build with C++

C++ work, shipped.

New C++ systems

Greenfield C++ services architected for the three-year horizon — proper boundaries, tests, and documentation from day one.

C++ modernization

Incremental migration from legacy systems, using the strangler-fig pattern so you never bet the farm on a single cutover.

C++ scaling

Taking an existing C++ codebase from working-for-10k-users to working-for-10M-users, without a full rewrite.

C++ team augmentation

Senior C++ engineers embedded in your team, shipping alongside your engineers with the same standards and PR process.

Ready to get started with C++? Fifteen minutes is all it takes.