Sammy Rosso

Ticino, Switzerland

Join Prog.AI to see contacts

Summary

🤩

Rockstar

🎓

Top School

Sammy Rosso is a Go and Python-focused backend developer with a Master's in Informatics from USI and roughly a decade of hands-on experience building production services and APIs. He has contributed to high-profile open-source projects like prysmaticlabs/prysm, improving test reliability and adding logging and domain types for Ethereum proof-of-stake infrastructure. Professionally, he shipped payment and subscription systems with Stripe, designed in-memory storage for message-queue communication, and maintained Python/Django production backends. His background spans startups to crypto infra (Offchain Labs, Prysmatic Labs, Bity), combining backend engineering with occasional frontend and DevOps responsibilities. Based in Ticino, Switzerland, Sammy pairs systems-level thinking with practical test and reliability work, and he has a history of translating design skills into developer tools and user-facing features. Ambitious and adaptable, he’s positioned to grow as a junior-to-mid-level engineer focusing on Go, Python, or frontend development.

10 years of coding experience

7 years of employment as a software developer

Master’s Degree, Informatics, Master’s Degree, Informatics at USI Università della Svizzera italiana

Bachelor of Science (B.Sc.), Multimedia Technology and Design, Bachelor of Science (B.Sc.), Multimedia Technology and Design at University of Kent

English, Italian

Github Skills (4)

go10

testing10

blockchain9

ethereum9

Programming languages (5)

ShellStarlarkJavaScriptGoAssembly

Github contributions (5)

prysmaticlabs/prysm

May 2022 - Jan 2023

Go implementation of Ethereum proof of stake

Role in this project:

Backend Developer

Contributions:671 reviews, 122 commits, 116 PRs in 8 months

Contributions summary:Sammy primarily focused on improving the reliability of tests by modifying and fixing existing test cases within the `prysm` repository. The user addressed test failures related to synchronization, invalid signatures, and block validation. The user also contributed code to include logging of block payload data and implemented a new domain type for application usage within the codebase.

golangconsensusstakeethereumproof-of-stake

saolyn/bazel-toolchain

May 2022 - Jan 2023

LLVM toolchain for bazel

Contributions:2 pushes in 7 months

bazelstarlarkllvm-toolchaintoolchainbazel-rules

Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.

Request Free Trial