Landry Monga
Founding Engineer at Stealth Startup
Paris, Ile-de-France
Summary
👤
Senior🎓
Top SchoolLandry Monga is a founding engineer and full-stack software developer based in Paris with nine years of experience building products from low-level protocol integrations to customer-facing web and mobile apps. He has deep expertise in blockchain engineering from his work at Ledger—implementing Bitcoin features, transaction handling, and device signing—and has shipped production AI/ML tooling and RAG pipelines for scientific research at Osium AI. Comfortable across the stack (Next.js, FastAPI, React/React Native) and in product roles, Landry turns user feedback into concrete UX and technical decisions. He also contributed to Ledger Live’s core Bitcoin functionality and added integration tests, reflecting a pragmatic focus on correctness and reliability. Now as a founding engineer at a stealth startup, he blends rapid prototyping with a systems mindset and a penchant for tackling unfamiliar domains.
9 years of coding experience
7 years of employment as a software developer
Diplôme d'ingénieur Informatique, Diplôme d'ingénieur Informatique at EPITA: Ecole d'Ingénieurs en InformatiqueIT and industrial engineer Computer Science, IT and industrial engineer Computer Science at Centrale Lille
English, French
Stackoverflow
444reputation
198kreached
11answers
2questions
Github Skills (20)
transaction10
javascript10
testing10
bitcoin10
ledger10
bitcoins10
transactionscope10
error-handling10
transaction-manager10
typescript9
typescript-types9
nodejs9
typescripts9
react6
ecmascript6
Programming languages (12)
Github contributions (5)
LedgerHQ/ledger-live
Oct 2022 - Jan 2023
Mono-repository for packages related to Ledger Live and its JavaScript ecosystem.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:518 reviews, 18 commits, 223 PRs in 2 months
Contributions summary:Landry primarily focused on implementing and improving the Bitcoin-related features within the Ledger Live ecosystem. Their contributions involved adding and refining the dust limit functionality for Bitcoin and its related cryptocurrencies. They addressed issues related to the transaction status, including error handling and fee estimation, and also improved the send max functionality. Furthermore, the user made updates to the core Bitcoin codebase and added integration tests to validate their work.
javascriptmonoecosystemledgerledger-live
lvndry/impala-c
Nov 2017 - Nov 2017
Contributions:29 commits, 21 pushes, 1 branch in 20 days
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