Freelancer profile translated to English.
Back to original languageAbout Sacha
Full stack developer with over 10 years of experience in Golang.
I can assist you with the following issues:
- Mobile architecture and development (iOS/Android)
- Design and implementation of Web Applications
- Development of Single-Page Applications with React.js
- Implementation of a CI/CD system
- Implementation of a micro-service Cloud architecture
- Web3 oriented project (blockchain and P2P)
I have a very good understanding of the technology to select (web, mobile, or hybrid) to address a problem in the implementation of a product. I can help you with issues around Kubernetes and the cloud. I develop mainly in Golang and Rust but also have experience with other languages such as C/C++, Javascript, Obj-C, Python.....
French
Native or bilingual
English
Native or bilingual
Can work on-site
Paris (up to 10km)
Experience
- 1six technologiesLead DeveloperJuly 2025 - Today (11 months)Leading the design and implementation of authentication, wallet, and blockchain infrastructure products across a multi-language stack (TypeScript, Go, Rust), owning architecture, backend services, distributed systems, and cloud infrastructure end-to-end.
- Topology.ggLead ProtocolJanuary 2025 - December 2025 (11 months)Paris, FranceLead Protocol Engineer — DRP (Distributed Real-Time Programs)Designed and implemented a decentralized, local-first real-time protocol on top of libp2p. Built CRDT-based replicated objects, peer-to-peer networking middleware, and a TypeScript & Rust runtime enabling serverless collaborative applications with automatic conflict resolution and offline support.
- Topology.ggOSS ContributorJune 2024 - January 2025 (7 months)Lead Protocol Engineer — DRP (Distributed Real-Time Programs)Designed and implemented a decentralized, local-first real-time protocol on top of libp2p. Built CRDT-based replicated objects, peer-to-peer networking middleware, and a TypeScript & Rust runtime enabling serverless collaborative applications with automatic conflict resolution and offline support.
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Education
- SeniorEcole 422013