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Location: Japan (flexible for US/EU async or partial overlap)
Remote: Yes/Hybrid
Willing to relocate: No
Technologies: Rust, Go, TypeScript, AWS/cloud
Résumé/CV: https://www.linkedin.com/in/tsokurov/
Email: [email protected]
Founding engineer -- built OpenReplay's core (YC S19) solo from scratch -- while doing my Math Master degree. Most recently, Spaces Protocol's (Bitcoin L1 + L2) wallets (Rust + TypeScript) -- built 0 to 1, twice.
Background in math and theoretical CS -- IPhO bronze, MIPT, Sorbonne.Best fit: early-stage founder who needs someone to own the software end-to-end -- architecture, decisions, shipping. Bonus if the problem space has real research depth -- more than comfortable with math.
Looking for: part-time contract, ~20-28 hrs/week, starting now and continuing through the upcoming PhD (formal verification + quantum computing).
Remote: Yes
Willing to relocate: No
Technologies: Rust, Go, TypeScript, AWS/infra
Email: [email protected]
Fractional CTO / technical consultant. I work with pre-Series A startups on the technical decisions that are expensive to get wrong - and stay hands-on.
Background: Founding engineer at OpenReplay (YC S19) - designed and shipped the session replay platform from scratch, now 9k+ GitHub stars. 15 years across the full stack, from cloud infra to low-level perf.
Master's in Theoretical CS, IPhO medalist.
Best fit if you have a gnarly infrastructure or architecture problem and need someone who can think it through and ship.
Not looking for: full-time, equity-only, or large companies.
Remote: Yes
Willing to relocate: No
Technologies: Rust, Go, TypeScript, AWS/infra
Email: [email protected]
Founding engineer at OpenReplay (YC S19) - built the entire session replay platform from scratch, now 9k+ GitHub stars.
Most recently: Bitcoin infrastructure at Impervious (Spaces Protocol ecosystem).
Master's in Theoretical CS, IPhO medalist.
Best at: taking undefined problems from 0 to 1 and shipping. Infrastructure, performance optimization, crypto/privacy - or just hard technical problems worth solving.
Looking for: Part-time long-term engagement OR short-term full-time contracts. Particularly interested in very early-stage startups - happy to work within lean budgets for problems I believe in.