Zimri Leijen
@zimrileijen
Back-end focused full-stack developer experienced in blockchain, AI, and cross-functional coordination.
NetherlandsWhat I'm looking for
I am a back-end focused full-stack developer with deep experience in blockchain, AI, and building API-driven products. I have led and optimized complex game economies and tokenomics, coordinated cross-functional teams, and created prototypes, integrations, and analytics tools that scaled support and informed C-level strategy.
I co-founded a stealth startup, worked as a full-stack developer integrating smart contracts and databases, and have advised multiple FinTech and Web3 startups from early stages. I deliver high-quality, test-driven solutions across the stack while prioritizing efficiency, security, and measurable business impact.
Experience
Work history, roles, and key accomplishments
Research and analyze complex datastreams and patterns to detect potential financial crime, improving detection accuracy and reporting to stakeholders.
Advisor / Developer
Various Projects
Dec 2013 - Present (11 years 9 months)
Advised and developed for multiple FinTech and Web3 startups, producing strategic reports, token migration tools, NFT marketplace components, bots and analytics tooling.
Co-Founder
Escaped Gecko
Jul 2024 - Apr 2025 (9 months)
Founded a stealth startup, led product development and early-stage operations from concept to prototype over initial funding and iteration cycles.
SMLed and executed the Axie Builders Program, optimizing game economies and tokenomics and increasing supported studios fivefold while coordinating cross-functional teams.
Full Stack Developer
Premia
Mar 2021 - Jun 2022 (1 year 3 months)
Developed across front-end, back-end, database and smart contracts, created initial prototypes and maintained quality via e2e tests and blockchain integration tests.
Education
Degrees, certifications, and relevant coursework
MERN Fullstack Bootcamp
Bootcamp Certificate, Full-stack Web Development
Completed a MERN Fullstack Bootcamp focused on MongoDB, ExpressJS, React, and Node for full-stack development.
University of Applied Sciences, Amsterdam
Engineering, Aviation Engineering
Pursued engineering studies with a focus on Aviation Engineering.
Tech stack
Software and tools used professionally
Availability
Location
NetherlandsAuthorized to work in
Job categories
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