Senior Fullstack Engineer
Anywhere, Full Remote
10+ years building web applications in fintech, cybersecurity & blockchain.
Ruby on Rails specialist.
Expertise built across demanding, high-stakes environments
Feature design & development with Ruby on Rails and JavaScript. From API to frontend.
Performance improvements, security hardening, dependency updates, maintenance.
KYC/KYB platforms, AML/CFT regulatory systems, banking & payment integrations.
Bug fixes, code reviews, library upgrades, troubleshooting across various sectors.
10+ years across fintech, cybersecurity, blockchain & more
2021 - Present
Crypto exchange platform, KYC/KYB administration, banking integrations.
2020 - Present
Clients in luxury, automotive, events, merch, music, and more.
2020 - 2021
Influencer marketing API, performance & scalability.
2017 - 2020
Vulnerability monitoring, compliance management, security audits.
2016 - 2017
Crowdfunding platforms, payment API integrations (MangoPay, Stripe).