vaporif
Protocol Engineer
15 years backend/distributed systems. Currently implementing IBC v2 for Solana at Eiger — deep in validator signature verification, compute optimization, account model constraints, offchain services. Open source at cosmos/solidity-ibc-eureka. Lisbon-based.
Experience: 5 years
Yearly salary: $150,000
Hourly rate: $100
Nationality: 🇺🇦 Ukraine
Residency: 🇵🇹 Portugal
Experience
Director of Technology / Principal Engineer
DOOR3 2017 - 2024
Technology consultancy. Progressive roles from Senior Engineer to Director of Technology over 7 years. Led architecture and delivery for distributed cloud systems (Node.js, Rust, .NET). Built DevOps practices organization-wide; led DevOps department. Initiated Rust adoption: rewrote CAD system core to WebAssembly for structural engineering software. Managed engineering teams, conducted hiring, defined technical vision. Presales: technical audits, solution design, resource planning.
Senior Software Engineer
Infopulse 2014 - 2017
Full-stack development on enterprise projects. Built distributed change tracking for high-load products (Big Four client). Led frontend architecture (Angular.js). Created custom testing frameworks under restrictive OSS policies.
Software Engineer
Materialise 2012 - 2014
Additive manufacturing software (Streamics, Magics). Full-feature development: WPF desktop, ASP.NET MVC/WCF backend, C++ integration. Pioneered unit testing for web frontend with CI/CD integration.
Skills
aws
docker
gcp
golang
python
solana
solidity
terraform
typescript
ruby
english
russian
ukrainian