Location: Poland (100% remote) | Type: B2B, Full-time

I'm looking for a Senior Blockchain Developer to work on protocol-level components in Go, contribute to zero-knowledge proof integration (gnark), and expand validator, network, and consensus design on top of Polygon Edge.

My client is building the new operating system (O/S) for global finance. The company is growing fast, with $400B on the platform in 2025 and $1T in 2026. They are building "unified ledgers" with massive infrastructure (currently 20 million transactions per day, ready to scale up to 50 million). If you are looking for a challenging, greenfield/sandbox environment and working alongside experienced software engineers, this might be a role for you!

Senior Blockchain Developer - Responsibilities:

• Develop core blockchain infrastructure in Golang (PoA / EVM networks);
• Work with ZKP frameworks (e.g. gnark) and integrate privacy-preserving components;
• Collaborate on Solidity smart contracts and SDK development (TypeScript, Rust);
• Support DevOps teams with deployment and upgrades;
• Contribute to architecture, reviews, documentation, and mentorship.

Senior Blockchain Developer - Requirements:

• 5+ years of software engineering, 3+ years with Golang;
• Experience with EVM-compatible chains, consensus, and blockchain internals;
• Familiarity with ZK proofs, cryptographic primitives, and TypeScript/Rust;
• Fluent English.

Contract - Details:

B2B (no VAT, international invoice) + paid holidays

100% remote

Competitive salary

This is a high-impact opportunity to build secure, performant blockchain infrastructure for institutional markets.

Questions? Don't hesitate - [email protected]