Remote Senior Blockchain Systems Architect

Consensys; Polska; Hybrid; PLN 591,000 - 828,000; Full time

Job summary

Consensys is seeking an experienced architect to own the platform design for blockchain infrastructure, spanning sequencer, coordinator, proving stack, interop, and privacy components. You will shape cross‑ledger interoperability and translate client requirements into architecture your teams can implement.

You will write decision records, participate in design reviews, and ensure production‑ready designs while communicating complex technical topics to stakeholders.

Qualifications

• Has designed distributed systems and built them with hands-on experience in a language we use (Kotlin, Go, Rust, Solidity, TypeScript, Zig).
• 8+ years of software development/engineering background.
• Ability to hold a large system in their head and reason about scale, coupling and failure modes.
• Experience with Ethereum and EVM or ability to get there quickly from adjacent distributed systems work.

Responsibilities

• Own architecture across the platform, including sequencer, coordinator, proving stack, interop layer and privacy components.
• Lead cross-ledger interoperability architecture and define interfaces and ADRs.
• Translate institutional requirements into concrete designs that teams can implement, with clear written decisions.

Skills

Distributed systems design

Architectural thinking

Communication

Problem solving

Tools

Kotlin

Go

Rust

Solidity

TypeScript

Zig

zkEVM

Job description

Consensys is seeking an experienced architect to own the platform design for blockchain infrastructure, spanning sequencer, coordinator, proving stack, interop, and privacy components. You will shape cross‑ledger interoperability and translate client requirements into architecture your teams can implement.

You will write decision records, participate in design reviews, and ensure production‑ready designs while communicating complex technical topics to stakeholders.