Senior Bitcoin Layer-2 Protocol Engineer (Remote)

Jobgether; Ireland; Remote; EUR 120,000 - 180,000; Full time

Benefits offered by this job

Fully remote work

Global coworking access

Continuous learning sponsorship

Job summary

Jobgether in Ireland is assisting a partner company seeking a Senior Protocol Engineer to design and scale a Bitcoin-secured Layer 2 blockchain infrastructure. The role is hands-on, involves core protocol components, testing, and operational upgrades across live networks in an international, remote-first environment.

You will own architecture decisions, contribute to open-source code, and collaborate with product, DevOps, and security teams.

Qualifications

• 5+ years of software engineering experience, with 2+ years in blockchain core/protocol development.
• Proficient in Go, Rust, or Java for production-grade software.
• Strong understanding of blockchain architecture and EVM-compatible systems.
• Experience with distributed systems and production blockchain environments.

Responsibilities

• Design, develop, maintain, and optimize core blockchain protocol components (execution and consensus clients, sequencers, block derivation).
• Contribute to Layer 2 rollup infrastructure ensuring scalability and secure interaction with the parent chain.
• Develop bridge and proof system components, including deposits, withdrawals, and cross-layer messaging.
• Work with a large open-source codebase and prepare technical documentation, RFCs, and design proposals.
• Design and execute comprehensive testing strategies (unit, integration, adversarial) and investigate production issues.

Skills

Go

Rust

Java

English

Distributed systems

Tools

Docker

Prometheus

Grafana

JSON-RPC

Job description

Jobgether in Ireland is assisting a partner company seeking a Senior Protocol Engineer to design and scale a Bitcoin-secured Layer 2 blockchain infrastructure. The role is hands-on, involves core protocol components, testing, and operational upgrades across live networks in an international, remote-first environment.

You will own architecture decisions, contribute to open-source code, and collaborate with product, DevOps, and security teams.