Senior Blockchain Architect

Plexus Resource Solutions Ltd; City Of London; Remote; GBP 80,000 - 100,000; Full time

Job summary

A pioneering Bitcoin Layer 2 company is seeking a Senior Blockchain Architect to shape the technical direction of a transformative ecosystem. You will design robust systems, lead teams, and evaluate cutting-edge technologies. Ideal candidates have strong expertise in Web3, Solidity, and Bitcoin technology. The position offers competitive compensation, generous leave, and a fully remote work environment across Europe and Latin America.

Benefits

Competitive compensation

100% remote work

35 vacation days

30 sick days

Parental leave

Qualifications

• 5+ years in Web3 with architectural experience.
• Deep Bitcoin knowledge and secure protocol design.
• Experience with consensus algorithms and blockchain interoperability.

Responsibilities

• Design and improve system architectures.
• Lead development teams and ensure architectural alignment.
• Evaluate technologies, risks, and business impact.

Skills

Web3 architectural experience

Solidity

Java

EVM expertise

Rust/JS

Applied cryptography

Smart contract auditing

Analytical skills

Communication skills

Remote teamwork skills

Education

BSc/BA or equivalent

Job description

Senior Blockchain Architect

Plexus is partnering with a pioneering Bitcoin Layer 2 company on a mission to make Bitcoin work for everyone. The team empowers developers to build on Bitcoin, and pushes the frontiers of decentralized technology.

The Role:
We’re seeking a Senior Blockchain Architect to play a pivotal role in shaping the technical direction of this high-impact Bitcoin Layer 2 ecosystem. Working closely with the Director of Architecture, you’ll design robust, scalable systems, guide development teams, and evaluate new technologies that push the boundaries of what’s possible on Bitcoin.

Responsibilities

• Design and improve system architectures.
• Lead development teams and ensure architectural alignment
• Evaluate technologies, risks, and business impact.
• Communicate updates to stakeholders on progress and decisions.

Requirements

• 5+ years in Web3 with architectural experience; strong Solidity, Java, and EVM expertise; Rust/JS a plus.
• Deep Bitcoin knowledge, applied cryptography, secure protocol design, and smart contract auditing.
• Experience with consensus algorithms, Sybil control mechanisms, and blockchain interoperability.
• Strong problem-solving, analytical, communication, and remote teamwork skills; BSc/BA or equivalent; fluent English.

Offers

• Competitive compensation with growth and well-being benefits.
• 100% remote work (Europe/Latin America) with access to global coworking spaces.
• Generous leave: 35 vacation days, 30 sick days, plus parental leave.
• Work on cutting-edge blockchain projects in a diverse, global team.