Software Engineer, Security

Anza; Greater London; Remote; GBP 134,953 - 224,922; Full time

Benefits offered by this job

Dynamic work environment

Direct impact on blockchain security

Opportunity to work on cutting-edge technology

Job summary

A leading blockchain R&D lab in Greater London is looking for a Security Engineer to safeguard the Solana ecosystem. In this role, you will design and implement security measures, conduct research, and work with teams to identify vulnerabilities. The ideal candidate has over 5 years of experience in software engineering, especially in distributed systems, and is proficient in Rust. This is an exciting opportunity to impact the future of blockchain technology in a fully remote environment.

Qualifications

• 5+ years of software engineering experience related to complex distributed systems.
• Familiarity with modern infrastructure tools and testing approaches.
• Previous auditing experience required.

Responsibilities

• Design and implement security and defense-in-depth controls.
• Conduct advanced security research.
• Work closely with core contributors for internal security audits.

Skills

Analytical abilities

Problem-solving

Effective communication

Experience with fuzzing tools in Rust

Self-motivated and self-managing

Education

Education in Computer Science or Information Security

Tools

Rust

Job description

Who We Are

Anza is a Solana R&D lab pushing the boundaries of blockchain performance and scalability. Anza was founded by experienced executives and core engineers solving the toughest problems in Web3. Crypto ecosystems rely on robust protocols, and we believe those are best built out in the open, with multiple contributors. We pioneer advanced solutions to meet the evolving demands of decentralized applications.

The Role

As a Security Engineer at Anza, you will play a crucial role in safeguarding the Solana ecosystem by designing and implementing robust security measures. You will work closely with core developers, ecosystem teams, and external auditors to identify and mitigate vulnerabilities in distributed systems protocols and blockchain client software. Your expertise will help shape security best practices and advance the security posture of blockchain technology.

Responsibilities

• Design and implement security and defense-in-depth controls to prevent and limit vulnerabilities
• Conduct advanced security research on Solana and other Rust-based smart contract platforms
• Work closely with core contributors to perform in-depth internal security audits
• Work with external security audits in collaboration with top‑tier third‑party firms
• Effectively communicate security risks and solutions to both technical and non‑technical stakeholders
• Uphold the highest standards of integrity, trust, and professionalism in all security practices

Requirements

What You’ll Bring

• Educational background in Computer Science, Information Security, or equivalent experience
• 5+ years of software engineering experience related to complex distributed systems, either on the design, implementation or testing side
• Familiarity with modern infrastructure tools and testing approaches
• Excellent analytical and problem‑solving abilities, with a keen eye for detail
• Effective communication skills, both written and verbal, to clearly convey complex security concepts to technical and non‑technical stakeholders
• Previous auditing experience
• Experience working with fuzzing tools in Rust
• Rigorous testing standards
• Demonstrated capacity to clearly and concisely communicate about complex technical, architectural, and/or organizational problems and propose thorough iterative solutions
• Proficient in English, sufficient for success in a remote and asynchronous work environment
• Effective communication skills: regularly achieves consensus with peers, and clear status updates
• An inclination towards communication, inclusion, and visibility
• Self‑motivated and self‑managing, with excellent organizational skills
• Ability to thrive in a fully remote work environment
• A positive and solution‑oriented mindset

Preferred Qualifications

Familiarity with at least one or more Rust-based smart contract platforms, including Solana, Cosmwasm, NEAR (strong preference to pre‑existing Solana experience).

Benefits

Why Join Anza?

We offer a dynamic, fast‑paced environment where innovation and problem‑solving are at the heart of everything we do. Here, your work will have a direct impact on the security and scalability of blockchain technology, contributing to the foundation of decentralized applications worldwide.

We're excited to welcome individuals who share our passion for pushing the boundaries of blockchain technology. If you're ready to take on the challenge and contribute to the next generation of blockchain infrastructure, we'd love to hear from you.

The salary range for US‑based candidates will be determined throughout the interview process depending on experience, skill, and location. Candidates should anticipate an annual base salary (not including incentive compensation or other benefits) of $180,000 USD to $300,000 USD.