MLabs is hiring a Senior Validator Engineer to lead engineering efforts for the Solana Validator, including Agave and Firedancer. You will drive innovation and implementation of next-generation, high-performance distributed systems, joining a team of core engineers building an entire platform in Rust that connects L1s and L2s.
What You'll Do
- Refactor, improve, and lead the software design and implementation of core validator components.
- Maintain a large, modular codebase, ensuring it remains future-proofed and highly performant.
- Translate complex protocol specifications into actionable issues and high-quality code.
- Automate security testing processes and benchmarks, creating innovative tools for continuous system improvement.
- Collaborate through frequent architectural discussions, design specs, and rigorous code reviews.
- Mentor less experienced engineers and document complex technical systems effectively.
What We're Looking For
- At least 3 years of experience in blockchain and distributed systems, with a deep technical understanding of L1/L2 architectures, ideally Solana.
- 2–3+ years of professional experience writing high-performance, efficient Rust code.
- Demonstrated experience in designing, developing, and deploying scalable distributed systems.
- Direct involvement in the Solana ecosystem, specifically contributing to the runtime, scheduler, or other core systems.
- Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field.
- An analytical approach to mitigating security threats and a passion for shipping quality code frequently.
Nice to Have
- Proficiency in writing and debugging C code.
- Active open-source contributions to core protocols such as Firedancer, Reth, Lighthouse, or Geth.
- Engagement with the blockchain security research community through publications, conference presentations, or open-source research.
Technical Stack
- Rust
- C
- Solana
- Firedancer
- Agave
Team & Environment
You will join a highly proficient team of core engineers who have all contributed to foundational network components, within a collaborative, high-standards environment motivated by coherent system design and solving complex core infrastructure challenges.
Benefits & Compensation
- Compensation range of $180K - $300K.
- Work on projects that redefine how blockchain infrastructure functions.
- Join a team of highly proficient core contributors.
- Gain deep visibility into every level of the blockchain stack.
- Play a foundational role in building infrastructure for global digital markets.
- Opportunity to lead design efforts and mentor talent.
Work Mode
This is a remote position open to candidates based in Europe only.
At MLabs, we are committed to offering equal opportunities to all candidates, ensuring no discrimination, accessible job adverts, and providing information in accessible formats. Our goal is to foster a diverse, inclusive workplace with equal opportunities for all.
