Flashbots · 5 months ago
Senior Backend Engineer (Platform)
United States
Full-time
Remote
Mid, Senior Level
4+ years expFlashbots is an R&D organization focused on building the future of the Internet and financial systems, specifically through MEV innovations. They are seeking a Senior Backend Engineer to lead the development of high-performance backend infrastructure and contribute to open-source projects that enhance the MEV ecosystem and blockchain scalability.
BlockchainCryptocurrencyEthereum
Responsibilities
Lead Infrastructure Development: Lead or support development of high-performance backend infrastructure for rollups, including block builders, sequencers, and decentralized execution environments powered by TEE technology
Own Critical Infrastructure: Own key infrastructure components across CI/CD, observability, automation, and runtime performance tooling that support our production systems serving millions of users
Cross-functional Collaboration: Collaborate closely with protocol, research, and backend teams to design infrastructure that balances fast UX with decentralization goals and censorship resistance
Production Excellence: Debug production systems at the OS, network, or runtime level and drive reliability improvements across the stack to maintain our industry-leading uptime standards
Open Source Leadership: Contribute to and lead open-source infrastructure projects that advance the MEV ecosystem and blockchain scalability
Qualification
Required
4-10 years of experience with production systems and deep understanding of infrastructure, platform engineering, or DevOps concepts at scale
Strong skills in Rust or Go, with the ability to build high-performance, secure systems
Exceptional communication and coordination skills for a remote-first, global environment
Motivated by solving hard problems that have asymmetric impact and strike at the core of crypto's infrastructure challenges
Preferred
Experience running Ethereum infrastructure, such as clients, builders, rollup sequencers, or MEV-Boost components
Contributed to open-source infrastructure tooling or participated in protocol engineering discussions
Worked with TEEs, secure enclaves (like Intel TDX), or other trusted compute primitives
Built high-throughput or latency-sensitive systems (e.g., trading infrastructure, real-time data processing)
Deep understanding of MEV, L2 scaling solutions, or DeFi protocols
Benefits
Significantly above market rate equity compensation package
Unlimited PTO with a high level of freedom and autonomy for your work
Attractive health coverage package for US employees
$3000 Yearly budget for your individual learning and development goals
Paid travel - 2 x team on-site in different parts of the world per year plus periodic travel to events
Company
Flashbots
Flashbots is a research and development company that focuses on miners and searchers for transparent and efficient MEV extraction.
11-50 employees
H1B Sponsorship
Flashbots has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (1)
2022 (2)
Funding
Current Stage
Growth StageTotal Funding
$60MKey Investors
Paradigm
2023-07-21Series B· $60M
2021-01-01Seed
2020-01-01Seed
Recent News
Company data provided by crunchbase