Apply on company website Remote (Global)

Flashbots is hiring a Senior Backend Engineer

About the Role

The role involves building and optimizing core backend services that power decentralized infrastructure, ensuring reliability, scalability, and security under real-time network demands.

Compensation

Competitive salary with equity and benefits

Work Arrangement

Remote-friendly with flexible hours

Team

Small, autonomous team focused on blockchain infrastructure

Responsibilities

  • Develop and maintain distributed systems for blockchain data processing
  • Design APIs for low-latency, high-throughput transaction handling
  • Improve system resilience under network congestion
  • Collaborate on consensus-adjacent protocols
  • Monitor production systems and respond to incidents
  • Write clean, testable code with strong operational focus
  • Contribute to architectural decisions for long-term scalability
  • Optimize database performance for time-series blockchain data
  • Support tooling for internal and external developers
  • Participate in code reviews and system design discussions

Requirements

  • Proven experience with Go or Rust in production environments
  • Strong understanding of distributed systems principles
  • Experience with PostgreSQL or similar relational databases
  • Familiarity with message queues and stream processing
  • Knowledge of cryptographic primitives and their applications
  • Track record of delivering reliable backend services
  • Ability to debug complex system interactions
  • Comfortable working in fast-paced, evolving environments
  • Clear written and verbal communication skills
  • Experience with containerization and orchestration tools

Preferred Qualifications

  • Contributions to open-source blockchain projects
  • Hands-on experience with Ethereum or similar networks
  • Exposure to zero-knowledge proof systems
  • Background in systems programming or kernel development
  • Prior work on consensus or mempool logic
  • Understanding of front-running and transaction ordering
  • Experience with formal verification tools
  • Familiarity with CI/CD pipelines for backend deployment
  • Knowledge of security best practices in backend services
  • Published research or talks in systems or crypto domains

What We Offer

  • Opportunity to work on foundational blockchain infrastructure
  • High-impact role with direct influence on system design
  • Flexible work environment with remote-first culture
  • Support for continuous learning and conference attendance
  • Equity in a mission-aligned organization
  • Health, dental, and retirement benefits
  • Generous vacation and parental leave policies
  • Quarterly team gatherings in different locations
  • Home office setup stipend
  • Mental health and wellness resources

Available for qualified candidates

Required Skills
RustGoDistributed SystemsBlockchainCryptographyAPI DesignSecurityNetworkingPerformance Optimization
Job Details
Work mode Remote (Global)
Category Backend
Posted 9 months ago
Application On company website
About company
Flashbots
An R&D organization building the foundations of the future Internet and financial system, focusing on MEV through open research and breakthrough product development.
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