Backend Engineer Integrations and APIs

Own the layer between core infrastructure and external users, including public APIs, indexing, data pipelines, developer-facing services, analytics, observability, and production hardening.

Responsibilities

• Design and build JSON-RPC endpoints for transaction submission, status queries, and account state
• Own transaction lifecycle status tracking, error reporting, and timeout handling
• Build the indexer and query backend for the block explorer, partner integrations, and historical state queries
• Build analytics pipelines and implement metrics and event logging
• Work across service boundaries to understand component behavior
• Harden APIs, build partner integrations, and perform load testing

Requirements

• Strong systems or backend programming experience in Rust, C++, or both
• Proven experience designing and building robust RPC or API services for high-scale traffic
• Deep understanding of database architecture, indexing, and query patterns
• Experience owning production infrastructure

Benefits

• Health, dental, and vision coverage with most plans fully covered for employees and dependents
• Flexible time off and 15 company holidays including a company-wide holiday break
• Paid parental leave and paid pregnancy disability leave
• Gym reimbursement of $80 per month
• Life and accidental death and dismemberment insurance up to $50,000
• Short-term and long-term disability coverage
• 401K with 4% match
• Health and Dependent Care FSA accounts
• Commuter benefits with a $250 monthly employer contribution
• Health Savings Account with monthly employer contribution
• Family-building benefits through Kindbody
• Wellbeing benefits through One Medical, Rightway, and Headspace
• Daily lunch and snacks in the office
• Company retreats