Sr. Backend Engineer, Historical APIs
Company:Helius
Location:North America
Languages:English
Seniority level:Senior, 3+ years
Experience:3+ years
Skills:
Backend DevelopmentPostgreSQLSQLSoftware ArchitectureAlgorithmsClickhouseData StructuresRustRESTful APIsMicroservicesDebugging
Requirements:
3+ years of strong backend engineering experience Experience with Rust (strongly preferred), C++, or an equivalent language Professional experience with distributed systems, data pipelines, and performance-focused engineering Familiar with database schema design and optimization patterns for large datasets Ability to break down complex problems into simple solutions Relentless curiosity and a drive to dive deep into performance optimizations Desire for a fast-moving, high-ownership environment
Responsibilities:
Build ingestion, indexing, and retrieval features across our archival systems Improve API performance and reliability for high-throughput services Optimize query performance against databases like ClickHouse, Postgres, and RocksDB Collaborate with senior & staff engineers on caching, scaling, and distributed data patterns Debug, profile, and maintain production systems for performance Engage in system design, technical discussions, and long-term planning
