Backend Engineer

Role Summary: As a Backend Engineer, you will set the technical direction for Axiom's core backend infrastructure. You will design, build, and operate ultra-low-latency APIs, indexers, and real-time streaming pipelines, owning end-to-end performance, throughput, and correctness for mission-critical systems under constant high write loads.

Key Responsibilities: Core Backend Architecture: Set technical direction and architect low-latency APIs, indexing layers, and streaming pipelines powering the core trading product. Throughput & Reliability: Own system latency, throughput, and state correctness under continuous, heavy write loads and market volatility. High-Volume Data Design: Design robust data schemas and advanced caching strategies across Postgres, Redis, and Click House. Multi-Chain Execution: Build and scale services across multiple blockchain networks, including Solana, BNB Chain, Ethereum, Base, and emerging L2s. Production Observability & Triage: Rapidly debug production incidents across services, databases, and node/RPC infrastructure. System Simplification: Continuously refine fleet architecture to keep systems simple, maintainable, and highly operable while mentoring peers.

Requirements & Qualifications: Must-Haves Backend Mastery: Deep production experience building and scaling high-throughput backend services and distributed architectures (Type Script or Rust).Data Layer Depth: Advanced expertise in data modeling, query optimization, and caching strategies with Postgres, Redis, and Click House. High-Load Performance: Proven track record designing APIs and streaming architectures that maintain low latency under heavy concurrency. Operational Excellence: Strong debugging fundamentals across production services, RPC nodes, and database layers. High Ownership: Urgency, autonomy, and an obsession with shipping reliable, user-focused software. Nice-to-Haves Hands-on experience with on-chain data extraction, indexing engines (Solana Geyser, EVM logs), and mempool mechanics. Background in high-frequency trading platforms, order books, DEX aggregators, or high-volume fintech APIs.

Annual Base Salary: $320,000 – $465,000 USD

Bonus: Performance-based bonus structure