Job Description

You will build, test and ship features in Haskell services across the exchange, clearinghouse and brokerage, and design the schemas, constraints and indexes behind them. You will write safe migrations, tune slow queries, monitor systems and support daily operations such as settlement cycles.

Responsibilities

Build, test and ship Haskell features and fixes
Understand order, trade, clearing and settlement flows end to end
Design schema, constraints and indexes using exact numeric types and audit trails
Write lock-safe reversible migrations and review others' migrations
Read execution plans and fix slow queries
Monitor systems, respond to alerts and support daily operations
Fix root causes of production issues and document learnings

Requirements

3+ years of professional experience with a functional or strongly typed language such as Haskell, Rust or C++
Strong SQL and PostgreSQL skills