Haskell DB Engineer for Crypto Exchange & Settlement

kraken.com; United States; Remote; USD 150,000 - 190,000; Full time

Job summary

Kraken seeks a software engineer to build high-assurance Haskell services for a US-regulated exchange and clearinghouse. You will design schemas, implement transactions, and ensure auditability of orders, trades, and settlements.

You will collaborate across operations, risk, and compliance; 3+ years in a functional language, strong SQL, and on-call experience are required. AWS Aurora PostgreSQL experience is a plus.

Qualifications

• 3+ years of professional software engineering experience with a functional or strongly typed language (Haskell, Rust, or C++)
• Strong SQL and PostgreSQL skills, including transactions and isolation levels
• Solid CS fundamentals: data structures, concurrency, distributed systems, replication, consistency, retries and idempotency

Responsibilities

• Build, test, and ship well-typed features in Haskell services across exchange, clearinghouse, and brokerage
• Understand end-to-end order, trade, clearing, and settlement flows
• Design schema, constraints, and indexes for new features with exact numeric types and audit trails
• Write lock-safe, reversible migrations on large tables and review others' migrations
• Read execution plans, optimize slow queries, and fix root causes
• Monitor systems, respond to alerts, and support daily settlement cycles
• Document learnings from production issues

Skills

Haskell/Rust/C++

Education

Bachelor's degree in CS or related

Tools

PostgreSQL

AWS Aurora PostgreSQL

Job description

Kraken seeks a software engineer to build high-assurance Haskell services for a US-regulated exchange and clearinghouse. You will design schemas, implement transactions, and ensure auditability of orders, trades, and settlements.

You will collaborate across operations, risk, and compliance; 3+ years in a functional language, strong SQL, and on-call experience are required. AWS Aurora PostgreSQL experience is a plus.