Haskell Database Engineer for Global Derivatives Exchange

Kraken; España; Presencial; EUR 86.000 - 173.000; Jornada completa

Descripción de la vacante

Kraken is seeking a highly skilled software engineer to build and maintain high-assurance services for a global open financial system. You will work on typed languages, design robust schemas, and ensure accurate settlements with PostgreSQL-backed storage.

You will collaborate across engineering, operations, risk, and compliance to ship secure features and scalable infrastructure. The role requires 3+ years in functional or strongly typed languages, plus strong SQL expertise and a disciplined,

Formación

• 3+ years of professional software engineering experience in 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, and distributed systems.
• Willingness to participate in on-call and operational shifts.
• Careful with money-moving data; you measure before you tune.
• Good judgment with AI tools; you read, test, and verify outputs before shipping.
• Habit of asking why before changing something; collaborative and calm under pressure.

Responsabilidades

• Build, test, and ship well-typed features in Haskell services across exchange, clearinghouse, and brokerage.
• Understand order, trade, clearing, and settlement flows end to end.
• Design schema, constraints, and indexes for new features with exact numeric types and audit trails.
• Write lock-safe, reversible migrations on large tables; review others' migrations.
• Read execution plans, identify slow queries, and fix via index or access pattern changes.
• Monitor systems, respond to alerts, and support daily settlement operations.
• Fix root causes of production issues and document the learnings.

Conocimientos

Haskell

Rust

C++

SQL

PostgreSQL

Data structures

Concurrency

Distributed systems

On-call

AI tools

Curiosity

Collaboration

Educación

Bachelor's degree in computer science or related field

Herramientas

AWS Aurora PostgreSQL

Descripción del empleo

Kraken is seeking a highly skilled software engineer to build and maintain high-assurance services for a global open financial system. You will work on typed languages, design robust schemas, and ensure accurate settlements with PostgreSQL-backed storage.

You will collaborate across engineering, operations, risk, and compliance to ship secure features and scalable infrastructure. The role requires 3+ years in functional or strongly typed languages, plus strong SQL expertise and a disciplined,