Senior Software Engineer (Java)

You will design, develop, and maintain scalable, secure, and high-performing backend systems. You will build REST APIs, engineer microservices, and improve systems supporting card payments, treasury management, transaction booking, and crypto liquidity. You will work with Java 25, Postgres, and Spring Boot while applying clean code, TDD, DDD, and continuous integration and delivery.

Responsibilities

• Develop greenfield backend systems
• Improve existing systems
• Build REST APIs
• Engineer microservices
• Evolve systems supporting card payments treasury management transaction booking and crypto liquidity
• Apply clean code TDD DDD and continuous integration and delivery practices

Requirements

• Demonstrate backend development experience and fluency in Java
• Hold a bachelor's degree or above in Computer Science Mathematics Physics or another engineering or science discipline
• Communicate fluently in written and spoken English
• Show a track record of building complex products used by millions in hypergrowth startups
• Learn quickly and demonstrate an ambitious results driven approach

Benefits

• Stock options
• Discretionary performance bonus