Summary

The lead software engineer will build and maintain backend systems for ARQ’s fintech products using Java, Spring Boot, and PostgreSQL. The role is hybrid, with 3–4 days a week in the office.

Responsibilities

• Develop greenfield backend systems
• Build REST APIs and microservices
• Evolve card payment and treasury systems
• Maintain transaction booking and crypto liquidity systems
• Apply Java, Spring Boot, and PostgreSQL
• Use TDD and DDD practices