Senior Software Engineer (Java)

ARQ is one of the fastest-growing fintechs in the world. Their mission is to redefine how people interact with money across borders by building infrastructure to move value seamlessly.

• Demonstrable experience in backend development with fluency in Java
• Bachelor's Degree or above in Computer Science, Mathematics, Physics, or related Engineering/Science disciplines
• Quick learner with an ambitious and results-driven personality
• Excellent English communication skills, both verbal and written
• Proven track record of building complex products used by millions in hypergrowth startups

• Focus on greenfield development and improvement of existing systems
• Build REST APIs and engineer microservices
• Evolve systems critical to the business such as card payments, treasury management, transactions booking, and crypto liquidity
• Use a technology stack predominantly based on Java 25 and Postgres database
• Utilize Spring Boot for quick and quality delivery
• Develop business logic focusing on clean code, maintainability, and fast turnaround using TDD, DDD, and continuous integration & delivery