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Lead Software Engineer (Java)
About ARQ
ARQ is one of the fastest-growing finteches in the world. Our mission is to redefine how people interact with money across borders, building the infrastructure to move value seamlessly. We’re still early in our journey, which means every person who joins shapes the future of our product, culture, and growth. If you’re excited by big challenges, global impact, and the chance to grow fast with a world-class team, ARQ is the place to do it.
What we're looking for
As a Backend Engineer, you’ll design, develop, and maintain scalable, secure, and high-performing backend systems that power our innovative products. You’ll collaborate with a talented team to create solutions that drive financial inclusion and transform the way people manage their money.
What you'll be doing
- The work will focus on greenfield development and improvement of existing systems
- Projects will include building REST APIs, engineering microservices, and evolving systems like:
- Card payment systems
- Treasury management
- Transaction booking
- Crypto liquidity
- Our tech stack is primarily Java 25 backend with Postgres database
- We use Spring Boot for quick and high-quality delivery
- Pragmatic development approach with emphasis on:
- Clean code
- Maintainability
- Fast turnaround
- Test-driven development (TDD)
- Domain-driven design (DDD)
- Continuous Integration & Delivery (CI/CD)
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What you'll need
- 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:
- Ambition & results-driven personality
- Excellent communication skills (fluent English, both verbal and written)
- Proven track record of building complex products that millions of users engage with during hypergrowth startup phases
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Benefits
- Competitive salary and benefits
- Stock options for equity ownership in your contributions
- Discretionary performance bonus
- Access to the latest tools and technology
- World-class team that fosters professional growth through challenges
- Opportunity to help build the best fintech app in Latin America
Office Policy
Hybrid schedule: 3–4 days per week in-office.
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