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Lead Software Engineer (Java)
ARQ: Backend Engineer
About ARQ
ARQ is one of the fastest-growing fintechs 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.
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What You’ll Be Doing
-Focus will be on greenfield development and improvement of existing systems -Key projects include:
- Building REST APIs
- Engineering microservices
- Evolving core systems such as card payments, treasury management, transactions booking, and crypto liquidity -Technical stack:
- Java 25 for backend development
- Postgres database
- Spring Boot for rapid and high-quality delivery -Our development approach:
- Emphasis on clean code, maintainability, and fast turnaround
- Utilising TDD (Test-Driven Development), DDD (Domain-Driven Design)
- Commitment to CI/CD (Continuous Integration & Delivery)
What You’ll Need
- Demonstrable experience in Backend development, with fluency in Java
- Bachelor's Degree (or above) in:
- Computer Science
- Mathematics
- Physics, or other Engineering/ Science disciplines
- A quick learner with:
- An ambitious and results-driven personality
- Excellent communication skills (English fluency, both verbal and written)
- Strong track record of building complex products used by millions during hypergrowth stages in startups
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Benefits
- Competitive salary and benefits
- Stock options – own part of what you build
- Discretionary performance bonus
- Access to the latest tools and technology
- Work with a world-class team that will challenge and grow your skills
- Opportunity to help build the best fintech app in Latin America
- Office Policy: 3-4 days a week in-office
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