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# Lead Software Engineer(Java)

- **Company:** Arq
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Java (Programming Language), Business Logic, Continuous Integration, PostgreSQL, Spring-boot, Backend, Information Technology, Restful APIs, Service Stack, Microservices
- **Published:** September 27, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/lead-software-engineerjava/48780253

## About the Role

the way people manage their money. What you'll be doingThe work will focus on greenfield development and improvement of existing systemsProjects will include building REST APIs, engineering microservices and evolving a number of systems that our business depends on (e.g. card payments, treasury management, transactions booking, crypto liquidity)Our technology stack is based predominantly on Java 25 on the backend with Postgres databaseWe rely on Spring Boot for quick and quality deliveryWe have a pragmatic approach to develop our business logic, focusing on clean code, with emphasis on maintainability and fast turnaround with TDD, DDD and continuous integration & deliveryWhat you'll needDemonstrable experience in Backend development, with fluency in JavaBachelor's Degree (or above) in Computer Science, Mathematics, Physics, or other Engineering / Science disciplinesQuick learner with an ambitious and results driven personality, with excellent communication skills
(english fluency, verbal and written)Track record of building complex products that millions of people use in hypergrowth startupsCompetitive salary and benefitsStock options, so you own part of what you buildDiscretionary performance bonusThe latest tools and technologyA world-class team that will challenge and grow your skillsThe opportunity to help build the best fintech app in Latin AmericaOffice Policy: 3-4 days a week in-office #J-18808-Ljbffr

## Description

financial system, we've raised capital from some of the world's best investors: Sequoia Capital, Founders Fund, Brevan Howard Digital, Y Combinator, and Kaszek Ventures.Lead Software Engineer(Java)LocationLondonEmployment TypeFull timeLocation TypeHybridAbout ARQARQ 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 forAs 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


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