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Senior Software Engineer (Java)

ARQ

London, England, United KingdomHybridFull-time$100–165K/yrPosted 2w agoVerified open 4 days ago
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At a glance

Compensation
$100–165K/yr
Location
London, England, United KingdomHybrid
Schedule
Full-time
Work Authorization
Not specified

Requirements

Credentials this posting asks for.

Bachelor's degree

Job overview

ARQ is hiring a Senior Software Engineer (Java). ARQ, a fast‑growing fintech, seeks a Senior Software Engineer to design, develop and maintain scalable, secure backend systems, collaborating with a talented team to build REST APIs, microservices and financial‑inclusion products while emphasizing clean code, TDD, DDD and continuous delivery.

Key focus areas include Focus on greenfield development and improvement of existing systems, Build REST APIs, engineer microservices, and evolve critical business systems, and Develop backend using Java, Spring Boot, and PostgreSQL.

Important skills include Java, Driving Results, Infrastructure, Spring Boot, REST APIs, and Microservices. Preferred (not required): Physics and English.

Skills & qualifications

RequiredNice to have

Skills

JavaDriving ResultsInfrastructurePhysicsEnglishSpring BootREST APIsMicroservicesPostgreSQLTDDDDDContinuous Integration & DeliveryClean CodeCommunication Skills

Qualifications

Bachelor's Degree in Computer Science, Mathematics, Physics or Other Engineering Science DisciplinesDemonstrable Experience in Backend DevelopmentTrack Record of Building Complex Products in Hypergrowth StartupsEnglish Fluency

Full job description

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.

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 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 database

  • We rely on Spring Boot for quick and quality delivery

  • We 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 & 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

  • Quick 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 startups

Benefits

  • Competitive salary and benefits

  • Stock options, so you own part of what you build

  • Discretionary performance bonus

  • The latest tools and technology

  • A world-class team that will challenge and grow your skills

  • The opportunity to help build the best fintech app in Latin America

  • Office Policy: 3-4 days a week in-office

You've read the whole posting — now see how you match it.

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