Senior Software Engineer (Java)

ARQ; Greater London; Ibrido; GBP 60.000 - 90.000; Tempo pieno

Vantaggi offerti da questo lavoro

Stock options

Discretionary performance bonus

The latest tools and technology

Office 3-4 days in-office

Descrizione del lavoro

ARQ is hiring a Backend Engineer to design, develop, and maintain scalable backend systems for our fintech products. You’ll work with a talented team to deliver secure, high-performing services that power our money-mover infrastructure across borders.

You’ll contribute to greenfield projects and modernize existing platforms, building REST APIs and microservices. Our stack centers on Java, Spring Boot, and Postgres, with a focus on maintainability and rapid delivery.

Competenze

• Minimum background in backend development with strong Java skills.
• Bachelor's degree or higher in CS, Math, Physics or related fields is required.
• Excellent English communication skills (spoken and written) and a track record in building scalable products.

Mansioni

• Greenfield development and improvement of existing systems.
• Build REST APIs and microservices; evolve core systems (payments, treasury, transactions).
• Leverage Java on the backend with Postgres; use Spring Boot for delivery.
• Follow a pragmatic approach with clean code, TDD, DDD, and CI/CD practices.

Conoscenze

Java

Backend development

English communication

Formazione

Bachelor's degree in CS/Math/Physics or related

Strumenti

Spring Boot

PostgreSQL

REST APIs

Descrizione del lavoro

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.

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