At a Glance
- Tasks: Design, develop, and maintain scalable backend systems, focusing on REST APIs and microservices.
- Company: ARQ is a rapidly growing fintech redefining cross-border money interactions.
- Benefits: Competitive salary, sign-on stock options, and relocation support to London.
- Other info: Experience in hypergrowth startups is essential.
- Why this job: Join a world-class team and shape the future of financial inclusion.
- Qualifications: Fluency in Java and a Bachelor's Degree in Computer Science or related fields required.
The predicted salary is between 60000 - 80000 £ per year.
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.
- Sign‑on stock options bonus, so you become part of the success of the company.
- Discretionary performance bonus (stock options).
- Paid annual leave.
- Own the development process that will face on the customer's impact.
- Latest technology to work with.
- Strong team that will help you improve your skills.
- Relocation to London.
From outside of UK -> London
- Relocation: 4,900 GBP (Inclusive of 30 day accommodation, misc.) + Flight employee only cost.
- Visa: Cost Covered for Employee + Dependents Covered.
Within the UK -> London
- Relocation: No relocation package.
- Visa: Cost Covered for Employee + Dependents Covered.
Senior Software Engineer (Java) employer: Castleisland
ARQ offers a competitive salary and sign-on stock options, allowing employees to share in the company's success. Located in London, ARQ is committed to transforming financial interactions globally. The team is dedicated to skill improvement and innovative solutions.
