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Jobs at ARQ (Now Hiring) — 9 open

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Software Engineer (Java Backend)

Krakow, Lesser Poland Voivodeship, Poland · Hybrid

Mid level

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 …

Skills: Java, Spring Boot, Postgres, REST APIs, Microservices

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Lead Software Engineer (Java)

Krakow, Lesser Poland Voivodeship, Poland · Hybrid

Senior

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 …

Skills: Java, Spring Boot, Postgres, REST APIs, Microservices

ARQ logoARQ

Senior Software Engineer (Java)

Krakow, Lesser Poland Voivodeship, Poland · Hybrid

Senior

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 …

Skills: Java, Spring Boot, Postgres, REST APIs, Microservices

ARQ logoARQ

Senior Software Engineer (Java)

London, England, United Kingdom · Hybrid

Senior

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 …

Skills: Java, Spring Boot, Postgres, REST APIs, Microservices

ARQ logoARQ

Software Engineer (Java Backend)

London, England, United Kingdom · Hybrid

Mid level

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 …

Skills: Java, Spring Boot, Postgres, REST APIs, Microservices

ARQ logoARQ

Lead Software Engineer (Java)

London, England, United Kingdom · Hybrid

Senior

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 …

Skills: Java, Spring Boot, Postgres, REST APIs, Microservices

ARQ logoARQ

Senior Data Scientist

London, England, United Kingdom · Hybrid

Senior

What We're Looking For We're looking for a Senior Data Scientist to help build the intelligence layer behind ARQ's financial products. You'll work on some of our most important risk and financial crime challenges, develo…

Skills: Python, Machine Learning, Supervised Learning, Classification, Anomaly Detection

ARQ logoARQ

Software Engineer (Java Backend)

New York, New York, United States · Hybrid

Mid level

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 …

Skills: Java, Spring Boot, Postgres, REST APIs, Microservices

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Controller

Ciudad de México, Mexico · Hybrid

Senior

Our Controller will play a key role in building and scaling our multi-jurisdictional financial operations. We’re looking for a fintech-savvy, detail-oriented accounting leader to drive accuracy, compliance, and efficienc…

Skills: Financial Close, Multi-entity Consolidation, IFRS, GAAP, SQL

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Software Engineer (Java Backend)

ARQ

Krakow, Lesser Poland Voivodeship, Poland • Hybrid

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Mid level

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  • Full-time
  • bachelor degree
  • Competitive Salary, Ownership Of Development Process, Access To Latest Technology, Professional Development Support
  • Posted 2d ago
  • ~40 hrs/week

Responsibilities

Design, develop, and maintain scalable backend systems and REST APIs to power fintech products. Focus on greenfield development and improving systems for card payments, treasury management, and crypto liquidity.

Requirements

Requires a Bachelor's degree in Computer Science or a related field and demonstrable fluency in Java backend development. Candidates should have a track record of building complex products for hypergrowth startups and possess strong English communication skills.

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

  • 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

Related keywords

JavaSpring BootPostgresREST APIsMicroservicesTDDDDDCI/CDFintechBackend EngineeringClean CodeCard PaymentsTreasury ManagementCrypto LiquidityScalabilityFinancial Inclusion

About ARQ

LinkedIn

Financial leadership for ambitious tech and innovation businesses

Industry
Financial Services
Company size
2-10 employees
Headquarters
Lancaster

Financial leadership for ambitious tech and innovation businesses. Outsourced finance support that gives founders clarity, control, and confidence as they grow. We take ownership of your finance function and turn your numbers into insight that supports better decisions. You get senior-level financial leadership without the cost or complexity of building a full in-house team. Clear visibility. Strong cashflow control. Finance that supports growth.

Offices: Lancaster, GB

View all jobs at ARQ

About ARQ

LinkedIn

Financial leadership for ambitious tech and innovation businesses

Industry
Financial Services
Company size
2-10 employees
Headquarters
Lancaster

Financial leadership for ambitious tech and innovation businesses. Outsourced finance support that gives founders clarity, control, and confidence as they grow. We take ownership of your finance function and turn your numbers into insight that supports better decisions. You get senior-level financial leadership without the cost or complexity of building a full in-house team. Clear visibility. Strong cashflow control. Finance that supports growth.

Offices: Lancaster, GB

View all jobs at ARQ

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