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Software Engineer (Java)

Build REST APIs and microservices for card payments and treasury systems

As a Backend Engineer at ARQ, you will design, develop, and maintain scalable backend systems using Java 25 and Spring Boot. Your work will focus on greenfield development and improving existing systems, including REST APIs, microservices, and core financial systems such as card payments, treasury management, transactions booking, and crypto liquidity. You will collaborate with a team to deliver clean, maintainable code using TDD, DDD, and CI/...

Why This Role?

Own the development process that directly impacts customer-facing financial products

Key Responsibilities

  • Design and develop REST APIs using Java and Spring Boot
  • Build and maintain microservices for financial systems like card payments and treasury
  • Improve existing backend systems through greenfield development
  • Write clean, test-driven code with emphasis on maintainability and CI/CD
  • Collaborate on evolving systems for transactions booking and crypto liquidity

Requirements

  • Demonstrable experience in backend development with Java fluency
  • Bachelor's degree in Computer Science, Mathematics, Physics, or related engineering/science field
  • Strong communication skills in English (verbal and written)
  • Track record of building complex products used by millions in hypergrowth startups
  • Quick learner with ambitious, results-driven mindset

Required Skills

javaspring-bootmicroservicespostgresrest-apibackend-developmentSpring BootREST APIPostgreSQLTDD

Indonesia Context

Working Hours Overlap:
Flexible — work your own hours
See remote (USD) vs local pay →
View Original Description from Ashby Job BoardsShow more

Original description from Ashby Job Boards

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

Salary Context

Similar Engineering roles on LokerDollar pay around $170k/yr (range $1k–1000k/yr, n=823 active listings).

Hiring at ARQ

ARQ has 8 other active roles on LokerDollar and has been hiring here since Jul 4, 2026 — across Engineering.

View all ARQ openings →

Market context

  • ESTIMATEEstimated pay is 3% below the role median of $170,000/year (n=823 pay-disclosing listings).
  • VERIFIEDARQ: 52 postings in the last 3 months, 52 all-time on LokerDollar.
  • VERIFIEDCompany first seen Jul 4, 2026.
  • VERIFIEDThis listing first seen Sep 24, 2026.
  • VERIFIEDLast verified live Sep 30, 2026.

Openness not stated by employer — check the listing

Company
ARQ
Estimated salary
$145k–185k/yr
Based on similar roles — not stated by the employer
Job Type
full time
Location
null · Remote
Category
Seniority
mid
PostedFreshNew & verified
Sep 21, 2026

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Frequently asked questions

Is Software Engineer (Java) at ARQ a remote job?
Yes, Software Engineer (Java) at ARQ is remote, but the employer did not state which countries can apply. Check the listing before applying.
What type of employment is Software Engineer (Java) at ARQ?
This is a full time position.
How do I apply?
Click the "Apply" button on this page to go to the official application at ARQ.

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