Apply

Ready to go for it?

AI Apply speeds things up—apply directly if you prefer.

FREE ACCESS
5,000–10,000 jobs/day
JobTailor Logo

See all jobs on JobTailor

Search thousands of fresh jobs every day.

Discover
  • Fresh listings
  • Fast filters
  • No subscription required
Create a free account and start exploring right away.
ARQ

Senior Software Engineer, Java

ARQ

Senior Java Engineer building scalable backend systems for ARQ’s cross-border fintech platform. Developing APIs, microservices, and financial infrastructure with Java, Spring Boot, and PostgreSQL.

Posted 8/24/2026full-timeKrakow • 🇵🇱 PolandSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Backend Development with a strong focus on Java, REST API, and microservices architecture. Proven ability to build scalable and secure systems while applying clean code principles and modern development methodologies.

Highest-signal resume keywords
Backend DevelopmentJava 25REST API DevelopmentMicroservices EngineeringPostgreSQL

ATS Keywords

Tailor your resume
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Backend DevelopmentJava 25REST API DevelopmentMicroservices EngineeringPostgreSQLSpring BootClean CodeTDDDDDContinuous Integration
Soft Skills
Excellent Communication SkillsQuick LearnerAmbitiousResults Driven
Tools & Technologies
Spring BootPostgreSQL
Industry Keywords
Financial InclusionCard PaymentsTreasury ManagementTransaction BookingCrypto Liquidity

Tech Stack

Tools & technologies
JavaMicroservicesPostgresSpringSpring BootSpringBoot

About the role

Key responsibilities & impact
  • Focus on greenfield development and improvement of existing systems
  • Build REST APIs
  • Engineer microservices
  • Evolve systems supporting card payments, treasury management, transaction booking, and crypto liquidity
  • Develop scalable, secure, and high-performing backend systems
  • Use Java 25, PostgreSQL, and Spring Boot
  • Apply clean code, TDD, DDD, and continuous integration and delivery
  • Collaborate with a talented team to create solutions that drive financial inclusion and transform money management

Requirements

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

Comp & perks
  • 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