Backend Engineer (Java) — Fintech for Global Impact

Arqfinance; Kraków; Hybrid; PLN 120,000 - 180,000; Full time

Job summary

ARQ is building the next generation fintech platform from Kraków, blending high-scale backend systems with customer-centric features. Join a fast-growing team focused on delivering secure, scalable services that empower users to manage money efficiently.

You will work on greenfield development and evolving critical systems, leveraging Java, Spring Boot, and PostgreSQL to build reliable software that supports millions of users globally.

Qualifications

• Bachelor's degree in Computer Science, Mathematics, Engineering, or a related field.
• Proven experience with backend development and Java.
• Strong knowledge of REST APIs and microservices architecture.

Responsibilities

• Design, develop and maintain scalable backend systems.
• Build RESTful APIs and microservices that power our products.
• Collaborate with cross-functional teams to deliver reliable software.

Skills

Backend development

Java

REST APIs

Microservices

Education

Bachelor's degree in Computer Science or related field

Tools

PostgreSQL

Spring Boot

Docker

Job description

ARQ is building the next generation fintech platform from Kraków, blending high-scale backend systems with customer-centric features. Join a fast-growing team focused on delivering secure, scalable services that empower users to manage money efficiently.

You will work on greenfield development and evolving critical systems, leveraging Java, Spring Boot, and PostgreSQL to build reliable software that supports millions of users globally.