Java Fullstack Developer (MSSIT)

Senior Java Fullstack Developer – FX Trading Platforms

Location : Krakow, Poland (Hybrid – 2 days / week in office)

Contract : B2B, Long-Term Collaboration

Join a global engineering team building mission-critical financial systems at the heart of the FX (Foreign Exchange) market. We’re looking for an experienced Java Fullstack Developer ready to step into a high-impact role where performance, clean architecture, and fast delivery matter.

You’ll work in a cross-functional, agile pod , releasing production-ready code daily, owning services end-to-end — from development to monitoring.

What You'll Be Working On

Designing, developing, and maintaining low-latency, high-throughput systems handling large-scale FX transactions (hedging, prime brokerage, execution management).

Contributing to microservices-based architecture (~100–150 running services) with high autonomy over feature design and delivery.

Building modern UIs with React and / or Angular , closely aligned with backend components written in Java + Spring Boot .

Collaborating across time zones with global teams (London, Toronto, Guangzhou) in a DevOps-driven environment.

Ensuring code quality through automated testing, CI / CD pipelines, instrumentation, and observability best practices .

Tech Stack & Tools

Backend : Java 11+, Spring Boot, RESTful APIs

Frontend : React, Angular, TypeScript, JavaScript

Database : PostgreSQL, Oracle, Sybase

DevOps : Git, Jenkins, Docker, Kubernetes (basic exposure), CI / CD automation

Testing & Monitoring : JUnit, Mockito, Grafana, ELK stack, SonarQube

Agile : Jira, Confluence, Scrum / Kanban practices

Who We're Looking For

3–7 years of experience as a Fullstack or Backend Java Developer .

Hands-on experience with microservices , REST APIs, Spring Boot.

Solid understanding of relational databases and data consistency in distributed systems.

Experience with modern frontend frameworks (React or Angular) is a big plus.

Passion for DevOps culture — you build it, you own it.

Comfortable working in Agile teams and collaborating with international stakeholders.

Fluent English – spoken and written.

Ready to shape the future of global financial markets with us?

Apply below or drop us your CV — we’ll get back to you within 24 hours.

To learn more about Antal, please visit www.antal.pl