Java Fullstack Developer

Join us, and shape high-speed systems with global impact!

Kraków - based opportunity with hybrid work model (2 days/week in the office).

As a Full Stack Engineer (Java & React) you will be working for our client, a leading global financial institution supporting investment banking services with cutting-edge technology solutions. You will join a distributed development team building and enhancing high-volume FX systems used by institutional clients. The systems are deployed globally and require high performance, scalability, and secure design. Your work will focus on both front-end and back-end components using modern frameworks and DevOps practices. This is a hands-on role in a collaborative, agile environment where daily releases and microservices are the norm.

Your main responsibilities:

• Developing scalable Java-based backend systems using microservices architecture
• Implementing responsive user interfaces with React and JavaScript frameworks
• Managing deployments and monitoring live systems within a DevOps environment
• Writing clean, secure, and well-documented code
• Collaborating closely with cross-regional teams in Europe, Asia, and North America
• Ensuring high performance and low latency of financial transaction systems
• Working with relational databases like PostgreSQL, Oracle, and Sybase
• Participating in agile ceremonies and contributing to iterative development
• Ensuring cybersecurity compliance and remediating vulnerabilities
• Supporting production systems and resolving issues in collaboration with global teams

You're ideal for this role if you have:

• 5+ years of experience as a Full Stack Engineer working with Java
• Hands-on experience with React and modern JavaScript libraries
• Strong understanding of microservices and Spring Boot framework
• Proficiency in relational databases such as PostgreSQL or Oracle
• Exposure to DevOps practices and CI/CD tools
• Familiarity with Agile development methodologies
• Good knowledge of software security and performance optimization
• Strong problem-solving mindset and ability to take ownership
• Fluent English
• Bachelor's degree in Computer Science, Engineering, or related field

It is a strong plus if you have:

• Experience with investment banking or financial services platforms
• Familiarity with additional back-end languages like Node.js or Golang
• Understanding of containerization tools like Docker or Kubernetes
• Exposure to observability tools for monitoring and logging
• Knowledge of messaging systems or event-driven architecture

We offer you:

ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people. The offer includes:

• Stable and long-term cooperation with very good conditions 
• Enhance your skills and develop your expertise in the financial industry
• Work on the most strategic projects available in the market
• Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years
• Participate in Social Events, training, and work in an international environment
• Access to attractive Medical Package
• Access to Multisport Program
• Access to Pluralsight
• Flexible hours & remote work

Internal job number #6912

You can report violations in accordance with ITDS’s Whistleblower Procedure available here.