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Java Developer

Poland
Employee

Job Description

IntellectEU is an international technology company focused on digital finance and emerging technologies. At IntellectEU we are on a mission to become the top-of-mind fintech company. We are committed to our people and believe in building a better future with the newest of the newest technologies. Giving young people and industry veterans a growing ground to play, launch ideas & work very closely with our clients. With our hands-on experience in both technical & capital markets, there’s no challenge that’s left untackled. Since 2006 we have been focused on financial messaging and integration, being a SWIFT service partner.


We are seeking a skilled Java Developer to join our team. You'll design and implement robust integration solutions for financial services clients, working primarily with Quarkus, Temporal workflows, and Kubernetes.


Responsibilities:

  • Design and implement integration solutions using Java and Enterprise Integration Patterns (EIPs)
  • Build and maintain Temporal workflows and activities as core components of integration flows
  • Work with Temporal work queues to orchestrate complex financial processes
  • Build application logic and business features that support integration processes
  • Develop database interactions using Java and Quarkus abstractions
  • Implement transaction management and resolve persistence-related issues
  • Develop solutions for SWIFT messaging protocols and secure financial integrations
  • Ensure seamless system-to-system communication and data transformation
  • Collaborate with DevOps team for application deployment and infrastructure management
  • Maintain your own development environment and troubleshoot deployment issues
  • Work with Kubernetes environments to understand application deployment
  • Configure applications using YAML files and Helm charts
  • Monitor your application performance and optimize distributed architectures
  • Ensure compliance with security standards (TLS, GDPR, PCI DSS)
  • Work closely with project partners on client implementations
  • Share knowledge and best practices within the engineering team
  • Maintain technical documentation and support team learning initiatives


Requirements: 

Must-Have Skills

  • 5+ years of Java development experience with strong proficiency in Quarkus
  • Database development through Java abstractions (PostgreSQL, Oracle)
  • CI/CD pipeline experience (GitLab CI, ArgoCD)
  • Excellent English communication skills (spoken and written)
  • Availability to participate in on-call shifts, typically one week every 1–2 months


Nice-to-Have Skills

  • Deep integration expertise with Apache Camel and Enterprise Integration Patterns
  • Temporal framework experience - building workflows, activities, and working with work queues
  • Experience with financial messaging protocols (SWIFT, ISO 20022)
  • Kubernetes and containerization experience (Docker, Helm, EKS/OpenShift/GKE/AKS)
  • Infrastructure and monitoring tools (Ansible, Terraform, Prometheus, Grafana, ELK stack)
  • Security frameworks knowledge (TLS, SSL, NIST, ISO 27001)
  • Financial services background or fintech experience
  • Exposure to Drools rule engine


Soft skills: 

  • Strong problem-solving and analytical mindset
  • Collaborative team player who enjoys knowledge sharing
  • Detail-oriented with focus on quality and performance
  • Adaptable to different client environments and requirements


We guarantee: 

  • Excellent compensation and benefits package including medical insurance and sports activities.
  • International experience in a stable company: the company has offices in Antwerp, Lisbon, Krakow, Kyiv, New York and operates on the market for over 15 years.
  • Passionate team in an innovative casual, positive, and open work environment ready to meet your new ideas.
  • Great opportunities for personal and professional development as well as the chance to change the way the business works in the financial world.
  • Work where you're most productive — remote, in-office, or hybrid options available.


Join us to make an impact on the entire financial world!

About IntellectEU

First seen: February 6, 2026
Last updated: February 25, 2026