Senior Java Software Engineer

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.

Responsibilities

• Design and implement scalable Java-based services to support DLT applications in the capital markets space. Develop off-ledger components such as APIs, integration layers, and data pipelines for DLT-enabled platforms.
• Collaborate with DLT engineers to design seamless interactions between off-ledger and on-ledger components. Monitor system performance and optimize distributed architectures.
• Design and implement integration solutions using Java, Apache Camel, and Enterprise Integration Patterns (EIPs). Implement and manage service orchestration, messaging (e.g., Kafka, JMS), and microservice communication patterns.
• Proactively address database support and performance issues, including scaling and backup procedures. Investigate database persistence issues, ensuring efficient resolution of deadlocks and other transaction-related concerns.
• Design and maintain architecture diagrams to support system planning, communication between teams, and scalable solution development.
• Collaborate with DevOps team for application deployment and infrastructure management (e.g. using Kubernetes clusters, configuration with YAML files and Helm charts).
• Develop unit, integration, and system tests to ensure high code quality and system stability. Ensure compliance with security standards (e.g., TLS, GDPR, PCI DSS).
• Produce clear technical documentation for APIs, integration flows, and system architecture.
• Stay informed on emerging technologies and patterns relevant to integrating legacy systems with DLT.

Requirements:

Must-Have Skills

• Proficiency in Java frameworks (Spring Boot/Quarkus).
• Deep understanding of database systems, particularly PostgreSQL and Oracle.
• Knowledge of transaction management, persistence issues, and deadlock resolution.
• Experience building and managing CI/CD pipelines (e.g., Jenkins, GitLab CI).
• Solid scripting skills in Bash or Python.
• Experience with Docker, Kubernetes (e.g., EKS, OpenShift, GKE, AKS), and Helm.
• Strong expertise with Apache Camel and event-driven integration patterns.
• Autonomy and ownership, ability to work both independently and as part of a team.
• Excellent verbal communication and problem-solving skills.

Nice-to-Have Skills

• Knowledge of DLT frameworks or experience working with DLT programming languages.
• Knowledge of infrastructure tools: Ansible, Terraform, Prometheus, Grafana, and ELK stack.
• Understanding of security frameworks and encryption protocols: TLS, SSL, NIST, ISO 27001.
• Familiarity with SWIFT messaging protocols and secure financial integrations.

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.
• A 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.