Lead Full-Stack Engineer (Java)

Quick Facts

• Role: Lead Full-Stack Engineer (Java)

Description

You will lead the end-to-end development and maintenance of secure, scalable digital solutions that support the design, implementation, and monitoring of EU-funded programs. The role spans front-end architecture and user interactions through back-end business logic, APIs, databases, security, performance, and cloud deployment. You will work across API and messaging integrations, CI/CD and containerization (Kubernetes), ensuring solutions meet functional and non-functional requirements.

Responsibilities

• Design and develop front-end application architecture and user interfaces
• Build and develop back-end applications and implement core business logic
• Deliver features end-to-end: UI, API integrations, server logic, and database layer
• Design, develop, and integrate APIs
• Work with Java, Spring Boot, Spring Data, and Hibernate
• Integrate systems using REST, SOAP, and Apache Kafka
• Design and develop scalable solutions
• Collaborate between front-end and back-end teams to ensure consistent system integration
• Apply security best practices: input validation, authentication, authorization, secure data storage, and compliant logging/monitoring
• Ensure performance and scalability across browsers and devices
• Write clean, readable, maintainable code
• Create unit and integration tests, debug, and validate changes
• Analyze technical problems, data, processes, and code to identify improvement areas
• Deploy and manage applications in cloud environments
• Work with CI/CD and containerization, including Kubernetes
• Create and maintain technical documentation
• Deliver solutions meeting functional and non-functional requirements and user expectations

Requirements

• Master’s-level education (or at least 5 years of higher education)
• Minimum 15 years total IT experience
• Minimum 10 years back-end experience: Java, Spring Boot, Spring Data, Hibernate
• Minimum 3 years API and messaging experience: Apache Kafka, REST, SOAP
• Minimum 3 years DevOps and container orchestration experience using Kubernetes
• Minimum 3 years experience with Camunda workflow tool
• Minimum 5 years experience with EU Cohesion Policy and Structural Funds, including designing, implementing, and monitoring digital solutions for EU-funded programs
• Required certifications: Oracle SCJP 6.0; OMG-OCUP-100; Oracle 1Z0-047; APMG Agile Project Management Foundation
• English proficiency C1 or higher (speaking and writing)
• Ability to quickly ramp up on new projects and technologies
• Excellent communication and collaboration skills in an international environment
• Readiness to participate in multilingual meetings
• Knowledge of security and cloud best practices
• Ability to integrate front-end and back-end components within CI/CD processes
• Ability to work independently and as part of a team
• Goal-oriented mindset with delivery of measurable results

Benefits

• Work on mission-driven EU digital programs with end-to-end technical ownership across the full stack
• Apply security, performance, scalability, and cloud deployment best practices (CI/CD, containers, Kubernetes)