Lead Full Stack Engineer (Java+JS)

As a Lead Full-stack Engineer, you will build and maintain web applications for our Client, a large European public institution, working across the front end, back-end services, the data layer, and their deployment in the cloud.

Responsibilities

• Development of front-end website architecture
• Design of user interactions on web pages
• Development of back-end website applications
• Implement core business logic
• Apply data and security best practices: input validation, authentication/authorization, secure storage, compliant logging and monitoring
• Design responsive applications
• Design and develop APIs
• Participating in the design and creation of scalable software
• Maintenance of code integrity and organisation
• Writing clean, functional code on the front- and back-end
• Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement
• Perform unit/integration testing, debug, fix, and validate code changes
• Deliver solutions that fulfil functional and non-functional requirements and align with user expectations
• Write technical documentation
• Develop and maintain features across the entire stack, from designing user interfaces and consuming APIs to implementing server-side business logic and database interactions
• Deploy and manage applications on cloud platforms using CI/CD pipelines and containerization technologies

Requirements

• University degree corresponding to Level 7 of the European Qualifications Framework (which typically corresponds to a master’s level or 5 years of higher education), and minimum 15 years of IT professional experience
• Very good knowledge of English or French language, both spoken and written, corresponding to Level B2
• Knowledge of front-end frameworks/libraries (Angular) and the BFF pattern
• Proficiency in Java, experience with the Spring Ecosystem (Spring Data, Spring MVC), with Hibernate and Spring Boot
• Experience with JEE and Weblogic deployments
• Knowledge and experience with XML, XSD and XSLT
• Proficiency in relational databases (PostgreSQL, Oracle), including schema design and query optimization
• Experience with Atlassian products (BitBucket, Bamboo, Jira) and GitLab ecosystem GitLab pipelines (GitLab CI/CD), including design, configuration, and optimization of automated build, test, and deployment workflows
• Experience with asynchronous processing using Kafka events
• Experience in designing, building, and securing RESTful APIs and web services, including OpenAPI/Swagger documentation

SoftServe is an equal opportunity employer. Qualified applicants will receive consideration regardless of race, color, ancestry, ethnicity, national origin, religion, sex, sexual orientation, gender identity or expression, age, citizenship, disability, health condition, marital or family status, veteran status, or any other characteristic protected by applicable law.

About us

We are a digital engineering and technology consulting company where expertise grows alongsidepeople. For more than 30years, we have been elevating technology: helping organizations navigate complex businesschallenges by combining deepengineering knowledge with thoughtful, research-backed innovation. Our teams work across keyareas: digitalengineering, data and analytics, Сloud, and AI/ML. In each, we deliver practical, scalablesolutions rooted in realbusiness needs and measurable human impact.

You bring your perspective and ambition. We create an environment where your work meetsclarity, confidence, andpurpose.

Flexible Work Model

Work from home, from the office, or in a hybrid format that supports focus andcollaboration.

Competitive, market-based pay, benchmarked by role andlocation — plus health coverage, paid time off, wellness support, and learningopportunities.

Approachable leaders who communicate openly, keep teams close to the strategy, andsupport long-term planning.

Advanced tech communities

Stay close to AI/ML, Cloud, Quantum Computing, IoT, andRobotics communities, with projects built on modern frameworks.

More opportunities available

Browse all open positions to find the best fit for your experience.