Full-Stack Developer

Uni Systems

. Develop front-end website architecture and user interactions, as well as back-end website applications .

Posted 10/21/2026full-timeBrussels • BelgiumSeniorLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in full-stack development, including proficiency in Java, JSP, Angular, and RESTful APIs. Capable of implementing security best practices and optimizing web applications for performance across various platforms.

Highest-signal resume keywords

Java DevelopmentJSP and Apache TilesAngular Frontend DevelopmentSpring Framework and HibernateCloud Services Deployment

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaJSPApache TilesAngularRESTful APIsSpring FrameworkHibernateHTMLJavaScriptOracle SQL

Soft Skills

Advanced English Communication

Tools & Technologies

GitAmazon Web ServicesAzureCI/CD Pipelines

Certifications & Qualifications

Master's Degree in ITBachelor's Degree in IT

Industry Keywords

Data Security Best PracticesInput ValidationAuthenticationAuthorizationResponsive Applications

Tech Stack

Tools & technologies

AngularApacheAWSAzureCloudHibernateJavaJavaScriptOracleSpringSQL

About the role

Key responsibilities & impact

Develop front-end website architecture and user interactions, as well as back-end website applications
Implement core business logic
Apply data and security best practices, including input validation, authentication/authorization, secure storage, compliant logging and monitoring
Optimize web applications for performance and functionality across browsers and devices
Design responsive applications and develop APIs
Participate in designing and creating scalable software
Maintain code integrity and organization
Write clean, functional front-end and back-end code
Compile and analyze data, processes, and code to troubleshoot problems and identify improvements
Perform unit and integration testing; debug, fix, and validate code changes
Deliver solutions fulfilling functional and non-functional requirements and user expectations
Write technical documentation
Develop and maintain features across the full stack, including user interfaces, APIs, server-side business logic, and database interactions
Deploy and manage applications on cloud platforms using CI/CD pipelines
Bridge front-end and back-end development, facilitating communication and cohesive integration of system components

Requirements

What you’ll need

Master's degree in IT and minimum 15 years of relevant experience (or Bachelor’s degree in IT and minimum 17 years of relevant experience)
5 years of cumulative experience using JSP and Apache Tiles in combination, with both technologies used concurrently within the same assignment/project
At least one year of cumulative experience developing Angular frontend software and RESTful endpoints in combination, with both technologies used concurrently within the same assignment/project
Minimum 10 years of experience developing software using Java
15 years of cumulative experience developing frontend software using HTML and JavaScript in combination, with both technologies used concurrently within the same assignment/project
At least 10 years of cumulative experience developing software using Spring Framework and Hibernate in combination, with both technologies used concurrently within the same assignment/project
10 years of experience developing software using Oracle SQL
Experience with Git and its workflows
Experience with AI-assisted software-development tools, including secure configuration and excluding source code or other information from AI processing where required by confidentiality or security requirements
Experience with cloud services such as Amazon Web Services or Azure, including deploying and managing applications in a cloud environment
Advanced English (C1) communication skills, written and spoken