Full-Stack Java Developer

Uni Systems

. Work with subject matter experts to gather business requirements.

Posted 10/13/2026full-timeRemote • LuxembourgSeniorLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in Java application development, including microservices architecture and automated testing. Proficient in agile methodologies and effective communication across divisions to support business requirements and ensure successful project delivery.

Highest-signal resume keywords

Java DevelopmentSpring BootAutomated TestingAgile MethodologiesMicroservices Architecture

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Hard Skills

JavaSpringSpring BootSQLJPAHibernateAngularTypeScriptGitApache Camel

Soft Skills

CommunicationCollaborationProblem-Solving

Tools & Technologies

ServiceNowAzure PipelinesTerraformDockerSharePoint

Industry Keywords

Financial ServicesITILDevSecOps

Tech Stack

Tools & technologies

AngularApacheAzureCloudDockerHibernateJavaJavaScriptMicroservicesServiceNowSpringSpring BootSpringBootSQLTerraformTypeScript

About the role

Key responsibilities & impact

Work with subject matter experts to gather business requirements.
Analyze existing processes, applications, and new end-user requirements.
Design applications and microservices addressing business requirements.
Implement applications and microservices using the relevant technology stack.
Support existing microservices applications for different divisions.
Perform unit, integration, system, and performance testing.
Support the business during user acceptance testing and obtain business signoff.
Check source code, configuration, and automated unit tests into Git with documentation such as Javadoc and Asciidoc.
Record test results and perform change management activities in ServiceNow.
Prepare documentation, reporting, and change-management materials.
Participate actively in agile ceremonies.
Prepare and manage releases.
Store materials in SharePoint for audit purposes.
Identify risks and liaise on change-related issues.
Facilitate effective deployments and modifications to industry practices.
Maintain customer relationships across different divisions to ensure smooth communication.

Requirements

What you’ll need

Bachelor’s degree in IT and minimum of 10 years of hands-on Java experience.
Experience personally writing and maintaining automated unit and integration tests for Java applications.
Hands-on development experience with Spring and Spring Boot, including persistence using JPA and Hibernate.
Experience using Git for team-based software development, including branches, pull requests or merge requests, and code review.
Experience writing SQL queries for relational databases and using XML, YAML and JSON in application development or configuration.
Hands-on experience with AI-agent-driven software development using at least one of GitHub Copilot, Claude Code or Codex; experience must include agent-led implementation or modification of application code; code completion alone is insufficient.
Hands-on experience developing Angular frontend applications using TypeScript/JavaScript.
Advanced English (C1) communication skills (written and spoken).
Experience with Apache Camel.
Experience with agile (Scrum) and DevSecOps.
Experience with continuous integration and continuous delivery pipelines, e.g., Azure Pipelines.
Experience with Infrastructure-as-Code, e.g., Terraform, and containerized environments, e.g., Docker.
Experience with public cloud architectures, e.g., Microsoft Azure.
Experience with the development of microservices.
Experience in the financial services industry.
Experience with service management following ITIL.