Senior Java Developer – OpenShift Experience 8/15/2025 A

Overview

At Expleo, we believe in engineering solutions that matter. We're looking for a Senior Java Developer to play a pivotal role in delivering innovative, citizen-focused software solutions for government clients. With over 7 years of experience in enterprise Java development, you'll combine deep technical expertise with leadership to guide and support a high-performing team.

This is your opportunity to make a tangible impact—driving digital transformation in the public sector while mentoring others and championing best practices in software engineering.

Responsibilities

- Experience with OpenShift Container platform, 3scale API and KeyCloak
- Responsibility for building high-performing, scalable, enterprise-grade applications
- Java application development while providing expertise in the full software development lifecycle, from concept and design to testing
- Expert in Java development, with experience using industry-standard frameworks, e.g. Quarkus/Spring Boot
- Microservice and API development (RESTful, experience of REST design and implementation)
- Understanding of API security protocols (OAuth 2.0/0penID Connect)
- Knowledge of Kubernetes, API managers and WebLogic
- Testing frameworks and TDD (like Cucumber or Junit)
- Databases: Relational (Oracle)
- Coding in adherence to the standards of the application in question
- Maintaining, tuning and repairing applications to keep them performing according to technical and functional specifications; performing preventive maintenance activities; providing user support
- Integration of technical and application components to meet business requirements
- Completing assigned tasks related to phases of development lifecycle of enterprise applications within given scope and timeframe requirements

Qualifications

- BS/MS degree in Computer Science, Engineering or a related subject

Essential skills

Technical Skills:

You will be able to clearly demonstrate enterprise project experience with the following technologies:

- Java, Spring, JavaScript, Angular2+, Quarkus
- HTML, XML, CSS or equivalent
- Developing webservices

You will have enterprise project experience with most of these technologies:

- OpenShift 4 and Docker containers
- 3Scale
- KeyCloak
- Spring JDBC
- Maven
- Gitlab
- Active MQ Messaging (Red Hat AMQ Broker/JMS)
- Jenkins
- SonarQube
- ArtiFactory
- Jira
- Confluence
- Encryption
- Integration with external applications (3rd party software)
- XML and JSON
- OpenAPI
- Progressive Web Apps
- Service Workers
- OpenID connect and OAuth protocols
- Mobile-First Development
- Front-end CI pipelines
- Testing Tools - cucumber/Karama/Jasmine/Protractor
- EJB2/EJB3 - for maintenance of support of older applications
- Drools

Consultancy Skills:

- Strong client-facing skills, with the ability to build trust and communicate effectively
- Ability to lead and mentor, fostering a culture of learning and knowledge sharing
- Collaborative team player
- Self-driven and disciplined

Experience

- 7+ years of experience in enterprise Java development
- Public sector experience preferred

Benefits

At Expleo, we are committed to providing a competitive salary and substantial benefits offering with unique wellbeing, financial and employee recognition programmes.

We pride ourselves on our diverse and inclusive culture and offer a variety of family friendly policies and enhanced leave to help you achieve a healthy work life balance.

By providing significant learning and development opportunities, we encourage individual growth and success throughout your career with us.

- Collaborative working environment – we stand shoulder to shoulder with our clients and our peers through good times and challenges
- We empower all passionate technology loving professionals by allowing them to expand their skills and take part in inspiring projects
- Expleo Academy - enables you to acquire and develop the right skills by delivering a suite of accredited training courses
- Competitive company benefits such as medical and dental insurance, pension, life assurance, employee wellbeing programme, sports and social events, birthday hampers and much more
- Always working as one team, our people are not afraid to think big and question the status quo.

"We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation or age".

At Expleo, we understand that many people experience impostor syndrome throughout their lifetime, please do not let this discourage you from applying for this role. Our Talent Acquisition Team welcomes all CV's and will consider your application in line with the values, requirements and role competencies.

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