Senior Java Developer
Summary
Senior Java Developer at Veriforce/Alcumus building its SaaS contractor and supply-chain risk management platform. Day to day: designing and maintaining Java 17+/Spring Boot microservices and REST APIs on AWS, resolving production issues, and mentoring developers. Mostly remote, with office attendance in Cardiff required no more than one day per week.
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We are looking for an experienced Senior Java Developer located within commuting distance of Cardiff. The role offers excellent flexibility, with office attendance required no more than one day per week.
• Support the continuous improvement of team practices, processes, and ways of working to enhance efficiency, quality, and delivery outcomes.
• Collaborate with colleagues across Technology and the wider business to identify opportunities to improve existing systems, streamline processes, and deliver new capabilities.
• Work closely with stakeholders to gather, analyse, and document business requirements, translating them into clear user stories and technical solutions.
• Design, develop, test, and maintain high-quality code for web, mobile, and desktop applications, following established engineering standards and Agile development practices.
• Investigate, troubleshoot, and resolve production issues, providing support for critical incidents and service escalations.
• Contribute to architectural discussions and technical decision-making, helping to shape scalable, secure, and maintainable solutions.
• Participate in design reviews and peer code reviews, promoting best practices and maintaining high standards of software quality.
• Support the planning and execution of application releases, deployments, and platform enhancements.
• Work closely with quality assurance teams to ensure solutions meet functional, performance, security, and reliability standards.
• Provide third-line technical support, acting as a subject matter expert for complex application and platform issues.
• Mentor and support other developers, sharing knowledge and encouraging technical excellence across the team.
• Demonstrate flexibility in learning and working with new technologies, programming languages, frameworks, and platforms as required.
• Stay current with emerging technologies, industry trends, and development practices, recommending improvements where appropriate.
• Take ownership of technical deliverables, ensuring work is completed to a high standard and aligned with business objectives.
• Strong commercial experience developing enterprise applications using Java 17+/21.
• Strong experience with Spring Boot, and related ecosystem frameworks.
• Proven experience designing and developing RESTful APIs and microservices-based architectures.
• Strong understanding of distributed systems, event-driven architectures, and asynchronous processing patterns.
• Experience working with relational databases such as PostgreSQL, MySQL, or SQL Server, including query optimisation and data modelling.
• Good understanding of modern software architecture principles, including microservices, domain-driven design (DDD), CQRS, and API-first development.
• Experience with cloud-native development and deployment, ideally within AWS, including services such as ECS, Lambda, API Gateway, ECR, S3, RDS, and CloudWatch.
• Hands-on experience with containerisation technologies such as Docker and orchestration/deployment pipelines.
• Strong knowledge of automated testing practices, including unit, integration, and end-to-end testing using tools such as JUnit, Mockito, and Testcontainers.
• Experience using source control and collaborative development workflows with Git and GitHub.
• Familiarity with CI/CD pipelines and modern software delivery practices.
• Ability to investigate and resolve complex production issues, including performance tuning and root cause analysis.
• AI literate, with practical experience using tools such as GitHub Copilot, Claude, or similar AI-assisted development tools to improve productivity and code quality.
• Strong problem-solving skills with the ability to work independently and take ownership of technical solutions.
• Experience working effectively within Agile/Scrum delivery teams.
• Excellent communication, stakeholder engagement, and collaboration skills.
• A commitment to continuous improvement, engineering excellence, and ongoing professional development.
Desirable
• Experience developing modern front-end applications using React and TypeScript.
• Experience with event streaming and messaging technologies such as Kafka
• Knowledge of infrastructure-as-code technologies such as Terraform or AWS CDK.
• Experience working in highly regulated, compliance-driven, or security-focused environments.
• Experience mentoring developers and leading technical initiatives.
• Experience contributing to architecture decisions and engineering standards across multiple teams.
• Exposure to mobile application development frameworks.
> 🚗 EV Salary Sacrifice Scheme
Bring Your Whole Self to Work.
What you can expect if you apply:
- A response to your application within 15 working days
- An interview process consisting of:
- An initial discovery call with the recruiter
- A first stage interview via Microsoft Teams
- Additional interview (likely face to face) with the stakeholders you’ll be working with closely in the role
Skills
- Agile
- AI
- Analytics
- API
- AWS
- CDK
- CI/CD
- Cloud
- Cloud Native
- CloudWatch
- Containerization
- Data Modeling
- Distributed Systems
- Docker
- ECS
- Event Driven Architecture
- Git
- GitHub
- Github Copilot
- Infrastructure as Code
- Java
- JUnit
- Kafka
- Lambda
- Microservices
- Mockito
- MySQL
- PostgreSQL
- RDS
- React
- REST
- S3
- SaaS
- Scrum
- Spring
- SQL
- SQL Server
- Terraform
- Test Automation
- TypeScript
- User Stories