At a Glance
- Tasks: Lead the technical direction and architecture of our core SaaS platform using Java.
- Company: Join a forward-thinking tech company with a focus on innovation and collaboration.
- Benefits: Enjoy a competitive salary, hybrid work options, and opportunities for professional growth.
- Other info: Be part of a culture that values continuous improvement and operational excellence.
- Why this job: Make a real impact by shaping scalable and secure solutions in a dynamic environment.
- Qualifications: Proven experience in Java development and strong leadership skills.
The predicted salary is between 70000 - 90000 £ per year.
As Principal Java Engineer, you will provide technical leadership for GTI's core SaaS platform. Reporting directly to the CTO, you will own the technical direction, architecture and engineering standards of the platform without direct line management responsibility. You will work closely with Product, Data, Operations, DevOps and QA teams to deliver secure, resilient and scalable solutions while mentoring engineers through technical leadership and best practice.
Outcomes
- Platform architecture is scalable, resilient, secure and supports current and future business needs.
- Own the application architecture and technical direction across multiple products and services.
- Design, implement and review high-quality Java and full-stack solutions, APIs and integrations.
- Lead performance optimisation, scalability and resilience initiatives.
- Drive security best practices, vulnerability remediation and secure software development lifecycle (SDLC) practices.
- Work closely with Data, Operations, DevOps and QA teams to ensure architectural alignment and operational excellence.
- Product roadmap is delivered successfully through strong technical leadership and effective engineering execution.
- Provide technical leadership across multiple Agile development teams.
- Translate business and product requirements into robust technical solutions.
- Support engineering teams in the successful delivery of roadmap commitments.
- Facilitate collaboration across teams to remove technical blockers and mitigate delivery risks.
- Mentor and guide developers to improve capability, quality and delivery outcomes.
Engineering standards, architecture principles and best practices are consistently applied across development teams
- Define, maintain and champion engineering standards, architectural principles and development best practices.
- Conduct design and code reviews to ensure quality, maintainability and consistency.
- Author new development processes and continuously improve existing engineering practices.
- Promote secure, scalable and maintainable software design across all teams.
- Support and mentor team members to drive technical excellence and continuous improvement.
Production systems are reliable, observable and operationally excellent
- Lead root cause analysis and resolution of complex production issues.
- Drive improvements in system observability, monitoring and operational performance.
- Ensure applications are designed and operated to meet reliability, availability and performance targets.
- Partner with Operations, DevOps and QA teams to maintain production stability and service quality.
- Embed a culture of operational excellence, continuous improvement and proactive issue prevention.
Technologies you will be using:
- Java 21 (LTS)
- Spring Framework 6 / Spring Boot 3.5
- Hibernate ORM 6.6+, JPA
- Apache Tomcat 11, IntelliJ IDEA
- AI Tooling (Claude, Codex, Gitlab Duo, etc)
- REST APIs, OpenAPI, Microservices, Event-driven architecture (RabbitMQ)
- Containers, Docker, AWS, Linux
- CI/CD with GitLab Pipelines
Principal Java Engineer employer: Group GTI
Group GTI is an exceptional employer that fosters a dynamic and innovative work culture in Wallingford, UK. With a strong emphasis on employee growth and collaboration, you will have the opportunity to shape cutting-edge product experiences while enjoying the flexibility of a hybrid work model. Join us to be part of a forward-thinking team dedicated to enhancing user engagement and performance for Gen Z, all within a supportive environment that values your contributions.
