Mission: 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.

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.

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. 6+, JPA Apache Tomcat 11, IntelliJ IDEA AI Tooling (Claude.