Java Full Stack Developer delivering scalable RESTful APIs and responsive user interfaces for financial services. Collaborating with teams to enhance client experiences in the UK.
Responsibilities
Collaborate with product managers, designers, and engineers to translate business requirements into solutions.
Design, build, and maintain scalable RESTful APIs using Java (Java 11+) and Spring Boot/Quarkus.
Integrate backend services with relational and NoSQL databases (PostgreSQL, MySQL, MongoDB, DynamoDB).
Ensure backend security using OAuth2, JWT, HTTPS and API security best practices.
Develop responsive, accessible user interfaces using React.js, TypeScript, and modern front-end workflows.
Integrate UIs with backend APIs, including real-time or data-intensive features.
Implement UI performance, security, accessibility, and compliance best practices.
Write automated unit, integration, and contract tests.
Participate in code reviews and contribute to architecture improvements.
Package and deploy backend services using CI/CD pipelines (Jenkins, GitHub Actions, GitLab CI, CircleCI).
Work with DevOps teams on containerization, orchestration, and environment management (Docker, Kubernetes, AWS).
Monitor APIs in production using logs, metrics, dashboards, and alerting tools.
Requirements
Strong Java development skills (Java 11+ preferred).
Proven experience building RESTful APIs using Spring Boot, Quarkus, or similar frameworks.
Knowledge of API security best practices, including OAuth2, JWT, and HTTPS.
Strong proficiency in JavaScript (ES6+) and TypeScript.
Experience building production-grade React applications.
Experience with state management tools (e.g., Redux, Zustand, or Context API).
Understanding of responsive design, accessibility (WCAG), and cross-browser compatibility.
Familiarity with CI/CD concepts and tools (e.g., Git, Jenkins, Docker, Kubernetes, Helm).
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