Frontend Engineer

United Kingdom NXA Talent LTD Frontend Engineer - JavaScript, React JS, Node JS Leeds/Manchester/London - 2 days per week in the office 12 Month contract £450 Inside IR35 Working with a leading bank helping shape and enhance an Internal Developer Platform through secure software development, automation, cloud technologies, and live service support. Role Responsibilities * Own and lead features within the Internal Developer Portal using the Jira Align framework. * Design, develop, and maintain frontend applications using React, JavaScript, and TypeScript. * Write high-quality, secure code and contribute hands-on to development activities. * Develop reusable components, automated testing frameworks, and technical documentation. * Integrate RESTful APIs and support CI/CD-driven delivery pipelines. * Collaborate with internal teams, third-party suppliers, and business stakeholders. * Participate in code reviews and drive continuous improvement across shared codebases. * Provide mentoring and technical leadership to junior team members. * Support live production services, resolve incidents, and implement long-term fixes. * Contribute to platform roadmaps and help deliver integrated developer experience solutions. Experience Required * Strong commercial experience with React, JavaScript, TypeScript, and Node.js. * Experience building and deploying applications in Azure and/or GCP environments. * Expertise in automated testing using tools such as Playwright, Cypress, Selenium, or Jest. * Experience integrating REST APIs into frontend applications. * Strong understanding of CI/CD pipelines, Git, and GitHub. * Knowledge of secure development practices, secrets management, and DevSecOps principles. * Excellent stakeholder management and communication skills, with the ability to engage technical and non-technical audiences. Desirable Skills * Terraform and Infrastructure as Code (IaC) * Kubernetes * PostgreSQL * DevOps practices * Backstage/Internal Developer Portals