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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Developer - **Company:** NCC Group - **Location:** Cheltenham, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Software Applications, Audit Trail, User Authentication, Information Systems, Computer Programming, Node.Js, Secure Coding, Software Engineering, ReactJS, Delivery Pipeline, Technical Debt, Backend, Information Technology, Npm(Software), Front End Software Development, Api Design, Software Coding, Es2015, Servicenow - **Published:** June 3, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=fbbb743a1215c70a ## About the Role Do you have experience in Software development?, Do you have a Bachelor's degree?, * Very strong knowledge of JavaScript, NodeJS and the React framework * Experience with modern JavaScript tooling (ES6+, npm, build pipelines) * Experience designing and consuming APIs in production environments * Ability to write clean, maintainable, well-documented code * Understanding of Secure authentication & authorisation techniques * Strong knowledge of both Server and Client Side JavaScript development * General programming skills and understanding of secure software development lifecycle (SSDLC) * Excellent communication and teamwork abilities * Ability to manage multiple projects simultaneously and meet deadlines * Creative thinking and problem-solving skills Desirable Requirements * Bachelor's degree in computer science, information systems, or related field * Significant demonstrable experience specific to Full Stack JavaScript development. * Other relevant certifications. * Experience working in a security-focused environment * Knowledge of the ServiceNow Ecosystem is not a requirement, but would be useful. ## Description This role is a Full Stack JavaScript Developer is responsible for designing, building, and maintaining secure, scalable, and high quality applications that extend and enhance our ITSM platform (ServiceNow). Operating within a cybersecurity-focused Managed Services environment, this role requires strong full-stack JavaScript expertise across backend, frontend, and API development, combined with a security-first mindset. The developer will take ownership of end-to-end solutions-from requirements and design through implementation, testing, and support-working closely with ServiceNow administrators, engineers, and business stakeholders., * Application Development: Design and develop custom JavaScript applications within our ServiceNow platform to automate business processes and resolve complex operational challenges. * Requirements Gathering: Collaborate with stakeholders across the organization to understand their needs and translate them into technical solutions within ServiceNow. * Security & Compliance: Implement secure coding practices aligned to SSDLC principles, including data protection, access control, and auditability. * Customization and Integration: Customize existing applications and integrate with external systems and APIs to enhance functionality and user experience. * Quality Assurance: Conduct thorough testing of developed applications and solutions. Ensure compliance with coding standards and best practices. * Continuous Improvement: Identify technical debt and opportunities to improve platform reliability, developer experience, and delivery velocity. * Documentation and Support: Create comprehensive documentation for developed applications and provide ongoing support and enhancements based on user feedback. * Collaboration: Work closely with the System Administrators and other IT team members to ensure seamless implementation and operation of developed applications. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [Web development best practices in 2021](https://www.wearedevelopers.com/videos/280-web-development-best-practices-in-2021) ## Related Articles - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)