Senior Software Developer

Senior Software Developer

Department: Cyber Services and Capabilities

Employment Type: Full Time

Location: GBR Cheltenham Jessop House

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.

Key Responsibilities

• Application Development: Design and develop custom JavaScript applications within our...