Senior Software Engineer

We're hiring on behalf of a Haystack partner! The Role Play a critical role in the sustainment of current environments and delivery of new capabilities. Develop solutions to complex technical issues, regularly employing ingenuity and creativity. Deliver high-quality, production-ready software through hands-on development (backend and frontend). Contribute to full-stack delivery, including Java backend services/REST APIs and modern single-page applications using React/TypeScript or equivalent frameworks. Ensure adherence to established code review standards, quality gates, and maintain the build/deployment pipeline. Mentor and support less experienced engineers through technical guidance, code reviews, and coaching. What You'll Need 10+ years of software engineering experience with substantial hands-on delivery. Strong experience with Java (Java 8 and modern versions like 17 and 21) and REST API design/implementation. Modern SPA development experience using React, TypeScript, Angular, or Vue. Strong understanding of design patterns and a structured approach to software development. Proven experience delivering complex changes in production environments. Familiarity with Agile software development processes, CI/CD concepts, and relevant tooling (e.g., Atlassian suite). What's On Offer Contributory Pension Scheme. Private Medical Insurance. 33 days Annual Leave (including public and privilege holidays). Access to Flexible benefits (life assurance, health schemes, gym memberships, annual buy and sell holidays, cycle to work scheme). Flexi-Time Working. Apply via Haystack today!