Job Description
Our client is a growing, mission-led consultancy delivering secure and modern software solutions across the UK Government and Defence sectors. They are now looking for an experienced Principal Full Stack Software Engineer to join their collaborative and forward-thinking engineering team.This is an exciting opportunity for a senior engineer who enjoys staying hands-on across both back-end and front-end development while also helping shape technical direction, mentoring teams, and driving engineering best practice.You will work on secure, scalable cloud-native platforms, modern web applications, APIs, and digital services that support meaningful and high-impact programmes.What Youll Be Doing Leading the design, development, and delivery of secure full-stack applications using Java, React, and modern web technologiesBuilding scalable back-end services, APIs, and distributed systemsDeveloping responsive and user-focused front-end applications using React and associated frameworksDesigning and maintaining cloud-native solutions across AWS, Azure, and private cloud environmentsDriving DevOps and automation best practices including CI/CD, containers, and infrastructure-as-codeSupporting and mentoring engineers within agile delivery teamsCollaborating closely with clients, stakeholders, architects, and multidisciplinary teams to shape technical solutionsContributing across the full software development lifecycle, from discovery and architecture through to deployment and production supportPromoting engineering excellence, clean coding standards, and continuous improvement across teamsWhat Were Looking For Strong commercial experience developing full-stack software applications using Java and modern front-end frameworks such as ReactPrevious experience operating at Senior, Lead, or Principal Engineer levelStrong understanding of software architecture, API design, and scalable distributed systemsExperience building cloud-native applications and working within AWS, Azure, or similar cloud environmentsStrong knowledge of DevOps tooling, CI/CD pipelines, containers, and automationExperience delivering secure, production-grade systems within agile teamsExcellent communication, stakeholder engagement, and technical leadership skillsPassion for balancing hands-on engineering with mentoring and leadership responsibilitiesNice to Have Experience working within Government, Defence, or National Security environmentsFamiliarity with secure or classified programmesKnowledge of ITSM or operational support environmentsExperience working within highly regulated or mission-critical sectorsWhats on Offer Flexible remote and hybrid working options37.5-hour working weekLearning & development budget for certifications, conferences, and trainingPrivate healthcareMatched pension schemeMonthly socials and quarterly company meetupsClear progression opportunities into senior technical and leadership positionsOpportunity to work on meaningful projects supporting important UK programmes and servicesDiversity & Inclusion Our client is committed to creating an inclusive environment where everyone feels supported, valued, and able to thrive. They welcome applications from individuals of all backgrounds and experiences and are proud to be an equal opportunities employer and Disability Confident organisation.Interested?
If you are an experienced Principal Full Stack Software Engineer with strong Java and React expertise and are looking for an opportunity to work on impactful technology projects within a collaborative and supportive environment, we would love to hear from you.TPBN1_UKTJ