5 jobs found

Lead Full Stack Java Developer - SC Cleared NEW PERMANENT OPPORTUNITY FOR A LEAD FULL-STACK JAVA DEVELOPER IN LONDON WITH SC CLEARANCE Location: London (Hybrid) Salary: £80,000 - £95,000 per annum Clearance: Active SC Clearance required To apply: email The Company Join a specialist technology consultancy delivering complex, mission-critical projects across UK Government and national security sectors. You'll be part of a collaborative, engineering-focused environment where innovation, reliability, and technical excellence drive everything they do. Their teams work closely with public sector clients to design, build, and modernise secure systems that underpin national operations - tackling some of the most demanding challenges in government technology. The Role As a Lead Full Stack Java Developer , you will guide a small team of engineers while remaining hands-on in the design and development of high-performance, secure applications. You'll play a key role across the full software lifecycle - from architecture and development to deployment and continuous improvement - ensuring solutions meet stringent performance and security standards. You'll work in a dynamic environment, collaborating with architects, DevOps specialists, and delivery leads to drive best practices and technical excellence across projects. Key Responsibilities Lead a team of developers delivering scalable, secure full-stack solutions for critical government systems. Design, build, and maintain Java-based back-end services and modern front-end interfaces. Collaborate with architects and technical leads to define system design and integration patterns. Ensure code quality, maintainability, and performance through code reviews and mentoring. Contribute to DevOps pipelines and CI/CD practices in secure environments. Champion engineering best practices and continuous improvement within the team. Skills & Experience Essential: Active SC Clearance (or eligible and willing to undergo clearance). Strong Java and Spring Boot development experience. Proven experience delivering full-stack solutions (e.g. React, Angular, or Vue). Good knowledge of microservices , RESTful APIs , and containerisation (Docker/Kubernetes). Experience working with AWS or other cloud environments. Understanding of secure software design and deployment in government or defence contexts. Excellent communication, leadership, and mentoring skills. Desirable: Experience with CI/CD pipelines (e.g. Jenkins, GitLab CI). Familiarity with infrastructure-as-code (Terraform, Ansible). Exposure to Agile and DevSecOps delivery models. Why Apply? High-impact work on systems that directly support UK Government missions. Technical autonomy and input into architecture and design decisions. Collaborative culture with a focus on professional growth. Competitive salary and comprehensive benefits package. If you're an experienced Full Stack Java Developer with SC Clearance who thrives on tackling complex challenges and leading technical teams, this is a chance to make a meaningful impact on projects that truly matter. Apply now to discuss this opportunity in more detail.

SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW PERMANENT JOB OPPORTUNITY AVAILABLE WITHIN A GLOBALLY LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Permanent job opportunity for a Senior Software Engineer Globally leading defence / cyber security company Salary up to £100,000 plus clearance bonus London based organisation in an easily accessible location Permanent Software Engineer To apply please call / or email WHO WE ARE? We are recruiting Senior and Lead Software Engineers to work with a multi-national, industry leading National Security client in central London. Due to the nature of the work you must hold enhanced DV Security Clearance. WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver packages of bespoke work, work development teams and liaise with customers. You will work through the entire software development life cycle from requirements capture to R&D, implementation to automation. WE NEED THE SENIOR SOFTWARE ENGINEER TO HAVE . Current enhanced DV clearance Experience with at least one or more of the following: Java, Python, C++, .NET, C#, JavaScript, React Experience mentoring juniors or leading a team Experience / Knowledge of automation IT WOULD BE NICE FOR THE SENIOR SOFTWARE ENGINEER TO HAVE . Cloud based experience Microservice architecture or server-less architecture Big Data / Messaging technologies such as Apache Nifi / MiNiFi / Kafka TO BE CONSIDERED . Please either apply by clicking online or emailing me directly to For further information please call me on . I can make myself available outside of normal working hours to suit from 7am until 10pm. If unavailable please leave a message and either myself or one of my colleagues will respond. By applying for this role you give express consent for us to process & submit (subject to required skills) your application to our client in conjunction with this vacancy only. Also feel free to connect with me on LinkedIn, just search Dominic Barbet. I look forward to hearing from you. SENIOR SOFTWARE ENGINEER - DV CLEARED KEY SKILLS: SENIOR SOFTWARE ENGINEER / SENIOR SOFTWARE DEVELOPER LEAD SOFTWARE ENGINEER / JAVA DEVELOPER / JAVA ENGINEER / LEAD SOFTWARE DEVELOPER / SENIOR SOFTWARE DEVELOPER / DV CLEARED / DV CLEARANCE / DEVELOPPED VETTING / DEVELOPED VETTED / DEEP VETTING / DEEP VETTED / SC CLEARED / SC CLEARANCE / SECURITY CLEARED / SECURITY CLEARANCE

LEAD SOFTWARE DEVELOPER - SC CLEARED NEW PERMANENT OPPORTUNITY IN LONDON FOR A SECURITY CLEARED LEAD DEVELOPER Exciting new opportunity for a Lead Developer to work on UK Govt. projects SC Clearance required Based in London (Hybrid - 1 day per fortnight in the office) Salary up to £90,000 + company benefits To apply, email: The Company Join a leading UK consultancy delivering innovative software solutions for high-profile government projects. You'll work alongside talented engineers and consultants to design, build, and deploy systems that make a real impact on national-scale initiatives. The Role We're looking for an experienced Lead Software Developer to take technical ownership of full-stack solutions across multiple government programmes. You'll guide teams through the entire software development lifecycle - from architecture and design through to implementation and delivery - ensuring best practices, scalability, and security throughout. This is a hands-on leadership position where you'll balance technical delivery with mentoring and architectural direction. Key Responsibilities Lead the design, development, and deployment of full-stack applications using Java, React, JavaScript , and AWS . Provide technical leadership and direction to development teams. Collaborate with architects, product owners, and stakeholders to deliver secure and scalable solutions. Champion best practices in agile delivery, CI/CD, testing, and cloud-native development. Support and mentor junior and mid-level developers. Ensure all solutions meet government and security compliance standards. Skills & Experience Essential: Active SC Clearance . Strong background in Java and React development. Proficiency with AWS and modern JavaScript frameworks. Experience leading technical teams or projects in an agile environment. Excellent problem-solving, communication, and stakeholder engagement skills. Desirable: Previous experience working in a consultancy or client-facing environment. Exposure to UK Government or public sector projects. Knowledge of microservices architecture, DevOps practices, and automation tooling. Why Join Work on high-impact government projects with real-world significance. Join a collaborative consultancy that values innovation, integrity, and growth. Hybrid working - just 1 day per fortnight in the London office . Competitive salary, training, and professional development support. Ready to take the lead on meaningful projects? Apply now to join a team where your technical expertise drives lasting impact.

PRINCIPAL SOFTWARE ENGINEER - DV CLEARED BRAND NEW PERMANENT JOB OPPORTUNITY AVAILABLE WITHIN A LEADING SOFTWARE CONSULTANCY FOR A SOFTWARE TEAM LEAD WITH ENHANCED DV CLEARANCE Permanent job opportunity for a Software Team Lead Leading National Security consultancy Salary up to £100,000 + Benefits + Clearance Bonus London based organisation in an easily accessible location To apply please call / or email WHO WE ARE? We are recruiting a Software Team Lead to work with a leading consultancy in London. We support Central Government, Defence and Law Enforcement customers across the UK with Software, Digital and Data products and tools to help keep the UK safe. Due to the nature of the work and the customers, you must hold enhanced DV Security Clearance. WHAT WILL THE SOFTWARE TEAM LEAD BE DOING? As a Software Team Lead, you will act as a Lead Technologist and work hand in hand with the engineering and product teams, leading the design and development. It will you be your job to design and deliver scalable software both in the cloud, and on-premise. You'll play a pivotal role in the design and direction of our products, and you'll engage with key customers to understand their needs and shape them into an effective product and technology roadmap. WE NEED THE SOFTWARE TEAM LEAD TO HAVE . Current DV clearance (Enhanced) We're looking for deep and broad experience in building and designing software Natural Technical leadership skills Solid understanding and experience with modern DevOps methodology Experience working in the National Security domain Excellent communication skills, both written and verbal Experience scaling, leading and mentoring development teams Experience with public cloud technologies Experience translating user requirements into technical requirements Must be able to use a wide variety of open-source technologies Experience with CI and analysis systems Experience with Bids and Tenders is preferred but not essential TO BE CONSIDERED . Please either apply by clicking online or emailing me directly to For further information please call me on or . I can make myself available outside of normal working hours to suit from 7am until 10pm. If unavailable please leave a message and either myself or one of my colleagues will respond. By applying for this role you give express consent for us to process & submit (subject to required skills) your application to our client in conjunction with this vacancy only. Also feel free to connect with me on LinkedIn, just search Dominic Barbet. I look forward to hearing from you. SOFTWARE TEAM LEAD - DV CLEARED KEY SKILLS: SENIOR SOFTWARE ENGINEER / SENIOR SOFTWARE DEVELOPER / LEAD SOFTWARE ENGINEER / JAVA DEVELOPER / JAVA ENGINEER / LEAD SOFTWARE DEVELOPER / SENIOR SOFTWARE DEVELOPER / DV CLEARED / DV CLEARANCE / DEVELOPPED VETTING / DEVELOPED VETTED / DEEP VETTING / DEEP VETTED / SC CLEARED / SC CLEARANCE / SECURITY CLEARED / SECURITY CLEARANCE

Front End Developer (SC Cleared) Location: Ipswich (100% On-site) Contract Length: 6 Months Security Clearance: Active SC Clearance Required (Immediate Start) The Role We are seeking a highly skilled Front End Developer with a strong software engineering background to lead the modernization of our application suite at Adastral Park. This is a hands-on role where you will be responsible for transitioning existing applications to a TypeScript and React baseline, utilizing our established internal boilerplate to drive security, performance, and development efficiencies. As a key contributor in an Agile environment, you won't just be coding; you will be the bridge between technical execution and product vision-capturing requirements directly from Product Owners and translating them into high-quality, version-controlled software. Core Objectives Modernization: Align legacy applications with our current TypeScript/React baseline and internal standards. Security & Efficiency: Enhance application security protocols and streamline front-end performance. End-to-End Delivery: Manage the full development lifecycle, from requirement capture in JIRA to final stakeholder demos. Agile Leadership: Drive sprint ceremonies and maintain transparency through regular progress demonstrations. Key Responsibilities Technical Audit: Assess and document the current state of existing applications to identify rewrite constraints. Requirement Engineering: Collaborate with Product Owners to define features and break them down into actionable JIRA stories. Development: Execute the re-write of applications using React and TypeScript, ensuring strict adherence to version control and coding standards. Collaboration: Participate in all Agile ceremonies (stand-ups, retrospectives, and planning) and lead demos for stakeholders. Documentation: Ensure all technical documentation is updated to reflect the new architecture and deployment workflows. Technical Requirements Core Stack: Expert-level proficiency in React and TypeScript . Engineering Excellence: A deep background in software engineering principles (DRY, SOLID, Modular Design). Tooling: Experience with JIRA for task management and Git for version control. Standardization: Proven experience working with "Boilerplate" architectures to ensure consistency across large-scale projects. Process: Strong familiarity with Agile methodologies and the full SDLC. Mandatory Criteria Security Clearance: You must hold current and active SC Clearance due to the nature of the site and data. On-site Presence: This role requires being on-site 5 days a week at Ipswich. No remote/hybrid options are available for this initial 6-month term. Availability: Immediate start preferred. Randstad Technologies is acting as an Employment Business in relation to this vacancy.