Cheltenham, England, United Kingdom Hybrid / WFH Options
Careers at MI5, MI6 and GCHQ
Senior Software Engineers Location : Cheltenham Salary: £48,782 to £58,194, including a concessionary payment of £2,658. The final amount depends on your skills and experience. You’ll also receive a one-off recruitment bonus of £3,500, split into two payments: £1,750 on arrival and £1,750 after successfully completing probation. In the future, there may … from terrorism, cyber-attacks, and espionage. At GCHQ, you’ll do varied and fascinating work in a supportive and inclusive environment that emphasises teamwork. The role As a Senior Software Engineer, you’ll play a pivotal role in solving mission-critical challenges. You’ll contribute to the architecture and design of both new and existing systems, establish and promote … best practices, and deliver high-quality software solutions. Drawing on your expertise in various softwareengineering methodologies, you’ll introduce fresh ideas and innovative approaches that make a real impact at the core of our mission: keeping the UK safe, both in the real world and online. This is a practical, impact-driven role with plenty of More ❯
A varied client facing C/C++, Linux role in cyber-defence, signal processing, and secure comms Are you an accomplished C/C++ and Linux software engineer seeking more variety and a chance to expand your skills and experience? This well-established technology consultancy provides expertise and development of advanced technologies for national security and industry clients. Due … levels, or equivalent). A relevant Master's or PhD would be advantageous Excellent communications skills: proficient in writing technical documentation and adapt at discussing complex subjects in depth Softwareengineering skills in C or C++ and Linux, demonstrated by prior work on large and complex codebases. Familiarity with common softwareengineering tools and best practice … working arrangements. A highly competitive salary is on offer to the successful candidate, and their benefits package includes a performance-based bonus and an excellent pension scheme. Keywords: Experienced Software Engineer, C, C++, Linux, Cybersecurity, Defence, Consultancy, Client-Facing, Gloucestershire Another top job from ECM, the high-tech recruitment experts. Even if this job's not quite right, do More ❯
lead the design and development of robust, scalable, and secure enterprise applications. This role is ideal for a professional who can drive innovation and excellence in our organisation's software development initiatives. Responsibilities Design and implement scalable, secure, and maintainable enterprise application architectures using Java and web technologies. Collaborate with cross functional teams to understand business and technical requirements … translating them into effective application designs. Guide the development team in best practices for software architecture, ensuring adherence to industry standards and emerging trends. Stay current with Java and web technologies, driving innovation and continuous improvement in our application development practices. Provide technical leadership and mentorship to junior architects and developers, fostering a culture of excellence and knowledge sharing. … None Preferred education Bachelor's Degree Required technical and professional expertise Proven experience in designing and implementing large scale enterprise applications using Java and web technologies. Strong understanding of software architecture principles and patterns, and experience with microservices, event driven architectures, and cloud native development. Excellent problem solving skills and the ability to analyse complex systems, identifying areas for More ❯
Cheltenham, Gloucestershire, South West, United Kingdom Hybrid / WFH Options
SF Recruitment (Tech)
Software AI Engineer with generative AI, LLM or ML experience is sought by a high growth scale up based near Cheltenham. Working at the forefront of defence and national security innovation this Software AI Engineer will work within a R&D team collaborating with industry partners to turn ideas into production ready, market leading solutions. This role would … suit a software engineer with a couple of years commercial experience within broad range of technologies and a demonstratable passion for AI/ML innovation who is looking for a truly collaborative, autonomous working environment with end to end project exposure. In return this Software AI Engineer can expect excellent career development and training opportunities within a market … leading SME. Due to the sensitive nature of the work an active MOD DV clearance is required. This Software AI Engineer based near Cheltenham should have most of the following key skills: - A softwareengineering background - Python, JavaScript, node.js, C++, etc - A real passion for bleeding edge generative AI and/or advanced machine learning technology - Very More ❯
Cheltenham, England, United Kingdom Hybrid / WFH Options
Searchability NS&D
Principal Software Engineer – National Security - SC Clearance Role: Principal Software Engineer Location: Cheltenham - Hybrid Work Clearance: SC Cleared/Eligible for SC Salary: £75,000 - £95,000 About the Role Searchability NS&D is recruiting a Principal Software Engineers to join an Agile delivery team supporting a range of complex and high-impact Central Government and Critical … National Infrastructure projects. You’ll help design, develop, and deploy bespoke software solutions that deliver real-world mission value. In this senior technical role, you’ll lead a team of software engineers, shape architectural decisions, and engage directly with senior customer stakeholders to deliver high-impact solutions. What You’ll Do Design, develop, and test robust software solutions using modern engineering practices. Work with a range of open-source libraries, frameworks, and components. Build and maintain CI/CD pipelines using tools such as GitLab , ensuring code quality and security. Deploy software systems across public (AWS) and private cloud environments. Engage in all stages of the software lifecycle — from requirements analysis to support More ❯
and enhanced DV Clearance for a prestigious client to work on a portfolio of public and private sector projects. Our client is a global leader in technology, consulting, and engineering services at the forefront of innovation to evolve the world of digital, cloud, and platforms. You’ll experience excellent career progression opportunities to develop your skillset and personal profile … Data Scientist be doing? Our client is seeking individuals with strong technical expertise in machine learning, GenAI, computer vision, and data science, alongside solid skills in solution architecture and softwareengineering to design and scale impactful solutions. This role involves working closely with clients to identify challenges, define solutions, communicate their value clearly, and lead teams to successful More ❯
Cheltenham, Gloucestershire, South West, United Kingdom Hybrid / WFH Options
SF Recruitment (Tech)
Python Software Engineer with strong container orchestration and a passion for machine learning is sought by a high growth scale up based near Cheltenham. Working at the forefront of defence and national security innovation this Python Software Engineer will work within a collaborative engineering function to build bleeding edge AI/ML enabled software solutions that … keep millions of people safe. This role would suit software engineers with experience working in an R&D/innovation focussed environment who are looking for more end to end project exposure and fast track progression opportunity This Python Software Engineer based near Cheltenham should have most of the following key skills: - Solid Python engineering skills - Containerisation … docker, Kubernetes) - Solid general Machine learning skills - PyTorch,Tensorflow etc - NoSQL database experience - Experience working in R&D or innovation focused engineering teams would be a plus - Front end skills would be useful - Angular, React etc - An active SC clearance would be a plus but not essential This Python Software Engineer will receive - Starting salary of up to More ❯
Cheltenham, Gloucestershire, United Kingdom Hybrid / WFH Options
Ripjar
Overview Ripjar specialises in the development of software and data products that help governments and organisations combat serious financial crime. Our technology is used to identify criminal activity such as money laundering enabling organisations to enforce sanctions at scale to help combat rogue entities and state actors. Team mission: Our engineering team builds software that makes the … world a safer place. We work collectively to use technology, creativity and engineering best practice to solve problems that nobody else can. What you'll be doing Join us in the fight against global financial crime. At Ripjar, our engineers are building Labyrinth Screening - an advanced AI-powered platform that helps major financial institutions detect and prevent money laundering … code fast with certainty. Harnessing the power of Labyrinth Screening to work with new types of data at scale within Ripjar's wider financial crime solutions. Responsibilities As a Software Engineer on the Labyrinth Screening team, you'll design, develop, and ship cutting-edge features that stop criminals in their tracks. Shape our scalable, multi-tenant, cloud-first architecture More ❯
Cheltenham, Gloucestershire, South West, United Kingdom
Inspired Recruitment
My client is looking for a dynamic and experienced C++ developer to contribute to an aerospace project, the role will involve working onsite 3 days per week. As a SoftwareEngineering Contractor, you will be expected to produce C++ code to produce custom plugins. Ideally you will have experience in distilling requirements from interactions with a customer, and … implementing verified robust C++ solutions in short timescales to demonstrate new capability. Key Responsibilities Software Development: Requirements definition, design, development, and verification for a variety of integrity levels, from safety critical to proof of concept. Coding to internel coding standards and ensuring high quality robust solutions. Conduct design and code reviews to maintain high-quality standards. Debugging in embedded More ❯
benefits and bonuses Cheltenham location – full time on site when required Experience required in Oracle Apex, AWS, APIs, Red Hat, Gitlab Who Are We? Our client specialises in bespoke software, cyber security, cloud computing, and lifecycle management solutions. They support clients across the full system lifecycle, from design and integration to sustainment and decommissioning, focusing on agile, collaborative, and … Engineer to have: Active enhanced DV Clearance (West) Willing to work full time on site in Cheltenham when required Expertise within one of the following: Versatile Lead Engineer – Broad softwareengineering background within the customer’s IT estate. Comfortable quickly learning APEX on the job. Oracle – Expertise in Oracle (19c), web applications built with APEX (21–24) and More ❯
Cheltenham, England, United Kingdom Hybrid / WFH Options
RedRock Resourcing
Senior Software Engineer - Go/React/AWS - Remote - New Role A leading organisation in the Gloucestershire area requires a Senior Software Engineer to join its growing team. Suitable candidates will have strong Go and React experience coupled with AWS experience. The successful candidate will have the following: Substantial experience in full stack development (Go). Proficiency in More ❯
Cheltenham, Gloucestershire, England, United Kingdom Hybrid / WFH Options
Computer Futures
Full Stack Software Engineers - Engineer the Future from Anywhere in the UK Roles Available: Mid-Level, Senior, and Principal Engineers Location: Remote-First (UK-Based) Salary: Up to £80,000 DOE + Excellent Benefits Clearance: SC Clearable (British Citizen, UK residency for 5+ years) Are you ready to build software that powers real-world impact? Join a fast … visibility projects that blend cutting-edge technology with meaningful outcomes. Why This Role Stands Out This isn't just another dev job. You'll be part of a collaborative engineering culture that values curiosity, autonomy, and technical excellence. You'll work on projects that span: AI & Machine Learning Integration - powering smarter, data-driven decisions. Cloud-Native Architecture - building scalable … microservices on AWS. Secure Systems Engineering - delivering robust solutions for regulated sectors. Modern Front-End Development - crafting intuitive, responsive user experiences. You'll have the freedom to innovate, the support to grow, and the tools to succeed - all within a remote-first environment that puts flexibility and trust at the core. What You'll Be Building Intelligent platforms that More ❯
Cheltenham, Gloucestershire, South West, United Kingdom
Omega Resource Group
AD4851.c (linux/drivers/iio/adc/ad4851.c) • Device driver writing experience which can be used to make an alternative. • Python experience Candidates who are currently a Software Engineer, Embedded Software Engineer, Software Development Engineer, Firmware Engineer and Software Consultant could be suitable for this role. To make an application for this role please … call 01453829529. For details of other opportunities available within your chose field please visit our website Omega is an employment agency specialising in opportunities at all levels within the Engineering, Manufacturing, Aerospace, Automotive, Electronics, Defence, Scientific, Energy & Renewables and Tech sectors. More ❯
About the Role An exciting opportunity has arisen for skilled Software Engineers to join a growing team in Gloucester, working at the forefront of UK defence and security projects. This is a chance to make a real impact — contributing to critical solutions that protect the nation while developing your technical expertise in an inclusive, innovative environment. The organisation is … part in community engagement and outreach activities, supporting local initiatives to build tech and cyber skills across the region. What You’ll Be Doing Designing, coding, testing, and documenting software components that form part of secure and scalable information or communication systems. Providing accurate estimates for development effort and delivering high-quality code to agreed specifications. Developing software … skills, with the ability to collaborate effectively and share knowledge across teams. Why Join This is a unique opportunity to contribute to high-impact defence and security initiatives, developing software that plays a vital role in keeping the UK safe.. Additional Information Due to the nature of the work, all applicants must be eligible to obtain UK Security Clearance More ❯
Cheltenham, Gloucestershire, Montpellier, United Kingdom
CBSbutler Holdings Limited trading as CBSbutler
Software Engineer - UK*C DV Salary: £40,000 - £75,000 DoE Location: Cheltenham - expect to attend site five days a week Clearance: Must hold current UK*C DV The company: Cyber Security and National Security SME. The company is large enough to offer stability, expert support and career progression while enabling you to work with a large degree of More ❯
Cheltenham, Gloucestershire, South West, United Kingdom
Fortice Ltd
Are you an enthusiastic, well-rounded, mid-to-lead Software Engineer, eager to grow the breadth and depth of your technical abilities, and enhance your responsibilities, working at the sharp end of missions in the NatSec domain? Are you happy to work "high-side", on-site 3-5 days/week? And... do you have experience with a few More ❯
Are you an enthusiastic, well-rounded, mid-to-lead Software Engineer, eager to grow the breadth and depth of your technical abilities, and enhance your responsibilities, working at the sharp end of missions in the NatSec domain? Are you happy to work "high-side", on-site 3-5 days/week? And do you have experience with a few More ❯
a unique technology start-up in Cheltenham who are looking to secure a talent front-end SW Engineer to develop a functional but attractive (sexy) user interface for their engineering products. The work involves developing platforms and services for the products involving temporal imagery, datasets and hardware/sensor data. ROLE: Front-end Software Engineer LOCATION: Cheltenham SALARY More ❯
Our established client is seeking a C++ (embedded) Software Engineer to join their team. The successful candidate will work on exciting, complex projects involving new technologies on state of the art systems. You must be degree educated in either Engineering or a Numerical science, with 5 years+ of industry experience. Essential skills include embedded C++ on Linux, desirable More ❯
contract (outside IR35) to help during a busy period. The work involves embedded C development on Nordic micros. Some bare-metal work and some running Zephyr RTOS. ROLE: Embedded Software Engineer LOCATION: Cheltenham DURATION: 3 months START: Immediate RATE: up to £55ph (Outside IR35) Skills required for the Embedded Software Engineer are: Embedded C Nordic micros (Zephyr RTOS More ❯
Cheltenham, Gloucestershire, United Kingdom Hybrid / WFH Options
Circuit32 Recruitment Solutions Ltd
I'm recruiting for a brand-new tech start-up in Cheltenham who are looking for an Embedded Software Engineer to help develop their range of products. The work involves low-level (some bare-metal and some RTOS) embedded C development on ARM micros for products used in harsh-environments across the globe. ROLE: Embedded Software Engineer LOCATION … Cheltenham SALARY: up to £60k START: ASAP Skills required for the Embedded Software Engineer are: Embedded C ARM-based microcontrollers Bare-metal and RTOS development Communications protocols (UART/I2C/SPI) BLE/WiFi/GPRS interfacing Whilst the majority of work will be done on-site in Cheltenham, the business can offer flexibility with occasional remote working More ❯