1 to 25 of 42 Permanent Software Engineering Jobs in Cheltenham

opportunity has arisen for a Software Developer/Software Engineer to join an innovative technology organisation delivering complex software solutions for customers across a specialist technical environment. As a Software Developer/Software Engineer , you will design, develop and maintain high-performance backend solutions using … application. You will be responsible for: Designing, developing and maintaining backend applications using C++ and Java within Linux environments. Leading the technical development of software components, services and APIs. Producing reliable, scalable and maintainable code with a strong focus on performance and security. Providing technical guidance and mentoring ...

opportunity has arisen for a Software Developer/Software Engineer to join an innovative technology organisation delivering complex software solutions for customers across a specialist technical environment. As a Software Developer/Software Engineer , you will design, develop and maintain high-performance backend solutions using … application. You will be responsible for: Designing, developing and maintaining backend applications using C++ and Java within Linux environments. Leading the technical development of software components, services and APIs. Producing reliable, scalable and maintainable code with a strong focus on performance and security. Providing technical guidance and mentoring ...

Software Engineer - Cybersecurity & Applied Research - Cheltenham (Software Engineer, Cybersecurity, Secure Coding, Systems Programming, Windows, Linux, Low-Level Development, Desktop Development, Applied Research, Software Security, C++, C#, Python, Rust, Go, Node.js, .NET Core, Software Engineer) An exciting opportunity has arisen for a Software Engineer to join … forward-thinking technology organisation working at the intersection of software engineering, cybersecurity and applied research. You will work on challenging technical problems, developing software and research-driven solutions across areas including secure software development, systems programming, desktop applications and low-level technologies. This is a hands ...

tools and brilliant people. Everyone has access to unparalleled professional and personal development opportunities and your contribution is always valued. Why this job mattersThe Software Engineering Professional supports the execution of the software engineering strategy and roadmap that supports BT's commercial strategy through cross functional … project and technical delivery and the participation of a team that pursues innovation as well as engineering excellence. Security isn't always the first thing that comes to mind when you think of BT, but when it comes to keeping everyone safely connected, We Are the Protectors. We deal ...

2025a prestigious recognition that highlights our commitment to creating an outstanding workplace where innovation, collaboration, and personal growth thrive. The Role As a Software Engineer, you will design, develop, integrate and maintain secure software services and mission-critical applications within classified government environments. Working across full-stack … backend engineering, you will contribute to building modern, secure digital solutions across complex HMG technology estates. Youll operate within multi-disciplinary Agile teams, collaborating closely with DevOps engineers, test engineers, architects, data specialists and mission analysts to deliver high-quality, production-grade software. This role is ideal for someone ...

Senior Software Developer (Java/C++) Active SC Clearance required Salary: Up to £78,000 + Excellent Benefits Location: Gloustershire The Opportunity An exciting opportunity has arisen for an experienced Software Developer to join a highly skilled engineering team delivering complex, high-performance software solutions. This … role in the design and development of scalable backend systems. You'll work with modern technologies across Linux environments, contributing to the full software development lifecycle while collaborating with technical stakeholders and mentoring fellow engineers. Key Responsibilities Design, develop and maintain high-performance backend applications using Java and C++ ...

Description Job Title: Software Engineering Specialist Req ID: 61055 Job Function: Security Posting Start Date: 08/09/2026 Posting End Date: 18/09/2026 Division: UK Business Job Location: GBR Cheltenham - Stw On Wld TE, GBR Ipswich ATE, GBR London - 5 Canada Square … years to obtain clearance. We intend to expand our team extensively, so we would love to connect with people who have strong IT and engineering skills, and a genuine passion for building, designing, and securing modern technology platforms. We operate in a software‐defined, automation‐first environment, where ...

organisation developing highly secure, scalable and automated platforms for some of the UK's most demanding technical environments. This is a genuinely hands-on engineering role sitting across Platform Engineering, DevOps, DevSecOps, Cloud Infrastructure and Software Delivery. You will be working with modern cloud-native technologies … design, build and maintain resilient platforms, automate infrastructure and deployment processes and help engineering teams deliver software securely and efficiently. The environment is highly technical, fast-moving and low on unnecessary bureaucracy, with the opportunity to work on complex projects where security, performance and reliability genuinely matter. Package ...

description: Are you an experienced Senior Software Engineer or Technical Lead who enjoys remaining hands-on while guiding teams and shaping technical solutions? A leading specialist technical consultancy is looking for a Software Technical Lead to join a live Central Government project. You will work within a collaborative … Agile team, building bespoke software that solves complex operational challenges. What youll be doing Leading and supporting a team of software engineers Designing, developing and testing bespoke software solutions Providing technical direction and communicating clearly with clients Producing solution architectures and technical designs Building full-stack applications ...

reliable, and effectively integrated into business workflows to automate tasks and gain insights from data. Key responsibilities include refining model code for performance, ensuring software maturity, and solving complex technical hurdles during the transition from prototype to product. You will influence technical decisions within the team, mentor junior members … Model Maturation & Delivery: Design, build, and refactor complex machine learning models, ensuring they move from experimental stages to high- quality, high-performance production software. Software Engineering for AI: Take the output from research activities and "harden" the software to achieve higher TRLs suitable for deployment ...

latest generative and adversarial techniques and keen to keep learning as the field moves. You'll bring a general understanding of software engineering alongside your ML knowledge and enjoy research, experimenting with new approaches and figuring out how they translate into practical capability for our customers. … into a close-knit, high-performing team. Required Skills Technical Expertise: Solid understanding of machine learning algorithms and frameworks with a general grounding in software engineering practices and a genuine curiosity about how ML models work. Python: Strong proficiency and hands-on programming experience in Python are required. ...

hackajob is partnering directly with CoreTech Security to hire for this role. Our Capability Development team develops bespoke software for our clients in the Cyber Security domain. We may be building assured software that prioritises engineering rigour and reliability, rapid solutions that bring together existing tooling … engineers who are comfortable adapting to different technical contexts and choosing appropriate tools for the problem at hand. This role is aimed at software engineers with experience delivering software projects using interpreted languages and modern development practices. You may have worked with languages such as Python, Rust, JavaScript ...

code, DevSecOps practices and developer enablement. You will work across a range of customer and internal platforms, helping to build reliable delivery pipelines, secure engineering workflows and resilient infrastructure. You will be comfortable operating at the intersection of software engineering, cloud infrastructure and security, using automation … remove friction and enable teams to deliver safely and efficiently. Responsibilities Design, build and maintain secure cloud-native platforms that enable rapid and reliable software delivery. Develop and improve automation frameworks for infrastructure provisioning, configuration management and operational workflows. Build and maintain CI/CD pipelines with security integrated ...

clients in the UK. In practice, this means that we have built a world-class team of vulnerability researchers, reverse engineers, and high-assurance software engineers. CoreTech is looking for talented individuals with an active interest in subjects such as reverse engineering, hardware teardown and cyber engineering … operational needs of our clients. Our team is highly experienced, deeply technical and has a rich history of blending rapid prototyping, security research and software engineering skills. Our Operational Research team use a blend of technical skillsets, state of the art tooling and creative innovation to achieve ...

Senior C/C++ Software Engineer – Cheltenham, UK Up to £85,000 Depending on Experience Hybrid working, 3 days onsite with flexibility DV clearance required About the Client Our client is a well-established and highly technical software business, known for delivering complex, high-performance systems across multiple … platforms. Their engineering teams are collaborative, quality driven, and focused on solving challenging problems. Due to continued growth, they are looking for an experienced Senior C/C++ Software Engineer to join their team. The Benefits Annual cash bonus Private medical cover High employer pension contribution Enhanced parental ...

Senior Software Test Engineer (Python & Embedded Systems) Salary: Up to £75,000 per annum, depending on experience Location: Predominantly remote, with occasional visits to Farnborough Security Requirements: Sole UK National | Eligible for SC Clearance, with the ability to progress to DV Clearance Are you looking for a better work … want greater flexibility with less time spent on-site, this could be the opportunity you're looking for. We're seeking a Senior Software Test Engineer with a strong background in embedded software and firmware testing to help ensure the quality, reliability and performance of complex device-based ...

bespoke solutions to some of the most interesting cyber security clients in the UK. We have built a world-class team of high-assurance software engineers and researchers who are passionate about pushing the boundaries of security innovation. By working closely with your peers in small, usually … sort of person we'd love to see at CoreTech. The Opportunity We're seeking talented graduates with an active interest in multi-platform software engineering to join our world-class research and development team in September 2027. CoreTech Academy As a CoreTech graduate you will be enrolled ...

Software Engineer | Cheltenham | Permanent | SC Clearance Build secure, mission-critical technology that makes a real-world impact. We're seeking a Software Engineer with strong Kotlin and Android development experience to join a high-performing team delivering innovative digital solutions within secure environments. You'll work alongside talented … robust Android applications using Kotlin and Jetpack Compose Building scalable backend services using Rust, Python, or Go Designing and consuming web APIs and modern software architectures Working with Docker, CI/CD pipelines, and DevOps best practices Collaborating with cross-functional teams to solve complex technical challenges Developing proof ...

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 … client is seeking individuals with strong technical expertise in machine learning, GenAI, computer vision, and data science, alongside solid skills in solution architecture and software engineering to design and scale impactful solutions. This role involves working closely with clients to identify challenges, define solutions, communicate their value clearly ...

research into the most interesting cyber security clients in the UK. CoreTech is looking for candidates with a bug hunting, ethical hacking or reverse engineering background to join our vulnerability research team. We deliver bespoke and innovative solutions which enable the operational needs of our clients. Our team … highly experienced, deeply technical and has a rich history of blending rapid prototyping, security research and software engineering skills. Our Research team use Ghidra as our tool of choice for reverse engineering and produce proof of concepts in the most suitable language for the project which could ...

Group is seeking an Software Engineering Specialist in the UK to join a security-focused team. The role involves building automated CI/CD pipelines, embedding IaC, and ensuring security is integrated from design through production. The position requires DV clearance and on-site work across multiple … locations. You will work in a fast-paced, highly automated software-defined environment, collaborating with cross-functional teams to deliver resilient platforms at scale and improve delivery #J-18808-Ljbffr ...

Developing and managing product backlogs, user stories and acceptance criteria Driving improvements in Agile delivery, stakeholder forums and governance processes Collaborating with data, UX, software and platform teams to deliver mission-aligned solutions Job Responsibilities Elicit, analyse and manage business, user, data and technical requirements, ensuring they are clearly … effective decision-making. Drive continuous improvement in Agile ways of working, governance and team collaboration. Act as a bridge between business, design, data and engineering teams, ensuring solutions align with user needs and operational context. Support testing and assurance activities by clarifying expected behaviours, acceptance criteria and business rules. ...

Raytheon UK have a full time, permanent opportunity for a Principal Software Engineer to join our team on our Manchester or Gloucester sites within a hybrid working pattern. As Principal Software Engineer, you have the opportunity to focus on technical work or have a mixture of technical focus … people management focus - guiding and developing our more junior members of the team. Either way, you'll be a part of our experienced software dev function, working in a cross-functional team, delivering and deploying critical software across a variety of business areas. Due to the interesting work ...

join our team. Our team is highly experienced, deeply technical and passionate about delivering quality solutions that blend rapid development, security research and software engineering skills. Our Research team uses a wide range of tools, programming languages and emerging technologies to develop rapid prototypes, minimal viable products … with a technologist, scientific or mathematical background. As part of our team, you will Work alongside hugely talented and respected researchers, vulnerability researchers and software engineers. Tackle a wide range of challenging problems using various technologies. Conduct cutting-edge, novel and world-leading research. Design and produce niche solutions ...

solutions which enable the operational needs of our clients. Our team is highly experienced, deeplytechnicaland has a rich history of blending rapid prototyping, securityresearchand software engineering skills. Having worked in the industry already you will understand exactly what is required to be successful in this role and what … vulnerabilities is fully realised. Typical tasks may include Developing capability andexploitsacross a variety of architectures. Analysing and defeating existing and future mitigation techniques. Reverse engineering binaries. Designing and productising solutions with immediate real-world impact. Growing the teams capabilities by developing novel tools and strategies. Working in tandem with ...