22 of 22 Permanent Senior Software Engineer Jobs in Cheltenham

highest level of UK Government clearance. Location: Cheltenham, Gloucestershire, United Kingdom About Your Opportunity: This role supports the ever increasing need to protect our national security through development of software applications in an Agile environment to collect data, analyse it and allow our customers to make informed decisions. An exciting opportunity to work on cutting-edge technology and to … for ongoing professional development and career growth opportunities. Your Responsibilities: Perform hands-on development and actively contribute to the code base including peer review of code. Perform design of software features to realise the product road map and be able to explain design choices. Support breaking down of large pieces of work into well-defined tasks to be implemented … Automated Deployment: Jenkins, Docker, OpenShift or Kubernetes. Database Technologies: SQL, Elasticsearch or MongoDB. Testing Technologies: Cypress, Selenium or Cucumber. Your Future Team: “My purpose; to lead a team of software engineers with the brightest minds, to push the boundaries and define possible together.” Rishi Badiani – Head of Software Engineering @ Northrop Grumman UK A truly Agile development team that More ❯

Senior Software Engineer Location: Cheltenham, London or Manchester (Flexible & Hybrid Working Available) Salary - £60,000 - £90,000 + excellent benefits + bonus Clearance - Active eDV security clearance required This isn’t just another software engineering role—it’s an opportunity to be part of something bigger. As a Senior Software Engineer , you’ll … with cutting-edge technology, and contribute to solutions that have real-world impact. What You’ll Do: Write clean, efficient, and maintainable code while contributing to peer reviews Design software features that align with product roadmaps and explain design choices Break down large development tasks into manageable Agile sprints Set up and maintain Continuous Integration & Deployment (CI/CD More ❯

Job Description: Senior Software Engineer Tech Stack: C#, .NET, Microservices, Docker, Kubernetes, AWS/Azure United Kingdom Full Remote: Perm Role Salary: £85,000 - £110,000 Harrington Starr has partnered with an innovative start up FinTech who specialise in providing market access and data from their ultra low-latency platform to financial service firms, leading exchanges and … single dealers across digital assets, FIX and more. They are looking to hire a Senior C#, .NET Engineer with strong experience in start-up/scale up firms, able to take ownership of developing new applications, adding features to existing systems and contributing to the growth and success of the companies core products. Key Requirements: Extensive C#, .NET … confidential phone call to discuss this opportunity in further detail, please apply below or send through a copy of your up-to-date CV via email to [emailprotected] . Senior Software Engineer Tech Stack: C#, .NET, Microservices, Docker, Kubernetes, AWS/Azure United Kingdom Full Remote: Perm Role Salary: £85,000 - £110,000 Harrington Starr has partnered More ❯

SENIOR SOFTWARE ENGINEER - eDV CLEARED KEY POINTS National Security sector £65,000 - £95,000 + Package Cheltenham office Hybrid work (2 days per week WFH) Must hold enhanced DV Clearance OVERVIEW Working with cutting-edge technology to tackle some of the biggest National Security challenges in the UK Performing hands-on development and contributing to the code … base including peer review Performing the design of software features Supporting the breaking down of large pieces of work into well-defined tasks Supporting the setup and maintenance of CI and deployment pipelines . ESSENTIAL SKILL SET Expertise using Java, JavaScript, C++ or Python Experience using Cloud-based architecture, AWS or Azure DevOps Automated Tools, Jenkins, Docker, OpenShift or More ❯

Senior to Principal Software Engineers - DV cleared Join or sign in to find your next job Join to apply for the Senior to Principal Software Engineers - DV cleared role at DATA+ Role Overview We are hiring Software Engineers across various levels (Senior, Lead, and Principal) to support high-priority defence and national security programmes. … in Cheltenham, working on long-term, mission-critical systems that shape the future of UK defence technology. Responsibilities Work with modern Java-based tech stacks to deliver scalable, resilient software solutions. Contribute to infrastructure, data, and cloud transformation projects. Participate in agile delivery and uphold engineering excellence. Influence architecture and design decisions. Mentor team members and contribute to the … tooling: Jenkins, GitLab, Docker, Kubernetes, OpenShift Databases: SQL, MongoDB, Elasticsearch Experience with agile delivery and CI/CD pipelines Experience working in secure or regulated environments Candidate Requirements Proven software engineering experience at senior or leadership level Strong problem-solving and communication skills Commitment to engineering best practices and continuous improvement Current UK DV clearance is mandatory What More ❯

Software Engineers - Senior to Principal Level (DV Cleared) Location: Cheltenham (Onsite) Salary Range: £47,000 - £105,000 per annum (dependent on level and experience) Clearance Required: Current UK Developed Vetting (DV) is essential Contract Type: Permanent We are hiring Software Engineers across a range of levels (Senior, Lead, and Principal) to support high-priority defence and … driven engineering environment with access to exciting, impactful work in secure environments. About the Role You'll be working with modern Java-based tech stacks to deliver scalable, resilient software solutions. Projects span infrastructure, data, and cloud transformation, with a focus on agile delivery and engineering excellence. You'll have the opportunity to influence architecture and design decisions, mentor … Jenkins, GitLab, Docker, Kubernetes, OpenShift Databases : SQL, MongoDB, Elasticsearch Agile delivery and CI/CD pipelines Experience working in secure or regulated environments What We're Looking For Proven software engineering experience at senior or leadership level Strong problem-solving and communication skills Commitment to engineering best practices and continuous improvement Current UK DV clearance is mandatory What More ❯

Social network you want to login/join with: ? Urgent! x8 Fullstack Senior Software Engineers/Tech leads Needed – UK-based – – Rapid Growth – Fully Remote ?, cheltenham col-narrow-left Client: Location: Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 07.06.2025 Expiry Date: 22.07.2025 col-wide Job Description: ? Urgent! x8 Fullstack Senior Software Engineers/Tech leads Needed – UK-based – – Rapid Growth – Fully Remote ? Areti Group is excited to partner with a Series funded startup poised for rapid expansion, growing by 40 heads in the next 3 months! We are urgently seeking x8 Fullstack Tech leads to join their high-performing team. This fully remote role offers the chance to … embracing new tech. Languages : ? Ruby-on-Rails, Java, Python, C#, PHP ? VueJs, Typescript/Angular/React Cloud : ? Amazon Web Services (AWS) Databases : Additional Tools & Frameworks : ? GraphQL ? REST APIs ? Software Design Patterns – TDD, DDD ? Agile methodologies: Scrum and Kanban Key Responsibilities : Full-Stack Development : Design, develop, and maintain complex full-stack applications across both front-end and back-end. More ❯

Social network you want to login/join with: Senior Software Engineer - AI Fintech Product Company - FULLY REMOTE IN UK - £120k - TypeScript/Python/React/AWS/GenAI, cheltenham col-narrow-left Client: Opus Recruitment Solutions Location: Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date … 15.07.2025 col-wide Job Description: I am supporting a FinTech AI Product Company who are on the hunt for an experienced Senior Software Engineer to join their FULLY REMOTE engineering team! They are a heavily tech driven Product Company who put a huge emphasis on quality engineering, innovation and forward thinking. As a Senior Software Engineer, you will work closely with their CTO and play a very important role on the direction of the product! You'll support with key tech decisions, architecture, project delivery and mentoring other Engineers in the team. Requirements: Deep experience with Python, TypeScript, React, AWS, PostgreSQL, and GenAI + Any experience with any other backend languages: Go, Elixir More ❯

Senior Software Engineer – DV Cleared Location: Cheltenham (Hybrid) Salary: £65,000–£80,000 + Bonus + Benefits Clearance Required: Active UK Developed Vetting (DV) We’re hiring on behalf of a specialist consultancy supporting secure, high-impact projects in the defence and national security space. As a Senior Software Engineer with current DV clearance … interests at home and abroad. This is a hybrid role based in Cheltenham, typically requiring two to three days on site each week. You’ll be developing robust, secure software using Java or modern C++ in complex, high-assurance environments. Projects may involve real-time data processing, high-throughput back-end systems, or secure mission planning platforms. The work … fellow developers to deliver reliable solutions in classified settings. You must hold active DV clearance and have strong experience with Java or C++. A background in Linux development, secure software design, and working with modern tooling such as GitLab, Jenkins, Docker or Kubernetes is important. Familiarity with microservice architecture, REST APIs, and agile delivery will be helpful. Experience in More ❯

Social network you want to login/join with: An excellent opportunity awaits an experienced software developer with strong .NET and React skills to join a leading software company in a role offering strong technical variety, ongoing development opportunities, and involvement in genuinely interesting projects. This company builds innovative software and data management systems that support critical … decision-making in sectors such as environmental monitoring, infrastructure, and energy. In this role you'll join as a senior member of the development team, taking a hands-on role in the full lifecycle of a specialist management platform. You’ll help shape the product’s technical direction, mentor junior team members, and lead across design, implementation, and delivery. … or GCP). A background or interest in scientific, environmental, or infrastructure-related domains is a bonus. This is an excellent opportunity to join a collaborative and tech-focused software team in a senior position offering a mix of engineering depth, meaningful projects, and long-term growth. The Role: *Full-stack development using .NET and React *Azure DevOps More ❯

Social network you want to login/join with: Senior PHP Software Engineer (AI), cheltenham col-narrow-left Client: Location: Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 6 Posted: 16.06.2025 Expiry Date: 31.07.2025 col-wide Job Description: We’re searching for a talented Senior Software Engineer who’s … success through idea generation, strategic input, improved communication, and effective decision execution. Assist in project management activities, including estimation, scheduling, planning, and progress tracking. Play a key role in software deployment activities in our production data centre. Promote a team player status, providing support to fellow team members and mentoring by setting an example. What you’ll need: Expert More ❯

Social network you want to login/join with: Senior Software Engineer - Remote - Fintech - Up to £120k - Python TypeScript AWS, Cheltenham Client: Opus Recruitment Solutions Location: Cheltenham (Remote work available) Job Category: Other EU work permit required: Yes Job Views: 9 Posted: 06.06.2025 Expiry Date: 21.07.2025 Job Description: I am exclusively supporting a FinTech Product Company that … is currently hiring for 2 Senior Software Engineers to join their remote engineering team. The company is profitable, with an existing product used by several enterprise clients. They seek confident, experienced, and passionate Senior Software Engineers with a product mindset and deep understanding of software engineering. Their focus is on quality engineering and innovation, emphasizing … includes: Python React/TypeScript Node.js AWS GenAI Experience with another backend language (Ruby, C++, Elixir, Haskell, Go, Clojure, or Scala) is a plus Private projects demonstrating passion for software engineering are also advantageous The company is actively working with AI and utilizing up-to-date AI technologies. The position offers up to £120k and is fully remote. #J More ❯

Social network you want to login/join with: Senior Security Software Engineer, cheltenham col-narrow-left Client: Keysight Technologies Location: Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 4 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: About the Role Keysight is looking to hire a senior security software engineer to develop automated program analysis and fuzz testing capabilities for our security assessment products. The successful candidate will be key in designing and implementing novel and scalable tools for automated software composition analysis and vulnerability discovery in firmware binaries and code bases. If you enjoy regularly being challenged and working on novel ideas to solve cybersecurity … believe that when people feel a sense of belonging, they can be more creative, innovative, and thrive at all points in their careers. Responsibilities: Designing solutions to enable automated software composition analysis and identification of vulnerabilities Developing and maintaining software composition analysis tools Performing research in embedded device firmware security and compose articles and papers for publication Required More ❯

Join to apply for the Senior Software Engineer role at Ultra Electronics Group . Get AI-powered advice on this job and more exclusive features. About Ultra Precision Control Systems Ultra PCS is a leading developer of mission and safety critical equipment in the defence and aerospace industry. Our team of experts is at the heart of … of 'innovating' and 'empowering' drive us to trust our people to get the job done in new ways. Job Description Ultra PCS is seeking a talented C/C++ Software Engineer with embedded software development experience. The role involves deriving requirements, designing software architecture, developing test specifications, and coding/debugging/testing across platforms from … microcontrollers to multi-processor systems. You will engage in all phases of the software development lifecycle, suited for a self-motivated developer eager to learn new skills. Key Responsibilities Requirements definition, design, development, and verification for various integrity levels. Coding according to internal standards, ensuring high-quality solutions. Conducting design and code reviews. Debugging in embedded environments. Required Skills More ❯

new ways of working, trusting our people to get the job done because our business is our people. Job Description Ultra PCS is seeking a talented C/C++ Software Engineer with experience in embedded software development. We are looking for someone passionate about learning software and eager to join a dynamic team. As a Senior Software Engineer, you will derive requirements, produce software architecture, develop test specifications, and perform coding, debugging, and testing across various platforms, from microcontrollers to asymmetric multi-processor systems. You will be involved in all phases of the software development lifecycle. This role suits a self-motivated developer eager for new challenges and interested in expanding … their programming skills across multiple languages and platforms. Key Responsibilities Software Development: Requirements definition, design, development, and verification for various integrity levels, from safety-critical to proof of concept. Coding according to internal standards, ensuring high-quality, robust solutions. Conducting design and code reviews to maintain quality standards. Debugging in embedded environments. Required Skills and Experience Technical Expertise High More ❯

and have trust in you when getting the job done because we recognise, our business is our people. Job Description Ultra-PCS is seeking a talented C/C++ Software Engineer who has experience in embedded software development, passionate about learning software and keen to join dynamic team. Ultra PCS is a leader in providing solutions … for aerospace and defence systems. We are seeking an experienced Software Engineer to join our team. We are searching for a dynamic highly skilled Software Engineer with a wide breadth of skills who is interested in applying those skills and furthering their development skillset on a variety of software projects. As a Senior Software Engineer, you will be expected to derive requirements, produce software architecture, develop test specifications, perform coding, debugging and testing on a variety of platforms from microcontrollers, to asymmetric multi-processor systems. You will participate in all phases of full software development lifecycle. This role will suit a self motivated developer who is keen to take on More ❯

rapidly becoming the platform of choice for Oracle SaaS workloads, backs the API Gateway for serving customer applications, as well as supporting Data Science processing use cases. The Positions Senior Software Engineer As we expand and grow our team, we are seeking engineers with varying levels of experience. Those who are starting their career with us will … have a hunger and passion for learning. Those who join us with more experience will have diverse skills across programming, networking, storage, internet protocols and operating systems. An engineer at any level can have significant technical and business impact. As a member of our diverse and skilled teams, you will have the opportunity to solve and design solutions to … a typical day, you will be working as part of a small, focused, agile team and could be doing one or more of the following: Programming, testing and operating software at the heart of OCI. You might be: Writing backend code in Java, Python, Go Lang or another modern programming language. Working with containerisation and virtualisation technologies such as More ❯

narrow-left Client: IT Search Location: Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 7 Posted: 07.06.2025 Expiry Date: 22.07.2025 col-wide Job Description: Senior C++ Software Engineer Global FinTech Remote (NI & RoI) Permanent | Full-time Market based salary + bonus & excellent benefits package IT Search is proud to partner with a … global FinTech leader expanding its UK engineering presence. We're looking for a Senior C++ Software Engineer to join a growing team focused on building and maintaining secure, high-throughput systems enabling real-time global payments. In this role, you’ll work on the design and development of core backend components in modern C++, collaborating with a More ❯

Social network you want to login/join with: Senior Software Engineer (Ruby on Rails & React Native), cheltenham col-narrow-left Client: Net Talent Location: Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Senior Software Engineer Fully Remote, excellent … package and incredible opportunity We're looking for a Senior Software Engineer to join a fast-moving team building tools used by thousands of real-world users. You'll collaborate closely with Product, Design, and Customer Success to solve meaningful problems, not just tick technical boxes. You'll mentor others, contribute to architectural decisions, and engage directly … with customers to make sure what you're building actually works for them. What You’ll Be Doing Writing production-grade software in Ruby on Rails and React Native Leading on technical and architectural decisions across the stack Collaborating cross-functionally with Product, Design, and Customer Success Mentoring junior engineers and reviewing code with kindness and clarity Engaging with More ❯

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Software Engineers - Senior to Principal Level (DV Cleared) Location: Cheltenham (Onsite) Salary Range: £47,000 - £105,000 per annum (dependent on level and experience) Clearance Required: Current UK Developed Vetting (DV) is essential Contract Type: Permanent We are hiring Software Engineers across a range of levels (Senior, Lead, and Principal) to support high-priority defence and More ❯

Software Engineers - Senior to Principal Level (DV Cleared) Location: Cheltenham (Onsite) Salary Range: £47,000 - £105,000 per annum (dependent on level and experience) Clearance Required: Current UK Developed Vetting (DV) is essential Contract Type: Permanent We are hiring Software Engineers across a range of levels (Senior, Lead, and Principal) to support high-priority defence and More ❯