1,126 to 1,150 of 4,670 Software Engineering Jobs in the UK excluding London

Java Software Engineer – Defence, Cyber & Intelligence | Full-Time | eDV Clearance Required We are seeking Software Engineers at all levels to join a leading aerospace and defence organisation, delivering mission-critical software for high-impact programmes in the Defence, Cyber, and Intelligence sectors. You'll work on cutting-edge DevSecOps systems and applications, supporting secure digital infrastructures across … the UK. This is a fantastic opportunity to contribute to meaningful projects while enjoying flexible working arrangements and excellent development opportunities. Key Responsibilities: Software design, development, and debugging on secure systems Creating and maintaining test frameworks (e.g., JUnit 5) Developing in Linux environments with modern languages (Java, Python) Working with Agile/SCRUM practices and CI/CD pipelines … GitLab) Contributing across the software development lifecycle from requirements to deployment Tech Stack Includes: Java, Python, Linux, Git, JUnit, GitLab CI/CD, Oracle, MongoDB, JavaScript/TypeScript, React, Apache NiFi, Elasticsearch, Kibana, AWS, Hibernate, Atlassian Suite What’s on Offer: Hybrid working and flexible schedules (4xFlex) Ongoing training and career development Exciting projects within the UK’s secure More ❯

Java Software Engineer – Defence, Cyber & Intelligence | Full-Time | eDV Clearance Required We are seeking Software Engineers at all levels to join a leading aerospace and defence organisation, delivering mission-critical software for high-impact programmes in the Defence, Cyber, and Intelligence sectors. You'll work on cutting-edge DevSecOps systems and applications, supporting secure digital infrastructures across … the UK. This is a fantastic opportunity to contribute to meaningful projects while enjoying flexible working arrangements and excellent development opportunities. Key Responsibilities: Software design, development, and debugging on secure systems Creating and maintaining test frameworks (e.g., JUnit 5) Developing in Linux environments with modern languages (Java, Python) Working with Agile/SCRUM practices and CI/CD pipelines … GitLab) Contributing across the software development lifecycle from requirements to deployment Tech Stack Includes: Java, Python, Linux, Git, JUnit, GitLab CI/CD, Oracle, MongoDB, JavaScript/TypeScript, React, Apache NiFi, Elasticsearch, Kibana, AWS, Hibernate, Atlassian Suite What’s on Offer: Hybrid working and flexible schedules (4xFlex) Ongoing training and career development Exciting projects within the UK’s secure More ❯

Software Engineer Location Europe iO Associates are delighted to be partnering with a leading Management Consultancy to support a range of NATO programme requirements with the introduction of exceptional professionals. We're currently looking for experienced Software Engineers to join our client's high-performing team and play a key role in delivering cutting-edge solutions that shape … to contribute to impactful projects, collaborate with talented professionals, and work in a forward-thinking environment that values creativity, technical excellence, and continuous learning. Responsibilities include: Developing high-quality software design and architecture. Identifying, prioritizing, and executing tasks across the software development life cycle. Collaborating with cross-functional teams to define, design, and ship new features. Troubleshooting, debugging … and upgrading existing software. Ensuring software remains up to date with the latest technologies. Essential Skills & Experience: Proven experience as a Software Engineer or in a similar role. Strong proficiency in Java, C++, or similar programming languages. Excellent understanding of software development principles and best practices. Strong analytical and problem-solving abilities. Bachelor's degree in Computer More ❯

Senior Software Developer - Digital and Customer Experience Leeds - Hybrid (UK-based) Level: Senior/Lead Developer Tech Stack: C# .NET Azure Blazor Modern Front-End DevOps AI Tools WRK digital are delighted to be shortlisting for a Senior Software Developer to help us reshape how a major legal organisation delivers its digital services. Youll be joining a collaborative … in the industry recognised with awards for AI, innovation, and digital transformation, including Transformation Team of the Year. From AI-powered development tools to cutting-edge cloud architecture, this Software Development team are investing in innovation to deliver smarter, faster, and more secure innovative solutions. As a Senior Software Developer, you'll: Lead the design and development of … stack (C# .NET, Azure) Drive front-end development to deliver intuitive and visually engaging user experiences Apply DevOps best practices to streamline the delivery pipeline A Senior or Lead Software Developer with: Deep expertise in C# .NET and Azure Modern Front End Application Development with Blazor or React A strong focus on UI/UX, with a belief that More ❯

Java and or Python Javascript React Cloud Experience: AWS Youll be familiar with agile ways of working What youll do as a Full Stack Engineer: Designing, developing, and testing software solutions to meet diverse requirements using Java, Python and Javascript/React. Leveraging a variety of technologies, with a focus on open-source components and libraries. Employing tools like … GitLab to establish continuous integration pipelines for maintaining software quality and security. Deploying software across various environments, including public clouds (AWS) and private cloud infrastructures. Participating in all phases of the software lifecycle Senior Full Stack Engineer Package: 50,000 - 65,000 base (DOE) Company Pension To hear more about the Full Stack Engineer opportunity, get in More ❯

or Python Javascript – React Cloud Experience: AWS You’ll be familiar with agile ways of working What you’ll do as a Full Stack Engineer: Designing, developing, and testing software solutions to meet diverse requirements using Java, Python and Javascript/React. Leveraging a variety of technologies, with a focus on open-source components and libraries. Employing tools like … GitLab to establish continuous integration pipelines for maintaining software quality and security. Deploying software across various environments, including public clouds (AWS) and private cloud infrastructures. Participating in all phases of the software lifecycle Senior Full Stack Engineer Package: £50,000 - £65,000 base (DOE) Company Pension To hear more about the Full Stack Engineer opportunity, get in More ❯

Senior Software Engineer Salary: £65,000 - £75,000 C#, .NET, Windows Desktop We’re representing a scaling SaaS business are hiring a Senior Software Enginee r to strengthen their product development team. You’ll be hands-on with C# and .NET , crafting high-performing Windows applications used across global markets. This isn’t just coding. you’ll help … shape technical decisions, refine UI/UX, and integrate closely with Windows OS components to deliver polished, reliable products. What You’ll Do as a Senior Software Engineer: Build and refine Windows desktop applications (WinForms, WPF, WinUI or similar) Develop sleek, functional user interfaces and custom controls Apply best practice design patterns (e.g. MVVM, MVC) Connect applications with OS … level features and external systems Ensure stability, performance, and maintainability of the codebase What You’ll Bring as a Senior Software Engineer: Solid background in C#/.NET desktop development Experience delivering advanced Windows client software Strong knowledge of Windows APIs and event-driven programming Familiarity with CI/CD and modern development workflows Collaborative mindset with problem More ❯

Senior Software Engineer Salary: £65,000 - £75,000 C#, .NET, Windows Desktop We’re representing a scaling SaaS business are hiring a Senior Software Enginee r to strengthen their product development team. You’ll be hands-on with C# and .NET , crafting high-performing Windows applications used across global markets. This isn’t just coding. you’ll help … shape technical decisions, refine UI/UX, and integrate closely with Windows OS components to deliver polished, reliable products. What You’ll Do as a Senior Software Engineer: Build and refine Windows desktop applications (WinForms, WPF, WinUI or similar) Develop sleek, functional user interfaces and custom controls Apply best practice design patterns (e.g. MVVM, MVC) Connect applications with OS … level features and external systems Ensure stability, performance, and maintainability of the codebase What You’ll Bring as a Senior Software Engineer: Solid background in C#/.NET desktop development Experience delivering advanced Windows client software Strong knowledge of Windows APIs and event-driven programming Familiarity with CI/CD and modern development workflows Collaborative mindset with problem More ❯

Senior Software Engineer Salary: £65,000 - £75,000 C#, .NET, Windows Desktop We’re representing a scaling SaaS business are hiring a Senior Software Enginee r to strengthen their product development team. You’ll be hands-on with C# and .NET , crafting high-performing Windows applications used across global markets. This isn’t just coding. you’ll help … shape technical decisions, refine UI/UX, and integrate closely with Windows OS components to deliver polished, reliable products. What You’ll Do as a Senior Software Engineer: Build and refine Windows desktop applications (WinForms, WPF, WinUI or similar) Develop sleek, functional user interfaces and custom controls Apply best practice design patterns (e.g. MVVM, MVC) Connect applications with OS … level features and external systems Ensure stability, performance, and maintainability of the codebase What You’ll Bring as a Senior Software Engineer: Solid background in C#/.NET desktop development Experience delivering advanced Windows client software Strong knowledge of Windows APIs and event-driven programming Familiarity with CI/CD and modern development workflows Collaborative mindset with problem More ❯

Senior Software Engineers Location: Bristol Salary: Up to £65,000 per annum + Bonus Benefits: Job security, Great pension, Annual Pay Review, Enhanced Parental Leave, Training & Membership Fund, Courses & Training, Hobby Clubs and more A market leading and global company within the aerospace and defence sector are looking for passionate software engineers with experience within electronic system software design. This is a fascinating chance to be involved with developing cutting-edge software for Real-Time, middleware, subsystem software solutions for use within on-board aerospace electronics and their control systems. They are recruiting into many spaces including Real-Time, Command & Control, Mission Control, Human Machine Interface, OS & Software Security, Simulation & Experimentation and New Product. … years. Previous or current SC and DV clearance is highly beneficial. Duties & Experience: Work with a multidisciplinary team to create extensible code for new development and to deliver software solutions Promote quality code and engage in design and code reviews Strong programming knowledge of C++ (and C#, Java or Ada is a bonus) Previous experience within product design and More ❯

Senior Software Engineer Salary: £65,000 - £75,000 C#, .NET, Windows Desktop We re representing a scaling SaaS business are hiring a Senior Software Enginee r to strengthen their product development team. You ll be hands-on with C# and .NET , crafting high-performing Windows applications used across global markets. This isn t just coding. you … ll help shape technical decisions, refine UI/UX, and integrate closely with Windows OS components to deliver polished, reliable products. What You ll Do as a Senior Software Engineer: Build and refine Windows desktop applications (WinForms, WPF, WinUI or similar) Develop sleek, functional user interfaces and custom controls Apply best practice design patterns (e.g. MVVM, MVC) Connect applications … with OS-level features and external systems Ensure stability, performance, and maintainability of the codebase What You ll Bring as a Senior Software Engineer: Solid background in C#/.NET desktop development Experience delivering advanced Windows client software Strong knowledge of Windows APIs and event-driven programming Familiarity with CI/CD and modern development workflows Collaborative mindset More ❯

eDV Cleared Software Engineers – Multiple Contract Opportunities*** 📍 West Country or London (On-site, Secure Environment) 💰 Market Rate | Inside IR35 | Long-term Contracts (12–24 months+) 🔐 Active eDV Clearance Required We’re supporting several high-profile programmes within Defence & National Security and are looking to connect with various Software Engineers ready to make a genuine impact in the secure More ❯

Senior Golang Software Engineer - AI Scale-up - Voice AI (Permanent - flexible salary) Senior Golang Software Engineer is now required by an Innovative AI scale up to build the strategic architecture platform for their AI product offering This role will be responsible for building a stable and replicable architecture for their core application, focusing on their AI tools in … journey. Implement secure on-device storage for sensitive data. Collaborate with back-end engineers to successfully integrate RESTful APIs for data collection and AI services. Key Requirements: Strong Senior Software Engineer experience Exceptional Go/Golang skills Experience working across low-latency and zero trust platforms Experience across more than 1 cloud platform (AWS, Azure and GCP), and designing More ❯

Senior Golang Software Engineer - AI Scale-up - Voice AI (Permanent - flexible salary) Senior Golang Software Engineer is now required by an Innovative AI scale up to build the strategic architecture platform for their AI product offering This role will be responsible for building a stable and replicable architecture for their core application, focusing on their AI tools in … journey. Implement secure on-device storage for sensitive data. Collaborate with back-end engineers to successfully integrate RESTful APIs for data collection and AI services. Key Requirements: Strong Senior Software Engineer experience Exceptional Go/Golang skills Experience working across low-latency and zero trust platforms Experience across more than 1 cloud platform (AWS, Azure and GCP), and designing More ❯

Senior Golang Software Engineer - AI Scale-up - Voice AI (Permanent - flexible salary) Senior Golang Software Engineer is now required by an Innovative AI scale up to build the strategic architecture platform for their AI product offering This role will be responsible for building a stable and replicable architecture for their core application, focusing on their AI tools in … journey. Implement secure on-device storage for sensitive data. Collaborate with back-end engineers to successfully integrate RESTful APIs for data collection and AI services. Key Requirements: Strong Senior Software Engineer experience Exceptional Go/Golang skills Experience working across low-latency and zero trust platforms Experience across more than 1 cloud platform (AWS, Azure and GCP), and designing More ❯

Senior Golang Software Engineer - AI Scale-up - Voice AI (Permanent - flexible salary) Senior Golang Software Engineer is now required by an Innovative AI scale up to build the strategic architecture platform for their AI product offering This role will be responsible for building a stable and replicable architecture for their core application, focusing on their AI tools in … journey. Implement secure on-device storage for sensitive data. Collaborate with back-end engineers to successfully integrate RESTful APIs for data collection and AI services. Key Requirements: Strong Senior Software Engineer experience Exceptional Go/Golang skills Experience working across low-latency and zero trust platforms Experience across more than 1 cloud platform (AWS, Azure and GCP), and designing More ❯

Software Developers - Newcastle - 5 days a week in the office - Greenfield OB have partnered with a leading financial company, who are looking for multiple Developers to work on a ton of greenfield work. You will be working alongside some of the best developers within the finance space on this project. Candidates must have a degree from a Russell group More ❯

At Quest Global, we are actively looking for Principal Software Engineer to join one of our Defense customer based at Luton, UK. Principal Software Engineer Luton, UK Full Time Permanent Hire Hybrid: 4 days/week Onsite at Luton Job Description C++14 or higher versions Visual Studio 2019, VxWorks, IBM DOORS, Azure DevOps, Git Strong programming expertise in … C++14, with extensive experience using Visual Studio for development, debugging, and performance optimization. Proven ability to design, implement, and maintain embedded software on RTOS platforms such as VxWorks, including target integration and validation. Strong grasp of Object-Oriented Design (OOD) principles. Strong unit test skills using tools such as MS Test Framework. Experience in interpreting and managing requirements through … definition to verification. Proven ability to work closely with other teams (i.e. systems), translating requirements into technical deliverables and ensuring alignment with project goals. This position is for embedded software development in an end to end role focused on electronic warfare systems. As a software engineer, you will work within an integrated project team and be responsible for More ❯

At Quest Global, we are actively looking for Principal Software Engineer to join one of our Defense customer based at Luton, UK. Principal Software Engineer Luton, UK Full Time Permanent Hire Hybrid: 4 days/week Onsite at Luton Job Description C++14 or higher versions Visual Studio 2019, VxWorks, IBM DOORS, Azure DevOps, Git Strong programming expertise in … C++14, with extensive experience using Visual Studio for development, debugging, and performance optimization. Proven ability to design, implement, and maintain embedded software on RTOS platforms such as VxWorks, including target integration and validation. Strong grasp of Object-Oriented Design (OOD) principles. Strong unit test skills using tools such as MS Test Framework. Experience in interpreting and managing requirements through … definition to verification. Proven ability to work closely with other teams (i.e. systems), translating requirements into technical deliverables and ensuring alignment with project goals. This position is for embedded software development in an end to end role focused on electronic warfare systems. As a software engineer, you will work within an integrated project team and be responsible for More ❯

At Quest Global, we are actively looking for Principal Software Engineer to join one of our Defense customer based at Luton, UK. Principal Software Engineer Luton, UK Full Time Permanent Hire Hybrid: 4 days/week Onsite at Luton Job Description C++14 or higher versions Visual Studio 2019, VxWorks, IBM DOORS, Azure DevOps, Git Strong programming expertise in … C++14, with extensive experience using Visual Studio for development, debugging, and performance optimization. Proven ability to design, implement, and maintain embedded software on RTOS platforms such as VxWorks, including target integration and validation. Strong grasp of Object-Oriented Design (OOD) principles. Strong unit test skills using tools such as MS Test Framework. Experience in interpreting and managing requirements through … definition to verification. Proven ability to work closely with other teams (i.e. systems), translating requirements into technical deliverables and ensuring alignment with project goals. This position is for embedded software development in an end to end role focused on electronic warfare systems. As a software engineer, you will work within an integrated project team and be responsible for More ❯

At Quest Global, we are actively looking for Principal Software Engineer to join one of our Defense customer based at Luton, UK. Principal Software Engineer Luton, UK Full Time Permanent Hire Hybrid: 4 days/week Onsite at Luton Job Description C++14 or higher versions Visual Studio 2019, VxWorks, IBM DOORS, Azure DevOps, Git Strong programming expertise in … C++14, with extensive experience using Visual Studio for development, debugging, and performance optimization. Proven ability to design, implement, and maintain embedded software on RTOS platforms such as VxWorks, including target integration and validation. Strong grasp of Object-Oriented Design (OOD) principles. Strong unit test skills using tools such as MS Test Framework. Experience in interpreting and managing requirements through … definition to verification. Proven ability to work closely with other teams (i.e. systems), translating requirements into technical deliverables and ensuring alignment with project goals. This position is for embedded software development in an end to end role focused on electronic warfare systems. As a software engineer, you will work within an integrated project team and be responsible for More ❯

C++ Software Developer Cowes, Isle of Wight (Office-based, 5 days per week) Approx £47,000 + bonus + healthcare + pension + 25 days holiday Permanent | 37 hours per week Are you an experienced C++ Software Developer with a passion for building complex, high-quality Windows applications? If you thrive on innovation, technical challenge and collaboration - this … may be the perfect next step for you. You'll join an established development team where you'll take ownership of software design, implementation and delivery within a global technology environment. You'll contribute to meaningful, high-impact solutions that help customers operate more efficiently, safely and sustainably. Key Responsibilities Design, develop and implement complex software components in … reliable, high-performing applications Collaborate with project managers, QA and cross-functional teams to design scalable solutions Develop and execute automated unit tests, ensuring adherence to quality standards Diagnose software issues, providing technical expertise to support and development colleagues Contribute to architectural decision-making, providing estimates and leadership for new proposals Mentor and guide other developers within the team More ❯

Software Engineer/Developer (TypeScript) London to £75k Opportunity to progress your career at a Tech for Good company that is enabling life changing education to be accessed by students around the world. As a Software Engineer you will design and develop large, distributed, scalable web based systems, working within a modern cloud (AWS) microservices based environment; you … working on large scale systems with millions of users You're comfortable with AI You're collaborative with Agile team experience What's in it for you: As a Software Engineer/Developer (TypeScript) you will receive a competitive package: Salary to £75k 25 days holiday Private medical insurance Training and certifications Perks such as restaurant and retail discounts … Apply now to find out more about this Software Engineer/Developer (TypeScript) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender More ❯

Software Engineer/Developer (TypeScript) London to £75k Opportunity to progress your career at a Tech for Good company that is enabling life changing education to be accessed by students around the world. As a Software Engineer you will design and develop large, distributed, scalable web based systems, working within a modern cloud (AWS) microservices based environment; you … working on large scale systems with millions of users You're comfortable with AI You're collaborative with Agile team experience What's in it for you: As a Software Engineer/Developer (TypeScript) you will receive a competitive package: Salary to £75k 25 days holiday Private medical insurance Training and certifications Perks such as restaurant and retail discounts … Apply now to find out more about this Software Engineer/Developer (TypeScript) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender More ❯

Software Engineer (Kotlin/Springboot) | 6 Month Contract (OIR35) | Remote We're looking for a Full Stack Software Engineer to play a key role in developing and evolving a suite of high-performance applications. You'll be working across the entire technology stack, from dynamic, user-friendly web interfaces to robust, scalable backend microservices - helping to deliver impactful … Build and optimise SQL schemas and queries for performance and scalability. Integrate APIs and third-party services into core systems. Collaborate with cross-functional teams to design scalable, maintainable software solutions . Participate in code reviews , contributing to team standards and documentation. Support production deployments, monitoring, and issue resolution. Continuously improve application performance, reliability, and user experience If this More ❯