1 to 25 of 33 Software Engineering Jobs in Watford

Principal Software Engineer TEAM At easyJet, we are on a mission to transform our Airline Planning and Operations capability into a world-class, digitally-optimised operation through the use of new and emerging technologies. We are looking for a Principal Software Engineer to act as the lead technical person within the relevant product team, setting the technical direction … and guiding engineering practices while remaining hands-on with developing code where needed. Opportunities for innovation and value have already been identified across End-to-End Crew Planning, Operational Planning, Disruption Recovery, Optimisation and Automation & Efficiency — all of which are critical to improving operational resilience and crew experience. Product-led delivery is still relatively new to easyJet, and we … re seeking talented engineers who will help us build and mature our in-house software-engineering capability as we continue this journey together. JOB PURPOSE Lead the in-house design, hands-on development, and technical delivery of high-quality, scalable and secure software solutions by writing and reviewing code, setting engineering standards and guiding architecture in More ❯

Role : Software Architect Location: Stevenage or Bristol Salary: Up to £85,000 + exceptional benefits Working Pattern: Hybrid (typically 3-4 days on-site) Security Clearance: Due to the nature of the work, candidates must be British Citizens or Dual UK nationals with British citizenship. All successful candidates will undergo HMG Basic Personnel Security Standard (BPSS) checks as a … About the Opportunity Join a world-leading defence technology organisation at the forefront of developing cutting-edge systems for European defence. This is a fantastic opportunity for an experienced Software Architect or a senior software engineer ready to step up into an architectural role with a company renowned for innovation, technical excellence, and long-term career development. You … ll be working on mission-critical systems where safety, security, and reliability are paramount - technology that directly supports national defence and protects our armed forces. The Role As Software Architect, you will own the complete software architecture across the product lifecycle, working closely with delivery teams to define and maintain both structural and temporal architecture. You'll be More ❯

Software Architect A leading European defence organisation, recognised with multiple industry and employer awards, is seeking a Software Architect to help define and deliver software solutions that underpin some of the UK’s most advanced defence systems. This role is well-suited to candidates from a strong software engineering background, ideally with experience in C++ … or real-time embedded systems, who are now looking to step into or develop within an architecture role. The opportunity: You will be responsible for the full software architecture of complex, safety- and mission-critical products, working with delivery teams to define structures, interfaces, and design drivers such as performance, safety, and security. Collaboration with other architects and technical … specialists will be central, ensuring architectural integrity across large-scale defence programmes. You will also influence long-term software strategies, product lines, and technology roadmaps. What you will do: • Define and own the software architecture across key defence projects • Identify and document architectural design drivers, capturing assumptions and rationale • Produce derived and emergent requirements, ensuring clarity for development More ❯

We're looking for a Senior Software Engineer to join our team and take our technology and your career into new territories! MBDA is a great a place to learn about the company's entire product portfolio, whilst embracing the change to DevOps and other innovative technologies! Job Title: Senior Software Engineer Salary: £40,000-£75,000 depending … leave, neonatal leave and fertility testing and treatments. Facilities : Fantastic site facilities including subsidised meals, free car parking and much more. The opportunity: We're looking for a Senior Software Engineer to join our team and take our technology and your career into new territories! Test Software UK collaborate across Electronic Engineering, our Test Centre of Excellence … and Software Engineering to deliver the MBDA UK test capability. Our mission as a function is to facilitate robust and timely test of missile systems and ensure MBDA continues to provide a decisive military capability for our home nations and their allies. Spanning a diverse portfolio of work packages, Test Software UK directly influences the company's More ❯

A fantastic opportunity has arisen for a C# Software Developer to join a department specialising in Weapon System Simulation and Experimentation, assisting with the design, development, and integration of advanced defence simulation capabilities. This role performs the duties of a software developer and reports to the senior engineering lead. Key Responsibilities: Develop and integrate real-time software … deliver realistic system representations. Contribute to the use and advancement of distributed simulation within weapon system design and development. Participate in agile scrum teams to deliver innovative, high-quality software solutions. The ideal candidate would have: Experience in using software to build hardware solutions or synthetic environments. A background in C# and/or C++ software development. … Practical knowledge of real-time systems and simulation. Familiarity with modern software engineering practices including configuration control, continuous integration, and test-driven development. An appreciation for agile methodologies and collaborative development environments. The ideal candidate must have: Demonstrable experience in software development, ideally in an engineering or simulation environment. Strong understanding of object-oriented programming principles. More ❯

At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D and engineering … difference. Where no two days are the same. Your role Are you passionate about building secure, reliable systems that keep critical industrial operations running? Join us as an OT Software Engineer and help shape the future of industrial automation and digital transformation. You’ll work at the intersection of IT and OT, designing and implementing solutions that connect industrial … control systems with modern technologies, ensuring safety, efficiency, and resilience. In this role you will play a key role in: Developing and configuring OT software solutions that integrate with SCADA systems and industrial control environments. Creating and maintaining configuration standards and best practices for OT systems across diverse industries. Troubleshooting and resolving complex OT software issues, ensuring minimal More ❯

Software Architect - Stevenage (Hybrid role – typically 3–4 days on-site per week) Salary: Up to £80,000 DOE Security Clearance: British Citizenship The Opportunity: This is a fantastic opportunity for an experienced Software Architect , or a highly capable Senior Software Engineer ready to take the next step. You will be responsible for defining and leading the … software architecture for complex, safety-critical systems at the forefront of defence technology. Working in a collaborative, multi-disciplinary environment, you will help shape robust, secure and scalable software solutions that underpin next-generation weapon system designs. Key Responsibilities: • Define, document and own the full software architecture for major projects, from concept through to implementation. • Establish the … manage design drivers such as real-time performance, safety, security, flexibility and reusability. • Produce derived and emergent requirements with clear rationale and traceability. • Collaborate closely with systems, hardware and software engineers to ensure technical alignment. • Contribute to long-term technology strategy, influencing tools, frameworks and architectural direction. What We’re Looking For: • Strong technical background in software design More ❯

from synthetic modelling of real world objects and the Earth's surface, through to hardware testing and validation via experimentation and field trials. We use a variety of different software development and modelling tools, and we will support to you and hands on training to get you up to speed as quick as possible. However, we are always looking … offers the chance for you to deliver current programmes and shape the future of the team and the company. What we're looking for from you: Someone enthusiastic about software engineering and the development of physical models of the real world and how an EO Sensor perceives it. You will need Skills in Windows and Linux native software (C/C++), dynamic languages like python, GPU-acceleration and 3D graphics (Open GL, GLSL, CUDA, Vulkan), A strong software background including software architecture design, concurrency, synchronisation, and database design An appreciation of or the desire to learn the physics of the propagation of EM radiation, coherent phenomena, and thermal analysis; and the supporting tools. An affinity More ❯

quality and security of the Source Code Required skills and experience for the role of Senior Full Stack Systems Developer include: A Degree (or equivalent/higher qualification) in Software Engineering, Data Science, or a similar, relevant field Extensive experience of working as a Full Stack Systems Developer Excellent working knowledge of the Full Software System Lifecycle … including front-end and back-end aspects Experience of working with software systems/programmes specifically within an environmental setting Demonstrable experience in the use of Java Middleware, API, Docker, and MQ software Outstanding knowledge of performance and security in Enterprise Systems Experience of working with networks: LAN & WAN/Internet and Security Prior experience of Database Access … Design and Application Optimisation Demonstrable experience of working with Human Computer Interaction (HCI) in Software Systems, including Machine-to-Machine Automation Technologies Highly-proficient in Software System Design, Development, Testing, and Deployment Strategies for High Availability Desirable skills and experience for the role of Senior Full Stack Systems Developer include: Experience of developing software products for use More ❯

Digital Centre of Excellence (CoE), designed to drive transformative technology programmes across the UK. This dynamic new team will play a key role in delivering large-scale digital, cloud, software, and infrastructure projects, supporting both public and private sector clients. By leveraging cutting-edge technology, strategic partnerships, and innovative SaaS-based solutions, the CoE will enhance digital capabilities, future … presents a unique opportunity to be at the forefront of major national initiatives, working within a high-impact, collaborative environment. Our diverse roles span architecture, project management, data analytics, software development, and technical support—empowering professionals to shape scalable, next-generation digital ecosystems. Whether delivering sophisticated Big Data platforms, cloud solutions, or advanced infrastructure, our teams will drive innovation … communicate the product vision, strategy, and roadmap aligned with business objectives. Gather, analyse, and prioritise customer and stakeholder requirements, converting them into actionable user stories and features. Collaborate with Software Engineering, DevOps, Integration, and Architecture teams to ensure technical feasibility and timely delivery. Act as Product Owner within Agile ceremonies for assigned products. Balance scope, quality, and timelines More ❯

Senior Software Engineer (Test Software) Location: Stevenage Salary: Up to £75,000 per annum + Bonus Benefits: Job security (Big industry investment, no redundancies during Covid & kept hiring), 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 defence sector are looking … for passionate software engineers with experience within test software. This is a fascinating chance to be involved with developing and supporting test software solutions for use within test equipment on aerospace electronics and their control systems. You will get the opportunity to work with teams across all areas test solution design including Real-Time, software, hardware and … UK for the last 5 years. Previous or current SC and DV clearance is highly beneficial. Duties & Experience: Strong programming knowledge of C, C++ or ADA Previous experience within software development for hardware or safety critical testing Work with a multidisciplinary team to create extensible code for new development and to deliver software solutions Creative design and critical More ❯

Software Architect Location: Hybrid working in Bristol or Stevenage Salary: Up to £80,000 per annum + 21% Bonus Benefits: Job security (Big industry investment, no redundancies during Covid & kept hiring), Great pension, Enhanced parental leave, medical insurance, dental insurance, share plans, shopping discounts, amazing on-site facilities including a heavily subsidised restaurant, bar and gym A market leading … and global company within the defence sector are looking for an experienced software engineer and architect with a passion for innovative software design. This is a fascinating chance to be involved with developing cutting-edge software architecture solutions for user interfaces and embedded systems within aerospace electronics. This position is subject to security clearance and so all … be British Citizens and have resided in the UK for the last 5 years. Previous or current SC and DV clearance is highly beneficial. Duties & Responsibilities Develop market leading software for system designs that promote security, safety, useability and reliability Create, define and monitor Structural and Temporal Architecture while considering the Internal and External interfaces alongside the delivery teams More ❯

the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for a proficient *Software Engineer Analyst *to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including … TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift. * Excellent writing and grammar skills. * A bachelor’s degree (completed or in progress). * Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred. Note: Payment is made via PayPal. We will never ask for any money from you. PayPal will handle any currency More ❯

Software Engineer/Full Stack Developer (C# .Net Core AWS JavaScript) St Albans/WFH to £100k Opportunity to progress your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets, with a flat structure where you will get your voice heard and can make a real impact on the … bottom line, earning significant bonuses. What's in it for you: As a Software Engineer you will earn a competitive package: Salary to £100k Bonus 25 days holiday, rising to 30 after 2 years Enhanced parental leave Contributory pension scheme Private Medical MSDN subscription Discounts for gym membership, travel and cinema Sabbatical after 10 years of service Flexible working … with 2 days work from home per week Your role: As a Software Engineer you'll join an Agile development team to design and develop new features and enhancements to complex Payments and client systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis More ❯

Senior C++ Software Engineer £50,000 - £70,000 An established defence and technology company is looking for a Senior Software Engineer to join their team, contributing to the development and support of innovative test software solutions. This is an exciting opportunity to work on a wide array of advanced products in a dynamic, multi-disciplinary environment. You … ll join a highly collaborative team at the intersection of software, electronics, and test systems – driving the development of software solutions that support product verification and validation from early design through to deployment in the field. This is an opportunity to work on mission-critical, high-performance systems while developing your expertise across a diverse product portfolio. In … this role, you will be responsible for designing and developing software to configure, test, and validate high-tech products. You’ll collaborate closely with Systems, Electronics, and Test Engineering teams to deliver integrated solutions that support the full product lifecycle. Your work will span from requirements definition through to validation and ongoing support, contributing to a variety of More ❯

Job title: Principal Software Engineer Location: Luton – Hybrid Salary: Up to £80k Clearance: SC eligible (Sole UK Nationals only) Duration: Permanent We are hiring for experienced C++ Senior/Principal Software Engineers on a permanent basis to be based in Luton. 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 creating high quality and robust designs and code; for fully documenting and recording your work products; keeping them under configuration management and providing plans and progress reports. Work Experience: Languages: C++14 or higher versions Tools: Visual Studio 2019 VxWorks IBM DOORS … Essential Skills and Qualifications: Strong programming expertise in C++14, with extensive experience using Visual Studio for development, debugging, and performance optimisation. 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 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 ❯

Contract Software Engineer – Embedded Systems We are seeking experienced Software Engineers with strong C++ expertise for a long-term contract role focused on embedded systems development. The position involves working within an integrated team to deliver robust, high-quality software solutions for complex systems. Key Requirements: Strong experience with C++14 or higher Proficiency in Visual Studio … Experience with embedded software on RTOS platforms (e.g. VxWorks) Familiarity with IBM DOORS, Git, Azure DevOps Strong Object-Oriented Design and unit testing skills Must be eligible for SC clearance (Sole UK Nationals only) This is a 12-month contract, 4 days onsite per week. More ❯

Job Title: Senior Embedded Software Engineer (C++) Duration: 12 months Workload: Full time hours Setup: Freelance (Daily rate/Limited Company/Umbrella/Sole Trader) Location: Luton (4 days onsite, 1 day remote) We’re looking for a skilled Embedded Software Engineer to join a cutting-edge electronic warfare project for a leading defence client. Key Responsibilities … Develop and maintain embedded software for electronic warfare systems. Collaborate within integrated project teams to deliver robust, high-quality code. Manage requirements using IBM DOORS and ensure full traceability. Conduct unit testing and peer reviews to maintain code quality. Document work thoroughly and maintain configuration control. Must-Have Skills: Strong C++14 programming experience. Proficiency with Visual Studio 2019 and More ❯

Senior Java Software Engineer Watford/Hybrid Salary - £70,000 - £80,000 + Excellent benefits We’re looking for a talented Senior Java Engineer with a passion for clean code, elegant architecture, and efficient delivery. This is a hands-on role focused on developing a cloud-native platform and its foundational services—mission-critical components that support a modern … workforce management software stack. You’ll work primarily with Java, building robust, secure, and scalable applications. As part of a small, elite team, you’ll have the freedom and responsibility to shape the future of the platform. 🔧 Key Responsibilities • Deliver best-in-class Java platform code with a strong focus on architecture and design. • Build robust, scalable applications using … industry-standard source control tools. • Develop and test across multiple browsers, platforms, and devices, including mobile. • Maintain and enhance platform software to ensure reliability and security. • Optimize performance to meet service level objectives. • Create and improve internal foundational software tools. • Maintain and enhance customer-facing services like authentication and integration. • Write performant code that interacts with Postgres, leveraging More ❯

What will you be doing? We are looking for a meticulous SDET (Software Development Engineer in Test) to join our digital payments team and collaborate with developers on functional and non-functional aspects of our software, building reusable test automation solutions, and ensuring applications meet high-quality standards. You will: Design and develop automated tests Perform both functional … defects and work with developers to implement solutions and ensure product quality. Develop and optimize CI/CD pipelines to ensure that automated testing is integrated seamlessly into the software development workflow. You should have a passion for designing, development, and testing and the ability to upgrade your technical skills within the constantly changing technology sector. Understanding the flow More ❯

Embedded Software Engineer (C+ +) – Permanent Certain Advantage is recruiting five Software Engineers to join a well-established and reputable company based in Luton, on a permanent basis. The company: We’re working with a engineering organisation who are renowned for delivering innovative solutions and high-quality products across various industries. With a strong focus on precision … efficiency, and technological advancement, the organisation prides itself on fostering a collaborative work environment that encourages professional growth and excellence. The role/The individual: As a software engineer, you will work within an integrated project team and be responsible for creating high quality and robust designs and code; for fully documenting and recording your work products; keeping them … plans and progress reports. Strong programming expertise in C++14, with extensive experience using Visual Studio for development, debugging, and performance optimisation. 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 More ❯

Lead C C# Software Engineer Stevenage Up to £65,000 + Bonus + Benefits! We’re working with a defence technology partner seeking a proactive and passionate Lead Software Developer to join their expanding Simulation and Experimentation division. This is a hands-on technical leadership role, driving innovation in synthetic environments and weapon system representation tools. This position … a critical role in developing system architectures and simulation frameworks that support experimentation and system validation for some of the world’s most advanced defence technologies. Leading a small software development team delivering high-quality simulation components. Contributing to the evolution of synthetic and experimental environments used for weapon system analysis. Applying C-family programming expertise to solve real … to integrate models, real products and visualisation tools (including AR/VR). Supporting innovation initiatives across the complete product lifecycle. What's required for this Lead C C# Software Engineer position? Proven experience as a Lead or Senior Software Engineer with strong knowledge of C++ and C# . A creative, adaptable mindset and strong technical problem-solving More ❯

Embedded Software Engineer About the Role: We are seeking an experienced Embedded Software Engineer to develop safety-related real-time application software for next-generation systems. This is a hands-on role covering the full software lifecycle, from architecture and design to implementation and testing. Key Responsibilities: Design, implement, and verify embedded software for complex … management processes. Conduct unit testing and code coverage analysis using industry-standard tools. Collaborate with multidisciplinary teams in a lab environment. Essential Skills: Strong experience in bare-metal embedded software development using C/C++. Knowledge of safety-critical standards (e.g., DO178C Level B, SIL-4). Familiarity with tools such as DOORS, LDRA, RAPITA, and configuration control systems More ❯

Embedded Software Engineer – ADA Location: Hybrid working in Stevenage, Bristol or Bolton Salary: Up to £65,000 per annum + Bonus Benefits: Job security (Big industry investment, no redundancies during Covid & kept hiring), Great pension, Enhanced parental leave, medical insurance, dental insurance, share plans, shopping discounts, amazing on-site facilities including a heavily subsidised restaurant, bar and gym A … market leading and global company within the defence sector are looking for an experienced ADA software engineer with experience in embedded software. This is a fascinating chance to be involved with developing cutting-edge Real-Time subsystem software solutions for use within on-board aerospace electronics. This position is subject to security clearance and so all candidates must … is highly beneficial. Duties & Experience: Strong programming knowledge of ADA (C, C++ & C# desirable) Work with a multidisciplinary team to create extensible code for new development and to provide software solutions Previous experience with bare-metal embedded software Model-based development using UML SCADE definition and verification algorithms Promote quality code and engage in design and code reviews More ❯