126 to 150 of 167 Software Engineering Jobs in Watford

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 … 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 … ability to analyze and solve new problems with little instruction or guidance Preferred Skills: Familiarity with the Rust programming language Experience with firmware reverse engineering Experience with training or mentoring Experience with SaaS development Careers Privacy Statement ***Keysight is an Equal Opportunity Employer. More ❯

key and access management field. As a business, they have a wide product portfolio underpinned by complex technology/IoT. Working alongside an existing engineering team of 8 (Software Engineers) with a really strong understanding of the Industry domain, there is a need to move their existing product … experience (there is the opp to push either AWS/Azure) IaC - Terraform/ARM - Mandatory K8s - EKS and/or AKS Ideally a software background - C#/.Net (not mandatory) DevSecOps This is a remote opportunity with very occasional travel - one every couple of months. Interview slots are More ❯

are now scaling our operations in London. Our work environment rewards innovation, speed, and bold thinking. The role We’re hiring Senior and Staff Software Engineers to build the high-performance computing infrastructure that powers our Optical Tensor Processing Units (OTPUs). This isn’t just about scaling models … it’s about rethinking how AI workloads are executed at speed and scale. You’ll lead the design and implementation of software systems that run distributed, low-latency inference across clusters. You’ll work closely with hardware and ML teams to optimise every layer of the stack—from model … compiler engineers to improve code generation, execution paths, and memory layouts using tools like LLVM or MLIR Work with hardware teams to ensure the software stack fully leverages the capabilities of our OTPU architecture Extend ML frameworks (e.g. PyTorch, ONNX, OpenXLA) to better support performance-critical inference paths Lead More ❯

The Company Citizen Ticket’s mission is to create best-in-class ticketing, accreditation, and access control software that is loved by festivals and experiences globally. The Role A vacancy has been identified for a PHP Software Engineer to join the team at Citizen Ticket. This role will … be key to delivering the company’s vision, ensuring that we continue to build high quality software which meets the needs of our clients. Reporting to the Product Owner, the PHP Software Engineer will be responsible for: Supporting and developing our key products: www.citizenticket.co.uk (our ticketing platform) Eventree … written and spoken English who is able to conduct themselves professionally. The right individual will be highly motivated and seeking an ongoing career in software engineering. We welcome individuals from all kinds of backgrounds but would be particularly interested in people who have experience working on either event management More ❯

Microsoft BC Developer – Microsoft Developer, NetSuite Developer, BC developer, Systems engineer, ERP, Microsoft Great Plains Developer, NetSuite Developer, NetSuite systems engineer, Software engineer, technical consultant, GP developer, .NET, C-sharp, C Sharp, C#, AL programming, Microsoft BC, JavaScript, SQL, TypeScript, SuiteScript -Merseyside – Manchester – Devon – Cornwall – Hampshire – Berkshire – Surrey – London … well-designed, testable, efficient code, as well as produce functional designs, specifications, and time estimates. Key Skills & Experience: Extensive background in designing and building software solutions In-depth expertise in C# programming and the .NET ecosystem Demonstrated track record in developing solutions within Microsoft Dynamics 365 Business Central Skilled … connecting Business Central with external platforms through API integrations Well-versed in database architecture and proficient in SQL Server Thorough grasp of the full software development lifecycle, with practical knowledge of Agile practices Strong analytical mindset with a keen eye for detail Effective communicator with a collaborative approach to More ❯

Senior Software Engineer | React | Next.js | TypeScript | £100k | Remote La Fosse is partnering with a Tech for Good Start-up, building a revolutionary product for special educational needs identification and support. They are seeking a Senior Software Engineer to join their tight-knit team as they scale. This role … in London. Process: 3-stage virtual interview process If you are interested in this position and meet some of the requirements, apply now! Senior Software Engineer | React | Next.js | TypeScript | £100k | Remote More ❯

Senior Java Developer 🌍 Up to £150k 💸 - Remote Working 🏡 – 6+ years experience (PhD Required) Our client, a GreenTech specialising in optimum renewable energy software, is revolutionising the energy industry by making sustainable living accessible and effortless for both suppliers and consumers. They’re looking for a Senior Java Developer who … passionate about new, advanced technologies, being able to create impactful solutions in a fast-paced, collaborative environment. Role Highlights 🌟 Design and implement high-performance software systems using Core Java, without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronous programming for real … sustainable energy solutions, contributing to a greener future. Key Requirements ✅ Compulsory: A PhD in Computer Science and the ability to demonstrate extensive knowledge in Software Development. 6+ years with extensive hands-on experience in Core Java, developing systems from the ground up without frameworks. Advanced proficiency in multi-threading More ❯

Mid level Java Developer - 9 month contract - Hybrid - start ASAP This role will involve software development across multiple microservices. Need experience in: Strong knowledge and extensive experience of modern Java technologies, frameworks, and design principles. specifications. Test-Driven Development (TDD) and Behaviour Driven Development (BDD) practices and techniques. Will More ❯

opportunity to join a business where you can take part in additional projects that will allow you to scope out additional skills in data engineering, AI, Machine Learning and Power BI. Perfect for personal development! If you have a strong desire to work in a smaller team and develop More ❯

term engagement through 2026 Remote-first working with some flexibility for on-site collaboration Opportunity to work with modern technologies in a high-performing engineering team Interested? Get in touch to learn more or apply now. More ❯

derivative pricing tools and analytics for traders at hedge funds and investment banks. Due to sustained success, the firm are looking to add a Software Engineer to help support their growth. This role would suit an individual with experience within the financial space, working with large, abstract, code bases … Their ever-increasing popularity is due to them being able to deliver accurate prices quicker than other systems. What we are looking for: A software Engineer with experience working with large, complex code bases that has the ability to write ‘collaborative’ code Experience working in a collaborative team but More ❯

direction through direct feedback from high-stakes, real-world usage 💡 You Might Be a Fit If You... Have 4+ years of experience as a software or product engineer, ideally in fast-paced, early-stage environments Are proficient with modern web frameworks (Python, React, TypeScript, etc.) and can build production … Bring an entrepreneurial mindset , with an eye toward growing into a CTO, founding engineer, or VP-level role Thrive on ownership, autonomy, and delivering software that actually matters ✨ Why This Role Is Different Real-world AI, not hype – Work on production-grade, high-impact systems used by world-class More ❯

The Vacancy Are you a Software Development Engineer looking to join an organisation where what you do genuinely makes an impact? Where you are empowered, heard and able to think creatively? Then look no further because we are what you have been looking for! We are looking for a … Software Engineer with strong Python or Java experience and a passion for cloud/platform technologies skills to join our talented and innovative data engineering team. This role sits within a part of Optum UK responsible for taking large data sets from various sources and converting them into … support your team through identifying and implementing improvements and efficiencies. Other key responsibilities and accountabilities will include; Successfully develop, deliver, and maintain high quality software Maintain relevant documentation to describe logic, coding/configuration, testing and changes where applicable Work cross-functionally with other tech teams and business functions More ❯

Software Engineer - AI, Next.js, TypeScript Fully Remote - Remote UK Salaries paying £60k-£80k + Equity Our client is a forward-thinking AI start-up dedicated to building innovative software solutions powered by cutting-edge AI technologies. Their mission is to revolutionise the B2B software landscape by integrating … advanced Large Language Models (LLMs) into seamless, user-centric experiences. They are looking for talented Software Engineers to join their dynamic team and be part of the AI-driven transformation in the tech industry. About the Role As a Software Engineer, you will be an integral part of … their product team, working within a unified codebase that powers their B2B software and custom AI modules. Your role will encompass the entire feature lifecycle, from initial design and data structuring to advanced AI integration, ensuring robust, scalable, and high-performance solutions. Key Responsibilities: Design, build, and maintain web More ❯

Software Engineer - AI, Next.js, TypeScript Fully Remote - Remote UK Salaries paying £60k-£80k + Equity Our client is a forward-thinking AI start-up dedicated to building innovative software solutions powered by cutting-edge AI technologies. Their mission is to revolutionise the B2B software landscape by integrating … advanced Large Language Models (LLMs) into seamless, user-centric experiences. They are looking for talented Software Engineers to join their dynamic team and be part of the AI-driven transformation in the tech industry. About the Role As a Software Engineer, you will be an integral part of … their product team, working within a unified codebase that powers their B2B software and custom AI modules. Your role will encompass the entire feature lifecycle, from initial design and data structuring to advanced AI integration, ensuring robust, scalable, and high-performance solutions. Key Responsibilities: Design, build, and maintain web More ❯

work for a GreenTech company in zero tech debt that is committed to being the industry's top platform for a sustainable future? Java Software Engineer - GreenTech Start up! £60-90K + benefits Fully remote from anywhere in the UK We are partnered with an ‘energy-as-a … service’ platform, that was created to help both customers and suppliers advance the energy revolution. They are urgently looking for Java Software Engineers to join their rapidly growing team. Innovation is highly important to this company; they are looking for Java Software Engineers who wish to dominate the … a technology company, they only complete GREENFIELD work, building and developing all frameworks, databases and tools from scratch. Tech stack required as a Java Software Engineer: · Core Java · C · Experience with APIs · Microservices · Multithreading, concurrency & high throughput · AWS · Kubernetes Benefits you will enjoy as a Java Software Engineer More ❯

you helped build. If that sounds like your vibe, we’ve got a job you’ll want to see. This job is with the software supply chain company - securing and powering how software gets delivered everywhere. What you'll do: Embed security across the platform, from source to … their secure coding game. Build tools, automate boring stuff, and occasionally drop a ‘sploity’ proof of concept for fun. You need: A background in software development. At your core, you’re a software engineer. Python for sure and a bit of TypeScript never hurt anyone. Deep application security … or fancy things like SCA and data enclaves. You believe security should enable, not block, engineering. You’re a diplomat - you gotta work with engineering to secure the SDLC, not spook them. If interested, get in touch on rose@ninedots.io This job is remote on the Island of Ireland More ❯

C++ Software Engineers (All Levels) – Edinburgh Hybrid (2 Days On-Site) We’re at a pivotal stage in building the first of two new R&D teams for a cutting-edge medical technology company based in Edinburgh. This is a rare opportunity to join a greenfield project, with up … to 22 hires planned across Principal , Senior , and Mid-Level Software Engineer roles. The product is a next-generation, globally distributed medical device, backed by a major parent organisation that ensures long-term stability and investment. The company offers a positive work-life balance, with standard working hours (Monday More ❯

defense technology company revolutionizing the way autonomous systems are deployed across multiple domains. We design, develop and manufacture high performance unmanned vehicles that are software-defined, mass-scalable, and cost effective – giving NATO and its allies a decisive edge in the most contested environments. We’re focused on delivering … the technological edge of NATO Allies and their Partners to deter aggression and defend Europe—today. Your Mission Coding! Developing the backend of our software backbone from scratch, with a particular focus on integrating our assets and sensors Testing - both software and mission functionality and reliability Help improve … difficult technical problems. Constantly be challenging requirements to determine what adds value and what is not. Qualifications Bachelor's or Master's degree in Engineering or a related field. Good proficiency in Rust and C++ development Knowledge of autopilot, flight control systems or anything similar is a great bonus More ❯

Senior Software Engineer – Java - FinTech Remote First | London (UK) | Up to £120k + Benefits Are you a Java developer who thrives in a collaborative, test-driven environment? Do you believe in pair programming, continuous integration, and clean, maintainable code? If so, we’d love to hear from you. Our More ❯

About the Company We are delighted to be working with this cutting-edge technology company in their pursuit of a Senior Software Engineer with experience in C or C++ to join their team on a full time, permanent basis. The role offers an excellent benefits package including company bonus … be a British Citizen or Dual UK National (including British Citizenship). About the Role Key responsibilities will include: Developing and supporting in-house software packages Working on new products and cross-domain solutions Collaborate with key stakeholders to understand business requirements Writing clean, scalable code Troubleshoot issues that More ❯

empower creators to connect with their fans and monetise their content, leveraging cutting-edge AI to fuel their success. We’re looking for a Software Engineer to fully own and evolve Fadmin , our internal admin tool that powers the day-to-day operations of Fanvue. Built on React, Prisma … environment What you’ll do: Develop and maintain Fadmin, an internal admin tool built on React-Admin, Prisma, and MUI Collaborate with product and engineering teams to build intuitive and efficient internal workflows Design and implement CRUD interfaces and custom views using React-Admin Create and manage database queries More ❯

who: is already at Lead/Staff level (this won’t suit a Senior looking to step up) has broad experience as a respected engineering leader, setting tech direction can technically lead the build of complex systems across the full stack is pragmatic when choosing the right languages and … user outcomes and making data - informed decisions has a natural desire to collaborate cross-functionally and craft org - wide relationships ✅ This will suit an engineering generalist who cares most about the problem being solved ❌ This will not suit an engineer who is wedded to specialising in one particular tech More ❯

ROI platform — built from first principles to prioritise momentum, quality, and empathy. As they expand globally, they’re investing in a best-in-class engineering team — starting with a core UK/Northern Ireland base. The Opportunity This is a strategic hire for a Lead Application Developer who will … cloud-native communities • Working knowledge of ML or AI-led querying and optimization techniques Why Join? • Shape the early foundations of a new product engineering function in the UK • Work directly with the platform architect and exec team on roadmap and design • High trust, low-ego environment with global More ❯

product leaders, gaining end-to-end experience in the product lifecycle while directly contributing to the evolution of innovative Smart Grid and Energy Market software solutions. You’ll be the voice of the user, translating real-world feedback into actionable insights that shape future development. Your work will be … etc.). Support backlog management and sprint planning with cross-functional development teams. Support product demos with prospective and existing users. Collaborate across Product, Engineering, Sales, and Marketing to launch new products and enhancements. Research market and competitor trends to inform positioning and roadmap decisions. Build a deep understanding … of global power system challenges and how technology can solve them. About You Degree (2:1 or higher) in Engineering or Software Engineering. Strong communication skills, with the ability to simplify complexity. Organised and self-motivated with strong ownership and accountability. Comfortable in fast-paced, evolving environments with More ❯