Software Development Engineer in Test (SDET) Remote-first £50–65k DOE + Share Options The Story So Far CyberHive builds secure, high-performance networking technology used in some of the most demanding environments, from defence systems to emergency response. Their software helps organisations stay connected when it matters most. It’s even being used to support real … close-knit technical team and a clear mission: to make secure connectivity simple, robust, and trustworthy. Now they’re ready for the next step, bringing in their first dedicated Software Development Engineer in Test to help them strengthen how they build, test, and prove reliability at scale. Why This Role Matters Until now, their developers have owned most … QA. Beyond 12 months CyberHive can demonstrate formal, evidence-based testing results to customers — building credibility and trust at every stage. Who You Are You’re a hands-on engineer who loves the nuts and bolts of how systems actually work. You can write elegant Python scripts, wire up a network, and spot an unstable configuration before it bites. More ❯
Newbury, England, United Kingdom Hybrid/Remote Options
ISL Talent
Software Development Engineer in Test (SDET) Remote-first £50–65k DOE + Share Options The Story So Far CyberHive builds secure, high-performance networking technology used in some of the most demanding environments, from defence systems to emergency response. Their software helps organisations stay connected when it matters most. It’s even being used to support real … close-knit technical team and a clear mission: to make secure connectivity simple, robust, and trustworthy. Now they’re ready for the next step, bringing in their first dedicated Software Development Engineer in Test to help them strengthen how they build, test, and prove reliability at scale. Why This Role Matters Until now, their developers have owned most … QA. Beyond 12 months CyberHive can demonstrate formal, evidence-based testing results to customers — building credibility and trust at every stage. Who You Are You’re a hands-on engineer who loves the nuts and bolts of how systems actually work. You can write elegant Python scripts, wire up a network, and spot an unstable configuration before it bites. More ❯
Are you a SoftwareEngineer looking for a new challenge? Help save lives every day - join Sopra Steria, the force behind STORM, the command and control system trusted by UK emergency services. We are hiring Software Developers to support the ongoing development of our STORM application, built using VB.Net with a WPF client. You will work across … occasional travel to our office in the Hertfordshire area to participate in in-person team meetings, and collaborative sessions. What you will be doing: Designing, developing, and maintaining scalable software applications. Writing clean, efficient, and well-documented code. Participating in the full software development lifecycle including requirements analysis, design, implementation, testing, and deployment. Collaborating with senior developers and … developers in a collaborative, learning-focused environment. Staying up to date with the latest technologies, tools, and industry trends. What you will bring: Experience across all aspects of the software development lifecycle. Strong skills in VB.Net, with familiarity in other programming languages. Experience working with WPF applications and the MVVM architecture pattern. Strong problem-solving abilities and attention to More ❯
Hemel Hempstead, Hertfordshire, England, United Kingdom Hybrid/Remote Options
Sopra Steria
Are you a SoftwareEngineer looking for a new challenge? Help save lives every day - join Sopra Steria, the force behind STORM, the command and control system trusted by UK emergency services. We are hiring Software Developers to support the ongoing development of our STORM application, built using VB.Net with a WPF client. You will work across … occasional travel to our office in the Hertfordshire area to participate in in-person team meetings, and collaborative sessions. What you will be doing: Designing, developing, and maintaining scalable software applications. Writing clean, efficient, and well-documented code. Participating in the full software development lifecycle – including requirements analysis, design, implementation, testing, and deployment. Collaborating with senior developers and … developers in a collaborative, learning-focused environment. Staying up to date with the latest technologies, tools, and industry trends. What you will bring: Experience across all aspects of the software development lifecycle. Strong skills in VB.Net, with familiarity in other programming languages. Experience working with WPF applications and the MVVM architecture pattern. Strong problem-solving abilities and attention to More ❯
Belfast, Northern Ireland, United Kingdom Hybrid/Remote Options
ARC Regulatory
technologies and supported by a team of regulatory, quality, and clinical operations experts, ARC360 is designed to accelerate the initiation of complex clinical trials. Job Purpose As a Senior SoftwareEngineer, you will play a key role in designing, developing and maintaining high performance cloud-based applications. You'll work with cutting-edge Azure technologies to support our … mission in precision medicine research. You will be a vital link between the software team and Internal & external stakeholders. Key Responsibilities Develop & maintain applications using .NET (C#), .NET Core, and Azure technologies. Collaborate with product managers, designers, and developers to create high-quality software solutions. Mentor junior members of the development team, providing expert support when required. Contribute … to design decisions for up-and-coming projects Become a vital link between the software team and key internal and external stakeholders. Design and manage MS SQL Server databases, optimizing performance and scalability. Implement Azure cloud services (App Services, Functions, Storage, DevOps). Participate in code reviews and contribute to software development best practices. Troubleshoot and debug applications More ❯
Manchester, Lancashire, England, United Kingdom Hybrid/Remote Options
Lorien
I'm looking for a Senior .NET SoftwareEngineer to work on impactful, in-house platforms with a forward-thinking engineering team. My client is an established technology-driven company based in the North West of England, and are hiring a permanent .NET developer to help drive innovation and build robust software solutions that scale. The Role … You'll play a key role in developing and maintaining my clients internal software platforms, working across the full development lifecycle. The ideal candidate will have strong experience with backend technologies and a proactive approach to cloud-native development. Location This is a remote-first role, but we're ideally looking for someone based within a commutable distance of … Stack C#/.NET (Core and Framework) Azure cloud services Kubernetes (AKS) RESTful APIs & Microservices SQL & NoSQL databases CI/CD & modern DevOps practices Experience Solid experience in .NET software engineering (C#) Strong cloud experience, ideally with Azure Familiarity with containerisation & orchestration (Kubernetes preferred) Good understanding of software architecture and clean code principles Comfortable working independently and as More ❯
Hayes, Hillingdon, Greater London, UK Hybrid/Remote Options
The Electric Car Scheme
Senior SoftwareEngineer Hayes, London Hybrid We are looking for a Senior Web Application Developer with 5+ years of experience in building and maintaining scalable, high-quality applications to join our growing tech team. As a senior member, you’ll play a key role in driving technical decisions, mentoring teammates, and ensuring best practices across the development lifecycle. … for non-technical colleagues. Experience with various testing methodologies (e.g., unit, integration, end-to-end) and a commitment to writing well-tested code. A commitment to robust and reliable software delivery, including familiarity with practices like no-downtime deployments, proactive monitoring, and identifying potential risks. Proven ability to lead technical initiatives from concept to completion, often involving multiple team More ❯
Hayes, England, United Kingdom Hybrid/Remote Options
The Electric Car Scheme
Senior SoftwareEngineer Hayes, London Hybrid We are looking for a Senior Web Application Developer with 5+ years of experience in building and maintaining scalable, high-quality applications to join our growing tech team. As a senior member, you’ll play a key role in driving technical decisions, mentoring teammates, and ensuring best practices across the development lifecycle. … for non-technical colleagues. Experience with various testing methodologies (e.g., unit, integration, end-to-end) and a commitment to writing well-tested code. A commitment to robust and reliable software delivery, including familiarity with practices like no-downtime deployments, proactive monitoring, and identifying potential risks. Proven ability to lead technical initiatives from concept to completion, often involving multiple team More ❯
Job Title: Lead SoftwareEngineer Location: United Kingdom Work Pattern: Fully remote (UK-based preferred) Salary: £80,000–£90,000 + Equity Job Position: Permanent This position does not offer sponsorship Our client is building the next generation of personal finance for the UK — think Cleo or Emma, but powered by real intelligence. Their app connects to users … uses AI to analyse conversations and transactions to deliver hyper-personalised financial recommendations. They have built the foundations. Now they're looking for a hands-on, senior full-stack engineer to help us scale from MVP to a live, multi-featured consumer product and build the engineering team that will take us there. What You’ll Do Own and … scale infrastructure, and make technical decisions. Play a key role in hiring and mentoring future engineers as we expand post-funding. Who You Are A senior-level full-stack engineer (4–6 years’ experience) comfortable taking technical ownership in a fast-paced startup. Proficient with React Native (or strong React + mobile experience). Backend experience with Node.js or More ❯
City of London, London, United Kingdom Hybrid/Remote Options
CXC
We’re seeking a skilled C++ SoftwareEngineer to join our client’s multidisciplinary team developing advanced intra-operative medical devices. You’ll be contributing to the core application software, enhancing existing systems, and helping to build the next generation of surgical technology that integrates application, embedded, and cloud components. This is an opportunity to work on … high-performance, secure, and reliable medical-grade software in a dynamic, innovative environment. Location: London, United Kingdom Type: Contract (6+ Months) | Hybrid Key Responsibilities Develop and enhance software for intra-operative devices. Ensure maintainability, reliability, and performance of existing software systems. Improve device monitoring and cloud connectivity capabilities. Investigate and resolve technical issues reported during testing or … support. Contribute to security and regulatory compliance processes. Deliver robust, secure-by-design software for medical applications. Must-Have Skills BS/MS in Computer, Electrical, or Electronics Engineering (or equivalent). Proven experience writing high-quality, high-performance C++ (C++17 or newer) code. Strong knowledge of Unix/Linux environments. Hands-on experience with inter-process communication (gRPC More ❯
We’re seeking a skilled C++ SoftwareEngineer to join our client’s multidisciplinary team developing advanced intra-operative medical devices. You’ll be contributing to the core application software, enhancing existing systems, and helping to build the next generation of surgical technology that integrates application, embedded, and cloud components. This is an opportunity to work on … high-performance, secure, and reliable medical-grade software in a dynamic, innovative environment. Location: London, United Kingdom Type: Contract (6+ Months) | Hybrid Key Responsibilities Develop and enhance software for intra-operative devices. Ensure maintainability, reliability, and performance of existing software systems. Improve device monitoring and cloud connectivity capabilities. Investigate and resolve technical issues reported during testing or … support. Contribute to security and regulatory compliance processes. Deliver robust, secure-by-design software for medical applications. Must-Have Skills BS/MS in Computer, Electrical, or Electronics Engineering (or equivalent). Proven experience writing high-quality, high-performance C++ (C++17 or newer) code. Strong knowledge of Unix/Linux environments. Hands-on experience with inter-process communication (gRPC More ❯
Caldecotte, Milton Keynes, Buckinghamshire, England, United Kingdom Hybrid/Remote Options
Connells Group HQ
Job Description We are seeking a skilled and motivated Lead SoftwareEngineer to join our Group Technology team in Milton Keynes. In this role, you will take the lead in developing, supporting and enhancing business systems and applications using .NET technologies and SQL Server. You will also play a key part in driving and supporting change within the … and technically.We offer a hybrid working arrangement with one or two days per week in our Milton Keynes office. Key Responsibilities: Be up to date regarding best practices in software development and deployment Implement best practice coding in relation to development coding standards Provide direction for more Junior Software Engineers Foster a culture of observability across the team. … resolve them before they become an issue, and install preventative measures to mitigate repeat occurrences Effectively handle risk, change, and uncertainty across the organization Work alone or alongside other Software Engineers on projects where necessary Create secure and high performing n-tier applications utilising best practices in the development of database applications using SQL Contribute to improve the overall More ❯
Den Haag, Zuid-Holland, Netherlands Hybrid/Remote Options
Signum People Solutions
Overview You will be responsible for leading a team of high-calibre engineers with strong academic backgrounds, and you will enjoy technical discussion around design, development and software engineering best-practice. Supported by a team of DevOps Engineers and Product design specialists, the Lead SoftwareEngineer must have strong communication skills and enjoy coaching and mentoring developers … in a highly collaborative environment. Responsibilities Lead, coach and mentor engineering teams Collaborate on design, development and software engineering best-practice Communicate effectively across cross-functional teams Engage in experimentation with new technologies outside your comfort zone (e.g., Rust, Python, Next.js, NoSQL, SQL, Express.js) Qualifications Minimum eight years of commercial experience Passion for emerging and interdisciplinary topics (agentic systems … package in the region €80-90k per annum. Location The Hague, South Holland, Netherlands Seniority level Mid-Senior level Employment type Full-time Job function Information Technology Industries Software Development and IT System Custom Software Development How to apply Please apply for this role or call (0) for more information. More ❯
Milton Keynes, England, United Kingdom Hybrid/Remote Options
Maxwell Bond
Software Developer Remote working (monthly meetups in Milton Keynes) Up to 50K We’re looking for an experienced Software Developer to join a leading provider of digital solutions within the education sector. You’ll be part of a collaborative, Agile development team designing, building, and maintaining software that benefits schools and parents. As their new Software … due to monthly team meetups in Milton Keynes), only a 2 stage interview process, 25 days + Bank Hols annual leave, + much more If you are a passionate Software Developer and enjoy building clean code, collaborating with others, and designing high-quality software, then apply today More ❯
growth and is certified as a Great Place to Work for 2024 and named a 2024 finalist for Fast Company's Best Workplaces for Innovators! Role As a Senior SoftwareEngineer , you'll play a key role in designing, developing, and maintaining high-quality software solutions. You'll work closely with cross-functional teams to build scalable … be proficient in either Frontend or Backend development - bonus points if you are, or desire to be, full-stack! Overall Responsibilities Architect, design, and develop robust, scalable, and maintainable software solutions. Lead technical discussions and contribute to high-level architectural decisions. Collaborate with product managers, designers, and other engineers to deliver high-impact features. Ensure code quality through peer … databases, and APIs to ensure efficient data management and seamless communication between the front end and server. Create RESTful or GraphQL APIs to enable smooth data exchange between various software components and external systems. Optimize code and infrastructure to handle increasing loads, ensuring the application can scale efficiently. Qualifications 5+ years of experience in software development. Strong proficiency More ❯
Milton Keynes, Buckinghamshire, South East, United Kingdom Hybrid/Remote Options
Connexa
Our client, a growing consultancy delivering cutting-edge AI and data-led services to government and public sector clients, is looking for a Full Stack SoftwareEngineer to join their forward-thinking team in Milton Keynes. This is a fantastic opportunity to contribute to a nationally recognised AI innovation platform used to drive sensitive data discovery, redaction, and … play a key role in the development, deployment, and support of a secure full stack system used across the UK public sector. Responsibilities: Design, build, and test full stack software in a secure, client-focused environment Work with modern front-end technologies (React, TypeScript, HTML/CSS) to deliver intuitive UI/UX Develop robust back-end services using … budget, mentoring, and formal training The chance to be part of a highly impactful and nationally recognised AI-led innovation project This is an excellent opportunity for an ambitious engineer who enjoys solving real-world problems through modern software and AI, and wants to make a tangible impact on the future of public sector digital services. Keywords: Full More ❯
Senior SoftwareEngineer (Web & iPortal) About iProov iProov is the world leader in biometric verification. We are on a mission to make the world a safer place for businesses and consumers and work with fantastic customers across a number of industry sectors - organizations using our technology include the US Department of Homeland Security, the UK Home Office, the … experience writing easily testable code (e.g. using dependency injection) Experience in cloud technologies (GCP preferred), IaC (e.g. Terraform), containers, container orchestration (e.g. Kubernetes), virtualisation and web servers Experience building software that scale Ability to share knowledge and mentor other team member s Benefits 25 days Annual Leave, plus 8 Bank Holidays (more holiday with service - up to an extra More ❯
Bristol, Avon, England, United Kingdom Hybrid/Remote Options
Health Hero
We have an exciting opportunity for a Senior SoftwareEngineer (C#) to join our Product & Tech team on a full-time, permanent basis. If you're a self-starter with a keen interest in software development and enjoy collaborating in a team setting, we want to hear from you. About the role This is a pivotal role … scalable user experiences that simplify healthcare and improve lives. Our platform serves thousands of users, and your work will directly impact their experience. At HealthHero, developers own the entire software development lifecycle — from refining business requirements to design, development, deployment, monitoring, and continuous support. This end-to-end ownership empowers our engineers to contribute meaningfully to the business and … also mentor team members and grow both your technical and leadership skills. Day to day, your responsibilities will include but not be limited to: Deliver efficient, stable and scalable software systems Work closely with Technical Leads and Product Owners to deliver business value Design, develop and maintain complex applications and services using C# and the .NET ecosystem Participate in More ❯
Overview Senior SoftwareEngineer - Infrastructure Job ID: EV3090 Location: London - The River Building HQ Permanent Ready to apply? Get started with your online application. Not quite your dream role? Sign up to be notified when the right vacancy comes along. The Team At Deliveroo we're striving to build one of the world's best engineering organisations. We … unique and difficult problems at scale in an energetic and fast-paced environment. We're growing quickly and need experienced engineers to help us scale. We're looking for software engineers who can have a transformative influence on the way we build, operate and run our database infrastructure. What will you do? Design and build the systems automation required … growth of colleagues. We don't expect you to meet all of the items below, but experience in some areas is desirable: Pride in readable, well-designed, well-tested software; Familiarity with relational and NoSQL databases (e.g., PostgreSQL, DynamoDB, Redis); Strong background in software engineering, preferably Go and/or Python; Practical experience in cloud engineering, preferably AWS. More ❯
Senior SoftwareEngineer - Platform Department: Engineering Employment Type: Permanent Location: London Hybrid: 2 days per week in our London office (Tower Bridge/London Bridge) Overview About Uswitch: At Uswitch, our goal is to be the UK's favourite way to choose and manage home-life essentials - from broadband and mobiles to energy and insurance. As we continue More ❯
events in our office such as Lua London and Ladies Who Code and speak at events like Digital Shoreditch and LNUG. The Role We're looking for a Senior SoftwareEngineer to join our digital product delivery function. Red Badger builds high-quality digital products using a lean delivery process and multidisciplinary, cross-functional teams. The work we … in the right way. You will lead by example; getting your hands dirty in the code, inspiring your peers & educating our clients. You are passionate about the craft of software development and contribute to technical and non-technical discussions that help shape the direction of digital product delivery. You are able to work independently, as well as collaboratively, on … user stories within an agile delivery environment and are versed in modern software delivery practices. You care about creating quality software that meets the needs of our client's vision and goals, in a thoughtfully pragmatic way. As well as contributing to production-grade code bases, you will also be proactive in working directly with the client to More ❯
About Phorest Would you like to create the future of a product used by thousands of businesses and millions of consumers? Phorest Salon Software powers over 11,000 hair and beauty salons in Ireland, UK, Germany, Australia, Finland, USA, Canada, UAE and Netherlands and the platform processes 7 million appointments a month for hair and beauty consumers. Phorest is … the number 1 salon software brand for premium independent salons in those markets and our next goal is to become a platform upon which other companies can build applications for premium salons. Our system touches every point of the salon experience. We have the in-salon software desktop application, Phorest Go (the native staff application), online bookings website … and 4 million emails. We process 200k online bookings per month and over 150 custom built white label native apps. The Opportunity We are looking for a new Senior SoftwareEngineer to join our Consumer Group. You will join a multidisciplinary group of technology, product, and design folks in building the future of the hair, beauty, and MedSpa More ❯
Didcot, Oxfordshire, England, United Kingdom Hybrid/Remote Options
Hays Specialist Recruitment Limited
space operations and exploration. You'll be part of a collaborative and forward-thinking environment where cutting-edge technology meets meaningful purpose. Your New Role As a Full Stack SoftwareEngineer, you'll be a key contributor to the Ground Segment Software team, working on mission-critical applications for space operations. You'll design, develop, and maintain … robust software solutions supporting major space missions, including the development of backend services, dynamic user interfaces, and high-performance databases. Your expertise will help shape scalable systems using modern technologies like Docker, Kubernetes, and CI/CD pipelines. Collaboration is central to this role, with opportunities to work closely with cross-functional teams and lead agile development practices.Ideal candidates … succeed To thrive in this role, you'll need: Essential Skills * Bachelor's degree in Computer Science, Engineering, or equivalent practical experience.* 3+ years of real-world experience developing software for mission-critical applications in the space domain or adjacent industries.* 3+ years of full stack development experience.* 3+ years of object-oriented programming experience (preferably in Java, Python More ❯
Gloucestershire, England, United Kingdom Hybrid/Remote Options
Anson McCade
SoftwareEngineer (Java/JavaScript/Node/Full Stack) Gloucester (Hybrid, 2–3 days on site) £42,000 – £62,000 + £7,000 Annual DV Bonus + Excellent Package | Permanent Our client is a digital intelligence consultancy supporting mission-critical programmes in the UK’s National Security sector. Their engineers design and deliver high-assurance software … developing full-stack solutions in Java, JavaScript, or Node.js — building secure platforms and APIs that process and analyse sensitive data at scale. It’s a technically rich environment, combining software engineering, data, and cloud infrastructure in projects that directly support the UK’s intelligence mission. Key Responsibilities Build and maintain secure, high-performing applications using Java or JavaScript/ More ❯
White Collar Factory (95009), United Kingdom, London, London Senior Software Development Engineer - Services About this role We are seeking a Senior SoftwareEngineer who can walk in the shoes of our users, communicate & collaborate with teams in Business, Technology and Operations, bringing a passion for using software and technology to create impactful solutions. To be … on requirements, bringing it all together into an achievable, impactful solution that creates business value. What you'll do Design, develop, test and maintain a range of internal facing software products and solutions that automate Business processes Work to achieve the goals and vision shared by Product Management and your team Leadership Be an advocate for governance, documentation and … your solutions. You'll also be great at keeping them in the loop Provide technical leadership and innovate within your team. What we're looking for A passion for software engineering and a track record of delivering solutions in an efficient and maintainable manner Exceptional programming skills and knowledge of building APIs using modern OO languages preferably Java, SOLID More ❯