1 to 25 of 38 Web Application Development Jobs in the UK excluding London

Are you an experienced Senior C# ASP .Net Developer looking for a new challenge to enhance your development skills? Our clients are a leading web development agency seeking a Senior .Net Developer to deliver technically excellent web solutions for high profile brands. About the role Working within a team of designers, front-end developers and .Net … small, and carve a niche within the agency. Responsibilities You will be required to work on projects of varying sizes and will involve working through the entire lifecycle of web application development, including: .NET web application development Leading and supporting others within the development team Preparing functional and technical specification documents Scoping projects … requirements capture and delivering time estimates Essential skills and experience Commercial ASP.NET web application development using C#, MVC and SQL Server with a specific focus on e-commerce and CMS platforms Experience working as technical lead on commercially focused web development projects, and demonstrate an ability to communicate directly with clients Experience of using version More ❯

Job Role: Senior/Lead Application Developer (MERN) Job Type: Contract Industry: FMCG Location: Remote, UK Rate: £ 500/day to £600/day (Outside IR35) Profile – Senior/Lead Application Developer (MERN) Our client is a leading figurehead in the UK food sector, with an unparalleled pedigree dating back to the early 18th century. Job Role – Senior …/Lead Application Developer (MERN) The successful candidate will be responsible for designing, developing, and maintaining web applications using the MERN technology stack, which includes MongoDB, Express.js, React.js, and Node.js. The ideal candidate should have a strong understanding of the full web development life cycle, a thorough understanding of AWS and be able to work independently … with other developers. The role will deal with both fixes/enhancements to existing applications as well as developing new applications to meet business needs. Duties – Senior/Lead Application Developer (MERN) • Developing web applications using the MERN stack , typescript • Collaborating closely with cross-functional teams to conceptualize, define, and implement new features. • Work with Public Cloud (AWS More ❯

Job Role: Senior/Lead Application Developer (MERN) Job Type: Contract Industry: FMCG Location: Remote, UK Rate: £ 500/day to £600/day (Outside IR35) Profile – Senior/Lead Application Developer (MERN) Our client is a leading figurehead in the UK food sector, with an unparalleled pedigree dating back to the early 18th century. Job Role – Senior …/Lead Application Developer (MERN) The successful candidate will be responsible for designing, developing, and maintaining web applications using the MERN technology stack, which includes MongoDB, Express.js, React.js, and Node.js. The ideal candidate should have a strong understanding of the full web development life cycle, a thorough understanding of AWS and be able to work independently … with other developers. The role will deal with both fixes/enhancements to existing applications as well as developing new applications to meet business needs. Duties – Senior/Lead Application Developer (MERN) • Developing web applications using the MERN stack , typescript • Collaborating closely with cross-functional teams to conceptualize, define, and implement new features. • Work with Public Cloud (AWS More ❯

Senior Application Security Engineer Cambridgeshire Based - 1-2 days a week onsite We are looking for an experienced Senior Application Security Engineer to join our client's expanding Cyber Security team. This is an incredible opportunity to craft a world-class Application Security function , playing a critical role in embedding security within all stages of the development lifecycle. What you'll be doing: Becoming a key contributor to the Cyber team by focusing on application security architecture and implementing a robust risk management programme. Collaborating closely with different teams to devise plans, perform threat modelling, adopt architecture best practices, drive secure development lifecycles, and manage risk remediation. Providing expertise in security best practices and … compliance while undertaking hands-on security testing. Identifying application security risks and supporting requirements for new projects and system developments. Representing the Cyber team during review sprints to ensure application security is prioritised before deployment. Partnering with architecture and development teams to review application design and code for security vulnerabilities. Establishing and promoting a threat modelling More ❯

to assist in bringing our world-leading colour correction technology for film & television production into the new frontier of cloud-based post-production. We would like to extend our development team to include an experienced full-stack Cloud Software Developer. This position is based in our London office, with hybrid working available. Experience should include some or all of … the following: Back-end web application development: Python: Flask PostgreSQL Pulumi/Terraform Infrastructure-as-Code Front-end web development: JavaScript, Vue.JS Cloud computing: VM deployment & image management Networking & security Auto-scaling Object storage Linux software development: Containers (Docker/Podman) Security & authentication: OAuth2 Linux PAM Experience with C/C++ would be advantageous More ❯

to assist in bringing our world-leading colour correction technology for film & television production into the new frontier of cloud-based post-production. We would like to extend our development team to include an experienced full-stack Cloud Software Developer. This position is based in our London office, with hybrid working available. Experience should include some or all of … the following: Back-end web application development: Python: Flask PostgreSQL Pulumi/Terraform Infrastructure-as-Code Front-end web development: JavaScript, Vue.JS Cloud computing: VM deployment & image management Networking & security Auto-scaling Object storage Linux software development: Containers (Docker/Podman) Security & authentication: OAuth2 Linux PAM Experience with C/C++ would be advantageous More ❯

Application Security Specialist (DevOps) Hybrid – Cambridge, UK (1 day a week in office) We’re looking for an experienced Application Security Specialist to join a growing cyber security team and play a key role in shaping a world-class application security programme. This role will give you the chance to work closely with engineering and development teams, embedding security into the development lifecycle, driving automation, and influencing remediation plans that have real impact. What you’ll be doing Guiding teams on security best practices, compliance, and secure coding. Collaborating with architects and developers to review designs and code for vulnerabilities. Embedding/improving threat modelling and secure development practices into the SDLC. Designing … and integrating security testing plans. Performing and overseeing application security testing and driving remediation. Managing end-to-end vulnerability workflows, including bug bounty findings. Supporting incident response activities when needed. Monitoring and reporting on application security metrics, KPIs, and emerging threats. Automating processes for vulnerability detection and integrating tools into the pipeline. Note: this position includes participation in More ❯

Application Security Specialist (DevOps) Hybrid – Cambridge, UK (1 day a week in office) We're looking for an experienced Application Security Specialist to join a growing cyber security team and play a key role in shaping a world-class application security programme. This role will give you the chance to work closely with engineering and development teams, embedding security into the development lifecycle, driving automation, and influencing remediation plans that have real impact. What you'll be doing Guiding teams on security best practices, compliance, and secure coding. Collaborating with architects and developers to review designs and code for vulnerabilities. Embedding/improving threat modelling and secure development practices into the SDLC. Designing … and integrating security testing plans. Performing and overseeing application security testing and driving remediation. Managing end-to-end vulnerability workflows, including bug bounty findings. Supporting incident response activities when needed. Monitoring and reporting on application security metrics, KPIs, and emerging threats. Automating processes for vulnerability detection and integrating tools into the pipeline. Note: this position includes participation in More ❯

Professional) status for Developer Technologies for the fourth consecutive year. This prestigious recognition, held by fewer than 3,000 individuals worldwide, acknowledges Jamie's exceptional contributions to the global development community and his continued commitment to advancing modern software development practices. The Microsoft MVP award recognises technical community leaders who actively share their expertise to help fellow developers … succeed. Jamie's sustained recognition since 2021 demonstrates his unwavering dedication to knowledge sharing, community building, and technical innovation within the software development ecosystem. His contributions span multiple channels, from creating widely-adopted open-source security tools to producing educational content that reaches developers across the globe. Jamie's community impact is exemplified through The Modern .NET Show podcast … career stages. Technical excellence through open-source contribution forms another cornerstone of Jamie's recognition. His OwaspHeaders.Core library has achieved remarkable success with over 1.2 million downloads, providing essential web application security features to developers across the .NET ecosystem. The library implements OWASP Secure Headers Project recommendations, enabling developers to enhance their application security with minimal effort More ❯

Server.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 Use operational data to improve the stability and performance of the applications Maintain documentation and release … notes Have awareness of application security considerations Identify dependencies across the organization and work with teams to 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 processes and methodologies followed by the wider team Design and develop commercial/enterprise web applications Ensure application performance, quality, and responsiveness Work with all teams to recommend solutions that are in accordance with accepted testing frameworks Experience and Skills More ❯

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. Help … teams use operational data to improve the stability and performance of their applications Maintain documentation and release notes Have awareness of application security considerations Lead incident response across the team as needed Identify dependencies across the organization and work with teams to resolve them before they become an issue, and install preventative measures to mitigate repeat occurrences Effectively handle … 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 processes and methodologies followed by the wider team Design and develop commercial/enterprise web applications Ensure application More ❯

Head of Development required by a market-leading, award-winning business to lead their software development function in Swindon. This hybrid role offers 2-3 days per week on-site with flexibility. This is a senior leadership position responsible for overseeing the delivery and quality of all software development projects. The successful candidate will lead a team … of developers, ensuring technical excellence, innovative solutions, and alignment with business objectives. The role combines strategic oversight with hands-on involvement in development. Key Responsibilities Lead and manage development, QA, DevOps, and IT support teams to deliver high-quality software and infrastructure. Define and implement strategic software development plans in line with organisational goals. Ensure projects are delivered … Monitor project progress and implement continuous improvement initiatives. Stay up to date with emerging technologies and recommend beneficial solutions. Maintain adherence to technology standards and best practices across all development teams. Communicate technology strategies clearly to internal teams and across the organisation. Skills and Experience Proven experience in senior leadership roles, with the ability to motivate and manage high More ❯

days onsite per week) Contract: 6 months Rate: £415 per day (via umbrella company) We're looking for a hands-on C# .NET Developer to join our JRIE Development team as an AVP. This is a fantastic opportunity to work on business-critical Windows applications in a collaborative, technically strong environment. If you have a passion for backend development … using SQL Server and Oracle. Translate business requirements into scalable technical solutions. Write and optimize SQL scripts (T-SQL and PL/SQL). Support production, disaster recovery, and development environments. Collaborate with DBAs, infrastructure, and support teams across London and New York. Troubleshoot and resolve issues across application and database layers. Follow change management procedures and maintain … application change history. Provide occasional out-of-hours support (weekday/weekend). What We're Looking For Essential Skills & Experience Strong hands-on experience in C# and .NET development. Solid background in Windows application development. Proficient in SQL scripting, especially with large datasets. Understanding of MS .NET Framework and object-oriented programming. Excellent communication skills with both More ❯

Key Responsibilities Develop and deploy full-stack, AI-based enterprise applications on an AI Platform Test, troubleshoot, and enhance customer software applications with and on behalf of customers Identify application performance bottlenecks and implement optimizations Conduct design and development reviews of customer software applications Write application specifications and documentation We are known for our extraordinary people who … and backgrounds. We shine the brightest when we tap into the many dimensions that thrive across over 21,000 difference-makers in our workplace. Work Experience Qualification Musts: Software development experience with JavaScript and Python Requires theoretical to advanced knowledge of solving problems with software. Experience solving problems through exercise of discretion and/or judgment, drawing from prior … to at least one of the leading cloud computing platforms (i.e., GCP, AWS, Azure) Understanding of SQL and NoSQL databases Proficiency in object-oriented programming , data structures , algorithms and web application development . More ❯

.NET Developer, C# - Global Technology Brand - Witney, Oxfordshire (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, WPF, React, Angular 19, Microservices, Azure, Web API 2, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Our clients fascinating story dates back to 1981; today they have fast become one of the most instantly recognised technology brands across the globe. … recently allocated a £2 billion annual R&D budget to fuel the invention of products, solutions and new technologies they are looking to expand their award winning .NET software development team. We are seeking .NET Developer candidates with experience of either web application development (.NET Core/ASP.NET MVC, C#) or winforms/WPF (C#) development. … Our client will provide you with training into: .NET 9, WPF, MVVM, Prism, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and Azure SQL.You will follow the firms official career progression programme. This is coupled with 18 days of dedicated technical training per year, bi More ❯

.NET Developer, C# - Global Technology Brand - Wellington, Somerset (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, WPF, React, Angular 19, Microservices, Azure, Web API 2, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Our clients fascinating story dates back to 1981; today they have fast become one of the most instantly recognised technology brands across the globe. … recently allocated a £2 billion annual R&D budget to fuel the invention of products, solutions and new technologies they are looking to expand their award winning .NET software development team. We are seeking .NET Developer candidates with experience of either web application development (.NET Core/ASP.NET MVC, C#) or winforms/WPF (C#) development. … Our client will provide you with training into: .NET 9, WPF, MVVM, Prism, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and Azure SQL.You will follow the firms official career progression programme. This is coupled with 18 days of dedicated technical training per year, bi More ❯

My world-class client are looking the very best PHP Engineers to join their Technology team. If you're looking to work on Enterprise-scale web application development (including a lot of new development/new features!) for a hugely reputable business with one of the largest PHP outfits in the country... Look no further. This … how the invest in their employees. You'll be given a personal progression plan from day one, with quarterly one-to-ones with your hiring manager to discuss your development and potential for growth. If you have a thirst for learning - personal development is massively encouraged and supported within the business- they have their very own IT training More ❯

My world-class client are looking the very best PHP Engineers to join their Technology team. If you're looking to work on Enterprise-scale web application development (including a lot of new development/new features!) for a hugely reputable business with one of the largest PHP outfits in the country... Look no further. This … how the invest in their employees. You'll be given a personal progression plan from day one, with quarterly one-to-ones with your hiring manager to discuss your development and potential for growth. If you have a thirst for learning - personal development is massively encouraged and supported within the business- they have their very own IT training More ❯

across R package design, code architecture, documentation, and dependency management Establish and oversee versioning and CI/CD systems to enhance team workflows Guide team members in code architecture, development standards, and deployment processes Serve as the technical authority for computationally demanding tasks, especially spatial analytics and GIS-based product development Implement scientific research findings around Integrated Pest … our Engineering department to align code design, versioning strategies, and release cycles Essential Qualifications Computer Science degree Geospatial experience Engineering career path Deep knowledge of R programming and package development Proven experience managing dependencies and ensuring reproducibility in R production environments Strong background in version control systems and CI/CD implementation History of successful collaboration with IT teams … solving abilities and adaptability Leadership experience with strong communication skills Structured approach to quantitative challenges Comfort working in a dynamic startup environment Qualifications Microsoft Azure experience, particularly R integration Application containerization knowledge (Docker, etc.) Familiarity with Python, JavaScript, C++, bash, or other languages Web application development experience (React, .NET) Background in data security and IP protection More ❯

.NET Developer, C# - Global Technology Brand - Wakefield (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, WPF, React, Angular 19, Microservices, Azure, Web API 2, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our clients fascinating story dates back to 1981; today they have fast become one of the most instantly recognised technology brands across the globe. Their … recently allocated a £2 billion annual R&D budget to fuel the invention of products, solutions and new technologies they are looking to expand their award winning .NET software development team. We are seeking .NET Developer candidates with experience of either web application development (.NET Core/ASP.NET MVC, C#) or winforms/WPF (C#) development. … Our client will provide you with training into: .NET 9, WPF, MVVM, Prism, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. You will follow the firms official career progression programme. This is coupled with 18 days of dedicated technical training per year, bi More ❯

.NET Developer, C# - Global Technology Brand - Chichester (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, WPF, React, Angular 19, Microservices, Azure, Web API 2, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our clients fascinating story dates back to 1981; today they have fast become one of the most instantly recognised technology brands across the globe. Their … recently allocated a £2 billion annual R&D budget to fuel the invention of products, solutions and new technologies they are looking to expand their award winning .NET software development team. We are seeking .NET Developer candidates with experience of either web application development (.NET Core/ASP.NET MVC, C#) or winforms/WPF (C#) development. … Our client will provide you with training into: .NET 9, WPF, MVVM, Prism, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. You will follow the firms official career progression programme. This is coupled with 18 days of dedicated technical training per year, bi More ❯

across R package design, code architecture, documentation, and dependency management Establish and oversee versioning and CI/CD systems to enhance team workflows Guide team members in code architecture, development standards, and deployment processes Serve as the technical authority for computationally demanding tasks, especially spatial analytics and GIS-based product development Implement scientific research findings around Integrated Pest … degree and/or PhD or equivalent in informatics or life sciences (or bachelor's degree with 5+ years relevant industry experience) Deep knowledge of R programming and package development Proven experience managing dependencies and ensuring reproducibility in R production environments Strong background in version control systems and CI/CD implementation History of successful collaboration with IT teams … solving abilities and adaptability Leadership experience with strong communication skills Structured approach to quantitative challenges Comfort working in a dynamic startup environment Qualifications Microsoft Azure experience, particularly R integration Application containerization knowledge (Docker, etc.) Familiarity with Python, JavaScript, C++, bash, or other languages Web application development experience (React, .NET) Background in data security and IP protection More ❯

C# - Software Engineer - React or Redux - Hybrid - £45,000 + Bens - Hybrid:- This is an excellent opportunity for a Web Software engineer who has experience of developing browser-based solutions and is looking for a new challenge. Opportunities like this do not come up very often and this could really be a landmark moment in your career. You will … security and a fantastic team of experts that you will learn from and enhance your technical and domain knowledge. Responsibilities:- This role is part of my customers existing software development team who work in the cyber security sector. This role is to complement our existing highly skilled software development team innovating, developing and maintaining our complex software products. … Key skills/experience required:- Any of the following:- Modern web frameworks, such as React, Redux Automated testing tools e.g. QUnit for JavaScript, or similar. JavaScript both client-side script and server ASP Multi-tier web application development experience including C# Experience designing for accessibility Experience of SQL Server usage Developing, deploying and supporting web More ❯

with great communicators Experience in the following is beneficial: RabbitMQ, JavaScript, React, Redis, Electron Responsibilities for Senior Software Developer Working in an agile environment you will be working on web application development using a broad range of technologies including PHP, Laravel, MySQL, RabbitMQ, JavaScript, React, Redis, Electron Understand business requirements and translate these into technical design and … development tasks Analyse and resolve complex technical issues Identify and implement solutions to enhance system performance, scalability, and reliability Advocate for best practices in software engineering within the wider team Collaborate with and mentor other team members Work closely with developers, product managers, and other stakeholders What the role offers: Working for a tech-for-good company supporting the … on cutting-edge tech Join a company with a wonderful culture proven by their excellent staff retention ratios Applications If you would like to apply for this unique Software Development role then please send your CV via the relevant links! We’re committed to creating an inclusive and accessible recruitment process. If you require reasonable adjustments for your application More ❯

To design and deploy knowledge graph pipeline software. ? To install and maintain a Graph database to underpin national and international heritage and heritage science data portals. ? Collaborate with the development team to design, develop, and maintain knowledge graph databases for intelligence analysis purposes. ? Develop data models and ontologies to represent entities, relationships, and attributes within the knowledge graph. ? Optimise … lead for Linked Open Data projects and liaise with external partners to ensure the project(s) is completed to quality & timescales. Essential skills include: ? Strong working knowledge of Semantic Web technologies (RDF/s, OWL), query languages (SPARQL) and validation/reasoning approaches and standards ? Software architectures (microservices vs monoliths etc.) ? Modern web application development ? Supporting … Graph database ? Installing and maintaining a search and analytics engine (Elasticsearch/OpenSearch) ? Developing SPARQL and API queries ? Familiarity with Windows and Linux operating systems as well as software development and deployment tools, eg, Docker, Git ? Experience working with taxonomies, ontologies, and controlled vocabularies ? Competency in programming languages such as JavaScript, Ruby, PHP, Python or Java LA International is More ❯