Senior Applications Developer Jobs in the UK

1 to 25 of 31 Senior Applications Developer Jobs in the UK

Senior Applications Developer - D365 & Power Apps

Farnham, Surrey, United Kingdom
Oliver James Associates Ltd
Job Opportunity: Senior Applications Developer - D365 & Power Apps We are looking for a Senior Applications Developer with deep expertise in Microsoft Dynamics 365 , Power Platform , and low-code development . You will play a key role in designing, developing, customising … teams and business stakeholders to deliver scalable, user-centric solutions that drive business value. Key Responsibilities: Support & Training: Provide technical and functional support for applications built on Microsoft Dynamics 365 and PowerApps. Deliver user training and ensure adoption of solutions. Solution Development: Design, configure, and develop low-code solutions … to-end life-cycle of development projects, including planning, scheduling, testing, implementation, and post-release support. System Integration: Collaborate with technical teams to integrate applications and services through APIs and web services. Documentation: Create comprehensive user guides, functional documentation, and technical documentation for all releases. Collaboration: Work closely with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Applications Developer

London, United Kingdom
Hybrid / WFH Options
BAM Group
Building a sustainable tomorrow BAM UK & I are looking for a Senior Applications Developer to be hybrid from ether Camberley, Hemel Hempstead or Central London. We are looking for an experienced person with expertise on Microsoft Dynamics 365 and Microsoft Power Platforms to join our … lead development initiatives, and support project work. Your mission • Provide technical and functional support, along with user training, for a selected portfolio of BAM applications built on Microsoft Dynamics 365 and PowerApps. • Developing & Customizing Solutions - Design, configure and develop solutions (Low code, Power Platform, MS Dynamics 365) to align … and refining tools and methodologies within the team. Who are we looking for? We are seeking a highly skilled and experienced Senior Applications Developer with expertise in Low code development , Microsoft Dynamics 365 and Power Platform, along with a strong background in Agile methodologies. The More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Advanced Senior IT Applications Developer

Leatherhead, Surrey, United Kingdom
KBR, Inc
Title: Advanced Sr IT Applications Developer KBR is a global provider of differentiated, professional services and technologies delivered across a wide government, defense, and industrial base. Drawing from its rich 100-year history and culture of innovation and mission focus, KBR creates sustainable value by combining engineering … web development trends. This role involves providing application software development services or technical support for defined projects. Responsibilities include developing program logic for new applications, modifying and analyzing existing applications, coding, testing, debugging, documenting, implementing, and maintaining software applications. The role requires experience and knowledge of standard concepts … using standard procedures while developing advanced skills Performing assignments requiring experience and knowledge of standard concepts within their field Developing program logic for new applications, modifying, analyzing existing logic, coding, testing, debugging, documenting, implementing, and maintaining software applications Providing application software development services or technical support for defined More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer (React Native Mobile App Developer)

Wales, Yorkshire, United Kingdom
Net World Sports, Ltd
We're looking for an experienced Senior React Native Developer to join our small, focused Scrum team working on mobile applications for both iOS and Android. You'll be responsible for building new apps and maintaining existing ones using React Native with TypeScript and GraphQL. … lasting around 6 months, with a view to extending beyond this if needed. WHAT YOU'LL DO: Design, develop, and maintain cross-platform mobile applications using React Native Build new applications and features, while supporting and improving existing apps Consume GraphQL APIs in the mobile stack Collaborate with … iOS (Swift/Objective-C) and Android (Kotlin/Java) Native Development for platform-specific customisation Proven track record of delivering high-quality mobile applications to production Experience working in a Scrum/Agile team environment Familiarity with mobile testing, debugging, and performance optimisation tools Clear understanding of app More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Python / Counterparty Credit Risk Application Developer - VP - LONDON

London, England, United Kingdom
Citi
Senior Python/Counterparty Credit Risk Application Developer - VP - LONDON Join to apply for the Senior Python/Counterparty Credit Risk Application Developer - VP - LONDON role at Citi Senior Python/Counterparty Credit Risk Application Developer - VP - LONDON … week ago Be among the first 25 applicants Join to apply for the Senior Python/Counterparty Credit Risk Application Developer - VP - LONDON role at Citi The Analytical Calculation Engine (ACE) Development Team is a group within Citi Financial Risk Technology, responsible for developing and implementing … of the production derivatives credit risk application, used for internal risk management and regulatory capital purposes. The Counterparty Credit Risk Senior Application Developer position is a senior role that will interface closely with Quant and Front Office technology teams to integrate pricing models and More ❯
Posted:

Hiring in Canada: Senior Web Application Developer

London, England, United Kingdom
Hybrid / WFH Options
Flynn Group of Companies
Hiring in Canada: Senior Web Application Developer Hiring in Canada: Senior Web Application Developer 2 days ago Be among the first 25 applicants Flynn Group of Companies , North America’s leading building envelope contractor is looking to hire a Sr. Web ApplicationDeveloper to work in our Toronto, Canada office. This is a permanent relocation opportunity to relocate to Canada. In-house, licensed Immigration team at Flynn who will assist you with the following: Work permit application (at no cost to you) Permits for your spouse/common-law partner … Xamarin for our mobile apps. Responsibilities Will be a core member of the team to design, architect, develop, code reviews and test our key applications Design new application features and integrations in collaboration with team members to deliver complex changes Design and implement scalable and resilient cloud solutions with More ❯
Posted:

Hiring in Canada: Senior Web Application Developer

Glasgow, Scotland, United Kingdom
Flynn Group of Companies
Hiring in Canada: Senior Web Application Developer 2 days ago Be among the first 25 applicants Flynn Group of Companies , North America’s leading building envelope contractor, is looking to hire a Senior Web Application Developer to work in our Toronto, Canada … Our primary tech stack includes .NET (C#) hosted in Amazon AWS and Microsoft Azure. We use MongoDB, MySQL, and SQL Server for our databases. Applications are built in ASP.NET and Angular for web apps, with Java, Swift, and Xamarin for mobile apps. Responsibilities Design, architect, develop, and conduct code … reviews for our key applications Design new application features and integrations in collaboration with team members Develop scalable and resilient cloud solutions with security and disaster recovery in mind Plan and execute technical deliverables Ensure good code and test coverage through automated tests Adhere to CLEAN architecture and SOLID More ❯
Posted:

Senior Mobile Application Developer

City of London, London, United Kingdom
Infinite Talent
Senior Mobile Application Developer - iOS/Swift UI/Android Permanent - £80,000 - £90,000 Salary Hybrid - Central London 3 days per week Infinite Talent are working alongside an exciting technology start-up business in the Renewable Energy industry, who are part of a global organisation … in video and mobile communications and an active investor in cutting-edge infrastructure, content and technology companies. They currently require a Mobile App Developer to develop and optimise their customer-facing mobile application and web portal as part of their in-house system. Reporting into the Head of … with an incumbent SaaS solution. This is a very hands-on role and requires someone with years' of experience delivering complex projects, developing mobile applications predominantly in iOS to a senior level. Swift UI framework experience is also a must. If you're an experienced Mobile App More ❯
Posted:

Senior Mobile Application Developer

London Area, United Kingdom
Infinite Talent
Senior Mobile Application Developer - iOS/Swift UI/Android Permanent - £80,000 - £90,000 Salary Hybrid - Central London 3 days per week Infinite Talent are working alongside an exciting technology start-up business in the Renewable Energy industry, who are part of a global organisation … in video and mobile communications and an active investor in cutting-edge infrastructure, content and technology companies. They currently require a Mobile App Developer to develop and optimise their customer-facing mobile application and web portal as part of their in-house system. Reporting into the Head of … with an incumbent SaaS solution. This is a very hands-on role and requires someone with years' of experience delivering complex projects, developing mobile applications predominantly in iOS to a senior level. Swift UI framework experience is also a must. If you're an experienced Mobile App More ❯
Posted:

Senior Software Applications Developer

Livingston, Scotland, United Kingdom
SCION Instruments
D Programme Manager, the Lead Software Application Developer will guide the software development team in creating and maintaining scalable, high-performance software applications that meet the needs of the business, powering it’s Mass Spectroscopy analytical instrumentation. This role requires hands-on development skills, leadership and mentoring … timeframes and scope. • Collaborate with project managers to identify and mitigate potential risks in the development cycle. • Architect, design and develop high-quality, scalable applications using C#, .NET framework and related technologies. • Maintain and enhance existing applications. • Write clean, maintainable, and efficient code in alignment with best practice and … coding standards. • Perform code reviews to ensure quality and adherence to standards. • Ensure software applications are thoroughly tested and perform as expected across different environments. • Provide leadership and technical guidance for resolution of complex technical issues and reported bugs. • Provide technical guidance and recommendations on tools, frameworks, and technologies More ❯
Posted:

Senior Mobile Application Developer

London, England, United Kingdom
JR United Kingdom
Social network you want to login/join with: Senior Mobile Application Developer, West London Client: Infinite Talent Location: West London, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 Job Description: Senior Mobile ApplicationDeveloper - iOS/Swift UI/Android Infinite Talent is working alongside an exciting technology start-up in the Renewable Energy industry, part of a global organisation involved in video and mobile communications, and an active investor in infrastructure, content, and technology companies. Their current requirement is for … feature parity with an incumbent SaaS solution. This is a hands-on role requiring extensive experience in delivering complex projects, particularly in developing mobile applications for iOS using Swift UI. The candidate should be a senior-level developer with a proven track record in Android More ❯
Posted:

Senior IT Database and Application Developer

Billericay, England, United Kingdom
Hybrid / WFH Options
epay, a Euronet Worldwide Company
a competitive benefits package. Supervision Reports to and works under the administrative supervision of the Software Development Team Lead. Summary The IT Database and Applications Developer is a member of the Software Development Team who are responsible for delivering platforms and solutions to the business and its … IT Database Developer assumes responsibility for all aspects of database operation. The candidate will also be expected to write and modify desktop applications and services. The main programming language used will be C#. A good knowledge of software and solutions architecture is required here rather than knowledge … standards and policies. Work with the Software Development Team Lead to ensure initiatives are delivered on time and to client satisfaction. Develop and modify applications and services using C#/.Net/.Net core. There will be opportunities to develop in other languages, such as C++, Delphi, PHP. The More ❯
Posted:

Senior Full Stack Web Application Developer - React, Node, Next.js

London, England, United Kingdom
Operati Limited
Senior Full Stack Web Application Developer - React, Node, Next.js at Operati We are looking for a senior web developer with at least 10 years web development experience . Working closely with the CTO and founding team, you will be contributing towards the … Designing user interactions on app pages. Understanding and meeting the user requirements as part of the wider team. Staying abreast of developments in web applications and programming languages. Requirements Minimum 10 years experience in a developer role. Minimum 5 years React experience. Minimum 5 years Node.js experience. More ❯
Posted:

Senior Application Developer

Reading, England, United Kingdom
Berkeley Square IT
per week on-site, no travel required) IR35 Status : Outside Daily Rate : £600 (Limited Company) We are seeking an experienced Senior Application Developer specialising in Tricentis Tosca Automation to lead the design, implementation, and initial operationalisation of a test automation solution within a secure environment. This … closely with the in-house testing team to ensure alignment with business needs. Proof of Concept Creation : Develop automated test cases for two selected applications, comprising approximately 75 test scenarios. Transition existing manual test cases into automated tests. Applications include an in-house .NET web application with an … server design and deployment. Demonstrated ability to produce detailed technical documentation. Strong understanding of Azure infrastructure and secure system implementation. Familiarity with .NET web applications and SQL databases, as well as SaaS environments. Proven experience in developing automated test libraries and transitioning manual tests to automated processes. Strong communication More ❯
Posted:

Senior Mobile Application Developer

Slough, England, United Kingdom
JR United Kingdom
Social network you want to login/join with: Senior Mobile Application Developer, Slough Client: Infinite Talent Location: Slough, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 2 Posted: 06.06.2025 Expiry Date: 21.07.2025 Job Description: Senior Mobile Application Developer … and optimizing their customer-facing mobile app and web portal as part of their internal system. Reporting to the Head of Engineering, the developer will enhance the app and portal, which are approximately 70% complete, to … match features of an existing SaaS solution. This is a hands-on role requiring extensive experience in delivering complex projects, especially in developing mobile applications for iOS using Swift UI. Experience with Android development is also essential. If you are an experienced Mobile App Developer with expertise More ❯
Posted:

Senior Mobile Application Developer

City of London, England, United Kingdom
JR United Kingdom
Social network you want to login/join with: Senior Mobile Application Developer, London (City of London) Client: Infinite Talent Location: London (City of London), United Kingdom Job Category: Other EU work permit required: Yes Job Views: 4 Posted: 16.06.2025 Expiry Date: 31.07.2025 Job Description: Senior Mobile Application Developer - iOS/Swift UI/Android Infinite Talent is collaborating with an innovative technology start-up in the Renewable Energy sector, part of a global organization specializing in video and mobile communications, and actively investing in infrastructure, content, and technology companies. The role … and optimizing their customer-facing mobile application and web portal as part of their internal system. Reporting to the Head of Engineering, the developer will enhance the app and web portal, which are approximately 70% complete, to match the features of an existing SaaS solution. This is a More ❯
Posted:

Senior Python / Counterparty Credit Risk Application Developer - VP - LONDON

London, United Kingdom
Citigroup Inc
The Analytical Calculation Engine (ACE) Development Team is a group within Citi Financial Risk Technology, responsible for developing and implementing the applications used for derivatives credit risk and exposure calculations Firm-wide. The team's primary focus is the development, testing, deployment, and maintenance … of the production derivatives credit risk application, used for internal risk management and regulatory capital purposes. The Counterparty Credit Risk Senior Application Developer position is a senior role that will interface closely with Quant and Front Office technology teams to integrate pricing models and … a wide range of technological frameworks, including distributed computing architecture. The role will involve tasks such as: Developing and maintaining the Counterparty Credit Risk applications, leveraging in-house Python and C++ model libraries. Supporting and improving CI/CD (build, testing and release management) of the credit risk application. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Application Developer

United Kingdom
Netcall Telecom Ltd
We're looking for a Senior Application Developer to join our busy Citizen Hub team. The role will primarily design, develop and implement custom software solutions using Liberty Create, our low-code solution. For a full job description or to apply for this role, hit apply More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Application Developer

London, England, United Kingdom
Netcall Telecom Ltd
We’re looking for a Senior Application Developer to join our busy Citizen Hub team. The role will primarily design, develop and implement custom software solutions using Liberty Create, our low-code solution. For a full job description or to apply for this role, hit apply More ❯
Posted:

Hiring in Canada: Senior Web Application Developer

Glasgow, Scotland, United Kingdom
Flynn Group of Companies
Flynn Group of Companies , North America's leading building envelope contractor, is looking to hire a Sr. Web Application Developer to work in our Toronto, Canada office. This is a permanent relocation opportunity to relocate to Canada. In-house, licensed Immigration team at Flynn will assist you with … Our primary tech stack includes .NET (C#) hosted in Amazon AWS and Microsoft Azure. We use MongoDB, MySQL, and SQL Server for our databases. Applications are built in ASP.NET and Angular for web apps, with Java, Swift, and Xamarin for mobile apps. Responsibilities Design, architect, develop, review code, and … test our key applications as a core team member Design new features and integrations collaboratively to deliver complex solutions Design and implement scalable, resilient cloud solutions with security and disaster recovery considerations Plan and execute technical deliverables with the team Maintain good code and test coverage through automated testing More ❯
Posted:

Senior App Developer

Manchester Area, United Kingdom
Classic Football Company Ltd
story so far please follow this link: https://www.classicfootballshirts.co.uk/about-us Salary: £70,000 Per Anum The Role: As a Senior App Developer, you will spearhead the build and integration of a cutting-edge mobile application designed to complement our e-commerce platform. … date with emerging trends and technologies, continuously bringing new ideas and solutions to the team. Functional Skills and Experience : • Proven Experience in developing mobile applications, ideally with Magento integration, using modern mobile app development frameworks such as React Native , Flutter , or Swift/Kotlin for native development. • Expertise in More ❯
Posted:

Hiring in Canada: Senior Web Application Developer

London, United Kingdom
Flynn Group of Companies
Flynn Group of Companies , North America's leading building envelope contractor is looking to hire a Sr. Web Application Developer to work in our Toronto, Canada office. This is a permanent relocation opportunity to relocate to Canada. In-house, licensed Immigration team at Flynn who will assist you … Xamarin for our mobile apps. Responsibilities Will be a core member of the team to design, architect, develop, code reviews and test our key applications Design new application features and integrations in collaboration with team members to deliver complex changes Design and implement scalable and resilient cloud solutions with … rotating weekly on-call schedule What we are Seeking 10+ years of recent experience, with at least 5 years in a Sr. Web Developer or similar senior role Post-secondary education in Computer Science/IT or related field Experience in .NET/.NET Framework and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior PHP/ Web Application Developer

London, United Kingdom
GlobalServersUK
ensuring exceptional customer experiences in the fast-paced world of web hosting and development. Join us in shaping the future of web technology. Senior PHP/Web Application Developer We are seeking a Senior PHP/Web Application Developer to join our … and staff members. Writing technical and non-technical specifications and documenting procedures. Resolving identified issues related to PHP development for various users, from senior managers to technical personnel. Heading responsibility to evaluate, design, develop, and assist application systems. Maintaining and managing complete documentation. Guiding business decisions from a … high-quality architecture and design documents, including feature specifications, design specifications, flow diagrams, and process diagrams. Experience in designing/architecting/developing web applications targeting enterprise users. Understanding of SDLC and methodologies. Ability to conceptualize requirements and handle web development projects independently. Good experience in designing and developing More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Application Developer - Data

London, United Kingdom
Hybrid / WFH Options
Idexx Laboratories
IDEXX is looking for a Senior Data Engineer to join the Veterinary Software team in London! This is an exciting opportunity for a a data engineer looking to expand their technical leadership skills and make an impact in a meaningful industry. This role will be hybrid 2 days … and modern systems. As a senior engineer, you'll design, develop, and optimise scalable and efficient data pipelines integrating PHP, and C applications using .NET framework backend services and React frontends. You'll utilise tools such as Terraform for infrastructure-as-code ( IaC ), AWS (Lambda, EC2, EKS … pipelines, and containerization (Docker/Kubernetes). Experience working in environments with AI/ML components or interest in learning data workflows for ML applications . Bonus if you have e xposure to Kafka, Spark, or Flink . Experience with data compliance regulations (GDPR). What you can expect More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Mobile Developer (React Native) - Exchange App

London, United Kingdom
P2P
About the role: As part of our team, you will focus on developing best-in-class mobile applications using React Native. Our apps are built with a modern tech stack that emphasizes cross-platform functionality while maintaining native performance and feel. Experience with native iOS/Android development is … and collaboration abilities A focus on producing high-quality code and exceptional user experiences If you are a motivated and talented React Native developer who thrives in a collaborative environment … and has experience with native mobile development, we would love to hear from you. Join our team and contribute to building cutting-edge mobile applications that make a difference. Please include examples of your work or links to your portfolio with your application. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Senior Applications Developer
10th Percentile
£40,250
25th Percentile
£46,250
Median
£70,000
75th Percentile
£75,000