1 to 25 of 737 Web Services Jobs in London

is pivotal in the technical development, support, and maintenance of our digital properties and supporting infrastructure. You will be responsible for developing both internal and external responsive Rich UI web applications, web services, windows services, and enterprise data layer systems. Key Responsibilities: Develop C# .NET Core, Web API, Angular 9+, HTML, Responsive CSS, web applications, Microservices, web portals, and service APIs. Build and support software and applications using Microservices and Service Bus architecture in an Azure Cloud environment. Utilize SQL Server querying, Entity Framework, Graph-QL, and understand ETL processes. Maintain existing sites and applications, implementing incremental changes as required by the business. Provide technical advice and support to business analysts. Participate … as part of a development team. Knowledge and Skills: Highly proficient in C# .NET Core + framework. Expertise in Angular 9+, responsive HTML and CSS, JavaScript. Experience with RESTful services, Web API, SOAP. Knowledge of testing techniques; Unit Testing, Mocking, etc. Good understanding of clean coding principles, secure coding, refactoring, and general programming best practices. Familiarity with site More ❯

Full Stack .Net Developer Fully remote Join a leading financial services organisation based in London, renowned for its commitment to digital transformation and cutting-edge technology. We are looking for a Full Stack .NET Developer to join a collaborative development team working on high-impact digital platforms and applications across the business. This is a fully remote opportunity, offering … Stack .NET Developer, you will be responsible for the development, support, and enhancement of internal and customer-facing systems using a modern Microsoft tech stack. You will build responsive web applications, scalable microservices, APIs, and data-layer components, working within an Agile, cloud-based (Azure) environment. Key Responsibilities Full-stack development using C# .NET Core , Web API , Angular … 9+ , HTML/CSS, and JavaScript frameworks. Build and support Microservices , Azure Service Bus integrations, and containerized services (Docker). Develop and maintain APIs, web services, and enterprise data layers. Collaborate with cross-functional teams including PMs, BAs, designers, and QA. Participate in code reviews, technical design sessions, and Agile ceremonies. Troubleshoot and maintain existing systems; implement More ❯

11056SR2 £75k – 85k per year Full Stack .Net Developer Fully remote Join a leading financial services organisation based in London, renowned for its commitment to digital transformation and cutting-edge technology. We are looking for a Full Stack .NET Developer to join a collaborative development team working on high-impact digital platforms and applications across the business. This is … Stack .NET Developer, you will be responsible for the development, support, and enhancement of internal and customer-facing systems using a modern Microsoft tech stack. You will build responsive web applications, scalable microservices, APIs, and data-layer components, working within an Agile, cloud-based (Azure) environment. ️ Key Responsibilities Full-stack development using C# .NET Core , Web API , Angular … 9+ , HTML/CSS, and JavaScript frameworks. Build and support Microservices , Azure Service Bus integrations, and containerized services (Docker). Develop and maintain APIs, web services, and enterprise data layers. Collaborate with cross-functional teams including PMs, BAs, designers, and QA. Participate in code reviews, technical design sessions, and Agile ceremonies. Troubleshoot and maintain existing systems; implement More ❯

of Role: Lead, analyze, design, build, test and debug applications for system integrations solutions with focus on HR data between internal and external systems Design and implement applications using Web Services methodologies such as XML, XSLT, JSON, xPath and other related technologies Design and build user friendly interfaces using scripting languages and front-end frameworks and libraries Develop … Js, Angular, jQuery Minimum 5 years of experience working server-side programming languages such as Net, Java, Ruby and Python Minimum 5 years of experience in API development using web services and Service Oriented Architecture (SOA) methodologies. Minimum 5 years of experience in database technology, including SQLServer, Oracle, MongoDB and MySQL and caching mechanisms such as server caching More ❯

frameworks, to proactively improving the technology stack, your work will have a direct impact on the guest experience and Disney’s global reach. What You Will Do As a Web Application Developer within the Application Development team, you will be responsible for the development and maintenance of our ecommerce platform, covering both back-end and front-end technologies. You … contribute to success. You’ll help foster an inclusive workplace, championing diversity and making use of available resources to extend best practices. Required Qualifications & Experience Demonstrable experience in a Web Application Developer role, covering … both front-end (HTML, CSS, JavaScript, jQuery) and back-end (C#, ASP.NET MVC5, Classic ASP) technologies. Experience working with ecommerce platforms in a commercial environment. Solid knowledge of SOAP WebServices and RESTful WebAPIs. Familiarity with .NET ORMs such as Entity Framework (or similar). Experience using SDL Tridion (or similar enterprise CMS) is desirable. Proficiency in writing and maintaining unit More ❯

Web Application Developer Apply Now Apply Later Job ID 10123682 Location London, United Kingdom Business Walt Disney World Resort Date posted Jun. 20, 2025 Job Summary: About the Role & Team At Disney Destinations International (DDI), we support the Walt Disney Travel Company (International) ecommerce platform and a suite of marketing microsites. Our mission is to create seamless, magical digital … frameworks, to proactively improving the technology stack, your work will have a direct impact on the guest experience and Disney’s global reach. What You Will Do As a Web Application Developer within the Application Development team, you will be responsible for the development and maintenance of our ecommerce platform, covering both back-end and front-end technologies. You … both front-end (HTML, CSS, JavaScript, jQuery) and back-end (C#, ASP.NET MVC5, Classic ASP) technologies. Experience working with ecommerce platforms in a commercial environment. Solid knowledge of SOAP WebServices and RESTful WebAPIs. Familiarity with .NET ORMs such as Entity Framework (or similar). Experience using SDL Tridion (or similar enterprise CMS) is desirable. Proficiency in writing and maintaining unit More ❯

Company Description Version 1 has celebrated over 28 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigate the rapidly changing Digital-First world we live in. We foster strong partnerships with leading technology giants including Microsoft, AWS, Oracle, Red Hat, OutSystems, Snowflake … best practice guidelines and help to improve those guidelines. You will be creating best in class documentation with our clients in mind. You will be operating the applications/services you build and contribute to the wider project development. Qualifications Preferably full-stack.Net Core with (HTML, CSS, Javascript) Experience with ASP .Net MVC 5, REST Web APIs Practical … development knowledge of Azure services .NET Web API, Rest and OData Web Services In depth knowledge of software development practices and software design patterns Agile scrum methodology DevOps knowledge and experience Analysis and design skills Proactive and problem solver Personal and communication skills Additional Information Why Version 1? At Version 1, we believe in providing our More ❯

of Development. Years of Experience: 5+ years in software engineering. Programming Languages : Robust experience in JavaScript. Proficiency in C# is also valuable. Familiar with frameworks like Spring or .NET. Services and REST APIs : Solid background in developing services and RESTful APIs, demonstrating an understanding of web services architecture and implementation. Frontend Framework : Competent in Angular and … able to create dynamic, responsive web applications; skilled in CSS, TypeScript and JavaScript. Test-Driven Development: Strong commitment to quality, utilizing TDD methodologies to ensure code reliability and maintainability. Security Practices: Knowledgeable in cybersecurity practices, including OAuth, OpenID Connect, and secure coding practices. Advanced Database Knowledge: Proficient in SQL and data modelling. SOLID Principles: Proficient in applying SOLID principles More ❯

Your mission What’s the role about? ValidSoft secures transactions with services that are incredibly simple for the user. We remove the need for PINs, passwords and security questions. Built around voice biometrics, our multi-factor authentication protects Online, Smartphone, Card and Telephone transactions. We work in the Enterprise, Financial Services and Government sectors. Companies that choose to … features that create business value. Within your product team you’ll typically be working collaboratively on customer-facing features with other highly skilled engineers as well as BAs, Testers, Web Designers and User Experience specialists. Your profile What you’ll have: Java8/11 and later. Object Oriented and tiered design methodologies. A structured approach to systems analysis and … development. Application frameworks such as Spring Boot/Cloud. Microservice Architectures. Cloud Platforms such as AWS, GCP or Azure. Web technologies including HTML, CSS, advanced Javascript, Web Services. Continuous Integration/Continuous Delivery. BDD, pair programming. Agile development methods such as Scrum or Kanban. REST API development and/or consumption. Relational databases MySQL, SQL Server, Postgres, etc. More ❯

a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media … is a bonus. Open to travel requirements. Required Skills: Experience in Implementation and Support of ForgeRock Customer IAM (CIAM) ForgeRock Identity manager (IDM) ForgeRock Access manager (AM) ForgeRock Directory Services (DS) ForgeRock Amster Excellent knowledge and understanding of LDAP concepts and working experience with at least few of the following directories: Active Directory ForgeRock Directory Services Azure AD … and enabling clustering. Hands on experience with setting up various components of ForgeRock CIAM, IDM, AM, DS like User store, Provisioning store, admin console, provisioning server etc. Exposure to Webservices (SOAP, Rest, JSON, SOAPUI) and client development, query invoke. Experience in customizing/extending of ForgeRock CIAM, IDM, AM, DS and LDAP schema. Very good experience on connector Xpress/ More ❯

annum MAIN RESPONSIBILITIES Analyse, design, develop and deploy business applications and solutions using Microsoft Power Platform technologies (Power Apps, Power Automate, Power BI and Power Virtual Agents). Develop web applications including SharePoint sitesand web parts in accordance with processes and standards. Analyse business requirements by collaborating with business users and IT Management, studying systems flow, data usage … Automate, Power BI and Power Virtual agents. Extensive experience in the analysis, design, development, testing and implementation of enterprise scale applications and solutions 5+years experience developing with C#, ASP.NET, Web Services, MVC, JavaScript, jQuery, CSS, HTML, T-SQL, XML, Visual Studio, and SQL Server Management Studio, with additional expertise in Bootstrap, React, Mobile Development and Service-Oriented Architecture … desired. 4+years experience of developing web applications and websites on SharePoint Online, custom workflows, features and solution packages using Power Platform and SPFx. Strong experience in data analysis, data modelling, data architecture principles with proficiency in SQL and Data Warehousing principles Experience with Python, R and ETL (Extract, Transform, Load) processes for data cleansing Experience with REST APIs Experience More ❯

a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media … is a bonus. Open to travel requirements. Required Skills: Experience in Implementation and Support of ForgeRock Customer IAM (CIAM) ForgeRock Identity manager (IDM) ForgeRock Access manager (AM) ForgeRock Directory Services (DS) ForgeRock Amster Excellent knowledge and understanding of LDAP concepts and working experience with at least few of the following directories: Active Directory ForgeRock Directory Services Azure AD … and enabling clustering. Hands on experience with setting up various components of ForgeRock CIAM, IDM, AM, DS like User store, Provisioning store, admin console, provisioning server etc. Exposure to Webservices (SOAP, Rest, JSON, SOAPUI) and client development, query invoke. Experience in customizing/extending of ForgeRock CIAM, IDM, AM, DS and LDAP schema. Very good experience on connector Xpress/ More ❯

a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media … is a bonus. Open to travel requirements. Required Skills: Experience in Implementation and Support of ForgeRock Customer IAM (CIAM) ForgeRock Identity manager (IDM) ForgeRock Access manager (AM) ForgeRock Directory Services (DS) ForgeRock Amster Excellent knowledge and understanding of LDAP concepts and working experience with at least few of the following directories: Active Directory ForgeRock Directory Services Azure AD … and enabling clustering. Hands on experience with setting up various components of ForgeRock CIAM, IDM, AM, DS like User store, Provisioning store, admin console, provisioning server etc. Exposure to Webservices (SOAP, Rest, JSON, SOAPUI) and client development, query invoke. Experience in customizing/extending of ForgeRock CIAM, IDM, AM, DS and LDAP schema. Very good experience on connector Xpress/ More ❯

develop cool back-end software that will delight our customers and help expand the state of the art in this exciting domain! By developing highly performant, robust, and scalable web services and back-ends, you will have an impact on the latency and accuracy of the identity verification process. You will enable higher accuracy of both our algorithmic …/Gradle, JPA, Design Patterns. Hands-on experience with TypeScript, Angular, HTML, CSS, JavaScript. Have at least 5 years of professional experience in software development. Experience in Kotlin (the services you will be responsible for are mainly written in Kotlin). Experience with distributed systems. Be able to work with PM/QA/DevOps as equal partners throughout More ❯

range of locations and disciplines. We are at the forefront of change and move at an amazing pace, thanks to our remarkable people, who bring cutting-edge products and services to life for millions of customers every day. If you share in our passion for teamwork, our vision to revolutionize industries and our goal to lead the future in … approach. Ability to articulate solutions through diagrams, models, and abstractions. Experience in building cloud-native solutions and/or utilizing SAAS platforms. Designing complex integrations, especially with REST based web services. Experience with some of the technologies we make use of: Groovy, Python, AWS Serverless (API Gateway, Lambdas), XML, JSON, Open API, virtualisation in general and especially Docker and … Dynamo, column family, etc.) Exposure to at least one of main programming languages Java or C#.Net. Preferable: A degree in Computer Science or equivalent relevant experience. Experience in Professional Services or Consulting. Demonstrable experience as a Solution Architect in an enterprise environment. Experience with systems handling high transaction volumes with low latency requirements. Knowledge of web application architectures More ❯

of using frameworks such as .NET Core Good knowledge in working with RDBMS such as Oracle, MySQL or Postgres Practical experience using design patterns Practical experience of developing RESTful web services Proven experience of unit testing, unit testing frameworks and Test-Driven Development Good knowledge version control systems such as Git and associated CI/CD tooling Proven … experience using Project/Issue management tooling (Jira or similar) Familiarity with Continuous Integration pipelines (ideally with Azure DevOps, Jenkins or similar) Awareness of Continuous Delivery Used cloud & API services to deliver applications Problem-solving skills and good analytical and reasoning abilities We Care About Our Employees' Happiness By 25 days of Annual leave + an option to purchase More ❯

Integration Engineer – SQL Server/Web & API Development 📍 Location: UK Remote 📅 Contract Length: Initial 6 months + extensions 💷 SDS: Inside IR35 🚀 Start Date: ASAP We're hiring an experienced Integration Engineer to support a large-scale enterprise transformation project, working across data platforms, web services, and custom APIs. This is a hands-on technical role ideal for … Engineer • Strong SQL Server skills (procedures, views, table design, indexing, optimisation) • Solid background in .NET Framework/.NET Core for API and backend development • Understanding of JavaScript and modern web service architectures • Familiar with both REST and SOAP API design and consumption • Confident working with XML/XSL/JSON for data formatting and transformation • Experience with cloud services More ❯

Integration Engineer – SQL Server/Web & API Development Location: UK Remote Contract Length: Initial 6 months + extensions SDS: Inside IR35 Start Date: ASAP We're hiring an experienced Integration Engineer to support a large-scale enterprise transformation project, working across data platforms, web services, and custom APIs. This is a hands-on technical role ideal for … Engineer • Strong SQL Server skills (procedures, views, table design, indexing, optimisation) • Solid background in .NET Framework/.NET Core for API and backend development • Understanding of JavaScript and modern web service architectures • Familiar with both REST and SOAP API design and consumption • Confident working with XML/XSL/JSON for data formatting and transformation • Experience with cloud services More ❯

a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering, and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media … Directory, Azure AD, ForgeRock Directory Services. Knowledge of ForgeRock deployment in high availability environments and clustering. Hands-on experience with ForgeRock components setup, customization, extension, and integration. Experience with web services (SOAP, REST, JSON), client development, and querying. Development of user journeys, workflows, forms, and IDM components. Experience with cloud setup (Docker, GKE, Terraform). Knowledge of Java … Windows, UNIX, Linux. IAM Tools: ForgeRock CIAM, IDM, AM, DS. Cloud Deployment: Docker, GKE, Terraform, GCP. Application Servers: WebSphere, JBoss, Tomcat, WebLogic. Programming Languages: C, C++, Java/J2EE. Web Development: HTML, CSS, JavaScript, JSP, Servlets. Databases: MS SQL Server, Oracle, Postgres. Directory Servers: ODSEE, OpenDJ, ADLDS, RadiantOne, CA API Gateway. #J-18808-Ljbffr More ❯

teams * Facilitate sign-off by aligning with business units and technical teams. Skills Required: * Understanding of the key technologies relevant to the ServiceNow integration solutions including: SSO, SAML, SSL, Web Services, LDAP, JDBC, ODBC, REST, SOAP, SCP, FTPS, JSON * ServiceNow Developer certification is a plus * Experience with other ITSM software (BMC Remedy ITSM, HP, Landesk, etc.) * Experience with … orchestration tools (ex. HP Operations Orchestrator, BMC Atrium Orchestrator) * Micro-services architecture knowledge, enterprise integration patterns * Experience in Jira, Confluence, Rabbit MQ, Apache Camel, DevOps * Experience developing and implementing systems using Agile/Scrum methodology * Experience with working or developing with JavaScript - HTML5, Jelly, jQuery and AngularJS a plus #J-18808-Ljbffr More ❯

My client is an instantly recognisable consultancy who require a C# .Net Developer with .Net Core, RESTful web services, microservices and knowledge of building solutions in an Azure Containerised environment to join a business-critical GDS programme for a high profile clientKey Requirements: Proven experience as a C# .Net Developer with working knowledge of a Government Digital Service … GDS) environment Strong knowledge and working use of .Net Core and RESTful web services. Recent experience developing Microservice based solutions Worked on object-oriented design patterns (OOAD etc) and design principles (kiss/solid etc) Prior use of RDBMS, e.g. Oracle, MySQL or Postgres Experience in Test-Driven Development (TDD), unit testing and unit testing frameworks Strong knowledge of More ❯

My client is an instantly recognisable consultancy who require a C# .Net Developer with .Net Core, RESTful web services, microservices and knowledge of building solutions in an Azure Containerised environment to join a business-critical GDS programme for a high profile client Key Requirements: Proven experience as a C# .Net Developer with working knowledge of a Government Digital … Service (GDS) environment Strong knowledge and working use of .Net Core and RESTful web services. Recent experience developing Microservice based solutions Worked on object-oriented design patterns (OOAD etc) and design principles (kiss/solid etc) Prior use of RDBMS, e.g. Oracle, MySQL or Postgres Experience in Test-Driven Development (TDD), unit testing and unit testing frameworks Strong knowledge More ❯

be held and to be eligible for NPPV3 Clearance* *Inside IR35* Skills Required: . Understanding of the key technologies relevant to the ServiceNow integration solutions including: SSO, SAML, SSL, Web Services, LDAP, JDBC, ODBC, REST, SOAP, SCP, FTPS, JSON . ServiceNow Developer certification is a plus . Experience with other ITSM software (BMC Remedy ITSM, HP, Landesk, etc. … . Experience with orchestration tools (ex. HP Operations Orchestrator, BMC Atrium Orchestrator) . Micro-services architecture knowledge, enterprise integration patterns . Experience in Jira, Confluence, Rabbit MQ, Apache Camel, DevOps . Experience developing and implementing systems using Agile/Scrum methodology . Experience with working or developing with JavaScript - HTML5, Jelly, jQuery and AngularJS a plus Responsibilities: . Collaborate More ❯

parts of Angular applications like page structures etc, with ASP.NET back-endexperience and a small amount of database stuff in SQL, and moving old API’s to a newer web stack whilst working across all areas of the business internally and across a range of projects with stakeholders. Experience: C# .NET, Strong development in .NET, C# and LINQ, Experience … of developing web services/RESTful APIs using ASP.NET, WinForms desirable, Source Control (Git) Miscellaneous Experience with RabbitMQ (or other messaging technologies). Web/JavaScript, Solid experience developing SPA applications with Angular, experience with HTML, CSS and JavaScript/Typescript Database SQL (MS SQL Server preferred) Experience of designing database tables/views, writing SQL/ More ❯

leading over-50s age inclusive jobs board. Fitch Learning is currently seeking a Senior Python Developer based out of our London office. Fitch Learning is a leader in financial services training. With unrivaled breadth and depth, the company delivers learning solutions for apprentices, graduates, and those with 10+ years' experience in Financial Services. Our offerings include expert faculty, e … team to design, develop, and maintain our LMS Apply sound software design patterns and industry standard conventions Design, build, and optimise database systems to support the above applications and services Translate business requirements into technical specifications Help finalise our migration to Python 3 Build client and management reports and tools Collaborate with developers in other teams to achieve our … implement large features as well as reverse engineer when needed High awareness of how design and implementation choices impact extensibility, maintainability, performance, scalability, and security Experience integrating systems using web services, especially REST APIs Strong attention to code quality and readability Experience designing relational database schemas Understanding of code branching and feature workflows with Git Good knowledge of More ❯