1 to 25 of 253 Permanent JSON Jobs in the UK

These include:Must haves Proven track record as a developer in an insurance or financial services environment; Strong working knowledge of programming languages (e.g. SQL, C#, VBA, Javascript, XML, JSON, Python); Experience building Excel-integrated applications and/or web-based pricing platforms. Strong database skills (SQL Server or similar) and data integration experience; Proactive, collaborative, flexible and adaptable with More ❯

discussions and agile ceremonies Optimise application performance, scalability and security What you'll bring Strong hands-on experience with Java (23+) and Spring Boot Knowledge of RESTful API design, JSON and Web Services Experience of Kafka and Dockerised development Background in Test Driven Development using tools such as JUnit or Mockito Understanding of clean code principles, SOLID design and modern More ❯

ceremonies, code reviews, and continuous improvement initiatives. Essential Skills: Frontend: React.js, TypeScript, Redux, HTML5, CSS3, SASS Webpack, Babel, Jest, Cypress Backend: Java 8+, Spring Boot, Node.js (optional) REST APIs, JSON, OAuth 2.0 DevOps & Cloud: Azure (preferred), AWS (optional) Docker, Kubernetes, Terraform GitHub Actions, Azure DevOps Databases: PostgreSQL, Oracle, MongoDB (optional) Kafka, Redis (for messaging and caching) 4+ years of experience More ❯

methodology; Open Source/Digital technologies & solutions Desirable Skills: Technical ability in JAVA, J2ee Experienced in the following languages/tools, must have a proven background of experience - Java, JSON, XML, Microservices, Agile Scrum methodology, Play Framework, mongoDB. Knowledge of these areas - Scala, Docker, Puppet, IntelliJ, IDE, Sbt Knowledge of -Java Development, Weblogic, Webmethods, Java Scripting, J2SE, J2EE, Spring, EJB More ❯

Azure DevOps, pipelines and releases preferred Preferred knowledge of Azure infrastructure and services like App Service, Azure Service Bus and Message Queues, Storage Containers etc Experience integrating RESTful APIs, JSON, and third-party services. Strong problem-solving skills and attention to detail. Preferred personable, with good communication skills and reliability, professionalism and good self-management and time management skills Minimum More ❯

strong experience in test automation with an ETRM platform with as many of the following as possible: Programming & Scripting: Python, Java, JavaScript, C++, Scriban Web Technologies: RESTful APIs, HTTP, JSON, HTML, CSS, Node.js Databases: SQL Server, MySQL, PostgreSQL, MongoDB Tools & Frameworks: Git, Docker, Jenkins, Kubernetes, Agile (Scrum & Kanban), JIRA, Pytest, Powershell Operating Systems: Linux, Windows Additional skills that will set More ❯

continuous improvement. Tech Stack & Skills Essential: Strong experience with C# , .NET , React , and JavaScript . Proficiency with Razor Pages , HTML , relational databases , and MicroServices . Understanding of OOP , REST , JSON , WebAPI , and authentication servers . Experience working with GIT and message/event bus systems. Excellent communication and problem-solving skills. Desirable: Experience with TypeScript , GraphQL , AWS , or Azure . More ❯

continuous improvement. Tech Stack & Skills Essential: Strong experience with C# , .NET , React , and JavaScript . Proficiency with Razor Pages , HTML , relational databases , and MicroServices . Understanding of OOP , REST , JSON , WebAPI , and authentication servers . Experience working with GIT and message/event bus systems. Excellent communication and problem-solving skills. Desirable: Experience with TypeScript , GraphQL , AWS , or Azure . More ❯

in front-end technologies – HTML, CSS, JavaScript, Bootstrap Skilled in SQL databases and event messaging (e.g. Azure Service Bus) Experience with web technologies – MVC, Web APIs, REST, XML/JSON Version control (Git, Azure DevOps) and branching strategies (GitFlow) Experience of Microservices solutions What’s on Offer They can offer a salary ranging from £50,000 to £65,000, flexible More ❯

in several of the following languages/platforms/libraries: Java and .NET Strong understanding of API’s and web service concepts such as REST, SOAP, and XML/JSON business object representations Experience developing API's utilizing REST architecture Ability to handle a fast-paced environment for iterative project turnarounds on mission & revenue critical, customer-facing applications Experience with More ❯

Experience with CI/CD pipelines (Azure DevOps preferred). Experience working in agile/scrum environments. Strong knowledge of SQL and non-relational databases. Familiarity with RESTful APIs, JSON, OAuth2. Experience with test automation tools and accessibility standards (WCAG 2.1 beneficial). Bachelor’s degree in Software Engineering, Web Development, or similar. Experience in the financial/banking industry More ❯

Oracle ERP Cloud (eg, Financials, Procurement, Projects) and Oracle EPM Cloud (eg, Planning, Financial Consolidation). Proficiency in developing and maintaining RESTful and SOAP APIs, with strong knowledge of JSON and XML. Hands-on experience with Identity and Access Management (IAM) and Single Sign-On (SSO) solutions, including Azure Active Directory, Okta, and Oracle Identity Cloud Service. Proven experience in More ❯

the ground up (greenfield), not solely maintaining or enhancing existing pipelines. Strong SQL skills, ideally across both MS SQL and Oracle environments. Solid understanding of REST/SOAP APIs , JSON/XML , and data transformation technologies (e.g., XSLT). Experience with Azure Logic Apps , Azure DevOps , and CI/CD pipelines for integration deployments. Knowledge of secure development practices, including More ❯

managing APIs, especially REST and SOAP services. Experience working with Azure Logic Apps and Azure Functions. Practical expertise in ETL development and maintenance. Understanding of data formats such as JSON and XML. Proficiency in scripting or programming languages like Python, PowerShell, and SQL. Experience using source control tools, such as Azure DevOps. Ability to monitor, troubleshoot, and fine-tune integration More ❯

delivering complex web applications using Laravel Excellent knowledge of MySQL, understanding the principles of building and optimising MySQL databases Experience of using and developing REST API’s including RESTful JSON APIs and SOAP XML APIs An understanding of Linux. Our LAMP stack means you will have to be comfortable using the Linux command line to get things done Vue.js, Vuex More ❯

on experience with MuleSoft Anypoint Platform , API Manager , and Runtime Manager . Proven experience integrating Salesforce with other systems using MuleSoft. Deep understanding of RESTful APIs , SOAP , RAML , and JSON/XML . Experience with CI/CD pipelines , Git , and DevOps practices . Knowledge of SaaS platforms like Workday, ServiceNow, NetSuite, etc. Strong problem-solving and communication skills. MuleSoft More ❯

with service + many more. Experience: Microsoft Power Platform (Power Automate and PowerApps) SQL Server Agile/SCRUM GIT/Azure DevOps Desirable tech Power BI, SharePoint, Dataverse, XML, JSON, SQL, .NET, Unit Testing, TDD Effectively, this role is responsible for the development and maintenance of end-user solutions and applications for a business with several thousand employees. The company More ❯

custom report experience through SQL Server Reporting Services (SSRS) and FetchXML .NET Framework Version 4.5 or above including strong WCF\ Web API experience Knowledge of Web development, HTML, CSS, JSON, XML, Javascript and SQL C# and OOPS concepts Good to have experience and knowledge of Microsoft Azure Power Apps and Portal Field Services Customer Insight What education and certification credentials More ❯

and C# Experience leading engineering teams or acting as a technical lead Proficiency in Azure App Service, Container Services, and CI/CD pipelines Solid understanding of REST APIs, JSON, and microservice architecture Familiarity with Docker, Swagger/OpenAPI, and modern development practices Excellent communication and stakeholder management skills You'll join an environment that values autonomy, innovation and technical More ❯

and C# Experience leading engineering teams or acting as a technical lead Proficiency in Azure App Service, Container Services, and CI/CD pipelines Solid understanding of REST APIs, JSON, and microservice architecture Familiarity with Docker, Swagger/OpenAPI, and modern development practices Excellent communication and stakeholder management skills You'll join an environment that values autonomy, innovation and technical More ❯

For Strong experience with .NET Ability to work with Azure and cloud-based development Familiarity with databases such as MS SQL o MongoDB Experience working with RESTful APIs and JSON Exposure to Docker and Kubernetes Previous experience in payments or financial integrations would be an advantage If you’re passionate about technology, enjoy solving complex problems, and want to work More ❯

fast-paced, agile environment with little direction. What We’re Looking For 8+ years of experience in WordPress development (preferably enterprise-scale). In-depth knowledge of Gutenberg , WP-JSON API, and plugin architecture. Expertise in front-end development (React, JavaScript, HTML, CSS, PHP). Experience creating custom Gutenberg blocks and API integrations. Proficiency with Git, Agile workflows, and CI More ❯

Python, JavaScript (Node.js/React), or similar modern languages . Experience building and maintaining RESTful APIs and integrating third-party systems. Understanding of data processing pipelines and data interoperability (JSON, CSV, SQL). Familiarity with cloud environments (e.g., AWS). Strong problem-solving skills, with the ability to work independently and as part of a multi-partner project team. Excellent More ❯

Umbraco CMS - Strong skills in .NET/C#, ASP.NET MVC, and .NET Core/.NET 6+ - Proven experience delivering decoupled or headless CMS implementations - Solid understanding of REST APIs, JSON, and asynchronous data handling - Experience with front-end technologies: HTML5, CSS3, JavaScript - Proficiency with Git and CI/CD pipelines - Understanding of security, performance, and scalability in web environments - Familiarity More ❯

of Dataverse, connectors, and integrations. Experience with Power BI, DAX, Power Query, and data modeling. Knowledge of SharePoint, Microsoft Teams, Azure Logic Apps, and Microsoft 365 ecosystem. Experience with JSON, REST APIs, and scripting (e.g., PowerShell or JavaScript). Familiarity with Agile methodologies and DevOps practices. Excellent problem-solving, communication, and interpersonal skills. Preferred Qualifications: Microsoft Certified: Power Platform App More ❯