1 to 25 of 48 Permanent JSON Jobs in London

Enterprise and COTS-based. Strong scripting/programming skills - SQL essential, others such as Python, Java/JavaScript, C# very welcome. API & Web Services - REST/RESTFul, SOAP, XML, JSON Cloud Platform proficiency - Knowing how to deploy, manage, and integrate services across cloud platforms is vital in either Azure, AWS, and/or more modern and agile iPaaS solutions such More ❯

Enterprise and COTS-based. Strong scripting/programming skills - SQL essential, others such as Python, Java/JavaScript, C# very welcome. API & Web Services - REST/RESTFul, SOAP, XML, JSON Cloud Platform proficiency - Knowing how to deploy, manage, and integrate services across cloud platforms is vital in either Azure, AWS, and/or more modern and agile iPaaS solutions such More ❯

. Hands-on experience with front-end frameworks such as React, Angular, or Vue.js . Solid understanding of HTML5, CSS3, and responsive design principles . Experience with RESTful APIs , JSON, and asynchronous programming. Familiarity with version control systems (Git) . Ability to write unit and integration tests (e.g., Jest, Mocha, Cypress). Strong problem-solving skills and attention to detail. More ❯

. Hands-on experience with front-end frameworks such as React, Angular, or Vue.js . Solid understanding of HTML5, CSS3, and responsive design principles . Experience with RESTful APIs , JSON, and asynchronous programming. Familiarity with version control systems (Git) . Ability to write unit and integration tests (e.g., Jest, Mocha, Cypress). Strong problem-solving skills and attention to detail. More ❯

. Hands-on experience with front-end frameworks such as React, Angular, or Vue.js . Solid understanding of HTML5, CSS3, and responsive design principles . Experience with RESTful APIs , JSON, and asynchronous programming. Familiarity with version control systems (Git) . Ability to write unit and integration tests (e.g., Jest, Mocha, Cypress). Strong problem-solving skills and attention to detail. More ❯

. Hands-on experience with front-end frameworks such as React, Angular, or Vue.js . Solid understanding of HTML5, CSS3, and responsive design principles . Experience with RESTful APIs , JSON, and asynchronous programming. Familiarity with version control systems (Git) . Ability to write unit and integration tests (e.g., Jest, Mocha, Cypress). Strong problem-solving skills and attention to detail. 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 Nice to have skills Microsoft Azure knowledge Experience of data integration and data migration projects Power BI Reporting What education and certification More ❯

management tools like Git. JavaScript, TypeScript, jQuery, SCSS/CSS, HTML. Understanding of SQL language, stored procedure, Entity Framework Familiarity with RESTful APIs and modern authorisation mechanisms such as JSON Web Token. Security understanding. Strong problem-solving skills and attention to detail. Motivated, willing to learn/improve/optimise code and perseverant. Good communication skills and ability to speak 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 ❯

expertise in Java and Spring Boot (hands-on, production experience required). Experience with Hibernate/JPA and relational databases (MySQL, Oracle, PostgreSQL). Strong knowledge of RESTful APIs, JSON, XML . Proficiency with Git or other version control systems. Solid problem-solving skills with a detail-oriented approach. Excellent communication and teamwork skills. Preferred Qualifications Experience with microservices architecture More ❯

experience integrating and extending D365 F&O , including basic X++ development Proficiency in Azure Functions , Azure AI models , and other Azure services Strong command of SQL , Power Fx , JavaScript , JSON , and C# Familiarity with tools such as Visual Studio , Git , Azure DevOps , or Monday Dev Qualifications Degree in Computer Science, Information Technology, or related field Certifications such as PL More ❯

including access control and data protection. Troubleshoot issues and work independently to research and resolve problems. Contribute to projects involving Microsoft Azure, Azure AD, Automation, PowerShell, SQL, Web Services, JSON, and coding languages such as Python or C# (advantageous but not essential). Skills and Experience Practical experience with Power Platform. Problem-solving skills and ability to work independently. Knowledge More ❯

level proficiency in Microsoft Power Automate with demonstrated experience building complex workflows Strong experience across the Microsoft Power Platform (Power Apps, Power BI, Dataverse) Solid understanding of REST APIs, JSON, and system integration patterns Experience with Microsoft 365 ecosystem and Azure services Knowledge of data modeling, database concepts, and SQL Understanding of security frameworks and compliance requirements Communication & Collaboration Skills More ❯

SIEM tools, vulnerability management, malware analysis, and firewall configurations Ability to communicate complex technical solutions to a wide range of audiences, both technical and non-technical Skilled in Python, JSON, YAML, Bash, or other relevant scripting languages 3–5 years of experience in Technical Support, or similar hands-on roles Bachelor’s/Master’s degree in a technical field More ❯

Experience with Power Platform and Dataverse. Must have project experience in delivering complex solutions. Experience with some of the following development languages such as C#, .Net, JavaScript, HTML, CSS, JSON and experience working with APIs. Experience within Microsoft Office 365 and associated platform products, Azure AD, SSO etc. Ability to work independently as well as part of a wider team. More ❯

years Front End development experience, with deep expertise in React and modern JavaScript/TypeScript Proven experience using AI tools in a development context Strong understanding of REST APIs, JSON, and Front End performance optimisation Familiarity with cloud platforms and CI/CD workflows Strong leadership, communication, and collaboration skills Salary: £80,000+ plus bonus and benefits Impact: Shape the More ❯

years in a customer implementation or onboarding and training role, including managing complex SaaS implementations for Enterprise customers A strong technical acumen and familiarity working with Jira, REST API, JSON, SAML SSO, and Azure DevOps Demonstrated skills in project management and managing customer relationships for a managed services and/or SaaS organization Strong oral and written communication skills with More ❯

Power Automate Database proficiency - working knowledge of SQL environments using SQL Management Studio API integration - strong understanding of API methods and service integration Data structures - competency with XML and JSON objects Process improvement - solid grasp of workflow automation, process mapping and business process optimisation Compliance knowledge - familiarity with compliance, client onboarding or risk-related workflows Problem-solving skills - exceptional analytical More ❯

Power Automate Database proficiency - working knowledge of SQL environments using SQL Management Studio API integration - strong understanding of API methods and service integration Data structures - competency with XML and JSON objects Process improvement - solid grasp of workflow automation, process mapping and business process optimisation Compliance knowledge - familiarity with compliance, client onboarding or risk-related workflows Problem-solving skills - exceptional analytical More ❯

engineering, data science and predictive analytics. Proficiency in Python, SQL, R, and familiarity with relational databases (SQL Server, Oracle) Experience with cloud platforms (Azure or AWS), data formats (CSV, JSON, XML), and deployment tools (ADF, Azure ML) Strong data visualisation skills (Power BI, Tableau) and experience designing client-facing dashboards A passion for social impact and a drive to help More ❯

engineering, data science and predictive analytics. Proficiency in Python, SQL, R, and familiarity with relational databases (SQL Server, Oracle) Experience with cloud platforms (Azure or AWS), data formats (CSV, JSON, XML), and deployment tools (ADF, Azure ML) Strong data visualisation skills (Power BI, Tableau) and experience designing client-facing dashboards A passion for social impact and a drive to help More ❯

engineering, data science and predictive analytics. Proficiency in Python, SQL, R, and familiarity with relational databases (SQL Server, Oracle) Experience with cloud platforms (Azure or AWS), data formats (CSV, JSON, XML), and deployment tools (ADF, Azure ML) Strong data visualisation skills (Power BI, Tableau) and experience designing client-facing dashboards A passion for social impact and a drive to help More ❯

engineering, data science and predictive analytics. Proficiency in Python, SQL, R, and familiarity with relational databases (SQL Server, Oracle) Experience with cloud platforms (Azure or AWS), data formats (CSV, JSON, XML), and deployment tools (ADF, Azure ML) Strong data visualisation skills (Power BI, Tableau) and experience designing client-facing dashboards A passion for social impact and a drive to help More ❯

and risk Proven experience integrating security into agile development environments Strong working knowledge of Azure PaaS and Azure DevOps (CI/CD) Familiar with scripting languages like PowerShell, YAML, JSON Expertise in application security tools and DevSecOps processes Understanding of key frameworks and standards (e.g. OWASP, NIST SSDF, ISO27001, NCSC) Experience with threat modelling, risk assessments, and secure design reviews More ❯

and risk Proven experience integrating security into agile development environments Strong working knowledge of Azure PaaS and Azure DevOps (CI/CD) Familiar with scripting languages like PowerShell, YAML, JSON Expertise in application security tools and DevSecOps processes Understanding of key frameworks and standards (e.g. OWASP, NIST SSDF, ISO27001, NCSC) Experience with threat modelling, risk assessments, and secure design reviews More ❯