JSON Jobs in London

1 to 25 of 63 JSON Jobs in London

C# Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
FDM Group
retaining and Drift monitoring in Azure with knowledge of Microsoft Azure Strong understanding of object-oriented programming and familiarity with front-end technologies like HTML, CSS, React and JavaScript, JSON Strong command of SQL for database management, query optimisation and No SQL databases Experience in Python Programming and data visualisation using PowerBI or similar tools Exposure to applying ML algorithms More ❯
Employment Type: Contractor
Rate: £55,000 - £75,000 per annum
Posted:

Guidewire Developer

London, United Kingdom
Stackstudio Digital Ltd
support new opportunities. What are we looking for? 3+ years software development experience, including: JAVA 5/J2EE, ReactJS, Web Services, XML, SQL, Gradle, Spring, Hibernate, Castor, REST/JSON and Enterprise Messaging System. Using configuration management tools like Git, Tortoise SVN, Source Tree, Perforce, Plastic and ticket management tools like Azure DevOps, JIRA, HPQC. Knowledge of the AGILE methodology More ❯
Employment Type: Contract
Posted:

SSIS Developer

London, United Kingdom
Experis
knowledge of T-SQL (queries, stored procedures, functions, indexing, performance tuning). Experience working with relational databases (SQL Server, Oracle, etc.) and flat file/CSV/XML/JSON data sources. Strong understanding of ETL design patterns, data warehousing concepts. Experience with SQL Server Agent or other scheduling tools. Strong troubleshooting and problem-solving skills. Preferred Skills Familiarity with More ❯
Employment Type: Contract
Rate: £430.00 - £450.00 per day
Posted:

Java Developer

London, United Kingdom
Scrumconnect Limited
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

PHP Developer

London, United Kingdom
Akkodis
with core business systems and delivering high-quality, scalable solutions. Key Responisibilites: Develop, maintain, and enhance PHP applications across web and enterprise environments Build and consume APIs (REST/JSON, SOAP) for integration's with third-party and internal systems Collaborate with cross-functional teams including product owners, business analysts, and testers Optimise application performance, scalability, and security Deliver clean More ❯
Employment Type: Contract
Rate: £400 - £450/day
Posted:

PHP Developer

London, South East, England, United Kingdom
Akkodis
with core business systems and delivering high-quality, scalable solutions. Key Responisibilites: Develop, maintain, and enhance PHP applications across web and enterprise environments Build and consume APIs (REST/JSON, SOAP) for integration's with third-party and internal systems Collaborate with cross-functional teams including product owners, business analysts, and testers Optimise application performance, scalability, and security Deliver clean More ❯
Employment Type: Contractor
Rate: £400 - £450 per day
Posted:

Senior Microsoft Dynamics 365 CRM Developer

London, United Kingdom
Hybrid / WFH Options
Cognizant
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 ❯
Employment Type: Permanent, Work From Home
Posted:

Microsoft Dynamics 365 CE Solution Architect

London, United Kingdom
Hybrid / WFH Options
Cognizant
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 ❯
Employment Type: Permanent, Work From Home
Posted:

Integration Engineer

EC1A, Farringdon, Greater London, United Kingdom
Hybrid / WFH Options
Charles Simon Associates Ltd
Mirth Connect, Rhapsody, Cloverleaf, or InterSystems Ensemble. Proficiency in Java, JavaScript, Python, or C#/.NET for scripting and interface development. Experience designing and consuming REST/SOAP APIs (JSON, XML). Solid understanding of healthcare workflows and clinical systems (Epic, Cerner, Meditech, EMIS, SystemOne, or equivalent). Strong SQL/database skills for data transformation and troubleshooting. Familiarity with More ❯
Employment Type: Contract
Rate: £450 - £550/day
Posted:

Java Developer - Active SC

London, United Kingdom
Hays
core AWS services (EC2, S3, Lambda, IAM, etc.) Kafka/Messaging Systems: Expertise in building event-driven architectures SQL: Strong experience with relational databases and query optimization REST/JSON APIs: Designing, developing, and consuming scalable APIs Docker: Proficiency in containerizing applications for local and cloud environments Communication: Excellent communication skills to convey complex ideas effectivel Nice to have: JavaScript More ❯
Employment Type: Contract
Rate: £600.0 - £640.0 per day + up to £640 pd (Inside IR35)
Posted:

Java Developer - Active SC

London, South East, England, United Kingdom
Hays Specialist Recruitment Limited
core AWS services (EC2, S3, Lambda, IAM, etc.) Kafka/Messaging Systems: Expertise in building event-driven architectures SQL: Strong experience with relational databases and query optimization REST/JSON APIs: Designing, developing, and consuming scalable APIs Docker: Proficiency in containerizing applications for local and cloud environments Communication: Excellent communication skills to convey complex ideas effectivel Nice to have: JavaScript More ❯
Employment Type: Contractor
Rate: £600 - £640 per day
Posted:

Power Platform Developer - Dynamics F&O

City of London, London, England, United Kingdom
INTEC SELECT LIMITED
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 ❯
Employment Type: Full-Time
Salary: £65,000 - £70,000 per annum
Posted:

C++ Developer

Hounslow, London, United Kingdom
Hybrid / WFH Options
iDPP
experience. Proficient in C++11 or later with strong knowledge of memory management, concurrency, and object-oriented programming. Solid experience with AngularJS, HTML, CSS, and JavaScript. Familiarity with REST APIs, JSON, and web service integration. Experience in maintenance/support roles involving bug fixing and system enhancement. Strong debugging and full-stack problem-solving skills. Proficient in using Git and working More ❯
Employment Type: Contract
Rate: £430 per day INSIDE IR35
Posted:

Digital Developer

Crofton Park, Greater London, UK
StackStudio Digital Ltd
Development: Strong experience with React.js, JavaScript/TypeScript, HTML5, and CSS3. Guidewire Digital: Firsthand experience with JDP, APD, or Jutro SDK is highly desirable. Integration: Familiarity with REST APIs, JSON, and integration with core systems. Agile Delivery: Experience working in agile squads using tools like Jira, Azure DevOps, or Confluence. Design Collaboration: Ability to work with Figma-based or other More ❯
Posted:

Endur Technical Architect

London, United Kingdom
Harvey Nash
tools (Docker, OpenShift, Kubernetes); web UI development (React). Must understand Infrastructure as a Code (Terraform) Integration - Expert experience with integration techniques, including real-time messaging (AMQ), API design (JSON, Swagger), and batch techniques. Infrastructure and Operational - Familiarity with DevOps practices, including CI/CD, automated deployments via Ansible, GIT Repositories. cloud infrastructure offerings, Grid Computing elasticity, and cost optimization. More ❯
Employment Type: Contract
Posted:

Endur Technical Architect

London, South East, England, United Kingdom
Harvey Nash
tools (Docker, OpenShift, Kubernetes); web UI development (React). Must understand Infrastructure as a Code (Terraform) Integration - Expert experience with integration techniques, including real-time messaging (AMQ), API design (JSON, Swagger), and batch techniques. Infrastructure and Operational - Familiarity with DevOps practices, including CI/CD, automated deployments via Ansible, GIT Repositories. cloud infrastructure offerings, Grid Computing elasticity, and cost optimization. More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Power Platform Developer

London, United Kingdom
Hybrid / WFH Options
Ashdown Group
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 ❯
Employment Type: Permanent
Salary: £30,000
Posted:

MS Power Platform Engineer

City of London, London, United Kingdom
Espire Infolabs Limited
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 ❯
Employment Type: Permanent
Posted:

MS Power Platform Engineer

London, UK
Espire Infolabs limited
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 ❯
Employment Type: Full-time
Posted:

Data Engineer

London, United Kingdom
Gunvor Group
data warehousing technologies (e.g., Spark, Snowflake, Delta Lake). Strong understanding of data governance, master data management, and data quality frameworks. Solid grasp of web technologies and APIs (REST, JSON, XML, authentication protocols). Experience with DevOps practices, CI/CD pipelines, and containerization (Docker, Kubernetes). Strong communication skills with the ability to explain complex technical concepts to non More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Power Platform Developer

London, United Kingdom
Morgan Philips Group SA
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Power Platform Developer

London, South East, England, United Kingdom
Morgan Philips Specialist Recruitment
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 ❯
Employment Type: Full-Time
Salary: £55,000 - £60,000 per annum
Posted:

Lead Power Platform Developer

London, United Kingdom
Hybrid / WFH Options
Alexander Mann Solutions - Public Sector Resourcing
solutions and their trade-offs. . Creating and maintaining Dataverse data models for handling sensitive PII data . Experience of cloud networking (eg VPCs, AWS/Azure bridges, etc), JSON data, AWS SQS, Microsoft Purview, whilst not essential, may be useful Skills & experience required: . Microsoft Certified in Power Platform Solution Architecture, Developer or other relevant Power Platform/Azure More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

Solutions Architect

London, United Kingdom
productboard, Inc
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

API Developer - SC Cleared

London, United Kingdom
Hybrid / WFH Options
CBSbutler Holdings Limited trading as CBSbutler
for Deployment of Axway Patches, monitor capacity, providing service improvements Liaise with customers to define project requirements, document and design solutions Knowledge of: SFTP HTTPS SSL/TLS oAuth JSON XML SOAP REST Mime * Linux Scripting More ❯
Employment Type: Contract
Rate: £650 - £690/day
Posted:
JSON
London
10th Percentile
£47,500
25th Percentile
£52,905
Median
£70,000
75th Percentile
£81,000
90th Percentile
£108,500