DemandTrendContract JSON Jobs in London

25 of 25 DemandTrendContract JSON Jobs in London

Mulesoft Technical Lead

South East London, London, United Kingdom
LA International Computer Consultants Ltd
solutions. Required Skills: Good experience of: integration concepts & technologies. MuleSoft Anypoint Platform & components (Mule ESB, API Manager, CloudHub, etc.) Java programming & experience with other programming languages such as XML, JSON, SQL Agile software development methodologies. Cloud-based integration platforms such as Amazon Web Services (AWS) or Microsoft Azure. API design and development. Knowledge of RESTful web services, SOAP, & other integration More ❯
Employment Type: Contract
Rate: £700 - £765 per day
Posted:

Platform Engineer/SRE

Bromley, Greater London, Bromley Town, United Kingdom
Hybrid / WFH Options
Ascendion
continuous deployment environment, preferably within a financial domain. Strong experience in Java/J2EE, Spring Boot, Mule, web Services, Kafka, SQL & PL/SQL (Oracle) Strong knowledge of XML, JSON and its usage within API and Microservice implementations at scale. Experience in OpenShift, Kubernetes or any one the container platform. Experience with WebLogic or JBoss or Mule or tomcat application More ❯
Employment Type: Permanent, Contract
Posted:

Platform Engineering Lead

Bromley, Greater London, Bromley Town, United Kingdom
Ascendion
continuous deployment environment, preferably within a financial domain. Strong experience in Java/J2EE, Spring Boot, Mule, web Services, Kafka, SQL & PL/SQL (Oracle) Strong knowledge of XML, JSON and its usage within API and Microservice implementations at scale. Significant expertise in cloud-native deployment using OpenShift, Kubernetes or any one the container platform. Experience maintaining on-premises environments More ❯
Employment Type: Permanent, Contract
Posted:

D365 Finance Senior Integration Developer remote

London, South East, England, United Kingdom
Hybrid / WFH Options
Hays Specialist Recruitment Limited
for XML).Proficiency in tools like Postman, Azure Logic Apps, and scripting (e.g., C#, PowerShell) for API orchestration, along with ETL processes.Knowledge of data mapping, XML/CSV/JSON formats, and handling large transaction volumes with retries, idempotency, and throttling.Expertise in Azure integration services (e.g., Service Bus, Event Grid, Function Apps) and monitoring (e.g., Application Insights, Log Analytics).Coding More ❯
Employment Type: Contractor
Rate: £500 - £550 per day
Posted:

D365 Finance Senior Integration Developer (remote)

London, United Kingdom
Hybrid / WFH Options
Hays
. Proficiency in tools like Postman, Azure Logic Apps, and scripting (e.g., C#, PowerShell) for API orchestration, along with ETL processes. Knowledge of data mapping, XML/CSV/JSON formats, and handling large transaction volumes with retries, idempotency, and throttling. Expertise in Azure integration services (e.g., Service Bus, Event Grid, Function Apps) and monitoring (e.g., Application Insights, Log Analytics More ❯
Employment Type: Contract, Work From Home
Rate: £500.0 - £550.0 per day + c£510 per day (inside IR35)
Posted:

Senior Integration Developer

London, United Kingdom
Hybrid / WFH Options
Hays
end client. Key Requirements: Hands-on experience as a Senior Integration Developer, with D365 Finance integrations. Deep knowledge of REST APIs, OData, DMF packages, and data mapping (XSLT, XML, JSON, CSV). Proficiency in tools like Postman, Azure Logic Apps, PowerShell, and C#. Experience with ETL processes, error handling, idempotency, and throttling. Strong understanding of secure data handling, encryption, and More ❯
Employment Type: Contract
Rate: £500.0 - £515.0 per day + up to £515 pd (InsideIR35)
Posted:

Senior Integration Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Hays Specialist Recruitment Limited
end client. Key Requirements: Hands-on experience as a Senior Integration Developer, with D365 Finance integrations. Deep knowledge of REST APIs, OData, DMF packages, and data mapping (XSLT, XML, JSON, CSV). Proficiency in tools like Postman, Azure Logic Apps, PowerShell, and C#. Experience with ETL processes, error handling, idempotency, and throttling. Strong understanding of secure data handling, encryption, and More ❯
Employment Type: Contractor
Rate: £500 - £515 per day
Posted:

PowerApps Developer

London, South East, England, United Kingdom
FDM Group
Minimum of 5 years’ experience in PowerApps development (Canvas & Model-Driven) Strong proficiency in Power Automate, Dataverse, and Power BI integration Solid understanding of relational databases, REST APIs, and JSON Experience with Azure services (Functions, Logic Apps, AD) is a plus Familiarity with ALM practices and DevOps pipelines for Power Platform Excellent problem-solving and stakeholder communication skills Microsoft certifications More ❯
Employment Type: Contractor
Rate: £55,000 - £80,000 per annum
Posted:

WebMethods Developer

London, United Kingdom
Hybrid / WFH Options
Randstad Digital
and design solutions that deliver real value. Must Have skills Hands-on experience with WebMethods 9 and 10 integration delivery. Strong knowledge of JMS Queues, SAP Adaptors, SFTP, HTTPS, JSON, XML, and SOAP. Experience in WebMethods administration, including patch management and capacity monitoring. Understanding of automated testing and CI/CD pipelines. Excellent communication skills and the ability to work More ❯
Employment Type: Contract, Work From Home
Rate: £600 - £650 per day
Posted:

WebMethods Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Randstad Technologies
and design solutions that deliver real value. Must Have skills Hands-on experience with WebMethods 9 and 10 integration delivery. Strong knowledge of JMS Queues, SAP Adaptors, SFTP, HTTPS, JSON, XML, and SOAP. Experience in WebMethods administration, including patch management and capacity monitoring. Understanding of automated testing and CI/CD pipelines. Excellent communication skills and the ability to work More ❯
Employment Type: Contractor
Rate: £600 - £650 per day, Negotiable
Posted:

Axway API Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Randstad Digital
a solid foundation in: Axway's core products: Policy Studio, API Gateway, and API Manager. Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. Data and messaging formats: JSON, XML, SOAP, and REST. Linux scripting and environments. Using DevOps toolsets to automate testing and deployments. 6 months contract Inside IR35 - Remote Working - ?? £500 to £650 a day *Active SC More ❯
Employment Type: Contract, Work From Home
Rate: £500 - £650 per day
Posted:

Axway API Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Randstad Technologies
a solid foundation in: Axway's core products: Policy Studio, API Gateway, and API Manager. Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. Data and messaging formats: JSON, XML, SOAP, and REST. Linux scripting and environments. Using DevOps toolsets to automate testing and deployments. 6 months contract Inside IR35 - Remote Working - £500 to £650 a day *Active SC More ❯
Employment Type: Contractor
Rate: £500 - £650 per day
Posted:

Head of Automation Development

London, South East, England, United Kingdom
Hybrid / WFH Options
Morgan McKinley
transformations. Continuous improvement mindset with the ability to inspire high performance in others. Key skills & technologies:Automation & orchestration: Cisco NSO, Ansible, workflow automation platforms.Programming & modelling: Python, JavaScript, Netconf, XML, JSON, YANG, TOSCA.Architectural approaches: Microservices, CI/CD/CT (GitLab, Robot, Selenium, Cucumber, Veracode, SonarQube).Emerging technology: Familiarity with AI/ML concepts and their application in automation. Please note More ❯
Employment Type: Contractor
Rate: £700 - £800 per day
Posted:

Senior Cloud Data Engineer

London, United Kingdom
Pontoon
Familiarity with DevOps tools such as GitHub Actions or Jenkins. Solid grounding in modern engineering principles and full-stack development. Bonus Skills: Airflow, Kafka/Kafka Connect, Delta Lake, JSON/XML/Parquet/YAML, cloud-based data services. Why Apply? Work for a global payments innovator shaping the future of commerce. Join a highly skilled, collaborative, and forward More ❯
Employment Type: Contract
Rate: £95 - £115/hour
Posted:

Senior Cloud Data Engineer

London, South East, England, United Kingdom
Pontoon
Familiarity with DevOps tools such as GitHub Actions or Jenkins. Solid grounding in modern engineering principles and full-stack development. Bonus Skills: Airflow, Kafka/Kafka Connect, Delta Lake, JSON/XML/Parquet/YAML, cloud-based data services. Why Apply? Work for a global payments innovator shaping the future of commerce. Join a highly skilled, collaborative, and forward More ❯
Employment Type: Contractor
Rate: £95.00 - £115.00 per hour
Posted:

M365 Co-pilot Engineer / Specialist

London, United Kingdom
Hybrid / WFH Options
Pontoon
experience with Azure OpenAI, Azure Active Directory, Logic Apps, and API Management Expertise in enterprise architecture and secure solution design Technical Skills Microsoft Graph API REST APIs, OAuth, and JSON Microsoft 365 compliance and identity management Prompt engineering and grounding techniques Custom Copilot development via Copilot Studio Desirable Certifications Microsoft Certified Azure Solutions Architect Expert Microsoft 365 Certified Enterprise Administrator More ❯
Employment Type: Contract
Posted:

Business Systems Analyst

London, United Kingdom
Pontoon
communication skills. You will need : Proven experience as a Business Analyst or Systems Analyst in a financial services, payments, or fintech environment. Strong knowledge of API-based systems (REST, JSON, XML) and how to document and validate API requirements. Familiarity with tools like Postman, Swagger/OpenAPI, or similar for API analysis and testing. Experience working with Agile methodologies (SAFe More ❯
Employment Type: Contract
Rate: £650 - £700/day
Posted:

Business Systems Analyst

London, South East, England, United Kingdom
Pontoon
communication skills. You will need : Proven experience as a Business Analyst or Systems Analyst in a financial services, payments, or fintech environment. Strong knowledge of API-based systems (REST, JSON, XML) and how to document and validate API requirements. Familiarity with tools like Postman, Swagger/OpenAPI, or similar for API analysis and testing. Experience working with Agile methodologies (SAFe More ❯
Employment Type: Contractor
Rate: £650 - £700 per day
Posted:

115797 Webmethods Developer

London, United Kingdom
Hybrid / WFH Options
CBSbutler Holdings Limited trading as CBSbutler
for Deployment of WebMethods Patches, monitor capacity, providing service improvements Liaise with customers to define project requirements, document and design solutions Knowledge of: JMS Queues SAP Adaptors SFTP HTTPS JSON XML If you'd like to discuss this WebMethods Developer in more detail, please send your updated CV to (url removed) and I will get in touch. More ❯
Employment Type: Contract
Rate: £650 - £700/day
Posted:

Elastic Engineer

London, United Kingdom
Hybrid / WFH Options
Experis
ingesting network telemetry into Elasticsearch. * Scripting proficiency in Python and/or PowerShell to automate ELK deployment, monitoring, and alerting pipelines. * Experience designing and working with APIs (REST/JSON/XML) and integrating third-party data sources into the ELK stack. * Exposure to Solace, 29West, Tibco, or other low latency messaging platforms is advantageous for understanding event-driven architectures More ❯
Employment Type: Contract
Rate: £400 - £430/day
Posted:

Oracle Cloud Integrations Specialist

London, United Kingdom
Hybrid / WFH Options
SUMMER-BROWNING ASSOCIATES LIMITED
Fusion Cloud Demonstrated experience connecting Oracle ERP and HCM through Oracle Integration Cloud Expert skills in developing and unit testing integration components and web services (SOAP/REST/JSON Payload) using OIC, Postman, and Curl Solid experience with PaaS Cloud system interfaces To apply, please submit your latest CV for review. More ❯
Employment Type: Contract, Work From Home
Rate: Up to £0.00 per day + Excellent Day Rates
Posted:

SC Cleared SharePoint Developer - REMOTE - INSIDE

City of London, London, England, United Kingdom
Hybrid / WFH Options
Lorien
knowledge of SharePoint architecture, features, and functionalities Technical Skills Proficiency in SharePoint configuration, customisation, and development Experience with Power Apps suite Experience with customisation and scripting languages such as JSON Understanding of security design and features. Knowledge of VBA (Visual Basic for Applications) highly desirable Knowledge of Power BI and Microsoft Access desirable Please apply! Carbon60, Lorien & SRG - The Impellam More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Principal Data Engineer - Contract

London, South East, England, United Kingdom
Robert Walters
Luigi, or Spark. Proven track record building robust, scalable ETL/ELT systems. Experience with scientific, semi-structured, or biodiversity data. Familiarity with semantic web standards (e.g. Darwin Core, JSON-LD, Linked Data). Knowledge of NoSQL/graph databases (e.g. MongoDB, Neo4j, Neptune) a plus. Hands-on with cloud-native architectures, especially AWS. Understanding of data versioning, provenance, and More ❯
Employment Type: Contractor
Rate: £450 - £650 per day
Posted:

Senior C# Developer

London, South East, England, United Kingdom
Hays Specialist Recruitment Limited
knowledge of version control systems such as Git and associated CI/CD tooling (ideally with Azure DevOps, Jenkins or similar) Experience working with structured data formats and APIs (JSON Payloads). Knowledge of schema evolution and validation practices (JSON Schema Registry). Ability to containerize applications and manage Docker images. Experience deploying and managing services in Azure (e.g., AKS More ❯
Employment Type: Contractor
Rate: £420 - £460 per day
Posted:

Technical Data Lead

London, South East, England, United Kingdom
Hybrid / WFH Options
FDM Group
Lead: Design, implement, and manage a repeatable and scalable DataOps model that integrates data engineering, discovery, modelling, and reporting functions across projects Analyse structured and semi-structured data (e.g., JSON, XML, SQL exports, SAP CDS views) to inform data integration strategies, mapping, and solution wireframes Work closely with internal business units and external stakeholders to gather requirements, present solution designs … Experience with wireframing and designing data visualisation solutions (preferably in Power BI) Expertise in data mapping and data modelling Experience working with structured and semi-structured data formats, including JSON, XM, SQL, SAP CDS Views Must be proficient in Python, PowerShell, Azure Data Factory, Power BI and SQL Experience developing within a centralised data environment and contributing to the evolution More ❯
Employment Type: Contractor
Rate: £70,000 - £80,000 per annum
Posted:
JSON
London
10th Percentile
£381
25th Percentile
£450
Median
£538
75th Percentile
£608
90th Percentile
£682