1 to 25 of 56 JSON Jobs in London

Full Stack Engineer

Hiring Organisation
Information Tech Consultants
Location
Greater London, England, United Kingdom
Familiarity with JUnit for writing and executing test cases Basic understanding of cloud platforms like AWS, Azure, or GCP Strong knowledge of RESTful APIs, JSON, and HTTP Experience with version control tools like Git Experienced in working within Agile/Scrum environments. Familiar with Agile tools such as JIRA, Confluence ...

Senior Software Engineer

Hiring Organisation
Cyber Guardian Consulting Group, LLC
Location
City of London, London, United Kingdom
alerts, retries) Help shape engineering culture and hiring as we build out the London team Required Qualifications Strong experience working with REST APIs and JSON/XML payloads Proficiency in Python or other backend languages Proficient or experienced with cloud technologies such as AWS, Azure, or GCP Experience debugging ...

Developer (MS) (18 Months FTC)

Hiring Organisation
London Borough of Barnet
Location
Barnet, London, United Kingdom
Employment Type
Contract
Contract Rate
£56376 - £61653/annum
core development languages such as PowerShell, JavaScript, C#, Python or similar. - Experience working with data sources including MS SQL, Dataverse, APIs, REST services, JSON/XML and other integration methods. - Strong problemsolving skills and the ability to identify creative solutions to longstanding challenges. - Excellent communication skills, with the ability ...

Senior Data Engineer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £600 per day
building dashboards and reports using Power BI Programming or scripting experience (e.g. C#, Python, PowerShell) Experience consuming APIs and working with semi-structured data (JSON, XML) Experience with Microsoft Azure data services such as Azure Data Factory, Azure Data Lake, Azure SQL, Azure Synapse, Azure Functions, Cosmos DB Familiarity with ...

Data Engineer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500.00 - £550.00 per hour
building dashboards and reports using Power BI Programming or scripting experience (e.g. C#, Python, PowerShell) Experience consuming APIs and working with semi-structured data (JSON, XML) Experience with Microsoft Azure data services such as Azure Data Factory, Azure Data Lake, Azure SQL, Azure Synapse, Azure Functions, Cosmos DB Familiarity with ...

Azure AI Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
operationalizing AI solutions. Practical experience architecting and implementing RAG-based systems using Azure Search or vector index stores. Strong programming experience in Python, C#, JSON, or Node.js for integrating AI models and building backend services. Experience with Azure cloud services including Azure Functions, Logic Apps, Storage, App Services, Key Vault ...

Lead Solution Architect

Hiring Organisation
BP Energy
Location
South West London, London, United Kingdom
Employment Type
Work From Home
Terraform. Familiarity with React for UI development is highly valuable. Integration Expertise: You understand real-time messaging such as AMQ, API design using JSON and Swagger, and batch processing methods commonly used in trading systems. Infrastructure & DevOps: You understand CI/CD workflows, Git-based repositories, automation tools such ...

Developer (AI/RPA) (18 Months FTC)

Hiring Organisation
London Borough of Barnet
Location
Barnet, London, United Kingdom
Employment Type
Contract
Contract Rate
£56376 - £61653/annum
workflows, bots and automation solutions - Experience developing and maintaining automated pipelines for AI tools - Ability to integrate multiple systems and applications using APIs, JSON, XML, CSV, or other data interchange methods. - Knowledge of database environments (e.g., MS SQL, Dataverse, OneLake). - Experience working with or supporting machine learning models, including ...

DevOps Engineer

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £60,000 per annum
Code practices and implementation Strong understanding of networking, security, and system administration. Technical Skills Azure monitoring and Application Insights ARM/Bicep templates and JSON scripting PowerShell scripting Software development methodologies and practices Security best practices and risk management Technical Skills & Innovation Ability to monitor system performance, availability, and reliability ...

Quality Assurance Automation Engineer

Hiring Organisation
Retelligence
Location
City of London, London, United Kingdom
Move beyond surface-level checks; you will utilize SQL and exploratory techniques to identify root causes within high-velocity messaging streams ( FIX, Swift, XML, JSON ). Pipeline Mastery: Own the quality gate within the CI/CD lifecycle, ensuring automated triggers and data quality checks are seamless and fail-safe. ...

Workday Integration Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £501 per day
Integration: Experience with RESTful and SOAP APIs to connect Workday with other systems and applications. Data Formats: Familiarity with various data formats like XML, JSON, and CSV for data exchange and transformation. Database Skills: Understanding of database concepts and SQL for managing and querying data. Security and Authentication: Knowledge ...

Prompt Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
AI. Practical experience deploying LLM solutions on Azure (e.g., Azure OpenAI, Azure Functions, App Service, Key Vault). Proficiency with REST APIs and JSON; integrating LLM calls into applications/services using Python or C# (Node.js also acceptable). Working knowledge of embeddings, document chunking strategies, indexing, semantic search ...

Mid-Senior Ruby on Rails Engineer (B2B SaaS | Hybrid | UK)

Hiring Organisation
Transreport
Location
City of London, London, United Kingdom
experience with PostgreSQL, including performance tuning and complex queries. Experience with background job processing using Sidekiq and Redis. Solid understanding of RESTful API design, JSON serialization, and authentication (e.g., JWT, SSO). Hands-on experience with AWS services and containerised deployments (Docker). Experience troubleshooting and supporting production systems. Comfortable ...

Mainframe Developer with CICS Webservices

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £350 to £400 per day
extensive knowledge in CICS webservices. Development experience using FileAid, Xpeditor, IBM Explorer for z/OS, and Visual Studio. Proficient with SOAP, WSDL, and JSON, with a comprehensive understanding of SOA and RESTful APIs. Experience working with code repositories, bug tracking tools, and wikis. Tools include GitLab, Endevor, JIRA ...

Mainframe Engineer

Hiring Organisation
Lorien
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
CICS webservices, ZOS Connect EE, DB2, and batch processing. Strong skills in Mainframe transaction management, JCL, and system debugging tools. Familiarity with SOAP, WSDL, JSON, and integration patterns such as SOA and RESTful APIs. Good working knowledge of AWS services, particularly CloudWatch, DynamoDB, and Lambda, including monitoring, troubleshooting, and optimisation. ...

Z/OS Mainframe Engineer

Hiring Organisation
Lorien
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
CICS webservices, ZOS Connect EE, DB2, and batch processing. Strong skills in Mainframe transaction management, JCL, and system debugging tools. Familiarity with SOAP, WSDL, JSON, and integration patterns such as SOA and RESTful APIs. Good working knowledge of AWS services, particularly CloudWatch, DynamoDB, and Lambda, including monitoring, troubleshooting, and optimisation. ...

PEGA Developer

Hiring Organisation
LA International Computer Consultants Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Pega architecture and rule resolution, including class structure, rulesets, circumstancing, inheritance, and performance tuning. * Experience in building integrations using REST/SOAP services, JSON/XML, and handling Real Time and batch data exchanges with upstream/downstream systems. * Strong understanding of data modelling in Pega, including Data Pages, data ...

Infrastructure / DevOps Engineer

Hiring Organisation
Morgan Spencer
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£54,000 - £58,000 per annum
backup and restoration. Extensive Git/GitHub experience. Strong shell scripting skills (bash, .sh, .yml etc.). Familiarity with common configuration formats (YAML, TOML, JSON). Confident using command-line interfaces. Experience with DNS setup, SSL certificates and Cloudflare configuration. Desirable Experience configuring and maintaining Moodle. Knowledge ...

Contract Software Engineer - eDV Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £800 per day
skills and a proactive, team-oriented approach. Confident client-facing communication skills. Desirable Skills & Experience Experience with Apache NiFi and Node.js . Familiarity with JSON, XML, XSD, and XSLT . Knowledge of Jenkins, Maven, BitBucket, and Jira . Exposure to AWS and cloud technologies. Experience working within agile methodologies (Scrum ...

Pega Developer

Hiring Organisation
Project Recruit
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 600 Daily
Pega architecture and rule resolution, including class structure, rulesets, circumstancing, inheritance, and performance tuning. Experience in building integrations using REST/SOAP services, JSON/XML, and handling Real Time and batch data exchanges with upstream/downstream systems. Strong understanding of data modelling in Pega, including Data Pages, data ...

Mulesoft Architect

Hiring Organisation
167 Solutions Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Anypoint Platform (Studio, API Manager, Runtime Manager) Solid understanding of API-led connectivity and enterprise integration patterns Experience with REST, SOAP, RAML/OpenAPI, JSON, XML Strong DataWeave development and transformation experience Familiarity with CI/CD pipelines and cloud deployment models Ability to manage both design-level architecture ...

Emerging Technology Developer

Hiring Organisation
Parker Shaw
Location
London, United Kingdom
Employment Type
Any
Salary
GBP Annual
Very good understanding of industry standard trading protocols like FIX, FpML Proficiency with Data Standards & Data Modelling Proficiency with text-based formats like XML & JSON Strong Proficiency with messaging frameworks - MQ/Kafka Proficiency with Spring, Spring Boot, Spring Integration Familiarity with testing patterns and dev ops Familiarity with cloud ...

Power Automate Specialist / Automation Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £400 to £425 per day
Dynamics 365 (CE/CRM) and Dataverse. Solid understanding of Azure services: Logic Apps, Functions, APIM, Event Grid, Service Bus. Proficiency with REST APIs, JSON, OAuth, and Microsoft Graph. Experience with Power Apps, Power BI, and Power Platform ALM is beneficial. Familiarity with RPA best practices and process mapping. Desirable ...

Shopify Developer

Hiring Organisation
Halian Technology Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
HTML5, CSS3/SCSS, JavaScript ES6+) Experience building custom Shopify themes (not just modifying pre-built themes) Familiarity with Shopify 2.0 architecture (sections everywhere, JSON templates) Experience integrating third-party apps and APIs Strong understanding of responsive design principles Git/version control experience Ability to manage multiple client projects ...

Shopify Developer

Hiring Organisation
Hays Technology
Location
Acton, London, United Kingdom
Employment Type
Permanent
Salary
£40000 - £50000/annum up to 50K
experience building and maintaining Shopify storefronts with a strong front-end portfolio. Excellent understanding of Shopify architecture and theme development (Online Store 2.0, Liquid, JSON templates, sections, metafields/metaobjects). Hands-on experience with Shopify Plus and Shopify Markets in a multi-store environment. Strong HTML, CSS/SCSS ...