26 to 50 of 191 JSON Jobs in London

Senior Wordpress Developer

Hiring Organisation
Alban Recruitment Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £50,000 per annum
Front End CSS3 SASS/SCSS JavaScript (ES6+) jQuery Responsive development Cross-browser compatibility Modern Development Git version control Composer npm Vite REST APIs JSON CI/CD principles Experience in one or more of the following would be highly advantageous: React Node .js Python Laravel TypeScript Docker Linux server ...

Integration Engineer - HS2 Main Works

Hiring Organisation
Skanska
Location
London, United Kingdom
Salary
£ 80 K
security rules and escalate where risky activity is detectedWe are looking for:Azure cloud services, Python, Databricks and ETLsProtocols and formats REST/SOAP, JSON, XML, etcDevOps tools, CI/CD pipelines, Git, and automated testing frameworksStrong understanding of data warehousing, data pipelines, and cloud-native architectureExpertise in integration architecture ...

Java Developer

Hiring Organisation
Hastings Direct
Location
London, United Kingdom
Salary
£ 80 K
level applications. Experience of Java/JVM/Spring based languages Object oriented analysis and design Source Management software such as GitHub SOAP, REST, JSON, XMLJSON & XML; HTML; CSS and JavaScript Knowledge of a Test driven approach including exposure to either TDD or BDD would be an advantage Desirable Experience ...

Solution Architect

Hiring Organisation
SCS Railway
Location
London, United Kingdom
Salary
£ 80 K
using any particular design approach and technology.Technical ExpertiseStrong hands-on experience in:Azure cloud services, Python, Databricks and ETLsProtocols and formats REST/SOAP, JSON, XML, etcDevOps tools, CI/CD pipelines, Git, and automated testing frameworksStrong understanding of data warehousing, data pipelines, and cloud-native architectureDemonstrated ability to produce ...

Senior Oracle Technical Consultant - DV Cleared

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Oracle PaaS (Autonomous Database, VBCS, API Platform, Integration Cloud) and IaaS (Compute, Storage, Networking) concepts. Strong knowledge of REST/SOAP web services, XML, JSON, XSLT, and API design principles. Experience with Oracle Cloud Adapters, FBDI/HDL data loading templates, and BI Publisher reporting. Familiarity with security protocols (OAuth ...

AI & Copilot Developer

Hiring Organisation
Hunter Selection
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum 33 days holiday, bonus + more
experience with Power Apps and Power Automate. Experience or exposure to Copilot Studio, AI Agents, or Microsoft AI technologies. Knowledge of Dataverse, Power FX, JSON, JavaScript, and API integrations. Familiarity with Microsoft 365 and Azure environments. Strong problem-solving and analytical skills. Excellent communication skills and the ability to work ...

Business Intelligence Developer - SQL, ETL, Power BI, DAX

Hiring Organisation
Comtecs Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
experience, combined with the ability to engage confidently with business stakeholders. You will possess: Expert SQL skills including stored procedures, functions, XML and JSON data types. Strong understanding of Data Warehouse methodologies such as Kimball and Inmon. Strong Power BI report and dashboard development and DAX skills, including semantic modelling ...

Ruby On Rails Engineer

Hiring Organisation
Fynity
Location
London, United Kingdom
Salary
£ 70 K
APIs • Strong PostgreSQL experience, including complex queries and performance optimisation • Experience with Redis and Sidekiq for background job processing • Experience working with REST APIs, JSON serialisation, and authentication methods such as JWT or SSO • Experience working with AWS-based infrastructure • Experience using Docker within development or production environments • Experience troubleshooting ...

Application Developer (IT) – London - FTC

Hiring Organisation
Saffery Champness
Location
London, United Kingdom
Salary
£ 80 K
Power Automate Desktop and Copilot Studio.Some experience working with Microsoft Foundry would be beneficial.Working knowledge of Dataverse, solution management, and ALM concepts.Understanding of PowerFX, JSON, JavaScript and basic API/integration principles.Familiarity with Microsoft 365 and Azure fundamentals.Experience working in a structured development environment (e.g., DevOps).Strong problem-solving ...

Director, Principal Engineer

Hiring Organisation
The Bank of New York Mellon
Location
London, United Kingdom
Salary
£ 120 K
level proficiency in Java and frameworks like Spring Boot for building microservicesStrong expertise with relational databases (Oracle) and data modelling expertise (canonical data models, JSON)Deep experience with enterprise messaging platforms (Kafka, IBM MQ)Proven experience implementing AI/ML solutions ( using Python or other frameworks) to solve business problemsFull ...

Senior Data Privacy & BigID Consultant

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
basics (IAM, RBAC) Encryption, tokenization, and data masking techniques Scripting & Automation Python/Bash for automation and data profiling scripts REST API integration and JSON/XML data handling QUALIFICATIONS Experience 7+ years in data governance, privacy, or information security 4+ years in a client-facing consulting or professional services ...

Fullstack Java Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
essential. Anypoint Studio, Anypoint Exchange, API Manager, Runtime Manager. Experienced in developing integrations using Mule 4 (flows, connectors, components), building and consuming APIs, handling JSON and XML payloads We Care About Our Employees' Happiness By providing: Pension Scheme - contributions matched up to 10% Private medical Cover Income Protection Life Assurance ...

Applied AI Engineer

Hiring Organisation
Castleton Commodities International
Location
London, United Kingdom
Salary
£ 80 K
Python, SQL, and tools/libraries used in agentic development like langgraph, langchain, Pydantic models, NumPy, FastAPI/MCP, etc.Ability to work with APIs, JSON, MCPs, Git or version-controlled artifacts, and lightweight automation or prototyping workflows.Excellent written and verbal communication skills, with the ability to translate business needs into ...

Lead Rulebook Configurator | Insurance domain | London

Hiring Organisation
Infosys Technologies
Location
London, United Kingdom
Salary
£ 70 K
configuration testing, regression testing, and price-output reconciliation.Familiarity with JIRA, Confluence, Azure DevOps, or similar delivery tools.Ability to document configuration logic clearly.DesirableUnderstanding of APIs, JSON, SQL, or data mapping.Exposure to rating services, quote/bind platforms, broker portals, or delegated authority platforms.Experience with document production, workflow configuration, or downstream integration.Familiarity ...

Senior Data Engineer EMEA

Hiring Organisation
Cushman & Wakefield
Location
London, United Kingdom
Salary
£ 80 K
business rules.Advanced SQL, including window functions, query optimization, and MERGE/UPSERT operations.Python and PySpark. You write reusable, parameterized functions and work comfortably with JSON, CSV, and Parquet.Platform knowledgeDeep experience with Databricks (Declarative Pipelines, DABS, Delta Lake, Spark optimization, job orchestration).Familiarity with the Azure ecosystem.Working understanding of Unity Catalog.About ...

Senior Workday Extend Platform Consultant

Hiring Organisation
Workday
Location
London, United Kingdom
Salary
£ 80 K
external systems.Prior involvement in early adopter programs for new AI or platform capabilities. Extensive knowledge of web service and integration technologies (REST, SOAP, JSON, XML) and modern auth standards (such as OAuth, JWT, SAML). Fluency in English is mandatory. Additional European languages are an advantage. Our Approach to Flexible ...

Senior Workday Extend Platform Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
external systems. Prior involvement in early adopter programs for new AI or platform capabilities. Extensive knowledge of web service and integration technologies (REST, SOAP, JSON, XML) and modern auth standards (such as OAuth, JWT, SAML). Fluency in English is mandatory. Additional European languages are an advantage. Our Approach ...

Interface / Integration Developer (Java - Apache)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
with IBM MQ (configuration, troubleshooting, performance tuning) Strong experience building microservices and RESTful APIs Knowledge of message formats and data transformation (XML, XSD, XSLT, JSON) Experience with SQL databases and ORM frameworks Familiarity with CI/CD pipelines (e.g., TeamCity, Git-based workflows) Comfortable working in Linux environments (bash ...

Senior Android Developer

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Android SDKs, with a deep understanding of Jetpack libraries, Compose and modern Android architecture components. * Kotlin Multiplatform (KMM, KMP) * Experience with RESTful APIs, JSON, and mobile architecture patterns (MVVM, Clean Architecture). * Familiarity with Android Studio, GitHub, mobile CI/CD tools, automated testing frameworks and the Play store deployment ...

Risk Technology Data Analyst

Hiring Organisation
Cantor Fitzgerald
Location
London, United Kingdom
Salary
£ 80 K
Pentaho/Hitachi Vantara. Knowledge of Risk Management, Margin, and Fund Accounting systems (Imagine, Seamans) is an advantage. Familiarity with Markup/Markup Schemas (JSON, xml) and RESTful services is preferred. A strong analytical mindset and the ability to work with complex datasets are key. Excellent communication skills for effective ...

Power Platform Developer

Hiring Organisation
Hunter Selection
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£50000 - £65000/annum 33
Platform Developer Commercial experience developing solutions using Power Apps and Power Automate. Experience with Dataverse and Power Platform governance concepts. Understanding of Power FX, JSON, JavaScript, and system integration principles. Exposure to Power Automate Desktop, Copilot Studio, or similar automation technologies. Familiarity with Microsoft 365 and Azure environments. Strong problem ...

Full Stack Dot Net Software Developer

Hiring Organisation
Nexus Jobs
Location
London, United Kingdom
Salary
£ 55 K
business process automationCapable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swaggerPowerBI, PowerQuery, Dax & MOther API messaging formats e.g. JSON, XML, SOAPExperience of structured testing and quality assurance approaches (e.g. Test Driven Development and Behaviour Driven Development)A positive and cooperative individual who will work ...

Technical Architect Fintech

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
various application software and hardware components • Excellent understanding of programming language, frameworks and processes (C#, C++, SQL Server, Java, ASP.NET MVC, WCF, HTML, XML, JSON, CSS, Bootstrap, AJAX, jQuery, UML, REST API, React, AngularJS) • Experience of conceptual, logical and physical data modelling • Excellent understanding of cloud based infrastructure and software ...

Senior AI Engineer - Agentic AI

Hiring Organisation
EPAM Systems
Location
London, United Kingdom
Salary
£ 80 K
deployment experience (Azure preferred), using services such as Azure OpenAI, AI Foundry or AI Search, with Docker and KubernetesUnderstanding of schema validation frameworks (e.g., JSON Schema, Pydantic) and MLOps tools such as MLflow or AirflowStrong communication ability to explain trade-offs around cost, latency and accuracy to technical ...

Security Engineer

Hiring Organisation
Precise Placements
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£70,000 - £85,000 per annum
Skills & Experience Technical Expertise Strong hands-on experience with SIEM platforms (e.g. Splunk, Microsoft Sentinel, QRadar, Elastic, LogRhythm, ArcSight, Exabeam) Knowledge of log formats (JSON, syslog, XML, CEF) and ingestion methods (APIs, agents, Kafka, Event Hubs) Experience in detection engineering, threat modelling, and attacker behaviour analysis Familiarity with SOAR tools ...