1 to 25 of 134 JSON Jobs in London

Markets knowledge, ideally within Clearing or Prime Brokerage. Desirable Previous team leadership or mentoring experience Knowledge of Groovy, FIX/FIXML, FpML, REST APIs, JSON or messaging technologies Experience developing client portals and reporting platforms Experience working with distributed or offshore development teams. Technical Environment You'll have exposure ...

MSMQ or RabbitMQ • Experience of web technologies including HTML, CSS, JavaScript, jQuery and web client frameworks such as Knockout.js or Angular • Experience of XML, JSON and related like schemas and XSLT transformations • Experience of T-SQL for Microsoft SQL Server (2012 or higherThis role is for candidates who are looking ...

Execution Automation & Tools Selenium Playwright (essential) Postman REST API Testing JMeter/Performance Testing Jira Xray/Zephyr Technical Skills SQL and Database Testing JSON/REST Services Mobile Testing (iOS & Android) Web Application Testing Test Data Management Log Analysis and Troubleshooting DevOps & Delivery GitHub Git CI/CD Pipelines ...

Design and optimise AWS Aurora PostgreSQL databases and data platforms. Deploy and support applications using Docker and Kubernetes . Develop API integrations using REST, JSON and modern API design practices. Implement resilient systems with appropriate retry, timeout and error-handling mechanisms. Work with monitoring and observability tools including Grafana, Prometheus ...

MSMQ or RabbitMQ • Experience of web technologies including HTML, CSS, JavaScript, jQuery and web client frameworks such as Knockout.js or Angular • Experience of XML, JSON and related like schemas and XSLT transformations • Experience of T-SQL for Microsoft SQL Server (2012 or higherThis role is for candidates who are looking ...

/SQL skills with Oracle databases. Experience working with Oracle database design. Good knowledge of Linux (RHEL) environments. Experience with XML and JSON message formats. Strong understanding of enterprise integration and messaging architecture. Experience across the full Software Development Lifecycle (SDLC). Ability to produce high-quality technical documentation ...

frameworks like Spark. Data Engineering Knowledge:- Proven experience building ETL/ELT pipelines and using orchestration tools (Airflow, Azure Data Factory).- Understanding of JSON, XML, APIs, and data ingestion technologies. Cloud Experience:- Familiarity with cloud platforms (Azure, AWS, GCP) is a plus. Preferred Qualifications: Understanding of data governance ...

frameworks like Spark. Data Engineering Knowledge: - Proven experience building ETL/ELT pipelines and using orchestration tools (Airflow, Azure Data Factory). - Understanding of JSON, XML, APIs, and data ingestion technologies. Cloud Experience: - Familiarity with cloud platforms (Azure, AWS, GCP) is a plus. Preferred Qualifications: Understanding of data governance ...

processing frameworks like Spark.Data Engineering Knowledge:- Proven experience building ETL/ELT pipelines and using orchestration tools (Airflow, Azure Data Factory).- Understanding of JSON, XML, APIs, and data ingestion technologies.Cloud Experience:- Familiarity with cloud platforms (Azure, AWS, GCP) is a plus.Preferred Qualifications:Understanding of data governance and compliance.Experience with ...

with the ability to work effectively across technical and business teams.Nice to Have:Experience within financial services or fintech, particularly testing financial systems, XML, JSON, FIX, SFTP, or Swift messaging.Familiarity with MCP (Model Context Protocol) integrations and AI agent workflows.Experience testing event-driven architectures, including Azure Service Bus and Azure ...

Salesforce. Strong MuleSoft Anypoint Platform experience, including designing APIs, creating Mule flows, and managing MuleSoft runtime environments. Familiarity with REST/SOAP APIs, JSON, XML, and data transformation techniques. Experience with Salesforce integration patterns and best practices. Excellent problem-solving skills and attention to detail. Strong communication and teamwork skills. ...

C# and .NET (.NET Core/.NET) Excellent Object Oriented Programming (OOP) skills and design principles Proven experience designing and implementing APIs (REST/JSON) Solid understanding of application architecture, performance, and scalability Experience with SQL databases (e.g. SQL Server) Familiarity with unit testing, integration testing, and CI/ ...

.NET (including .NET Core). Exceptional Object-Oriented Programming (OOP) skills and architectural design principles. Proven track record in designing and implementing REST/JSON APIs. Solid SQL database experience (e.g., SQL Server). Strong grasp of application performance, scalability, unit/integration testing, and CI/CD pipelines. Essential ...

JavaScript (ES6+), Redux/Context API, HTML5, CSS3, REST/gRPC integration. Streaming & Messaging: Apache Kafka, Apache Flink. APIs & Protocols: RESTful web services, gRPC, JSON, Protocol Buffers. Core Computer Science: Strong mastery of data structures, algorithms, object-oriented design, and design patterns. DevOps & Tooling: CI/CD pipelines (Jenkins, GitLab ...

write complex queries, joins, aggregations, reconciliation queries, and validation scripts.Experience working with structured and semi-structured data formats including SQL tables, CSV, XML, JSON, and Parquet.Exposure to cloud-based data and analytics platforms such as Snowflake, Databricks, AWS, Azure, or Google Cloud.Familiarity with reporting and business intelligence tools such ...

optimization and complex problem-solving skills are required.Additional programming skills in C# or Java, experience defining manipulating, and managing configurations and systems based on JSON and XML models. Database skills across standard technologies such as SQL Server, Sybase, Snowflake or PostgreSQL. Cloud development, management and deployment with services such ...

building and maintaining automation frameworks from scratch Strong knowledge of UI and API automation best practices Experience testing REST APIs using Postman, Swagger and JSON/XML validation Experience across the full software testing lifecycle Knowledge of accessibility testing using tools such as WAVE, AXE DevTools and VoiceOver Experience with ...

Mule flows and managing Mule runtime environments. Experience integrating Salesforce with enterprise applications. Solid Java development skills. Strong understanding of REST and SOAP APIs, JSON, XML and data transformation. Experience implementing secure integration solutions using OAuth2, JWT, API gateways and encryption standards. Excellent analytical and problem-solving skills. Strong communication ...

JavaScript.Desirable SkillsAwareness of clean coding and SOLID principles.Exposure to AWS cloud services.Experience with JUnit or other testing tools.Basic knowledge of XML/JSON data formats and Unix shell scripting.Familiarity with version control and build tools like Git, Maven, Jenkins.Behavioural CompetenciesCollaborative team member eager to support team goals.Strong communicator with clear ...

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 ...

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 ...

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 ...

designing MCP-compatible tools, reusable skills, and modular agent capabilities. Familiarity with tool schema design and structured output validation using tools such as Pydantic, JSON Schema, or Zod. Experience with long-running autonomous agents that support retries, state persistence, error recovery, graceful termination, and multi-step workflow execution. Experience with ...

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 ...

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 ...