1 to 25 of 108 Permanent 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 ...

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 ...

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 ...

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 ...

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 architectureDemonstrated ability to produce ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...