1 to 25 of 41 JSON Jobs in London

/deploying apps. Experience with working with and developing multiple (REST) APIs, documented with Open API/swagger etc is also desirable as is other API messaging formats e.g. JSON, XML, SOAP This full stack developer role is offering a starting salary up to 50K plus fantastic benefits which include a generous travel discount scheme, a cycle to work scheme More ❯

Agile cross-functional team. Skills and Experience * Strong proficiency in Swift and iOS SDKs, with a deep understanding of UIKit, SwiftUI, Combine, and Core frameworks. * Experience with RESTful APIs, JSON, and mobile architecture patterns (MVVM, Clean Architecture). * Familiarity with Xcode, GitHub, mobile CI/CD tools, automated testing frameworks and the app store deployment process. * Proven experience delivering high More ❯

agile delivery. Excellent problem-solving 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, Kanban). To Apply: Send More ❯

Delta Lake, Spark SQL, and best practices for Databricks development, optimization, and deployment. Program in SQL, Python, R, YAML, and JavaScript. Integrate data from multiple sources and formats (CSV, JSON, Parquet, Delta) for downstream analytics, dashboards, and reporting. Apply Azure Purview for governance and quality checks. Monitor pipelines, resolve issues, and enhance data quality processes. Work closely with engineers, data More ❯

engineering team. Partner with senior management, operational leads, and other stakeholders, coaching and supporting a data-driven culture, including KPI definition and reporting frameworks. Accountable for data extraction, transforming JSON & XML, utlising high experience within metadata management. Collaborate with data engineers to develop data, enrich product design and integrate data for predictive models or machine learning. Deliver well-defined, transformed More ❯

engineering team. Partner with senior management, operational leads, and other stakeholders, coaching and supporting a data-driven culture, including KPI definition and reporting frameworks. Accountable for data extraction, transforming JSON & XML, utlising high experience within metadata management. Collaborate with data engineers to develop data, enrich product design and integrate data for predictive models or machine learning. Deliver well-defined, transformed More ❯

Playwright using Javascript/Typescript. Create and maintain test scripts utilising WebDriver, Selenium, Gherkin, and Cucumber Performance testing using JMeter Write clear and concise test cases and scenarios using JSON data structures to validate application features. Conduct thorough testing of user interfaces, ensuring compliance with HTML and CSS standards. Collaborate with developers and product teams to define testing requirements and More ❯

typescript Thorough understanding of React.js and its core principles Experience with Redux and RTK (RTKQuery also a bonus) Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools (Github actions a bonus) Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Ability to More ❯

into scalable data solutions, ensuring alignment with governance and best practices. The position involves analysing data flows, embedding metadata management, and supporting both structured and semi-structured data, including JSON and XML. Proficiency with Sparx Enterprise Architect, Erwin, PowerDesigner, or Visual Paradigm is key, alongside familiarity with SQL, Python, and financial data standards such as FIBO, FIX, or FpML. Drawing More ❯

in equal measure Proven experience integrating security into agile environments Strong working knowledge of Azure PaaS and Azure DevOps (CI/CD) Familiarity with scripting languages like PowerShell, YAML, JSON Hands-on with application security tools and DevSecOps processes Understanding of frameworks and standards like OWASP, NIST SSDF, ISO27001, NCSC Experience with threat modelling, risk assessments, and secure design reviews More ❯

in equal measure Proven experience integrating security into agile environments Strong working knowledge of Azure PaaS and Azure DevOps (CI/CD) Familiarity with scripting languages like PowerShell, YAML, JSON Hands-on with application security tools and DevSecOps processes Understanding of frameworks and standards like OWASP, NIST SSDF, ISO27001, NCSC Experience with threat modelling, risk assessments, and secure design reviews More ❯

/Iceberg, Cassandra, Clickhouse, Kafka, etc.) and knowledge of their associated trade-offs. Experience with multiple data formats and serialization systems (e.g. Arrow, Parquet, Protobuf/gRPC, Avro, Thrift, JSON, etc.) Experience managing data pipeline orchestration systems (e.g. Kubernetes, Argo Workflows, Airflow, Prefect, Dagster, etc.) Proven experience in managing the operational aspects of large data pipelines such as backfilling datasets More ❯

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 and I will get in touch. More ❯

workflows and enhance operational performance. Required Skills & Qualifications Proficiency in Power Apps, Power Automate, and SharePoint, Strong command of Power Fx and formula-based logic. Familiarity with REST APIs, JSON, and custom connectors. Understanding of role-based security, environment management, and DLP policies. Excellent communication and problem-solving skills This role offers genuine opportunities for career development, ongoing training, and More ❯

applications or APIs Strong analytical and troubleshooting skills with a proactive, ownership-driven attitude Excellent communication and teamwork abilities Nice to Have Experience with Dynamics 365 CRM Knowledge of JSON, PowerShell, or automation tools like TeamCity Familiarity with financial or wealth management software If you’re interested in the role, then please apply More ❯

SQL and data warehousing knowledge Hands-on experience with metadata and data governance frameworks Excellent stakeholder management and communication skills Nice to have: Experience working with semi-structured data (JSON, XML, Parquet) Broader experience in data architecture or engineering Exposure to energy or financial services industries Apply below More ❯

Power BI, Looker, or equivalent Strong understanding of UX/UI principles and visual storytelling through data Working knowledge of creating data connections - e.g. SQL and relational databases, DataBricks, JSON files, API services, Data Lakes Meticulous attention to detail with a user-first mindset Excellent communication and collaboration skills across technical and non-technical teams Comfortable working in agile, cross More ❯

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 ❯

ideally within financial services or consulting Strong knowledge of relational and dimensional design (3NF, star, snowflake) Proficient in ERWin, Sparx, or similar tools Experience working with semi-structured data (JSON, XML, Parquet) Excellent communication and client-facing skills More ❯

years of Technical Account Management, Sales engineering or Support engineering experience in the B2B enterprise Software/SaaS/payments industry Good knowledge in HTTP, JavaScript, RESTful APIs, JSON, OAuth and SQL Strong customer focus with an ability to manage multiple priorities and perform in a fast-paced work environment Excellent written and verbal communication skills to effectively communicate and More ❯

work independently, take initiative, and deliver results in a fast-paced environment. Excellent stakeholder communication and workshop participation skills. Experience with relevant standards and technologies such as: -REST APIs, JSON, OpenAPI specifications -OBIE (Open Banking Implementation Entity) -Berlin Group Standards -ISO 20022 messaging formats Candidates will need to show evidence of the above in their CV in order to be More ❯

logs. Skills & Experience 3+ years hands-on experience with Adobe Experience Platform and Adobe Journey Optimizer. Strong understanding of marketing automation and customer journey orchestration. Proficiency with REST APIs, JSON, and data formats like Parquet. Familiarity with Adobe Experience Cloud tools (Target, Analytics, Campaign). Bonus: Scripting experience (JavaScript, Python) and CDP platforms (Segment, Tealium). If the role is More ❯

role. Understanding of RDBMS's and proficiency with SQL Experience of Sparx Systems Enterprise Architect, or other visual data modelling tools such as Erwin or ER Studio Understanding of JSON and/or XML essential What you'll get in return An exciting opportunity to join an international organisation working with a major financial services organisation. Furthermore, a competitive day More ❯

role. Understanding of RDBMS's and proficiency with SQL Experience of Sparx Systems Enterprise Architect, or other visual data modelling tools such as Erwin or ER Studio Understanding of JSON and/or XML essential What you'll get in return An exciting opportunity to join an international organisation working with a major financial services organisation. Furthermore, a competitive day More ❯

execution. Nice to Have: Zendesk certifications or advanced admin experience. Experience with telephony integrations (Zendesk Talk, Amazon Connect, Aircall, etc.). Scripting or API familiarity to support platform integrations (JSON, REST APIs). Experience with data analytics tools (Looker, Tableau, Power BI). More ❯