26 to 43 of 43 JSON Jobs in the City of London

latency budgets.Experience with high-throughput trade/market-data processing at scale.Cloud platform experience (AWS or equivalent); containerisation and orchestration.Relational data and canonical/JSON data contract design.Design-system principles and component-library development.Role Band & Level: Manager, 7#LI-Hybrid #LI-DIRNot The Perfect Fit Concerned that you may not meet ...

REST APIs, database connections, file transfers, event-driven processes, batch integrations, and workflow callbacks. Define common data-exchange standards using formats such as JSON, XML, XSD, CSV, and Parquet. Design governed ingestion patterns for broker marks, exchange prices, market reports, Last Deal Done values, position data, exposure data, and internal … WebApps Dataiku Scenarios, Plugins, APIs, and Automation Python and SQL PostgreSQL and Amazon RDS Power Automate Power BI REST API and enterprise integration architecture JSON, XML, XSD, CSV, and Parquet OCR and unstructured-document processing Data modeling and metadata management IAM, role-based security, and secrets management Git, CI/ ...

requirements scoping UAT and end-to-end technical testing Test case design and tools such as Jira and Postman HTTP/HTTPS, APIs and JSON/XML E-commerce integrations, Android applications, UX/UI and customer journeys Managing external developers, technology partners or vendors Producing clear, high-quality product ...

product requirements into detailed user stories and acceptance criteria. Solid understanding of systems architecture, integrations, APIs and data flows. Experience working with REST APIs, JSON and tools such as Postman. Working knowledge of SQL for data analysis, investigation and validation. Experience mapping business processes and assessing downstream impacts. Excellent stakeholder ...

product requirements into detailed user stories and acceptance criteria. Solid understanding of systems architecture, integrations, APIs and data flows. Experience working with REST APIs, JSON and tools such as Postman. Working knowledge of SQL for data analysis, investigation and validation. Experience mapping business processes and assessing downstream impacts. Excellent stakeholder ...

data flows, authentication, cloud environments and troubleshooting. Experience leading customer-facing technical workstreams from discovery through to production deployment. Strong understanding of REST APIs, JSON and common enterprise integration approaches. Experience working with authentication and security technologies such as OAuth, SSO or similar. Ability to understand customer technology landscapes ...

product payoffs and code in PHP fully to build mapping logic to translate banks’ input in XMLs into the risk‐engine’s input in JSON strings. Communicate with Tier 1 bank clients and internal service desks, performing Monte‐Carlo simulations to provide risk analysis, finding efficient and effective solutions ...

support, engineering, or integration environment; experience with APIs, connected devices, or software integrations is a plus. A basic understanding of REST APIs, HTTP, and JSON; familiarity with API testing tools like Postman. WebSockets and OAuth2 experience is a bonus. Knowledge of OCPP is advantageous but not required. Experience ...

network automation, delivering robust CI/CD pipelines for Cisco data centers. The role requires deep Cisco NX-OS expertise, IaC, Python, YAML/JSON, Ansible, and strong governance in regulated FCA/PRA environments. You will implement GitOps, automate changes, and collaborate across platforms like NDFC, NetBox, #J ...

have 5+ years’ BA/Systems Analysis/PO experience, with strong technical analysis experience. You should be comfortable with REST APIs, JSON, data schemas and SQL (no coding required). Experience across subscriptions, membership, payments, health/fitness, retail or other complex multi-system environments would be particularly relevant. ...

content library asset slots promotions campaigns site preferences catalogues and product management. Develop responsive and user-friendly frontend components leveraging ISML templates JavaScript AJAX JSON SCSS and Bootstrap Collaborate with cross functional teams to translate business requirements into technical specifications and scalable solutions. Ensure adherence to coding standards quality gates ...

application testing and confirm expected outcomes across features Integrate automated tests into CI/CD pipelines to improve test speed and consistency Work with JSON, Git, and SQL to support testing and verification needs (Nice to have) Gain exposure to IBM Maximo environments and validate Maximo business processes What … bring: Strong experience in UI test automation with Playwright Hands-on capability with API testing and test data/validation using JSON Confidence coding in TypeScript/JavaScript Practical working knowledge of SQL and using Git in a collaborative workflow Experience designing and maintaining scalable automation frameworks A mindset focused ...

dashboards across HR Analytics. Lead the development of visually compelling, intuitive and secure dashboard outputs that support senior stakeholder decision-making. Apply advanced DAX, JSON, dashboard design and data storytelling techniques. Design and maintain advanced RLS and role-based permission models. Develop reusable Power BI components, measures, themes and visual … issue resolution. Operational Support & Continuous Improvement Enhance existing MI products and dashboards. Drive automation, standardisation and reporting improvements. Adopt emerging Power BI, DAX, JSON and AI best practices. Skills you'll bring Advanced Power BI dashboard development experience, with strong visual design, UX and data storytelling capability. Advanced DAX skills ...

Solid understanding of functional programming concepts and idiomatic Scala (e.g., immutability, monads, cats/Scalaz familiarity advantageous). Experience designing and consuming REST APIs, JSON validation/serialization (Play JSON, Circe). Experience with relational databases (PostgreSQL) and/or NoSQL (MongoDB), including schema design and query optimisation. Proven experience ...

skills who can independently investigate discrepancies between expected and actual credit decision outcomes while ensuring the integrity of credit risk strategies. Key Responsibilities: Review JSON payloads and credit decision outputs to ensure accuracy and completeness. Validate decisioning outputs against expected credit risk strategy behaviour. Assess end‐to‐end credit decision … Strong hands‐on experience with SAS . Advanced proficiency in Microsoft Excel . Experience working with Credit Risk Decision Systems . Ability to analyse JSON payloads and decision outputs. Experience building and using decision emulators for validation. Good understanding of data validation, business rules, and system integration. Domain Knowledge Strong ...

across multiple component teams for a commercial insurance program. The ideal candidate will have strong experience in integration testing , API/web service testing (JSON/SOAP) , and excellent stakeholder management skills. A solid understanding of commercial insurance concepts is essential, and experience with Selenium automation will be considered … develop, and execute functional , regression , and integration test suites. Ensure defects are logged, tracked, triaged, and resolved efficiently. Validate APIs and message formats using JSON and SOAP , leveraging SoapUI or equivalent tools. Collaborate closely with product owners , architects , developers , and operations teams to identify and resolve system-level issues ...

Jas Gujral in City London is seeking a Full Stack Software Developer with 3–5 years of experience to join a data-driven analytics platform project. You will contribute to building a SAAS product from ...

Vacancy for Research Projects Data Analyst at The National Archives (UK) 29 July 2025 London, England Fixed Term Are you passionate about data and making a difference in the public sector? The National Archives is ...