3 of 3 JSON Schema Jobs in the UK

testing REST APIs, GraphQL services, and microservice-based systems . Experience with API testing tools such as Postman or SuperTest and strong understanding of JSON schema validation . Hands-on experience with performance testing tools such as Apache JMeter, k6, or similar frameworks . Strong understanding of automation ...

Lead requirements, process mapping, and data analysis for AP/AR, tax, and reporting flows Build canonical data models and field-level mappings (JSON/XML, UBL, PEPPOL, country schemas) Define integration specs, transformation rules, validation logic, and error handling Support architecture on retries, idempotency, monitoring, and operational controls … Translate jurisdictional mandates into implementable technical requirements Drive pilots, cutover, hypercare, and compliance documentation Own test strategy, payload creation, schema validation, and UAT Produce runbooks, training, dashboards, and BAU handover materials What youll bring: Strong track record delivering e-invoicing/CTC solutions across multiple countries Hands-on experience ...

reporting Build event-driven workflows across email, Teams, APIs, and databases Architect Agent Systems Modular task decomposition Guardrails and validation layers Structured output validation (JSON schemas, rule checks) Logging, observability, fallback logic, and confidence scoring Secure credential and secrets management Governance & Scale Ensure explainability and traceability Design compliant automation ...