3 of 3 Remote/Hybrid Contract JSON Jobs in the North of England

experience in Java & Spring Boot and/or similar languages (Go, Java Script). Expert experience with API First approach and API standards (REST, JSON, patterns & practices, RESTful API design). Expert experience with API technology (API gateways) and API security (authentication/authorisation/identity providers). Excellent communication ...

Product Owner role or equivalent, preferably within the financial domain. Strong experience in Java/J2EE, Web Services, SQL PL/SQL (Oracle), XML, JSON, and integration technologies (Mule ESB IDE or equivalent). Familiarity with SDLC (Waterfall/Agile) and operating in a highly Agile continuous integration and continuous ...

error handling → deployment → monitoring. Develop and publish APIs (REST/SOAP) with appropriate security (OAuth2, basic auth, certificates, IP restrictions). Implement data transformations (JSON/XML/CSV), mapping, validation, enrichment, and canonical models. Set up and manage Boomi runtime/Atoms (Atom, Molecule, Atom Cloud) and environments. Configure … integration patterns: synchronous vs async, pub/sub, idempotency, batching, pagination. API fundamentals: REST, SOAP, OpenAPI basics, webhooks, status codes, versioning. Data formats & transformation: JSON, XML, CSV; mapping and validation; basic XSLT helpful. Operational discipline: logging, monitoring, alerting, incident response. Environment & release practices: dev/test/prod separation, change ...