2 of 2 JSON Jobs in Northampton

seeking an experienced QA/Validation Engineer with strong hands‐on expertise in manual and automation testing, REST API validation, JSON schema validation, and Python‐based simulation. The role focuses on validating end‐to‐end workflows across credit cards, loans, and lending platforms, ensuring accuracy of decisioning logic, API behaviour … work independently with full ownership and accountability. Key Responsibilities Perform manual and automated testing of REST APIs, decisioning components, and integration workflows. Conduct JSON schema validation , payload structure checks, and API contract verification. Review and validate API documentation using Swagger/OpenAPI specifications. Develop Python scripts for simulation, automation ...

initially £400 per day inside IR35 - umbrella only Key Responsibilities Perform manual and automated testing of REST APIs, decisioning components, and integration workflows. Conduct JSON schema validation, payload structure checks, and API contract verification. Review and validate API documentation using Swagger/OpenAPI specifications. Develop Python scripts for simulation, automation … ensure high?quality deliverables. Participate in Agile ceremonies and support performance/monitoring activities where required. Core Skills Testing: Manual, REST API, Automation Technologies: JSON, JSON Schema, Swagger/OpenAPI Tools: Python, Karate, Excel, LoadRunner, Insomnia/Bruno CI/CD: GitLab, Jenkins Monitoring: Kibana, AppDynamics Concepts: SDLC, TDD, OAuth ...