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API Test Architect

IT Technical Jobs London, England, United Kingdom

onsitecontract
Posted Feb 9, 2026Apply by Mar 11, 2026

Role & seniority

  • Mid-Senior level Contract role

  • Quality Assurance / Technical Architect focus in API Automation Testing

Stack/tools

API: Rest Assured, Postman

CI/CD: Jenkins, Maven, GitHub (or similar)

Frameworks: BDD (Cucumber/SpecFlow), automated regression testing

  • Database validation and data integrity testing

  • Reporting: dashboards, Allure/Extent Reports (nice-to-have)

Top 3 responsibilities

  • Design, architecture, and development of scalable API automation frameworks; establish reusable standards and test strategy

  • Integrate API automation into CI/CD pipelines; support shift-left testing and continuous testing in release processes

  • Lead end-to-end automation across multiple apps/services; conduct POCs/feasibility assessments; define best-fit automation solutions

Must-have skills

  • 8+ years API automation testing experience

  • Hands-on expertise with Rest Assured and Postman

  • Experience designing/developing API automation frameworks

  • Strong CI/CD experience (Jenkins, Maven, GitHub)

  • End-to-end automation management, including POCs/feasibility checks

  • Database testing & backend validation

  • BDD frameworks (Cucumber and/or SpecFlow)

  • Defect tracking, automated regression testing

  • Excellent communication and stakeholder management

  • Oil & Gas domain expertise (mandatory)

Nice-to-have

  • Microservices/contract testing exposure

  • Test reporting tools (Allure, Extent Reports)

  • Performance or security testing for APIs

  • Cloud-based CI/CD familiarity

Loca

Full Description

Role Summary

  • We are looking for an experienced Technical Architect with strong expertise in API Automation Testing and Quality Engineering to lead the design and implementation of scalable automation frameworks and end-to-end testing strategies.
  • This role requires hands-on capability in Rest Assured, Postman, and modern automation practices, along with the ability to architect automation solutions integrated into CI/CD pipelines. The ideal candidate will have strong Oil & Gas domain understanding and be able to drive quality across the full SDLC while collaborating closely with development, DevOps, and business stakeholders.
  • Key Responsibilities
  • API Automation Architecture & Framework Development
  • Architect, design, and develop robust API automation frameworks using tools such as Rest Assured and Postman.
  • Define reusable automation standards, coding practices, and test strategy to support scalable API testing.
  • Ensure automation frameworks support maintainability, extensibility, and high execution performance.
  • CI/CD Integration & Continuous Testing
  • Integrate API automation suites into CI/CD pipelines using tools such as Jenkins, Maven, and GitHub.
  • Enable continuous testing aligned with software build and release processes.
  • Support shift-left testing practices to detect defects early in the development lifecycle.
  • End-to-End Automation, POC & Feasibility
  • Lead and manage end-to-end (E2E) automation strategy across multiple applications/services.
  • Conduct proof of concepts (POCs) and feasibility assessments for new tools, frameworks, and automation approaches.
  • Recommend best-fit solutions aligned with project needs and enterprise standards.
  • Quality Engineering & Defect Management
  • Validate API endpoints to ensure correct request/response behavior, reliability, and data accuracy.
  • Identify, log, document, and track defects through resolution using standard defect lifecycle practices.
  • Perform automated regression testing to confirm fixes and prevent reoccurrence.
  • Reporting, Dashboards & Test Visibility
  • Generate test execution reports and dashboards for automation coverage, pass/fail trends, defect leakage, and overall quality metrics.
  • Provide meaningful insights to stakeholders to support release readiness and decision-making.
  • Database & Data Validation Testing
  • Perform database validation to ensure API integrations correctly persist and retrieve data.
  • Validate data accuracy, completeness, and consistency across systems.
  • BDD & Test Design
  • Develop and maintain BDD-based automation using frameworks such as Cucumber and/or SpecFlow.
  • Translate business requirements into test scenarios that are clear, reusable, and aligned with Oil & Gas workflows.
  • Collaboration & Communication
  • Collaborate with development teams, architects, and product stakeholders to ensure quality throughout the SDLC.
  • Provide strong communication and articulation across technical and non-technical teams.
  • Promote automation best practices and mentor team members where needed.
  • Must-Have Skills & Experience
  • 8+ years of experience in API Automation Testing.

Strong hands-on expertise with

  • Rest Assured
  • Postman
  • Experience designing and developing automation frameworks for APIs.

Strong understanding of CI/CD integration

  • Jenkins
  • Maven
  • GitHub (or similar version control tools)
  • Experience managing end-to-end automation, including POCs and feasibility checks.
  • Strong understanding of database testing and backend validation.
  • Experience with BDD frameworks such as Cucumber and/or SpecFlow.
  • Strong defect tracking and regression testing experience.
  • Excellent communication and stakeholder management skills.
  • Oil & Gas domain expertise is mandatory.
  • Nice-to-Have Skills
  • Exposure to microservices testing and contract testing approaches.
  • Experience with test reporting tools (Allure, Extent Reports, or custom dashboards).
  • Experience with performance or security testing for APIs.
  • Familiarity with cloud-based CI/CD practices.
  • Key Competencies
  • Strong technical leadership and architectural thinking.
  • Problem-solving and analytical mindset.
  • Ability to influence quality practices across teams.
  • Ownership-driven approach and ability to work independently.
  • Strong documentation and reporting capability.

Seniority level Mid-Senior level Employment type Contract Job function Quality Assurance Industries IT Services and IT Consulting

multi-location

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