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Senior Software Development Engineer in Test (SDET)- Contract Opportunity

BorderlessMind
Remote Contract Worldwide Software Development
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Description

Senior Software Development Engineer in Test (SDET)

Location: Remote

Experience: 5+ Years

About the Role

We are looking for a Senior Software Development Engineer in Test (SDET) to lead automation initiatives across modern web applications and distributed systems. This is a hands-on engineering role where you will design scalable automation frameworks, develop production-grade automation code, and integrate quality engineering practices into CI/CD pipelines. You will collaborate closely with developers, product managers, architects, and DevOps teams to deliver high-quality software through robust automation and continuous testing.

The ideal candidate has extensive experience with Playwright-based UI automation, API test automation, and automation framework architecture, along with a passion for building reliable, maintainable, and scalable test solutions.

Key Responsibilities

UI Automation

  • Design, develop, and maintain scalable end-to-end automation frameworks using Playwright and TypeScript.
  • Build maintainable automation using Page Object Model (POM) and component-based design patterns.
  • Optimize browser context management, parallel execution, and test concurrency for efficient CI execution.
  • Develop stable automation by implementing resilient selectors and intelligent synchronization strategies.
  • Implement visual regression testing where applicable.

API Automation

  • Design and maintain API automation frameworks for REST, GraphQL, and SOAP services using Python and pytest.
  • Develop reusable fixtures, API clients, and parameterized test suites.
  • Build GraphQL schema validation and operation-level assertion libraries.
  • Create API performance and SLA validation checks.
  • Maintain Postman and Newman collections for API smoke and contract testing.

CI/CD & Automation

  • Integrate automated tests into Jenkins and GitHub Actions pipelines.
  • Design automated quality gates supporting smoke, sanity, functional, and regression testing.
  • Build fail-fast deployment validation and post-deployment verification pipelines.
  • Monitor automation execution, maintain reporting dashboards, and improve pipeline reliability.
  • Identify and eliminate flaky tests through continuous framework improvements.

Mocking & Service Virtualization

  • Design and maintain WireMock stubs for dependent service simulation.
  • Support consumer-driven contract testing.
  • Maintain mock services aligned with evolving API contracts.
  • Enable local development through mock-first testing strategies.

Automation Architecture

  • Establish automation coding standards, framework architecture, and best practices.
  • Develop reusable utilities, fixtures, data builders, and shared automation libraries.
  • Review automation code and mentor engineers on automation design principles.
  • Evaluate emerging automation technologies and recommend improvements where appropriate.

Collaboration & Leadership

  • Mentor junior and mid-level automation engineers through code reviews and technical guidance.
  • Partner with development teams to improve application testability during design.
  • Work closely with DevOps teams to optimize automation infrastructure and execution environments.
  • Maintain traceability between requirements, user stories, and automated tests using Jira.
  • Present automation metrics, test coverage, and quality reports to engineering stakeholders.

Required Qualifications

Experience

  • 5+ years of experience in Software Quality Engineering, Test Automation, or SDET roles.

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