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US

  • Own end-to-end test automation for our Blazor WebAssembly front end, including UI and functional test suites.
  • Build and maintain API test coverage for our .NET Core back-end APIs and Azure Function apps.
  • Establish mobile test automation for our .NET MAUI mobile application across iOS and Android.

C# .NET Playwright API Testing

20 jobs similar to Software Development Engineer in Test (SDET)

Jobs ranked by similarity.

Global

  • Own automated testing across functional, smoke, regression, API, integration, and E2E layers to validate critical platform flows.
  • Validate REST APIs thoroughly, including payloads, error handling, and negative scenarios, to catch integration failures early.
  • Support CI/CD pipeline health by monitoring test execution, investigating failures, and eliminating flaky tests.

Infiterra enables IT distributors, MSPs, and telcos to succeed in the subscription economy by automating subscription workflows from quote to bill. A global leader in subscription commerce, the company offers innovation, performance excellence, and trusted expertise to help partners grow.

$48,000–$60,000/yr
US

  • Own testing for document products and AI-assisted tools, ensuring correctness, reliability, and edge case validation.
  • Write and maintain end-to-end tests, balancing manual and automated testing approaches.
  • Collaborate with cross-functional teams and partner with the Forward Deployed team to QA client portals.

Pasito is the AI workspace for employee benefits, rethinking group insurance and benefits underwriting, delivery, and management. Backed by Y Combinator and Core Innovation Capital, they are a fast-growing, collaborative team building accurate and scalable systems.

Global

  • Drive quality strategy and own the Playwright-based test automation framework for Web and Backend applications.
  • Design, develop, and execute automated test suites covering functional, regression, integration, and end-to-end scenarios.
  • Integrate tests into CI/CD pipelines, collaborate with cross-functional teams, and advocate for quality throughout the development lifecycle.

Software Mind develops solutions that make an impact for companies around the globe, working with tech giants and unicorns on transformative projects. Our culture embraces openness, acts with respect, shows grit and guts, and combines employment with enjoyment.

Global

  • Design and maintain scalable test automation frameworks for E2E, integration, and API testing.
  • Build automated quality infrastructure integrated into CI/CD pipelines for rapid software delivery.
  • Develop testing frameworks for AI/LLM-powered applications, including agentic workflows and RAG systems.

Truelogic is a leading provider of nearshore staff augmentation services headquartered in New York. With a team of over 600 skilled tech professionals based in Latin America, they deliver technology solutions to companies of all sizes, driving digital transformation.

North America

  • Own technical components of test frameworks and infrastructure.
  • Design and implement high-level architectural roadmap for test automation.
  • Collaborate on product design and provide technical mentorship.

Optro is the leading audit, risk, ESG, and InfoSec platform trusted by over 50% of the Fortune 500. We are one of the 500 fastest-growing tech companies in North America, fostering a culture of innovation and mutual support.

India

  • Define and elevate QA strategy across the software development lifecycle for a SaaS healthcare platform.
  • Perform manual testing, API validation, and data reconciliation while building automated test frameworks.
  • Collaborate closely with engineering, product, and customer-facing teams to ensure high-quality releases.

Jobgether is an AI-powered job matching platform that connects candidates with hiring companies. They focus on fair, fast, and objective candidate evaluation using AI, and they operate with a small, dynamic team oriented toward data privacy and transparency.

Mexico Colombia

  • Design, develop, and maintain automation frameworks for iOS, Android, and responsive web apps.
  • Execute functional, integration, regression, and exploratory testing, including API and mobile-specific validations.
  • Leverage AI tools to accelerate test design, automation, defect analysis, and documentation.

Goods & Services is a product design and engineering company that solves mission-critical challenges for large enterprises in highly regulated industries like life sciences and financial services. Headquartered in the US with regional centers in Mexico and the UK, they operate with a nearshore model to deliver at scale.

US Unlimited PTO

  • Define and execute quality strategy for an enterprise-grade software platform, including scalable test automation frameworks.
  • Perform manual and exploratory testing for complex features and integrate automated testing into CI/CD pipelines.
  • Mentor QA engineers, lead defect management, and produce quality reports to drive continuous improvement.

Jobgether uses AI-powered matching to connect candidates with hiring companies efficiently. They are a startup-focused platform emphasizing innovation, continuous learning, and technical excellence, with a collaborative remote culture.

US

  • Build and maintain automated test coverage across API and customer-facing applications.
  • Validate APIs and services, including REST and gRPC, using modern testing frameworks.
  • Leverage AI tools to improve quality engineering and embed testing into CI/CD pipelines.

Nylas provides APIs that make it easier for developers to add email, calendar, and contact management features into applications. Supporting over 100,000 developers and 900+ companies globally, we have a culture focused on quality and AI-native engineering.

$179,400–$224,250/yr
US Unlimited PTO

  • Design and build AI-augmented software testing tools integrated with engineers' day-to-day environments.
  • Build and maintain automated test infrastructure for mobile, web, and backend teams.
  • Define quality gates and monitor AI usage, performance, and cost across the organization.

Omada Health is a virtual-first healthcare and technology company that helps people make behavior changes to improve their health and lives. They have served over two million members and foster an inclusive culture focused on trust, context, boldness, results, and teamwork.

Latin America

  • Design, maintain, and improve automated testing frameworks for web, mobile, and API applications.
  • Develop and expand automated test coverage across browser, mobile, and backend systems within CI/CD pipelines.
  • Collaborate cross-functionally with Product, Engineering, and QA teams to define test strategies and improve product quality.

Truelogic is a leading provider of nearshore staff augmentation services headquartered in New York, delivering top-tier technology solutions to companies of all sizes. With a team of 600+ highly skilled tech professionals based in Latin America, they drive digital disruption by partnering with U.S. companies on impactful projects.

Europe

  • Design, write, and maintain robust automated E2E test suites for complex distributed systems.
  • Build production resilience tests to verify platform stability under stress and failure conditions.
  • Embed automated test suites into CI/CD pipelines for rapid developer feedback on every code change.

Actian is a data management platform company that helps enterprises harness the power of data. It is an innovative, fast-growing company with a passionate and diverse team focused on making a significant impact.

Europe

  • Design, implement, and maintain automated test frameworks for web-based SaaS products.
  • Execute functional, integration, and regression testing while collaborating with developers and product specialists.
  • Mentor junior SDET team members and advocate for quality best practices across the engineering organization.

Caseware is a FinTech company that provides audit and accounting software solutions. With over 500,000 users in 130 countries and more than 30 years in the industry, the company has a collaborative and inclusive culture focused on innovation.

Canada

  • Own QA strategy and execution across web, API, and mobile platforms with an AI-first approach.
  • Build and mentor QA engineers, fostering a culture of quality ownership and continuous improvement.
  • Integrate automation into CI/CD pipelines and drive release validation for weekly deployment cadence.

Backcountry is an outdoor retailer rooted in adventure, recognition, and wellbeing. The company has a culture that celebrates employee stories and milestones, offering exclusive outdoor perks across HQ, retail stores, and remote teams.

China

  • Build and maintain automated test suites for API and web-based systems.
  • Design test coverage for end-to-end insurance workflows including quotes, policy issuance, endorsements, claims and payments.
  • Improve regression testing coverage to reduce production defects.

Bjaks builds AI-powered workflow systems that automate end-to-end insurance operations. The company works with a global engineering team across multiple countries, emphasizing reliability, automation, and a high-ownership culture.

US

  • Build Blazor WASM components with clean, reusable patterns and accessibility in mind.
  • Implement Minimal API endpoints in .NET with OpenAPI, validation, and performance focus.
  • Contribute to MAUI mobile app development with shared component libraries.

Tuesday Health is a value-based palliative care provider group transforming serious illness and end-of-life care through goal-centered support. The company is a growing organization with a dynamic, inclusive team environment focused on meaningful work and collaboration.

$130,000–$180,000/yr
US

  • Build and maintain the end-to-end test automation framework using Playwright across UI, API, and integration layers.
  • Author release validation documentation to support 21 CFR Part 11 and GxP compliance.
  • Partner with engineers to shift quality left, writing tests alongside features and surfacing risk early.

Care Access brings clinical research and health services directly to communities worldwide through hundreds of locations and mobile clinics. They are dedicated to making health accessible for all, with a global team and a culture focused on people and medical progress.

$33,000–$40,920/yr
Lithuania

  • Ensure the quality and reliability of software products through both manual and automated testing.
  • Design, implement, and maintain effective test plans and test cases.
  • Automate repeatable scenarios using the Cucumber test automation framework.

Ontrac Solutions is a global leader in risk management software, providing Governance, Risk, and Compliance (GRC) solutions combined with Ethics & Compliance Learning resources. They offer a remote-first work environment with a supportive culture.

India

  • Design and drive the test automation strategy for web portals and backend microservices to ensure high-quality releases in a complex microservices environment.
  • Develop and maintain robust test automation frameworks using Playwright, Selenium, and Java/JavaScript, including API and service-level testing for REST and event-driven architectures.
  • Collaborate with cross-functional teams, mentor other engineers, and integrate AI-powered tools to accelerate test authoring and improve quality engineering workflows.

Jumio is a B2B technology company dedicated to eradicating online identity fraud, money laundering, and other financial crimes using AI, biometrics, and automation. With a global footprint, Jumio is expanding its team to meet strong client demand across industries like Financial Services, Travel, and Fintech, fostering a culture of integrity, diversity, and innovation.

US

  • Own the client automation strategy and execution for the project.
  • Act as product owner for the automation scrum team, managing backlogs and stakeholder alignment.
  • Perform hands-on engineering work including Unreal Blueprint automation and infrastructure.

Sony Interactive Entertainment develops game consoles and video games. The team is cross-discipline and focused on creating a new franchise with a fun and dedicated culture.