Senior Software Development Engineer in Test

Greenlight

full-time

Posted on: 9/22/2025

Origin: • 🇺🇸 United States • California, Colorado, New York, Washington

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💰 $140,000 - $175,000 per year

Senior

AWSCypressDynamoDBGraphQLGRPCJavaJavaScriptJestKotlinMicroservicesMySQLReactRedisReduxSwiftTypeScript

About the role

Build and maintain automated tests at the integration and end-to-end level for web and API
Work closely with developers to understand feature complexities and design robust automated tests supporting in-sprint development
Contribute to and improve automation frameworks to ensure testing approach scales with the product
Integrate API tests into CI/CD pipelines and write Github Actions to run tests as part of development pipelines
Ensure test suites run efficiently across multiple environments
Determine team needs and gaps in existing automation tooling and proactively address quality gaps
Own testing metrics with the Engineering Manager to identify gaps and report team-level quality
Partner with Product and Quality Engineers to translate user stories and requirements into automated test cases

5+ years of hands-on experience in Software Development Engineer in Test (SDET) roles
Proven experience as a full-stack test engineer or developer tools engineer
Strong expertise in at least 1 programming language: Javascript/Typescript, Kotlin, or Swift
Experience coding in multiple languages (Java, Javascript, Kotlin, Swift) to support test coverage
Understanding of microservices architecture and how to test them
A strong understanding of the testing pyramid and its levels
Ability to contribute to CI scripting work in Github Actions or similar CI provider
Experience integrating API tests into CI/CD pipelines
Drive to improve quality and take ownership of feature team outcomes through a data driven lens
Proactive, resourceful, demonstrates grit and a positive "can do" attitude
Demonstrated follow-through; delivering on commitments with minimal oversight
High aptitude for picking up new technologies, processes, and different ways of working
Analytical and pragmatic
Familiarity with testing tools and platforms: Cypress.io, EspressoUI, XCUITest, Jest, JUnit5, k6.io, Postman
Familiarity with frontend and backend tech: React, Redux, Swift, Kotlin, REST, gRPC, GraphQL, AWS, MySQL, DynamoDB, Redis
Bonus: Experience with gRPC
Bonus: Experience with GraphQL