> Markdown version of [/jobs/ext/4266237-senior-software-development-engineer-in-test](https://www.wearedevelopers.com/jobs/ext/4266237-senior-software-development-engineer-in-test). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Development Engineer in Test - **Company:** Fmr LLC - **Location:** Boston, MA, United States (Remote available) - **Experience:** Expert - **Salary:** $80,000.0 - $153,000.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), JavaScript (Programming Language), Application Programming Interfaces (APIs), Application Lifecycle Management, Software Applications, JIRA, Automation of Tests, Unit Testing, Software as a Service, Cloud Computing, Computer Engineering, Continuous Integration, Monitoring of Systems, Apache JMeter, Junit, Regression Testing, Selenium, Software Engineering, System Testing, Test Data, Test Management, Datadog, Performance Testing, Git, Integration Tests, Information Technology, Playwright, Cucumber (Software), Splunk, Jasmine, SDET, Jenkins - **Published:** October 11, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=afd20155ab184c93 ## About the Role * 6+ years of experience in software test automation for application UIs, services/APIs, and data quality * Experience designing and implementing automated functional, regression, performance, and chaos tests * Experience with unit testing frameworks like JUnit, Jasmine/Karma, Jest * Proficient in test automation tools, including Cucumber, Selenium, Playwright * Experience developing and automating integration tests using Karate * Experience performing data quality testing and validation using ICEDQ * Experience with performance testing tools, including JMeter and WireMock/RushHour * Proficiency in test management using Xray * Proficiency with Git, Jenkins, and Jira for application lifecycle management * Experience with monitoring and observability tools, including Datadog and Splunk * Bachelor's degree in Computer Science, Computer Engineering, or a related technical field * Prior work in a startup or incubator environment, building products from the ground up is beneficial * Experience with accessibility testing and validation is a plus ## Description Are you interested in joining a dynamic, innovation-focused, and high impact team? Do you enjoy building new products and services in a collaborative, fast-paced environment? Join Fidelity Labs, our in-house new business incubator, as a Senior Cloud Engineers for an early-stage SaaS platform targeting the Charitable sector. In this role, you will be responsible for working within the development team in collaboration with product teams to build and scale a modern SaaS solution. The engineering team delivers next-generation software application enhancements and new products for a changing world. Working at the cutting edge, we design and develop software for platforms, applications and diagnostics - all with the most advanced technologies, tools, software engineering methodologies and the collaboration of internal and external partners., As a Software Development Engineer in Test, you will play a key role in the strategy for building quality into our new product. You will own and manage end-to-end testing strategy (manual and automated), tooling, test environments, test data, and more. Your role is critical in supporting a new, highly visible business opportunity. You will work closely with the Engineering and cross-functional teams, driving technical decisions and ensuring the delivery of scalable, maintainable solutions. * Build end-to-end test automation for applications * Create and manipulate test data for complex projects * Define automated regression tests for future and ongoing efforts * Document and report system testing issues using defect tracking tools * Integrate test automation with CI tools like Jenkins * Strong focus on automation, efficiency, and adherence to engineering best practices Learn quickly and adapt in a fast-paced environment *