Ruby Rails Developer Jobs in Boston, MA (NOW HIRING)

The Senior SDET will review functional requirements, user stories and test assets from internal stakeholders; build automated test cases, contribute to our test pipelines, and support the maintenance of the test assets as we deliver our releases to our growing client base.

• Apply expertise in specific product areas to ensure that the product suite meets documented acceptance criteria and client quality expectations
• Contribute to the expansion of our automated testing capabilities and coverage
• Explore and implement AI-assisted testing strategies to enable, enhance, and augment QE team workflows and processes through skill development and agentic workflows
• Evaluate and champion AI/ML tooling (e.g. test generation, defect prediction, intelligent test selection) to improve team velocity and quality coverage
• Instill QA best practices on your scrum team by collaborating on test coverage
• Ability to write tests from abstract requirements
• Provide feedback on product performance and user experience
• Participate in all aspects of the Agile SDLC; providing constructive feedback during grooming, retrospectives, and planning sessions
• Configure and verify continuous build plans in Jenkins and SonarQube to ensure quality of code changes
• Contribute to the review of product documentation/release notes

• 7+ years of Software Quality Assurance experience, ideally with a focus in Financial Technology or related domain
• Experience working in a successful Agile environment using Agile SDLC tools such as Jira, Bitbucket, and Jenkins
• Foundational understanding of Git and GitHub, including pull requests, branching strategies, and code review workflows
• Experience with GitHub Actions for CI/CD pipeline automation and test workflow orchestration
• Coded UI Automation experience with Selenium WebDriver; Python and Pytest required
• Working knowledge of a scripting language; Groovy and Ruby on Rails a plus
• Experience with web service and API testing (Postman or equivalent)
• Performance testing experience; JMeter or Locust.io a plus
• SQL experience (MSSQL, Postgres)
• Experience with containerized environments and deployment tooling (Docker, Gradle)
• Familiarity with AI-assisted development and testing tools (e.g. Claude Code, AI-driven test generation, or LLM-based QA tooling)
• Demonstrated ability to operate on a small team in a fast-paced environment with the ability to change directions as priorities shift
• Positive attitude with a strong desire to learn, grow professionally, and have a positive impact on the company, its culture, and its products

• Familiarity with code quality and static analysis tools such as SonarQube
• Experience with monitoring and observability tooling, including APM, log collection/analysis, InfluxDB, and Grafana
• Understanding of the deployment and maintenance of an N-Tier application in either manual or automated fashion
• Familiarity with testing in Spring frameworks
• Integration testing: inbound file processing, outbound file creation, API testing, configuration testing
• Experience with Financial technologies such as FIX, IDC, Reuters, Morningstar, or Bloomberg
• Ability to troubleshoot, diagnose, resolve, and explain system-level issues affecting the application
• Ability to work across teams and disciplines to find equitable solutions to problems that arise
• Experience applying AI/ML techniques to quality engineering challenges such as flaky test detection, risk-based test prioritization, or automated root cause analysis

BS degree in Finance, Computer Science, or equivalent work experience. MSCS is a plus.

Vestmark is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Vestmark prohibits employment discrimination on the basis of race, color, religion, gender identity, sex, sexual orientation, pregnancy, national origin, age, disability status, protected military or veteran status, and genetic information. It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. #LI-TG1 #LI-Hybrid

Vestmark takes a market-based approach to compensation to ensure we pay fairly and competitively. Compensation for this role depends on several factors such as skills, experience, qualifications, job scope and location.

In addition to base salary, Vestmark offers a comprehensive total rewards package, which includes, company-paid medical premiums of 90%, a competitive time-off program, and other variable compensation, if eligible.

$110,000 — $140,000 USD