As a Senior Software Development Engineer in Test (SDET) at VIZIO’s SmartCast TV and Sound Bar Technologies team, you will be responsible for designing and implementing automated testing strategies for a backend-heavy, microservices-based architecture primarily built in TypeScript. Your day-to-day tasks include building and maintaining service-level tests, developing cross-service integration tests to validate APIs and workflows, and integrating these tests into CI/CD pipelines. You will collaborate closely with engineers to embed quality assurance practices throughout the development lifecycle, ensuring robustness and reliability across distributed systems. The ideal candidate has 4+ years of experience in automation-focused roles, proficiency in TypeScript/JavaScript and Node.js services, and familiarity with tools like Jest, Mocha, and Postman API testing. This role offers opportunities for growth into a broader engineering position as the team scales, focusing initially on building a scalable automation foundation before expanding to contribute directly to backend feature development and maintaining the automation ecosystem.
Skills
TypeScript
Node.js
Jest
Mocha
Playwright
Supertest
Pact
GitHub Actions
Docker
Kubernetes
Postman
Python
Go
C#
CI/CD
PostgreSQL
What you'll do
Design and implement automated testing strategies for a distributed microservices architecture.
Build and maintain service-level (unit + integration) automated tests for TypeScript/Node.js services.
Develop cross-service integration tests to validate APIs, contracts, and workflows.
Create and evolve reusable automation frameworks for backend and API testing.
Integrate tests into CI/CD pipelines to provide fast, reliable feedback.
Identify gaps in coverage and drive improvements in system reliability.
What we're looking for
4+ years of experience in automation-focused roles such as SDET or QA Automation Engineer.
Strong background in testing backend systems and microservices architectures.
Proficiency in TypeScript/JavaScript with hands-on experience in Node.js services.
Experience with API, integration, and contract testing tools like Pact.
Familiarity with CI/CD pipelines (GitHub Actions, Jenkins, GitLab CI).
Solid understanding of distributed systems including service dependencies and retries.
Market check
Salary context
This
$99,000–$198,000
range sits above
35%
of similar postings on FindRole.
Peer median band
$117,000–$212,000
Median floor and ceiling across peers.
Typical midpoint (25–75%)
$140,400–$178,828
Middle half of comparable postings.
Based on 240 comparable postings.*
* 240 is the maximum number of comparable postings sampled.
Employer
About Walmart
Walmart Inc. is the world''s largest retailer by revenue, operating a chain of hypermarkets, discount department stores, and grocery stores, as well as a growing e-commerce presence through Walmart.com. Industry: General Merchandise & Grocery Retail
Walmart currently has
495 open roles
on FindRole.
Listed pay typically runs
$117,000–$234,000
across 487 roles with salary data.