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Zip Co

Senior Software Engineer – Test

Zip Co

. Own end-to-end quality verification and validation for complex systems from design through production .

Posted 11/3/2026full-timeRemote • United StatesSenior💰 $146,000 - $157,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive experience in quality engineering with a focus on verification and validation for complex systems. Proficient in building and maintaining automation frameworks while leveraging AI-assisted tools to enhance testing efficiency and quality standards.

Highest-signal resume keywords
Quality Engineering ExperienceAutomation Framework DevelopmentAI-Assisted Testing ToolsTest Strategy DesignMentoring and Team Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Quality Assurance AutomationSDETUnit TestingIntegration TestingE2E TestingRegression TestingTypeScriptJavaScriptDebuggingPerformance Testing
Soft Skills
Problem-SolvingCollaborationMentoringCommunicationAttention to Detail
Tools & Technologies
BrowserStackPlaywrightCypressSeleniumAppiumCI/CD IntegrationTest PipelinesMockingStubbingTest Data Management
Industry Keywords
FintechHigh-Scale EnvironmentsQuality StandardsRisk IdentificationEmerging AI Capabilities

Tech Stack

Tools & technologies
CypressJavaScriptMicroservicesSeleniumTypeScript

About the role

Key responsibilities & impact
  • Own end-to-end quality verification and validation for complex systems from design through production
  • Help evolve verification and validation standards as the engineering model matures
  • Partner with engineers, designers, product managers, and stakeholders to build quality into products
  • Apply verification and validation across testing activities
  • Design and execute comprehensive test strategies focused on edge cases, failure modes, and real-world scenarios
  • Build and maintain scalable backend/API and frontend/UI automation frameworks
  • Identify gaps in test coverage and system behavior
  • Drive root cause analysis and defect- and incident-prevention strategies
  • Use AI-assisted tools to improve test design, debugging, and technical problem-solving
  • Apply verification and validation rigor to AI- and agent-produced work
  • Explore AI capabilities to improve quality engineering workflows and release confidence
  • Improve test efficiency, reliability, and execution speed
  • Mentor team members and elevate quality standards across the team

Requirements

What you’ll need
  • 8+ years of experience in quality engineering, QA automation, or SDET roles
  • Proven track record of owning quality for complex, production systems
  • Strong ability to identify edge cases, failure scenarios, and subtle bugs
  • Deep understanding of unit, integration, E2E, contract, and regression testing strategies
  • Strong programming skills, preferably TypeScript, JavaScript, or similar
  • Experience building backend/API and frontend/UI automation frameworks
  • Experience with BrowserStack, Playwright, Cypress, Selenium, or Appium
  • Experience with CI/CD integration and test pipelines
  • Familiarity with mocking, stubbing, and test data management
  • Strong debugging and problem-solving skills
  • Ability to understand system architecture and identify risk areas
  • Experience leveraging AI-assisted development tools across testing, debugging, and technical problem-solving
  • Ability to evaluate and apply emerging AI capabilities while ensuring quality, security, and maintainability
  • Experience mentoring other engineers and raising quality standards
  • Experience with performance testing, BDD frameworks, or microservices architectures is a plus
  • Experience working in high-scale or fintech environments is a plus
  • Alignment with Zip values: Customer First, Own It, Stronger Together, and Change the Game
  • Visa sponsorship is not available for this position

Benefits

Comp & perks
  • Flexible working culture
  • Incentive programs
  • Unlimited PTO
  • Generous paid parental leave
  • Leading family support policies
  • Company-sponsored 401k match
  • Learning and wellness subscription stipend
  • Beautiful Union Square office with a casual dress code
  • Industry-leading, employer-sponsored insurance for you and your dependents, with several 100% Zip-covered choices available
  • Potential bonus and/or commission awards
  • Equal-opportunity and accessible, inclusive recruitment processes