Senior Test Engineer – E-commerce Platform

Sigma Software Group

Senior Test Engineer at Sigma Software shaping the quality of a social shopping platform. Collaborating with teams on e-commerce and social networking for millions of users.

Posted 4/30/2026full-timeRemote • 🇵🇱 PolandSeniorWebsite

Tech Stack

Tools & technologies

AndroidiOSSQLSwitching

About the role

Key responsibilities & impact

Work as part of the product development team, collaborating closely with customer-side developers
Follow and support the Quality Assistance process
Plan and estimate testing activities
Create and maintain test documentation
Design and execute manual, snapshot, and UI tests for new features
Perform Functional, Regression, and Compatibility testing across Web and Mobile platforms
Conduct release validation, smoke testing, and post-deployment quality checks
Provide clear and regular status and progress reports
Collaborate with product owners, business analysts, and development teams to ensure product quality
Identify, document, and communicate risks and issues constructively

Requirements

What you’ll need

4,5+ years of QA experience with end-to-end ownership of testing processes
Strong exploratory testing skills beyond scripted test cases
Experience testing mobile apps (iOS and Android), including release processes
Ability to work autonomously across multiple cross-functional teams
Familiarity with agile workflows, feature flags, and staged rollouts
Strong requirements analysis skills, able to clarify edge/corner scenarios
Comfortable with context switching and supporting multiple teams in parallel
SQL — ability to write moderately complex queries
API Testing — hands-on experience with REST APIs using tools like Postman
Solid understanding of HTML, CSS, cookies, caching, browser behavior
Experience deploying builds via Android Studio, Xcode, or similar tools
Git — practical experience with branches, commits, code reviews, pull/merge requests
Upper-Intermediate+ English proficiency.

Benefits

Comp & perks

access to diverse projects
supportive colleagues
culture that rewards initiative and expertise

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

QA experienceexploratory testingmobile app testingagile workflowsrequirements analysisSQLAPI TestingHTMLCSSGit

Soft Skills

collaborationcommunicationautonomycontext switchingrisk identificationproblem-solvingstatus reportingteam supportconstructive feedbackcross-functional teamwork