About the Position

A great QA engineer is one of the most valuable people on any delivery team - and at Kainjoo, you’ll prove that. You’ll be the last line of defence before things go live, and the person who keeps quality standards high across every project. You’ll work across SaaS platforms, dashboards, and web builds, and you’ll bring structure and rigour to every release.

Responsibilities

Write and execute test plans covering functional, regression, and edge case scenarios
Validate complex business logic against written specifications
Perform cross-browser and cross-device testing
Test responsive design and various network conditions
Conduct basic performance and load testing to validate behaviour under expected traffic
Apply security testing awareness (OWASP Top 10) during test cycles
Document bugs clearly with reproduction steps, screenshots, and priority levels
Collaborate with developers during the fix cycle and retest resolved issues
Participate in UAT sessions with clients and triage feedback
Sign off on pre-production and production deployments

Requirements

Personality

You’re methodical and detail-oriented - you find the bugs others miss
You’re not satisfied with “it works on my machine”
You communicate bug reports clearly and without drama
You work well with developers - you’re a collaborator, not an adversary
You take go-live sign-offs seriously

Experience

2+ years of QA experience on web applications
Strong ability to read specifications and translate them into test cases
Experience with manual testing across browsers and devices
Clear, precise bug reporting skills
Understanding of REST APIs and ability to test via tools like Postman
Basic familiarity with performance testing tools (k6, JMeter, or similar)
Awareness of common web security vulnerabilities (OWASP Top 10)

Nice to Have

Experience writing automated tests (Playwright, Cypress, or similar)
Familiarity with accessibility testing (WCAG)
Experience testing real-time features (WebSockets, live data)
Background in testing both API-driven and CMS-based applications

Education

Bachelor’s degree in Computer Science, IT, or equivalent practical experience
ISTQB or equivalent QA certification is a plus
Fluent in English; French is a plus

Location

City: Morges
Country: Switzerland
Engagement type: Remote

Department

KJ. Tech Engineering

We Offer

Competitive salary
Remote work options
Professional development budget

About the Company

Kainjoo is a group of companies with the sole purpose of bringing brands performances to life in complex industries. We have a global reach with partners and representatives located in all time zones.

QA Engineer

Job description