Senior QA Engineer

Roslin – Building the Future of Transportation Technology

At Roslin, we build cutting-edge platforms and solutions for the global transportation industry. From real-time fleet tracking to full-scale operational platforms, our systems power
mission-critical mobility services
across the U.S. market. Our AI-first approach ensures that every product we ship is scalable, reliable, and future-ready.

We are now expanding in
Romania
and looking for
Senior QA Engineers
to join our teams in
Iași
and
Bucharest
. In this role, you will play a critical part in ensuring the reliability, scalability, and performance of our
AI-driven, high-load transportation platforms
. This position blends
hands-on manual testing, advanced test automation, and quality leadership
, giving you both the responsibility and the influence to shape how engineering quality is defined and delivered across Roslin's growing European operations.

What You'll Do

As a
Senior QA Engineer
, you will:

• Design, create, and execute
  test cases, test scenarios, and test strategies
  across manual and automated environments.
• Perform
  manual testing
  while driving adoption of
  automation tools
  (Playwright or Cypress preferred) to improve efficiency.
• Ensure full coverage across
  functional, non-functional, performance, security, and usability testing
  .
• Collaborate with engineering and product teams to
  identify quality gaps, propose solutions, and measure improvements
  .
• Manage the full defect lifecycle: detection, documentation, root cause analysis, and closure.
• Use tools such as
  Linear, Git, and modern CI/CD pipelines
  to integrate QA into the development workflow.
• Anticipate potential risks and blockers, proactively working with stakeholders to mitigate them.
• Partner with leadership and peers to
  influence engineering culture and best practices
  across teams.
• Contribute to the
  QA strategy for SaaS applications
  in an agile environment.

What We're Looking For

Technical Skills

• 4+ years in manual testing, test case design, defect management, and risk mitigation.
• 2+ years driving quality improvements across engineering teams.
• 2+ years of automation experience (Playwright or Cypress preferred).
• Proficiency with
  HTML, CSS, JavaScript, and Git
  .
• Strong knowledge of multiple testing methods (clear box, backend testing) and levels (Unit, Integration, System, UAT).
• Experience with issue tracking and test case management tools (Linear or similar).

Relevant Experience

• Proven background in
  manual + automation testing hybrid workflows
  .
• Experience with SaaS platforms and agile methodologies.
• Strong ability to
  context switch between manual and automated testing
  .
• Track record of
  root cause analysis and defect documentation
  .
• Success in leading initiatives that improved QA processes and outcomes.

Soft Skills

• Proficient in written and spoken English.
• Excellent communication and stakeholder management skills.
• Ability to
  influence, collaborate, and gain buy-in
  across multiple teams.
• Proactive problem solver with a continuous improvement mindset.

What We Offer

Competitive compensation

On-site/Hybrid work model from our offices in
Iași
or
Bucharest

Opportunity to work on
high-load, AI-driven platforms
impacting thousands of real-time users daily

Career growth with direct ownership of QA processes and influence on engineering best practices

Collaborative, in-house engineering team with strong code review and mentorship culture

Company-paid access to
Claude Opus 4.1
and
Codex GPT-5
for advanced AI-assisted development.

Opportunity to work on high-impact, mission-critical projects for the
US market
from day one.

Be part of a team where
quality is mission-critical
and your work directly shapes the reliability of platforms moving entire industries forward.

Send your CV to

or apply directly via LinkedIn – your next challenge starts here