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Senior QA Engineer

Location:
Remote — LatAm (Costa Rica preferred)
Level:
Senior
English:
Upper-Intermediate+
Project stage:
Project Overview

Our client is a U.S.-based platform that helps businesses outsource their customer support through a mix of automation and a global network of AI-enabled agents. The system connects companies (Clients) with freelance Experts who resolve customer inquiries, while internal Specialists manage ticket queues and platform operations.

Employment type: Temporary — full-time for the first 2–3 months, transitioning to part-time (~50%) afterward. Potential for longer-term collaboration depending on project needs.

Working hours: 8-hour workday, with a minimum of 6 hours of overlap with U.S. Central Time (CT)

Technical Details:
Job Highlights:
Team Composition:
Responsibilities
  • Software quality assurance
  • Analysis and testing of requirements (discussion, amendments, improvements)
  • Writing and supporting various test artifacts (test cases, checklists)
  • Performing functional, UI/UX, regression, and smoke testing
  • Bug detection and documentation in the bug-tracking system (Jira); control of the bug life cycle
  • Test planning, improving and optimizing QA processes
  • Collaborating with the team on defining testing approaches and methods that minimize product quality risks
  • Constant interaction within the Scrum team
Qualifications
  • At least 5 years of experience testing web and Client/Server applications
  • Experience creating checklists and test cases according to development requirements, keeping them regularly updated, and creating business cases based on development requirements
  • Understanding of APIs and how to use/interpret them
  • Understanding of HTTP methods and status codes; skills using web developer tools for problem analysis
  • Gray Box and Black Box testing experience
  • Experience with bug tracking systems (Jira)
  • Basic skills working with SQL databases
  • Demonstrated ability to troubleshoot problems, determine root cause, and clearly describe steps to reproduce
  • Experience working closely with cross-functional teams (designers, product managers, engineers) in an agile, fast-paced environment
  • Proactive, ownership-minded, with genuine interest in adapting and learning in the role
  • Native Spanish speaker
  • English level: Upper-Intermediate or above
Nice to Have
  • Experience writing automated test scripts, or willingness to learn
  • Experience testing e-commerce systems
  • Familiarity with AI-powered testing — LLM evaluation, prompt testing, etc.

Workflow

Our Benefits

Time for Life

20 paid days off and 10 paid sick days
Paid public holidays based on your local calendar
Remote work

The Basics, Done Properly

All the equipment you need
A dedicated budget for software and AI tools
A comfortable modern office in Lviv and Cherkasy, with relocation support to either city.

Benefits You’ll Actually Use

Health insurance from your first working day
A $1,000 flexible benefits budget per individual year
Use it your way across eligible categories

Growth Without Guesswork

Performance reviews every six months
Career support and clear next steps from your Line Manager
A career path based on a competency matrix

[ our values/ ]

What Keeps Us Sharp and Steady

We cut the fluff and keep it real—owning our work, refining our craft, and always leveling up. No excuses, just a team that’s in it together, pushing boundaries and delivering results.
Pragmatic

Pragmatic

Theory’s cute, but results pay the bills. Perfect’s a fairy tale—done right is what counts.
Adult

Adult

No drama, no sugarcoating. We own our wins and our screw-ups, and treat failure like free tuition.
Craftspeople

Craftspeople

We’re not assembly-line coders. We build, we refine, and we don’t put a fresh coat of paint on bad code.
Forever Learners

Forever Learners

Falling behind? We leave that to others. Leveling up fast, chasing down answers, and never settling for “I don’t know.”
Great Allies

Great Allies

No lone wolves here. We listen before we talk, communicate like grown-ups, and make the ride better for everyone.

[ global team, remote freedom/ ]

Headquartered in the USA and Ukraine, but our team? We're everywhere.

We’re fully remote, so you can work wherever you’re most productive.
Costa Rica
Team Hub
USA
Strategic & Office & Team Hub
Spain
Strategic & Team Hub
Poland
Strategic & Team Hub
Romania
Team Hub
Ukraine
Office & Team Hub
Costa Rica
Bulgaria
Team Hub
Georgia
Team Hub
Armenia
Team Hub
Lviv
Myroslava Skoryka Street, 31, Lviv, Ukraine, 79000
diana.zherebetska@mev.com
Cherkasy
Pushkina Street, 100, Cherkasy, Ukraine, 18000
vladyslava.korol@mev.com
Walnut Creek
1212 Broadway Plaza, Walnut Creek, California, USA
solutions@mev.com

FAQs

Got questions? No worries, we've got all your answers covered in our FAQ!

Absolutely! We offer flexible remote work options, so you can work from anywhere worldwide. Prefer the office vibe? We’ve got a modern, comfy workspace in Ukraine, fully equipped with everything you need.

We have a structured onboarding process to make your transition smooth and welcoming. You’ll have access to mentors, detailed resources, and a supportive team to help you hit the ground running.

We conduct performance reviews every six months to assess your achievements, align your goals with the company’s vision, and identify growth opportunities. During these reviews, you’ll:

  • Get a clear picture of your strengths and areas to improve
  • Receive feedback on your performance and productivity
  • Set goals that align with your career path and the company’s strategy

At MEV, we’re all about continuous learning and growth. Here’s what a typical path looks like for a Software Engineer:

  • Junior Engineer: Build foundational skills like bug fixing and documentation with guidance from senior team members.
  • Mid-level Engineer: Take on more complex tasks, mentor junior engineers, and play a bigger role in problem-solving and code optimization.
  • Senior Engineer: Lead projects, tackle high-level technical challenges, and align technical work with business goals. You’ll also mentor others and drive innovation within the team.
  • Staff Engineer: Lead large-scale projects, design system-wide architectures, and manage multi-team efforts. You’ll mentor senior engineers and steer the technical strategy.

At every step, your responsibilities grow—and so does your impact. Regular reviews and professional development opportunities keep you moving forward.

We believe in open, transparent communication and a collaborative culture. Regular team meetings, project updates, and social events keep everyone connected and engaged.

We’re big on balance. Here’s what we offer:

  • 20 paid vacation days per year
  • 10 sick days
  • Flexible working hours

Your well-being matters to us. We offer:

  • Comprehensive health insurance
  • $600 annually for healthcare, sports, or mental health support

We invest in your growth. You’ll get $600 annually to spend on:

  • Courses, trainings, and seminars
  • Professional certifications
  • English lessons

Our culture is built on mutual respect, continuous learning, and a passion for innovation. We value diversity, creativity, and a good sense of humor. We’re a team of professionals who support each other, celebrate successes, and challenge ourselves to grow.

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