Mid/Senior QA Engineer
Confidential
Posted: March 16, 2026
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Quick Summary
We are looking for a Mid/Senior QA Engineer to join our team at Mercury Teknoloji A.Ş. Our goal is to help life sciences and healthcare companies focus on what matters to them while simplifying and removing the friction in shipping. As a Mid/Senior QA Engineer, you will be responsible for ensuring the quality of life sciences and healthcare shipments, with a focus on temperature-sensitive and express package shipments.
Required Skills
Job Description
Mid/Senior QA Engineer
We are on a mission to help life sciences and healthcare companies focus on what matters to them while we focus on simplifying and removing the friction in shipping.
We have a world-class team at Mercury Teknoloji A.Ş. in Türkiye (with offices in Izmir and Istanbul), a wholly-owned subsidiary of Mercury Business Services headquartered in Boston, to develop a state-of-the-art shipping platform that provides the best user experience. Our platform will handle all time-critical and temperature-sensitive shipments as well as express package and freight shipments for life sciences and healthcare companies.
We are seeking a Mid or Senior QA Engineer that is mission critical to helping the design and implementing tests that check the quality and functionality of products. You participate in all phases of development, from determining the test approach and procedure to troubleshoot and report errors, to communicating recommendations for improvement to the rest of the product development team.
You will report to the QA Manager, be a member of the cross-functional agile team and work closely with SDET, Engineering, Product, Design and Operations Teams. You will collaborate closely with product managers, developers, designers, squad team, and clients to ensure that our products are intuitive, easy to use, and convert our customers into raving fans of our shipping technology.
You will:
Be a part of the cross-functional agile team to contribute to the quality of Mercury’s next-generation shipment platform by designing, documenting, testing, and enjoying what you test
Create detailed, comprehensive, and well-structured test plans, test strategies and test cases that will cover all possible customer use-case scenarios and execute them
Perform different types of testing (functional testing and non-functional testing like performance) by using manual and automation techniques and record test results
Creating and maintaining the test documentation
Identify, report and track issues accurately and effectively
Work closely with a team of Product Managers and Engineering Managers to analyze and clarify customer requirements, planning the process of testing, estimating, prioritizing, planning, and coordinating quality testing activities
Work with QA team to analyze testing, improve and optimize testing processes
Be an owner and a champion of platform and application quality and the customer experience
As the specialist, you will design, develop, and execute test scenarios/plans
Communicate effectively in review discussions for technical and non-technical audiences
Working with the software team to prioritize and follow up on the scenarios
Advancement of Functional, Regression, and performance testing processes
Error analysis and tracking via Jira
Possible secondary responsibilities:
Gather and translate business requirements to the detailed product specifications via user stories that are ready for development by the development teams
Work closely with Product Manager(s) to refine the business requirements
Design and document new and improved business processes using flow diagrams to enable the team to build the product that meets the customer's needs
Conduct training and knowledge transfer sessions to business units and fellow team members
You have/are:
Bachelor’s degree in Computer Engineering or a related field
3-6 years of experience as a QA Engineer or Test Engineer
Experience in API (REST) testing with Postman
Hands-on experience in SQL (Analytical Functions and complex queries) and DB testing
Knowledge of test methodologies, processes, and their corresponding tools like Jira X-Ray
Experience in SQL (Analytical Functions and complex queries) and DB testing
Experience with Web Application Platform
Experience with test case design using various techniques/approaches to achieve optimal test coverage
Experience in test execution and test reporting
Well-versed with various types of testing (like e2e, API, regression, smoke, performance testing, etc.)
Good understanding of software development life cycle
Key skills:
Fluent in English
Passion for learning and researching
Excellent communication capability
Good understanding of lean/agile values; principles and associated practices
Attention to details
Self-managed
Problem-solving and conflict-resolution ability
Team player
We appreciate it as a bonus if you have:
Masters or higher studies in Computer Engineering or related fields
Minimum 1 year of business analysis or product ownership experience in software development or enterprise software product
A valid ISTQB certification
Knowledge of test methodologies, processes, and their corresponding tools like Jira X-Ray
Experience with Cucumber Behavior-Driven Development (BDD) framework
We offer :
Competitive salary in USD
Hybrid work (50%- 50%) in working hours in Turkey (Zeytinburnu -Biruni Teknopark)
Private health insurance covers you and your immediate family
20 days of paid holidays including the first year of employment
Having your birthdays off work