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Mid/Senior QA Engineer

Confidential

Istanbul, Avrupa Yakası Hybrid permanent

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.

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

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