Senior Test Automation Engineer (Javascript/C#)

About the Project

For our Client - a global logistics company we are looking for a Senior Test Automation Engineer with experience working with Javascript and C#.

You will be working on Supply Chain Management product. Working in an international and collaborative setting, you will gain insight into real-world business processes and create high-quality tests by leveraging both your expertise and your team’s knowledge.

Work Mode: remote

Duration of the project: 6 months (with possibility of extension)

Job Responsibilities

• Design, implement, and maintain automated UI, API, and integration tests using tools like CodeceptJS, TestCafe, or WebDriver to ensure robust coverage of core business workflows

• Integrate automated tests into CI/CD pipelines, monitor execution metrics, and continuously improve test performance and reliability

• Debug and fix failing tests, create reusable test data strategies, and ensure consistency across all test layers

• Define and evolve the test automation strategy, introduce new tools, and establish best practices for test design and quality metrics

• Collaborate closely with developers, analysts, and product managers to translate business requirements into effective test cases and maintain alignment with SDLC practices

• Mentor team members, promote a test-first mindset, and contribute to QA documentation and knowledge sharing

Expectations

• Min. 5 years of experience on a similar position

• Strong experience with API testing tools (Postman, SOAP UI) and automated testing frameworks (CodeceptJS, TestCafe, WebDriver, JMeter, K6)

• Good knowledge of databases: MSSQL (required) and MongoDB (nice to have)

• Proficiency in JavaScript, Angular, and .NET/C#

• Familiarity with CI/CD pipelines (Azure DevOps), containerization (Docker, Kubernetes), and infrastructure/configuration tools (NGINX, YAML)

• Understanding of authentication (SSO Keycloak), event streaming (Kafka), and version control (Git)

• Experience with project management and documentation tools (Jira, Confluence)

• English on an advanced level (C1)

We offer

• Ongoing support from a dedicated agent, taking care of your project continuity, client contact, necessary formalities, work comfort and development

• Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT, including consultations with agents and growth mentors

• Access to 7N Learning & Development – a development and educational platform with webinars, a library of articles and industry reports, and regular invitations to one-time and recurring development events – technical, business, and lifestyle

• Spectacular integration events, both for you (e.g., annual Kick-Off trip, Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g., family picnics, movie premieres)

• Professional development not only during the project – you can get involved in knowledge transfer to others within the 7N Services offering directed at 7N clients

• Relationships and access to the knowledge of the most experienced IT experts in the market – the average professional tenure of our consultants in Poland is over 10 years

• A complete benefits package, including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad

About 7N

Constantly searching for projects, difficult rate negotiations, lack of development support – sounds familiar? At 7N, you gain not only stability of contracts but also the personal involvement of a dedicated agent who ensures your professional comfort and continuous access to development initiatives. 

Our mission is to provide stable and rewarding collaborations that drive your success as an IT expert and the success of our clients. We build long-lasting relationships based on Scandinavian values and 30 years of experience creating IT solutions for over 200 organizations.