Senior QA Engineer

Cledar USA, Inc.; Wieliczka; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Hybrid work model

Remote flexibility

Ownership over QA function

Build a team from ground up

Job summary

Cledar USA, Inc. is seeking a Senior QA Engineer to build and shape the testing process from the ground up. You will work closely with our development team to ensure quality across API, integration, and E2E testing, while establishing standards and documentation.

This role offers hybrid work with a Wieliczka base, real ownership over QA function, and the chance to drive testing strategies in AI/data-driven projects.

Qualifications

• Experience as a QA Engineer / Senior QA Engineer.
• Strong experience in test automation (API, integration, E2E).
• Experience creating or improving QA processes.
• Basic understanding of REST APIs and HTTP methods.
• Basic knowledge of software testing principles (ISQTB Foundation or equivalent).
• Experience with manual and exploratory testing.
• Strong analytical and problem-solving skills.
• English at minimum B2 level and ability to communicate with English-speaking clients.
• Nice to Have: Experience with QTest.
• Familiarity with the Microsoft ecosystem / C#.
• Experience in AI, ML, or data-driven projects.

Responsibilities

• Design and implement the end-to-end testing process (from A to Z).
• Create and maintain test documentation and QA standards.
• Develop and maintain automated tests (API, integration, E2E).
• Perform manual and exploratory testing when needed.
• Actively explore the system to understand how it works and identify potential issues.
• Design and manage the overall testing workflow.
• Work closely with developers and other stakeholders.
• Propose and implement improvements in QA tools, processes, and testing strategies.

Skills

Test automation

Manual testing

Exploratory testing

QA process design

Analytical thinking

English proficiency

QTest

C# ecosystem

AI/ML data projects

Tools

QTest

C#

Job description

Our company builds advanced end-to-end technology solutions with a strong focus on data processing, artificial intelligence, and machine learning. We work with various data sources, including marketing data, macro-economic forecasting, and social media analytics.

As we continue to grow, we are looking for a Senior QA Engineer who will help us build and shape the testing process from the ground up while working closely with our development team and having a real impact on the quality of our products

Key Responsibilities:

• Design and implement the end-to-end testing process (from A to Z)
• Create and maintain test documentation and QA standards
• Develop and maintain automated tests (API, integration, E2E)
• Perform manual and exploratory testing when needed
• Actively explore the system to understand how it works and identify potential issues
• Design and manage the overall testing workflow
• Work closely with developers and other stakeholders
• Propose and implement improvements in QA tools, processes, and testing strategies

Requirements:

• Experience as a QA Engineer / Senior QA Engineer
• Strong experience in test automation (API, integration, E2E)
• Experience creating or improving QA processes
• Basic understanding of REST API's and HTTP methods
• Basic knowledge of software testing principles(ISQTB Foundation Level or equivalent)
• Experience with manual and exploratory testing
• Strong analytical and problem-solving skills
• English at minimum B2 level – ability to communicate with English-speaking clientsNice to Have
• Experience with QTest
• Familiarity with the Microsoft ecosystem / C#
• Experience in AI, ML, or data-driven projects

What We Offer:

Real ownership over shaping the QA function

Opportunity to build a team from the ground up

Projects in AI and data — complex and impactful

Hybrid work model (Wieliczka) with remote flexibility

High level of autonomy and decision-making power