May 20, 2026
QA Engineer
Mid • Remote
We’re looking for two QA Engineers who care about product quality end-to-end. You’ll join one of our products - TradeZella or Mailtrap - and focus on how the product works in real conditions: testing functionality, investigating edge cases, and resolving complex issues together with engineering, product, and support teams.
Both roles share the same core expectations around quality ownership, debugging, and collaboration. The difference lies in product-specific focus areas outlined below:
• Mailtrap is a fast-growing Email Delivery Platform used for email testing and sending.
• TradeZella is a Trading journaling and educational platform, which requires the entire team to be passionate about the trading domain, as well as extended UX testing skills.
*If you have a preference for which product you’d like to join, please indicate it in your application.
WHAT WE ARE LOOKING FOR?
Testing & QA expertise (common for both roles)
Strong experience with manual testing and end-to-end validation
Experience in investigating customer issues and performing root cause analysis
Experience in building and improving QA processes
Experience with UX testing
Technical skills:
Strong debugging and problem-solving skills, including log analysis (CloudWatch, Logs Explorer)
Good understanding of networks, HTTP, APIs, and web/client architectures
Experience with version control systems (GitHub, GitLab, etc.)
Experience using AI tools for workflow optimization
Communication & mindset:
Ability to translate technical concepts for different audiences (engineering ↔ non-technical)
Strong sense of ownership and accountability
Structured, detail-oriented approach
Fluent English (written and spoken)
Product-specific requirements
For Mailtrap (Email Delivery Platform)
Experience in API testing (working with documentation vs. real behavior, identifying inconsistencies)
Confidence validating third-party integrations across environments
Would be a plus:
Experience with Playwright (TypeScript)
For TradeZella (Trading journal platform)
Strong UX testing skills beyond formal requirements (user acceptance testing, business acceptance testing, usability validation)
Desire to dive into the trading domain
Would be a plus:
Experience with trading platforms (testing of trading platforms or personal trading experience)
Your responsibilities
Analyze requirements, test functionality, and identify defects and edge cases
Own investigation of complex customer issues through L3 support, driving root cause resolution
Partner with engineering and product to resolve issues and improve system reliability
Improve QA practices and elevate debugging and investigation standards, including AI adoption practices
Support releases and ensure stable rollouts with active post-release follow-up
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🏢 Summary: Senior QA Engineer role focused on manual and automation testing of web applications, including validation of AI-generated test cases and LLM outputs. The position involves API testing, cross-browser UI testing, CI/CD collaboration, and contributing to an existing automation framework within Agile teams. It is suited for an experienced tester strengthening automation skills while working with AI-driven tools and modern QA practices. 🗂️ Requirements: 4+ years of software testing experience, Strong manual and automation testing knowledge, Understanding of SDLC and STLC models, Knowledge of testing and QA processes, Experience with test design techniques, Defect analysis and reporting skills, Experience with Postman for API testing, Experience with browser developer tools, Experience with UI testing, Experience with TestRail for test management, Basic understanding of CI/CD processes, Intermediate level of English 📃 Skills: TestRail, Postman, JIRA, Jenkins, CI/CD, SDLC, STLC, API, UI, LLM, Claude, GitHub, Copilot, OpenAI, Azure, LangChain 🏢 Description: ID66279 AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. Why join us If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! :) About the role We are looking for a Senior QA Engineer to perform manual and automation testing of web applications, validate AI-generated test cases and LLM outputs, and contribute automation scripts to a stable existing framework under the guidance of a dedicated Automation Lead. You will design and execute test plans in TestRail, conduct API testing with Postman, document defects in Jira, and collaborate across Agile sprint cycles. The role suits an engineer with a strong manual background who is actively growing their automation skills using tools including Claude and GitHub Copilot. What you will do Perform manual and automation testing of web applications to identify bugs, glitches, and inconsistencies; Take ownership of automation tasks within the team and proactively develop your automation skills; Develop, maintain, and execute detailed manual test cases based on product requirements and specifications; Perform thorough cross-browser UI testing to ensure consistent behavior across Chrome, Firefox, Safari, Edge, etc.; Validate AI-generated test cases, summaries, and recommendations produced by integrated LLMs to ensure accuracy, completeness, and alignment with project requirements; Design and execute test scenarios to verify AI behavior, including prompt–response consistency, contextual relevance, and deterministic vs. non-deterministic outputs; Evaluate AI model quality using defined acceptance metrics (precision, recall, hallucination rate, duplication rate); Conduct manual API testing to validate request/response accuracy, error handling, and integration; Use TestRail to create, manage, and track test plans, test cases, and test execution results; Use Jenkins CI/CD pipelines; Report and document defects clearly using the bug tracking system (JIRA); Participate in daily stand-ups, sprint planning, and other Agile team meetings; Review user stories and acceptance criteria to understand the scope of testing; Estimate own tasks, report on risks to the team lead; Collaborate with developers and other QA team members to reproduce issues and verify fixes; Maintain and update test documentation as needed. Must haves 4+ years of experience in software testing; Strong manual & automation knowledge; Basic understanding of SDLC and STLC (Software Development and Testing Life Cycle) models; Knowledge of Testing and Quality Assurance processes; Strong experience with Test Design activities to cover a set of product requirements; Knowledge of Test Design techniques; Knowledge of testing methodologies; Defect analysis skills and the ability to write detailed and useful defect reports with expected defect-fixing outcomes; Experience with Postman (API testing) and Browser developer tools; Experience with UI testing; Experience with TestRail as a Test Management system (as a user, test execution is required); Basic understanding of CI/CD process; English – an Intermediate, higher knowledge level is an advantage. Nice to haves Understanding of LLM evaluation principles, including prompt engineering, output validation, and model fine-tuning cycles; Familiarity with AI/ML concepts, APIs, and frameworks (e.g., OpenAI API, Azure OpenAI, LangChain); Knowledge of data protection and compliance standards for AI systems (GDPR, zero-data retention, PII anonymization); Experience in SSO testing is a plus; Experience in Performance or Load testing is a plus. The benefits of joining us Professional growth: Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps Competitive compensation: We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities A selection of exciting projects: Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands Flextime: Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office – whatever makes you the happiest and most productive. Meet Our Recruitment Process Asynchronous stage – An automated, self-paced track that helps us move faster and give you quicker feedback: Short online form to confirm basic requirements 30–60 minute skills assessment via Codility – a platform founded in Poland that helps us provide quicker feedback and streamline this stage of the process. 5-minute introduction video Synchronous stage – Live interviews Technical interview with our engineering team (scheduled at your convenience) Final interview with your future teammates If it’s a match — you’ll get an offer!
Technology
7N
Junior QA Engineer
Junior
Remote
Warsaw, Poland
10,080 - 13,440 PLN
🏢 Summary: QA Engineer role focused on manual testing of web and mobile applications in a DevOps-oriented environment with responsibility for API, database, and release validation. The position emphasizes practical use of AI tools in daily QA activities and collaboration within cross-functional teams. The offer includes professional development support, learning platforms, and a full benefits package. 🗂️ Requirements: Around 2 years of manual software testing experience, Experience testing web or mobile applications, SQL skills for data validation and querying, Experience with AI tools in QA work, API testing experience, Experience analyzing API traffic with proxy tools, Familiarity with CI/CD environments, Experience with test management platforms, Ability to work in cross-functional teams, Strong attention to detail 📃 Skills: SQL, Postman, Proxyman, Charles, Jira, TestRail, Bitbucket, Bitrise, Claude, Gemini, CI/CD, API 🏢 Description: We are looking for a quality-focused QA Engineer with hands-on experience in testing web or mobile applications. You will work within a DevOps-oriented setup, supporting release cycles and ensuring stable product delivery. We’re particularly interested in someone who actively applies AI tools in everyday QA work to increase efficiency and improve results. Tasks - Carry out manual testing of web and mobile solutions - Prepare and maintain test scenarios, cases, and documentation - Perform API and database validation using tools like Postman and SQL - Inspect and debug API communication with proxy tools (Proxyman, Charles or similar) - Contribute to release workflows within CI/CD environments - Track issues and manage test activities in Jira / test management tools - Use AI-driven tools to support and optimize testing activities Expectations - Around 2 years of experience in manual software testing - Solid skills in SQL for data validation and querying - Practical experience using AI tools (Claude, Gemini, etc.) in daily QA work - Experience in API testing and traffic analysis - Familiarity with CI/CD environments (e.g. Bitbucket, Bitrise or equivalent) - Experience with test management platforms (TestRail or similar) - Ability to work effectively in cross-functional teams - Strong attention to detail and a quality-first mindset 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 with advice on growth planning based on the latest trends and market needs in IT - Access to 7N Learning & Development platform with webinars, articles, industry reports, and development events - Integration events including annual Kick-Off trips, Christmas parties, Summer Olympics sports events, family picnics, and movie premieres - Opportunities to participate in knowledge transfer initiatives within the 7N Services offering - Access to experienced IT experts and long-term professional networking - Complete benefits package including medical care, life insurance, sports cards, and shopping discounts