QA Automation Engineer – APIs, AI Agents & React Platforms

Warszawa, Poland (Remote) 7 542.21 - 8 100.89 USD Posted on February 25, 2026

Job Description

We are looking for a technically strong and detail-oriented QA Automation Engineer to ensure the reliability, scalability, and performance of a modern cloud-based platform built on:




.NET REST APIs (microservices architecture)

AI/LLM-based agents and workflow orchestration

Multiple ReactJS front-end applications




This role goes beyond traditional testing. You will be responsible for building automation frameworks, validating AI-driven systems, and ensuring seamless integration across backend services and frontend applications.




Key Responsibilities

Design and execute test strategies across APIs, AI workflows, and React UIs

Build and maintain automated API and UI test suites

Validate AI agent logic and prompt-driven workflows

Perform integration, regression, and performance testing

Integrate automated tests into CI/CD pipelines

Requirements

3+ years (Mid) / 5+ years (Senior) in QA Engineering

Strong experience testing REST APIs and .NET backends

Experience testing ReactJS applications

Hands-on automation experience (Cypress, Playwright, Selenium, Postman, etc.)

CI/CD experience (Azure DevOps, GitHub Actions)

Familiarity with OAuth2 / JWT

Nice to Have

Experience testing AI / LLM-based systems

Docker & microservices experience

Performance testing tools (k6, JMeter)

Tech Environment: .NET, ReactJS, Azure, AI agents, CI/CD pipelines.




If interested and available, please share your cv for an immiediate consideration

About Senovo It

Senovo IT is a leading global provider of contract and permanent staff. Over 10 years we are working across our 5 core technology pillars ERP, Cloud & Infrastructure, Data & Analytics, Development & Integration, Cyber Security. Bringing talent, drive and innovation to international projects. Senovo IT works with clients' needs to provide unique business solutions based on budget, language and the level of expertise required. Why we are leading experts: - Flexible solutions At Senovo IT, we are fully focused on customer care. Our 360-degree approach offers flexible and ad hoc business solutions to ensure projects run smoothly, on time and within budget. - Global resources delivered locally Our fast response time means we deliver in 24 to 48 hours. We always prefer local consultants with local language skills. This is our promise and commitment to our clients. - Quality over quantity Senovo IT's rating system and superior network of consultants ensures you will only receive the top three CVs

Industry: Staffing and Recruiting