Senior QA Engineer | 6–8 Years Experience

Candidzone; India; On-site; INR 1,400,000 - 2,200,000; Full time

Job summary

Candidzone is seeking a Senior QA Engineer with 6–8 years of experience to ensure reliable, high-quality software across web and mobile platforms. You will design and execute manual and automated tests, validate APIs and databases, and contribute to performance testing and AI/ML testing initiatives in an Agile environment.

You will develop automated test frameworks using Selenium, Appium, Playwright, and Python, run load tests with JMeter, and collaborate with developers, product managers, and

Qualifications

• , 6–8 years of professional experience in software quality assurance and testing.
• Strong experience with UI testing across web and mobile.
• Hands-on experience with Selenium, Appium, and Playwright.
• Strong Python programming skills for test automation and scripting.
• Experience with performance and load testing using JMeter.
• Solid understanding of REST and GraphQL API testing methodologies.
• Experience with API testing tools such as Postman.
• Good knowledge of database testing and SQL.
• Familiarity with proxy and interceptor tools such as Proxyman or Charles.
• Understanding of AI testing concepts and AI/ML validation techniques.
• Experience working in Agile/Scrum environments.

Responsibilities

• Perform end-to-end testing of web and mobile applications across browsers and devices.
• Conduct front-end UI testing to validate responsiveness, usability, functionality, and visual consistency.
• Perform manual testing using proxy and interceptor tools such as Proxyman or Charles.
• Inspect and manipulate network traffic to support application debugging and validation.
• Develop and maintain automated test scripts using Selenium, Appium, Playwright, and Python.
• Design and execute performance and load tests using JMeter.
• Evaluate system scalability, reliability, and performance under varying workloads.
• Perform REST and GraphQL API testing using Postman or similar testing frameworks.
• Validate API functionality, reliability, data handling, and security-related behavior.
• Conduct database testing to verify data integrity, consistency, and backend functionality using SQL queries.
• Participate in AI/ML testing, including model output validation, data quality checks, and bias detection where applicable.
• Identify, document, prioritize, and track software defects through resolution.
• Contribute to test planning, test case development, test strategy, and QA process improvements.
• Collaborate with developers, product managers, DevOps engineers, and other stakeholders in an Agile environment.
• Continuously improve testing frameworks, tools, processes, and automation coverage.

Skills

UI Testing

Selenium

Appium

Playwright

Python

Performance Testing

API Testing

REST/GraphQL

Postman

SQL

Proxy/Interceptor Tools

Agile/Scrum

AI/ML Testing

Tools

Proxyman

Charles

JMeter

Postman

Playwright

Selenium

Appium

Job description

Location: Not specified
Experience: 6–8 Years
Employment Type: Not specified

Job Category

• Information Technology (IT) & Software
• Engineering & Technical

Job Overview

We are seeking a detail-oriented and highly skilled Senior QA Engineer with 6–8 years of experience in software quality assurance to ensure the delivery of reliable, secure, and high-quality software products. The role requires strong expertise in manual and automated testing across web and mobile applications, with additional experience in API, database, performance, and emerging AI/ML testing practices.

The successful candidate will perform end-to-end testing, develop and maintain automated test frameworks, conduct performance and load testing, validate APIs and databases, and inspect network traffic using proxy and interceptor tools. The role also involves identifying defects, improving test strategies, and collaborating closely with development, product management, and DevOps teams in an Agile/Scrum environment.

This position provides strong opportunities for career growth and professional development in software quality engineering, test automation, performance testing, API testing, cloud technologies, CI/CD, and AI testing. Professional certification such as ISTQB can further support career progression in quality assurance and software testing.

Key Responsibilities

• Perform end-to-end testing of web and mobile applications across browsers and devices.
• Conduct front-end UI testing to validate responsiveness, usability, functionality, and visual consistency.
• Perform manual testing using proxy and interceptor tools such as Proxyman or Charles.
• Inspect and manipulate network traffic to support application debugging and validation.
• Develop and maintain automated test scripts using Selenium, Appium, Playwright, and Python.
• Design and execute performance and load tests using JMeter.
• Evaluate system scalability, reliability, and performance under varying workloads.
• Perform REST and GraphQL API testing using Postman or similar testing frameworks.
• Validate API functionality, reliability, data handling, and security-related behavior.
• Conduct database testing to verify data integrity, consistency, and backend functionality using SQL queries.
• Participate in AI/ML testing, including model output validation, data quality checks, and bias detection where applicable.
• Identify, document, prioritize, and track software defects through resolution.
• Contribute to test planning, test case development, test strategy, and QA process improvements.
• Collaborate with developers, product managers, DevOps engineers, and other stakeholders in an Agile environment.
• Continuously improve testing frameworks, tools, processes, and automation coverage.

Requirements & Qualifications

• 6–8 years of professional experience in software quality assurance and testing.
• Strong experience with UI testing across web and mobile platforms.
• Hands-on experience with Selenium, Appium, and Playwright.
• Strong Python programming skills for test automation and scripting.
• Experience with performance and load testing using JMeter.
• Solid understanding of REST and GraphQL API testing methodologies.
• Experience with API testing tools such as Postman or similar frameworks.
• Good knowledge of database testing and SQL.
• Familiarity with proxy and interceptor tools such as Proxyman or Charles.
• Understanding of AI testing concepts and AI/ML output validation techniques.
• Experience working in Agile/Scrum environments.
• Strong analytical, debugging, critical-thinking, and problem-solving skills.
• Excellent communication, collaboration, and technical documentation skills.
• Strong attention to detail, ownership, accountability, and continuous learning mindset.

Preferred Qualifications

• Experience with CI/CD pipelines such as Jenkins or GitHub Actions.
• Knowledge of containerization technologies such as Docker.
• Familiarity with cloud platforms including AWS, Azure, or GCP.
• ISTQB or other relevant QA and software testing certifications are an advantage.
• Experience developing or maintaining automated QA frameworks.
• Exposure to modern AI/ML testing and responsible AI validation practices.

Benefits & Career Growth

This position provides opportunities for career growth and professional development across software quality assurance, automation testing, performance engineering, API testing, mobile testing, database validation, and AI/ML testing.

The successful candidate can expand their technical expertise through exposure to Selenium, Appium, Playwright, Python, JMeter, API automation, CI/CD pipelines, Docker, cloud platforms, and emerging AI testing methodologies. Relevant professional certifications such as ISTQB can also support continued career progression in software quality engineering.

Specific company benefits, training programs, certification funding, and compensation details were not provided in the job description.