Senior QA Engineer

product and engineering-driven AdTech company

• Design and maintain

  scalable QA test suites

  (manual + automated) for complex backend systems and integrations.
• Ensure the

  robustness, performance, and reliability

  of RTB and AdTech platforms.
• Validate standards and integrations with top

  SSPs & DSPs

  to guarantee seamless delivery.

Responsibilities

• Design and execute

  comprehensive test plans and test cases

  for backend systems, microservices, and integrations.
• Perform

  functional, regression, performance, and integration testing

  across backend and frontend services.
• Validate

  data integrity

  and accuracy for integrations using OpenRTB and related protocols.
• Own QA aspects of

  campaign implementation, monitoring, and reporting

  .
• Work closely with product and engineering teams to

  translate business requirements into test scenarios

  .
• Analyze

  large-scale logs and datasets

  to identify root causes and quality improvements.
• Troubleshoot

  campaign delivery and system issues

  in collaboration with internal and external partners.
• Conduct

  peer reviews

  of test strategies, automation scripts, and QA deliverables.

Qualifications

• Bachelors degree in Computer Science, Engineering, or related field (problem-solving skills on LeetCode/HackerRank may substitute).
• Solid foundation in

  QA principles, testing methodologies, and defect lifecycle management

  .

• 5–10 years’ QA experience

  in digital advertising or B2B digital marketing industry.
• Familiarity with

  web technologies, RESTful APIs, and distributed systems

  .
• Hands-on with automation frameworks/tools such as

  Playwright, Selenium, TestNG, JUnit, REST Assured

  .
• Knowledge of

  performance testing tools

  (JMeter, Gatling) is a plus.
• Exposure to

  Kafka, ELK stack (Elasticsearch, Logstash, Kibana)

  , and scripting in

  Java/JavaScript

  is advantageous.
• Understanding of

  microservices architecture

  and QA strategies for distributed systems is a plus.