Senior Technical Lead

5 days ago


Chennai, Tamil Nadu, India C1X Full time ₹ 12,00,000 - ₹ 36,00,000 per year

C1X AdTech Pvt Ltd is a fast-growing, engineering-driven AdTech company building next-generation advertising and marketing technology platforms. Our mission is to empower enterprise clients with the smartest marketing solutions, enabling seamless personalization and delivering cross-channel marketing capabilities. We focus on enhancing customer engagement and increasing Lifetime Value (LTV) through consistent, high-performance solutions across all channels.

Our world-class engineering team spans frontend (UI), backend APIs), Big Data, and DevOps, working together to deliver scalable and innovative AdTech products.

Role Overview

As a Senior Technical Lead QA, you will be responsible for driving the quality engineering strategy across our AdTech platforms. This is a hands-on leadership role where you will architect scalable QA solutions, lead automation initiatives, and mentor a high-performing QA team. You will play a critical role in ensuring the reliability, performance, and scalability of our Real-Time Bidding (RTB) systems, microservices, and partner integrations (SSPs/DSPs).

You will not only ensure flawless campaign delivery workflows but also bring expertise in automation frameworks, distributed systems testing, and performance benchmarking.

Objectives

  • Define and implement a comprehensive QA strategy (manual + automation) for large-scale, distributed AdTech systems.
  • Ensure system robustness, reliability, and performance of RTB platforms and integrations.
  • Champion automation-first approaches while guiding the QA team on best practices and standards.
  • Collaborate closely with engineering, product, and partner teams to validate critical workflows, integrations, and campaign delivery.

Key Responsibilities

  • Lead the design, development, and execution of end-to-end test strategies for backend services, APIs, microservices, and partner integrations.
  • Drive automation architecture using modern frameworks (Playwright, Selenium, REST Assured, TestNG, JUnit).
  • Perform functional, regression, integration, and performance testing, ensuring consistent delivery across distributed systems.
  • Validate data integrity and compliance with OpenRTB and other advertising protocols.
  • Build and maintain performance benchmarking frameworks with tools such as JMeter or Gatling.
  • Analyze logs and datasets (Kafka, ELK stack) to proactively identify quality and performance improvements.
  • Mentor and coach QA engineers, setting quality standards and reviewing test plans, automation scripts, and deliverables.
  • Collaborate with DevOps teams to integrate QA practices into CI/CD pipelines, enabling faster and reliable releases.
  • Troubleshoot production issues, campaign delivery, and system-level defects with cross-functional stakeholders.

Qualifications

  • Bachelor's degree in Computer Science, Engineering, or related field (equivalent problem-solving skills on LeetCode/HackerRank may substitute).
  • 8–12 years of QA experience, including significant leadership/mentorship in QA or SDET roles.
  • Proven expertise in test automation frameworks and scripting (Java/JavaScript).
  • Strong foundation in QA principles, defect lifecycle management, and distributed system testing.
  • Hands-on with automation and manual testing in large-scale product environments.
  • Familiarity with RESTful APIs, microservices architecture, and distributed systems.
  • Proficiency with performance testing tools (JMeter, Gatling).
  • Exposure to Kafka, ELK stack (Elasticsearch, Logstash, Kibana) for log and data analysis.
  • Experience in continuous integration, CI/CD pipelines, and DevOps collaboration.
  • Strong problem-solving, communication, and leadership skills with the ability to influence cross-functional teams.

Role Details

  • Role: Senior Technical Lead – QA (SDET)
  • Industry Type: Software Product (AdTech / MarTech)
  • Department: Engineering – Software & QA
  • Employment Type: Full Time, Permanent
  • Role Category: Quality Assurance and Testing

Role & responsibilities

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