Senior Technical Lead

1 day ago


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

C1X AdTech Pvt Ltd is a fast-growing, product and 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 integration with personalization engines and delivering cross-channel marketing capabilities. We focus on enhancing customer engagement and delivering measurable growth in Lifetime Value (LTV).

As part of our world-class engineering team, you will be working across backend APIs), Big Data, Real-Time Bidding (RTB) systems, and frontend (UI) to deliver high-performance, scalable products for the global digital advertising ecosystem.

Role Overview

As a Senior Technical Lead Java Backend Developer, you will serve as both a hands-on engineer and team leader (player-coach). You will architect and scale backend systems, mentor engineers, and ensure the delivery of robust, high-performance, and low-latency applications for our AdTech and RTB platforms. This role combines deep technical expertise, system-level design, and leadership responsibilities to drive the next generation of our real-time advertising systems.

Objectives

  • Architect, design, and maintain scalable backend services using Java and microservices.
  • Act as a player-coach – contribute individually while guiding and mentoring team members.
  • Ensure backend systems deliver high performance, low latency, and fault tolerance.
  • Collaborate with cross-functional teams to translate business requirements into scalable solutions.

Key Responsibilities

  • Lead the design, development, and optimization of backend services for RTB and AdTech platforms.
  • Architect and implement integrations with global SSPs/DSPs using OpenRTB and other industry protocols.
  • Conduct code reviews, design reviews, and enforce best practices across the engineering team.
  • Monitor and optimize system performance (latency, throughput, GC tuning, memory management).
  • Troubleshoot complex issues (heap/thread dumps, performance bottlenecks, memory leaks).
  • Work with large-scale datasets to identify optimization opportunities and improve efficiency.
  • Collaborate with product, data, and operations teams to support campaign delivery and business needs.
  • Mentor and coach junior engineers, fostering a culture of technical excellence and knowledge sharing.
  • Drive continuous improvements in scalability, reliability, and system design.

Required Skills & Qualifications

  • Bachelor's degree in Computer Science, Engineering, or related field (equivalent problem-solving skills on platforms like LeetCode/HackerRank may substitute).
  • 7–12 years of backend engineering experience, with at least 2–3 years in a lead/mentorship role.
  • Strong knowledge of data structures, algorithms, and distributed system design.
  • Expertise in Java, Java EE/J2EE, and Spring Boot.
  • Hands-on experience with Hibernate, Java NIO, and microservices architecture.
  • Strong debugging and performance-tuning skills (memory leaks, GC policies, thread starvation, profiling).
  • Exposure to Kafka and ELK stack (Elasticsearch, Logstash, Kibana).
  • Experience with CI/CD pipelines, containerization (Docker/Kubernetes) is a plus.
  • Strong communication and problem-solving skills, with the ability to act as a player-coach (individual contributor + team lead).

Preferred Skills & Qualifications

  • Experience in digital advertising/AdTech ecosystems (RTB, SSPs, DSPs, programmatic advertising).
  • Familiarity with OpenRTB protocol and campaign delivery workflows.
  • Knowledge of server-side scripting and performance profiling tools.

Role Details

  • Role: Senior Technical Lead – Java Backend Developer
  • Industry Type: Software Product (AdTech / MarTech)
  • Department: Engineering – Backend
  • Employment Type: Full Time, Permanent
  • Role Category: Software Development


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