Job description

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 driving measurable growth in Lifetime Value (LTV).

Our engineering team is world-class, covering front end (UI), back end (API/Java/Node.js), and Big Data engineering to deliver high-performance, scalable products.

Role Overview
As a Node.js Developer, you will be responsible for the development of our Advertising & Marketing Technology (AMT) servers, integrations with third-party services and ad exchanges, performance tuning, and delivering new features aligned with business requirements.

Objectives

Design and maintain scalable, efficient APIs and services using Node.js.
Build robust, high-performance, and resilient back-end systems to support diverse product requirements.

Responsibilities

Collaborate with product teams to understand business requirements and estimate development efforts.
Write clean, efficient, transparent, and well-documented code that adheres to industry standards.
Build and maintain back-end components of large-scale web applications.
Ensure compliance with privacy, data security, and industry best practices.
Stay updated with emerging technologies and trends in Node.js development.
Develop integrations with Google Analytics and other third-party services.
Participate in design discussions and conduct code reviews to ensure quality and scalability.

Required Skills & Qualifications

Bachelor’s degree in Computer Science, Engineering, or related field (exceptional coding performance on platforms like LeetCode/HackerRank can substitute).
Minimum 2 years of experience developing and maintaining high-performance backend systems with Node.js.
Expertise with NestJS or Express.js frameworks.
Strong knowledge of data structures, algorithms, and software design principles.
Proficiency in JavaScript and TypeScript.
Deep understanding of RESTful APIs, web, and networking protocols.
Hands-on experience with SQL and NoSQL databases.
Exposure to Kafka, Redis, and Elasticsearch.
Solid understanding of Git/version control workflows.
Knowledge of microservices architecture and DevOps principles.
Excellent problem-solving, debugging, and collaboration skills.

Preferred Skills & Qualifications

Experience with display, mobile, or video advertising platforms.
Familiarity with customer data systems, marketing platforms, and AdTech ecosystems.

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