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 .