Sr. Java Script SDK Engineer

As a Senior JavaScript Engineer at AdPushup, you will be responsible for engineering our core JavaScript product, focusing on a high-performance script that runs on customer websites. Here are the details of your role: **Role Overview:** You will design and develop our client-side JavaScript engine to optimize ad delivery and layout in real-time. Additionally, you will collaborate with various teams to identify and implement revenue-driving features, participate in design discussions, conduct code reviews, troubleshoot production issues, mentor junior engineers, and contribute to improving development processes. **Key Responsibilities:** - Own the design and development of our client-side JavaScript engine - Collaborate with different teams to build new revenue-driving features - Participate in design discussions for frontend and backend initiatives - Conduct code reviews and drive engineering best practices - Troubleshoot and resolve production issues - Mentor junior engineers and guide them on technical architecture - Contribute to improving development processes and automation - Support project management efforts for timely delivery of initiatives **Qualifications Required:** - 6 - 10 years of experience in frontend-focused product engineering - Mastery of JavaScript, especially vanilla JS and modern browser APIs - Expertise in designing high-performance client-side code - Experience with Node.js and Express.js - Proficiency with TypeScript and modern ES6+ JavaScript practices - Deep understanding of web security and cross-browser compatibility - Knowledge of system design principles and scalability - Familiarity with code versioning tools and CI/CD workflows - Bonus: Exposure to Java, Docker, ReactJS, SQL Server, or NoSQL databases If you are passionate about browser internals, JavaScript performance, and designing scalable systems, this role at AdPushup offers you the opportunity to make a direct impact on revenue growth while advancing your career in a fast-moving product company with a culture that values transparency, autonomy, and learning.,