Fullstack Developer- Internship

**Fullstack Engineer Intern** * Experience: 0 - 1 Years * Company: GreedyGame / PubScale * Team: Tech * Location: Bengaluru Type: Internship **About GreedyGame / PubScale** GreedyGame (PubScale) is a Bengaluru-based, Google Certified Publishing Partner building an all-in-one platform for app growth and monetization, trusted by 1500\+ publishers and advertisers worldwide. Our products span native and immersive ad formats, mediation, user acquisition (GROW), and offerwalls. ****What You'll Do**** * Build and maintain backend services that integrate with Google Ad Manager (GAM) and multiple third-party ad networks * Develop frontend features and dashboards in React used by both publishers and internal teams for tasks like ad unit management, monitoring, and operational workflows * Work with large datasets ad traffic, impressions, and performance metrics to support reporting and optimization. * Integrate with external APIs (ad networks, mediation platforms, data providers) * Collaborate with senior engineers and product managers to design, build, test, and ship features end to end * Debug and optimize existing systems for performance and reliability at scale **Must-Haves** * Proficiency in Go for backend development * Working knowledge of React for frontend development * Experience with relational databases (MySQL or PostgreSQL) and MongoDB * Solid understanding of data structures, algorithms, and API design fundamentals * A builder's mindset comfortable navigating ambiguity and shipping in a fast-moving environment **Good to Have** * Experience with ClickHouse or BigQuery for large-scale data querying/analytics * Freelance project experience * Prior experience working at a startup * Experience building MCP (Model Context Protocol) servers **Why Join Us** * Work on a product that handles massive scale real ad traffic, real publishers, real revenue impact * Direct mentorship from experienced engineers, with ownership over meaningful pieces of the product * A fast-paced adtech startup environment where your code ships to production, not just a sandbox * Exposure to the intersection of ad tech, large-scale data systems, and external API integrations **Note for the candidate:** We value curiosity over perfection. If you love building entire systems from the ground up and are ready to dive deep into the world of ad-tech tooling, we want to hear from you. **Note:** This is a paid internship.Skills: react.js,data,database,html,postgresql,go (golang),building