Fullstack Developer- Internship

Job ID: 407752 In-Office Bangalore, Karnataka, India 0 - 1 years 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. Workplace TypeIn-Office Employment TypeInternship Experience Levelentry-level Work Experience (years)0 - 1 years Skills htmlbuildingdatapostgresqlgo (golang)databasereact.js