Fullstack Developer- Internship

Role Overview

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. As a Fullstack Engineer Intern, you will work on products spanning native and immersive ad formats, mediation, user acquisition, and offerwalls.

Responsibilities

• 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
• Work with large datasets including ad traffic, impressions, and performance metrics
• Integrate with external APIs such as ad networks, mediation platforms, and 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

Requirements

• Proficiency in Go for backend development
• Working knowledge of React for frontend development
• Experience with relational databases like PostgreSQL or MySQL 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

Nice 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

Benefits

• Direct mentorship from experienced engineers
• Ownership over meaningful pieces of the product
• Fast-paced adtech startup environment where code ships to production
• Paid internship

Skills

• Go
• React
• PostgreSQL
• MongoDB
• API Design