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: data,go (golang),html,database,postgresql,building,react.js