1. What is a Software Engineer at GreedyGame?
A Software Engineer at GreedyGame plays a pivotal role in shaping the future of ad-tech and gaming monetization. You are not just writing code; you are building scalable systems that handle high-concurrency traffic and complex data streams, directly impacting the revenue and user experience for a vast network of mobile games and applications.
The work here is characterized by high stakes and technical depth. Whether you are optimizing ad-serving algorithms, refining infrastructure for real-time bidding, or developing seamless integration SDKs, your contributions are immediate and visible. You will be expected to bridge the gap between abstract system design and production-grade execution, working in an environment that values engineering excellence, architectural rigor, and the ability to solve problems under significant technical constraints.
2. Common Interview Questions
The following questions are representative of the patterns observed in the GreedyGame interview process. Use these to gauge your preparedness across different domains, keeping in mind that your interviewer will focus heavily on your ability to justify your technical decisions.
Technical and Domain Expertise
- How would you handle a scenario with 1 million active goroutines while operating under strict memory constraints?
- Can you explain the difference between buffered and unbuffered channels in Golang and when to use each?
- How do you design an API to be truly generic and extensible for future feature enhancements?
- What are the most common performance bottlenecks in high-concurrency systems, and how do you mitigate them?
System Design and Architecture
- Given a specific load requirement, how would you design a production-grade system for [a specific task like a Todo-list or Ad-server]?
- How do you ensure your code remains maintainable and scalable as project requirements evolve?
- What trade-offs do you consider when choosing between different data structures for a high-throughput service?
Behavioral and Project Experience
- Walk me through your most challenging technical project; what were the primary constraints, and how did you overcome them?
- How do you handle tight deadlines when tasked with building complex features from scratch?
- Describe a time you had to optimize a system that was failing under production load.

