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Software Engineer - Core Services
Twitter - New York City, NY
posted 7 days ago
About the position
Are you prepared to join the X team and help build the ultimate real-time information-sharing app, revolutionizing how people connect? At X, we're on a mission to become the trusted global digital public square, committed to protecting freedom of speech and building the future unlimited interactivity. Our goal is to empower every user to freely create and share ideas, fostering open public discourse without barriers. Join us in shaping this thrilling journey where your contribution will be invaluable to our success!
Responsibilities
- Work in a fast paced, collaborative environment where ideas are discussed and challenged openly.
- Deliver new features and improve reliability of our core services including the major read/write paths for Posts, Users, Social relationships, and more.
- Identify major system bottlenecks, or flaws in business logic, and proactively address them.
- Take ownership over core product problems, be able to come up with your own solutions that you love, and prove through data that it is impactful at scale.
- Work across the stack to solve problems, there is no reliance on another engineer or team to get something done for you.
Requirements
- Proficient in Scala/Java or similar language; an expert in majority of language constructs, able to apply them fluently to solve fairly complex problems.
- Designed a non-trivial distributed system (multi-tier) - storage layers, caching layers, application layers, understanding of failure modes, which are significantly different vs non-dist systems, expertise with caching (memcached and/or redis) at scale.
- Microservice Architecture experience, especially with high throughput and low-latency systems.
- Experience with performance tuning.
- Has done a complex systems migration involving multiple phases with dark reads, dark writes, light reads, light writes.
