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Raj Kumar
Mentor
Rising Codementor
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ABOUT ME
Experience Backend Developer working at Google
Experience Backend Developer working at Google
I’m a software engineer at Google, where I work on systems that handle terabytes of data at scale. My core interests lie in data structures & algorithms ,distributed systems, and system design. I enjoy solving large-scale engineering challenges, designing resilient architectures, and optimizing performance for high-throughput systems. Beyond my current role, I’m deeply passionate about building scalable backend infrastructures, exploring concurrency, and continuously improving my expertise in advanced system design.
English
Chennai (+05:30)
Joined August 2021
EXPERTISE
8 years experience
Designed and optimized large-scale, data-intensive backend systems handling terabytes of data daily with low latency, high throughput, an...
Designed and optimized large-scale, data-intensive backend systems handling terabytes of data daily with low latency, high throughput, and fault tolerance.
Expert in distributed system design, concurrency control, caching, load balancing, and end-to-end performance optimization (e.g., 250 ms → 25 ms at 90k QPS)
8 years experience
Strong in Data Structures and Algorithms with deep expertise in problem-solving, optimization, and writing efficient, scalable code.
Regu...
Strong in Data Structures and Algorithms with deep expertise in problem-solving, optimization, and writing efficient, scalable code.
Regularly apply advanced concepts like dynamic programming, graphs, and concurrency-safe data structures to design high-performance systems.
6 years experience
6 years experience
6 years experience
6 years experience
6 years experience
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SOCIAL PRESENCE
EMPLOYMENTS
Software Engineer
Google
2025-01-01-Present
I’m a software engineer at Google, where I work on systems that handle terabytes of data at scale. My core interests lie in data structur...
I’m a software engineer at Google, where I work on systems that handle terabytes of data at scale. My core interests lie in data structures & algorithms ,distributed systems, and system design. I enjoy solving large-scale engineering challenges, designing resilient architectures, and optimizing performance for high-throughput systems. Beyond my current role, I’m deeply passionate about building scalable backend infrastructures, exploring concurrency, and continuously improving my expertise in advanced system design.
Java
C++
Concurrent Programming
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Java
C++
Concurrent Programming
System design
Distributed Systems Engineering
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Senior Software Engineer
Walmart
2021-09-01-2025-01-01
Working in Supply Chain Development of Walmart which serves approx 90% of US population
Working in Supply Chain Development of Walmart which serves approx 90% of US population
Java
Spring
Cassandra
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Java
Spring
Cassandra
Cache
Apache Kafka
Distributed Systems Engineering
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SDE 2
MPL
2021-06-01-2021-08-01
Worked on online Gaming platform which has a scope for huge scaling
Worked on online Gaming platform which has a scope for huge scaling
PostgreSQL
Redis
Apache Kafka
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PostgreSQL
Redis
Apache Kafka
Dropwizard
gRPC
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