Sameer Alam
Backend Engineer at Nielsen | Distributed Systems, Go, Cassandra, AWS | High Scale Systems | CodeChef 5★
- Role
- Member of Technical Staff Backend Distributed Systems at Nielsen
- Location
- Hyderabad, TG, IN
- LinkedIn followers
- 500 followers
About Sameer Alam
Backend Software Engineer with 3+ years of experience building and scaling high-throughput distributed systems in production environments. Currently working on data-intensive platforms handling large-scale writes, consistency guarantees, and reliability challenges.At Nielsen, I work on distributed microservices written in Go, focusing on data consistency, concurrency control, and large-scale Cassandra-based architectures. At BYJU’S, I built and maintained backend APIs and transactional services using Node.js, contributing to high-volume order management and product platforms serving millions of users.Core strengths: • Distributed systems and data consistency • High-concurrency backend services in Go • Scalable microservices and cloud-native architecture • Strong foundations in data structures and algorithms (CodeChef 5, LeetCode top 2%)
Experience
Member of Technical Staff Backend Distributed Systems
May 2024 — Present · Hyderabad, IN
I work on large-scale backend systems at Nielsen, building and operating distributed microservices in Go for a media measurement platform used by Tier-1 global networks. My work focuses on data-intensive workloads involving high-throughput writes, consistency guarantees, and reliable service operation.I have diagnosed and resolved critical production issues in Cassandra-based pipelines by identifying client-side bottlenecks and tuning concurrency and connection management, improving write success rates from ~55% to over 99% under heavy load. I have also designed distributed locking mechanisms across multiple mutation workflows to prevent data drift and ensure immutability across systems.In addition, I have built concurrent reconciliation and automation tooling using Go worker pools and channels, significantly reducing false alerts and operational toil. I actively participate in incident response and RCA, driving long-term reliability improvements across upstream and downstream data pipelines.
Education
The Air Force School (TAFS), Subroto Park
High School Diploma, Mathematics and Computer Science
Thapar Institute of Engineering & Technology
Bachelor of Technology - BTech, Computer Science and Engineering
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