Saurav Saha

About Saurav Saha

Senior Software Engineer | Scaling Systems for MillionsExperienced engineer with proven experience specializing in designing and building high-performance, scalable systems capable of handling massive user loads. Proven track record of delivering solutions that consistently exceed expectations in terms of speed, reliability, and security handling massive transaction volumes and intricate business logic maintaining financials.Key achievements:Architected and implemented systems capable of processing over 100 million transactions per day, reducing latency by 30% and increasing throughput by 25% through optimization at various layers of TCP-IP Stack & code with database internals/queues etc.Optimized database performance by identifying and resolving bottlenecks, resulting in a 50% improvement in query response times and a 20% reduction in database resource utilization.Successfully mentored junior engineers and led knowledge-sharing initiatives on industry standards and best practices, resulting in a 25% increase in team productivity.Implemented a scalable, fault-tolerant architecture that reduced system downtime by 95% and improved system availability by 99.99%.Developed a new API platform that increased transaction processing speed by 50% and reduced development time by 30%.Looking to leverage my expertise in SQL, System Design, Clean Coding Standards & Practices, Micro Services, Design Patterns, and Object-Oriented Analysis and Design, Pragmatic Design decisions to drive innovation and deliver exceptional results.

Experience

1. Author

   Realistic Systems

   Dec 2023 — Present · Mumbai, IN

   Based on 8+ Years of Experience building AI/ML/NLP/Data Science Systems, C++ Based High Performance Systems and.NET/Java/T-SQL based Population Scale Systems with complex business processes, low latency, very high throughput, robustness, resiliency, high concurrency which caters to 100 Million+ consumers day in day out, we intend to create an impact in the Coding Community by imparting the knowledge of Production-Ready Practical and Realistic System Design at Scale with Real World Trade-Offs as per Use-Caser.System Design related content will be discussed in depth (LLD, HLD, Coding Patterns, Optimization, Real World Design Trade-Offs, Practical Design, Pragmatic Approach)For reference, our skills include:• Advance SQL querying, Performance Tuning, Bottleneck Identification & fixing, large scale database designing, developing of optimized stored procedures, performant APIs, Complex Web Apps in large code-base of 5 Million+ lines of code• Development of Business APIs/Health Checks System/Monitoring System/High throughput logging for integration with Tech Giants like Amazon, PayTm, BBPS (Google Pay, PhonePe etc.) keeping highly available end to end handling 1 Million+ API Calls per day and overall 50 Million+ overall API Calls for Refill, BFF APIs, Distributor, Micro Distributor APIs etc.• Big Data Analytics for analyzing billions of records optimally where hot data size in around 15 TB and cold data is around 100 TB+• Designing Low-Latency, High Throughput, Web Scale Application catering critical financial data where approx. 10 Cr+ INR worth subsidy processing is done on daily basis.• Designing Data Intensive Application/Microservices optimally keeping in mind Cr records spread across 17 Databases, tables and business logic in stored procedures.

Education

• National Institute of Technology Mizoram

  B.Tech, Computer Science and Engineering

  2014 — 2018

• Green Valley School

  HSLC, Mathematics

  1999 — 2012

• S R Public Sr Sec School, Kota

  AISSCE, PCM

  2012 — 2014

Skills

• Powerpoint
• Microsoft Excel
• Machine Learning
• Predictive Analytics
• Data Science
• Databases
• C
• Programming
• Digital Photography
• Owl
• Customer Service
• Knowledge Engineering
• Java
• Research
• Artificial Intelligence
• Python
• C++
• Data Analysis
• Natural Language Processing
• Project Management
• Microsoft Office
• Strategic Planning
• Management
• Statistical Data Analysis
• Ontology
• Leadership
• Protege
• Microsoft Word
• Semantic Web