Saurabh Kishore Tiwari

Saurav Tiwari

Senior Software Engineer / Team Lead

About Me

Results-driven Backend Distributed Systems Engineer with proven expertise in architecting high-concurrency event-driven solutions, query optimization, and enterprise-grade data layers. Specializing in advanced software engineering and AI-powered analytics, I deliver robust data pipelines and real-time processing frameworks that drive measurable business outcomes for large-scale enterprises.

Experience

Walmart

Senior Software Engineer

Jan 2021 — Present
  • High-Concurrency Backend: Engineered real-time, event-driven architectures using Akka Streams, Akka-gRPC, and Event Sourcing. Leveraged the Actor Model to handle distributed state, resulting in a 50% reduction in finance closure times and improved system resilience.
  • AI & Forecasting:Designed and deployed time-series forecasting models using Prophet Model and langchain for Walmart's financial systems; integrated advanced outlier detection and feedback loops to optimize adaptive forecasting precision.
  • Data Engineering: Architected the 5 Line PnL Application, streamlining complex financial data ETL flows and ensuring high-fidelity accuracy for executive business analytics.
  • Platform Migration (Sam's Club): Led the end-to-end migration of the Store Resource Service Manager. Architected the transition of Slot Creation and Management systems, responsible for processing store-level metadata and automating slot template attachment for global store operations.
  • Distributed Data Processing: Utilized Akka Persistence to ensure reliable message processing and state recovery across distributed nodes, ensuring zero data loss in high-throughput financial pipelines.
  • Infrastructure as Code: Automated cloud infrastructure with Terraform, managing multi-region deployments, robust scaling, and disaster recovery for enterprise-grade applications.
  • Leadership: Mentored junior engineers in reactive programming and distributed systems design, fostering a culture of high-performance engineering.

Onuro.AI

AI Engineer

Jan 2025 — Nov 2025
  • Spearheaded development of Onuro, an AI Coding Assistant that integrates with JetBrains IDEs, leading the integration of multiple LLM agents for actionable, AI-driven insights.
  • Built a vector-based semantic code search and recommendation system, encapsulated in a JetBrains plugin, boosting developer productivity and code navigation efficiency.
  • Developed and enhanced the chat screen UI, ensuring seamless integration and user experience across multiple IDE environments.
  • Engineered the Onuro JetBrains and VS Code plugin, enabling full-featured integration of Onuro's AI capabilities with the entire suite of JetBrains IDEs.

Open Source Contribution

Layers

A simple util built to help optimize Spark reads.

This library is helpful when it comes to partition pruning — applying filter clauses on partition columns to reduce data scan and speed up queries.

Education

BIT MESRA, RANCHI

B.E. in Computer Science & Engineering

2021 | CGPA: 8.46

JVM SHYAMALI, RANCHI

High School

2017 | 95%

Expertise

Programming

JavaScalaPythonJavaScriptTypeScript

Technologies

Apache KafkaTerraformCloud FunctionsBigQueryPineconeDBSQLNoSQL

Frameworks

Akka ActorAkka StreamsAkka-gRPCApache SparkSeleniumNext.js

Tools & Skills

Prompt EngineeringVector SearchRAG SystemsClaude CodeAgentic AIKubernetesCI/CD

Links

Interests

Playing GuitarPlaying DrumsTravelling