---
title: "Sanjeev Ranjan - Engineering Manager II in Mumbai | Tal"
description: "Meet Sanjeev Ranjan, AI / ML Leader | Building Real-Time AI Systems | IIT Bombay | Stanford based in Mumbai."
image: "https://tal.club/meet/sanjeev-ranjan/share-image"
---

# Sanjeev Ranjan on Tal

## Headline

AI / ML Leader \| Building Real\-Time AI Systems \| IIT Bombay \| Stanford

## About

Experienced engineering leader with 14 years of hands\-on expertise across the financial, services, and product domains\. I specialize in building high\-performance, low\-latency distributed systems in the cloud, leveraging modern tech stacks including Java, Scala, Python, AWS, Spark, and core principles of LLD, HLD, DSA, AI/ML, and Data Science\. 💡 A tech evangelist at heart, I’m passionate about designing systems that are not only technically sound but also user\-centric and scalable\. I bring a deep understanding of system design, data structures, and engineering best practices—ensuring that speed, reliability, and maintainability are never compromised\. 👥 As a leader, I champion empathy\-driven leadership and foster cultures rooted in trust, collaboration, and engineering excellence\. I take pride in mentoring engineers and building high\-performing teams that deliver impactful, habit\-forming products at scale\. 🚀 I’ve led squads that built end\-to\-end tech products with world\-class customer experiences, giving me unique insight into what works \(and doesn’t\) at every level of scale\. ✅ I’m a strong believer in: • First\-principles thinking • Best\-in\-class DevOps & quality control practices • Time and priority management • Driving long\-term impact through high\-quality software and great teams Let’s connect if you’re passionate about solving complex problems, building great products, or growing world\-class engineering teams\.

## Location

Mumbai

## Work experience

Engineering Manager II at HERE Technologies, May 2022 \- Present · 4 yrs, Mumbai, • Leading cross\-functional multiple teams of 12 engineers & data scientists to design and deploy highly scalable microservices and distributed data pipelines on AWS, delivering large\-scale architecture with system reliability, fault tolerance, and high availability for HERE’s 2D/3D mapping platforms\. • Architected and delivered a Source Metering Service with predictive auto\-scaling, reducing compute costs by 25% and normalizing latency during peak loads\. • Directed the design and development of an Overhead Imagery Service serving 10M\+ images daily \(10PB scale\) to 50K\+ global consumers\. • Achieved $2M AWS cost savings by building analytics on object storage usage and applying optimized lifecycle policies to 500M\+ S3 objects\. • Engineered ingestion capabilities for high\-quality LiDAR, Imagery, and GPS data, enabling advanced 2D/3D map prod\- ucts and driving $500M\+ revenue impact\. • Re\-architected the HERE True Ingestion System, improving performance by 25% and cutting operational costs by $20K/month\. • Built and led a new team to seed petabyte\-scale map feature data into a next\-gen pipeline, creating a generic bulk batch processing framework and reducing latency from 2 days to 4 hours\. • AWS, EC2, S3, EMR, Java, Scala, Python, Numpy, Zookeeper, MySQL, Kubernetes, Docker , Akka

Director \| Sr\. Engineering Manager at Morgan Stanley, Aug 2020 \- May 2022 · 1 yr 10 mos, Mumbai, Maharashtra, India, • Led a 4\-member engineering team to build large\-scale trading platforms, partnering with business stakeholders to define roadmaps and deliver distributed systems design, high\-availability architecture, fault tolerance, observability, and site reliability for mission\-critical applications\. • Architected and implemented an event\-driven RFQ system for options trading, boosting performance by 25% with Reactive Java, Scala, and Kafka, ensuring scalable, low\-latency processing across global markets\. • Re\-architected a legacy multi\-asset trading platform \(options, futures, convertible bonds\) by migrating from C\+\+/C to the JVM stack, modernizing infrastructure, improving scalability, and reducing operational risk\.

Sr\. Analyst Programmer at Bank of America Merrill Lynch, Sep 2018 \- Aug 2020 · 2 yrs, Mumbai, Maharashtra, India, • Built Scala/Java infrastructure for Delta One trading strategies, directly impacting $250M\+ in annual revenue\. • Developed asynchronous RESTful services using Play Framework, enabling low\-latency processing and enrichment of 2M\+ daily trades with commissions and confirmation data\. • Delivered an Equity Swaps automation project, enriching terms & conditions for trades and reducing operational pro\- cessing time from hours to minutes via STP \(Straight\-Through Processing\) flows\.

Associate at MSCI Inc\., Mar 2016 \- Sep 2018 · 2 yrs 7 mos, Mumbai Area, India, • Developed and enhanced Index Portfolio applications for MSCI’s unified product, ensuring scalability, reliability, and business continuity\. • Built Java/J2EE and Spring\-based applications with ETL pipelines to extract, transform, and load high\-quality vendor\- to\-downstream financial data\. • Implemented UI\-driven quality checks using Ext JS and GWT, improving accuracy and reliability of data workflows\. • Applied optimized data structures, algorithms, and rigorous SDLC practices to deliver efficient, maintainable, and high\- performance systems\.

## Education

PG, Artificial Intelligence & Data Science, Indian Institute of Technology, Bombay

Engineering Leadership Program, Stanford University

[View the original profile](https://tal.club/meet/sanjeev-ranjan)

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