Sahil Shah

Backend Engineer

Mumbai, Maharashtra, India8 yrs 5 mos experience

Highly Stable

Key Highlights

96% reduction in query execution time
60% fewer timeout failures
99.9% delivery reliability across platforms

Stackforce AI infers this person is a Backend Engineer specializing in SaaS and Fintech with a focus on high-throughput systems.

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Skills

Core Skills

JavaSpring Boot

Other Skills

Java 21Google GuiceMongoDBAWS S3Azure Blob StorageApache KafkaSpring Cloud GatewayPostgreSQLRedisDockerOracle DBIBM MQIBM DB2Spring CloudHibernate

About

Senior Backend Engineer with 8.5+ years building high-throughput distributed systems in Java. Track record of delivering measurable impact — 96% query execution time reduction, 60% fewer timeout failures, and 99.9% delivery reliability across enterprise platforms processing data for millions of users. Currently at CleverTap as Tech Lead – Backend (IC), architecting ML-driven prediction platforms and behavioral segmentation engines across 10,000+ customer accounts. Previously at Morgan Stanley, built secure integration gateways and microservices for the Legal Contracts Management Platform using Spring Cloud Gateway + Apache Kafka. Core stack: Java (8–21), Spring Boot, Spring Cloud Gateway, Google Guice, Apache Kafka, MongoDB, PostgreSQL, Redis, AWS, Azure, Docker, Kubernetes. Certified: Oracle Certified Professional Java Programmer (OCPJP) | Microsoft Azure Fundamentals (AZ-900) Open to Software Engineer / Senior Software Engineer roles at top-tier product companies.

Experience

8 yrs 5 mos

Total Experience

2 yrs 1 mo

Average Tenure

Current Experience

Clevertap

Team Lead - Backend Engineer

Dec 2024 – Mar 2026 · 1 yr 3 mos · Mumbai · Hybrid

Architected Java backend for ML-driven prediction platform processing event data for hundreds of millions of user profiles across 10,000+ customer accounts.
Implemented adaptive multi-phase query execution with intelligent sampling, reducing timeout failures by 60% and improving ML training data quality.
Optimized user reachability workflows with precomputed datasets, cutting query execution time by 96% (15 min → 30 sec) for enterprise customers.
Designed cloud-agnostic storage layer (AWS S3, Azure Blob Storage) with factory pattern abstraction and mock S3 for local development; implemented Future-based async upload optimization for hot segment exports.
Built behavioral segmentation query engine on MongoDB clusters with optimized query parsing, null-safe casting, and exclusion filters; implemented role-based access control (Teams V2) using AOP interceptors across 15+ endpoints.
Owned backend architecture for high-volume customer data platforms with strong focus on scalability, reliability, and performance.
Tech: Java 21, Spring Boot, Google Guice, MongoDB, AWS S3, Azure Blob Storage, Apache Kafka

Java 21Spring BootGoogle GuiceMongoDBAWS S3Azure Blob Storage+2

Morgan stanley

3 roles

Senior Manager

Jan 2024 – Oct 2024 · 9 mos

Architected secure integration gateway between TeamConnect and iManage using Spring Cloud Gateway + Apache Kafka, enabling automated document workflow synchronization with 99.9% delivery reliability.
Built and owned 4 backend microservices for the Legal Contracts Management Platform serving 50,000+ legal matters, ensuring data consistency through idempotent event processing and dead-letter queue retry mechanisms.
Reduced average API response times by 40% through database query tuning, connection pool optimization, and strategic Redis caching layers.
Conducted 50+ technical interviews (system design, coding, behavioral) and drove adoption of clean code practices, SonarQube compliance, and SOLID design principles across the team.
Tech: Java, Spring Boot, Spring Cloud Gateway, Apache Kafka, PostgreSQL, Redis, Docker

JavaSpring BootSpring Cloud GatewayApache KafkaPostgreSQLRedis+1

Manager

Promoted

Jan 2022 – Jan 2024 · 2 yrs

Designed and developed backend systems for the enterprise Contracts Management Platform, serving as the central system for legal operations across the firm.
Took full ownership of backend services and integrations connecting multiple SaaS platforms (TeamConnect, iManage), ensuring data consistency through idempotent processing and retry mechanisms.
Led system design and backend architecture decisions for critical services, focusing on reliability, performance optimization, and clean separation of concerns.
Contributed to engineering best-practice initiatives including SonarQube adoption, code review standards, and SOLID design principles. Conducted technical interviews alongside hands-on development.
Tech: Java, Spring Boot, Spring Cloud Gateway, Apache Kafka, PostgreSQL, Oracle DB

JavaSpring BootSpring Cloud GatewayApache KafkaPostgreSQLOracle DB

Senior Associate

Jul 2020 – Jan 2022 · 1 yr 6 mos

Developed backend components for the enterprise Contracts Management Platform supporting legal operations, processing and managing thousands of legal matters.
Implemented integrations with external SaaS platforms, focusing on data consistency, system reliability, and error handling with dead-letter queues.
Improved system stability by debugging and resolving critical production issues, reducing operational incidents and improving uptime.
Refactored legacy backend systems to improve performance, readability, and long-term maintainability, achieving measurable reductions in code complexity.
Tech: Java, Spring Boot, PostgreSQL, Oracle DB, IBM MQ

JavaSpring BootPostgreSQLOracle DBIBM MQ

Shop101 - #1 online selling app

Software Development Engineer

Jul 2019 – May 2020 · 10 mos · Mumbai, Maharashtra

Developed and scaled backend services for core e-commerce features in a high-traffic platform handling 100K+ daily transactions.
Implemented OTP-based authentication and in-app updates, increasing user retention by ~40%.
Migrated file storage (images, labels, thumbnails) to AWS S3 with lifecycle policies, reducing storage costs by 25% and achieving 99.99% availability.
Revamped wholesaler management workflows, improving supplier experience and reducing response times by ~20%.
Refactored SMS and push notification pipelines to improve delivery consistency and reliability.
Tech: Java, Spring Boot, AWS S3, MongoDB

JavaSpring BootAWS S3MongoDB

Interactive brokers

Junior Software Engineer

Jun 2017 – Jul 2019 · 2 yrs 1 mo · Mumbai

Developed and enhanced backend components of Banking and Cashiering systems within the Clearing module, processing thousands of daily financial transactions with zero data loss.
Built generic multi-format parsers (CSV, XML, fixed-width) for bank statement processing, reducing manual processing time by 70% and improving system robustness.
Worked on time-critical and high-throughput modules, improving processing efficiency and system reliability.
Refactored legacy code to improve performance, modularity, and maintainability. Collaborated closely with senior engineers to debug production issues.
Tech: Java, IBM DB2, Oracle DB

JavaIBM DB2Oracle DB