---
title: "Manthan Bhatia - Back End Developer in Pune District | Tal"
description: "Meet Manthan Bhatia, Backend Engineer @ Boomerang | Java | Spring Boot | Node.js | AWS | gRPC | Apache Beam | Flink | Distributed Systems | Event-Driven Architecture based in Pune District. AI stack includes anthropic apis, claude code, and claude."
image: "https://tal.club/meet/manthan-bhatia/share-image"
---

# Manthan Bhatia on Tal

## Headline

Backend Engineer @ Boomerang \| Java \| Spring Boot \| Node\.js \| AWS \| gRPC \| Apache Beam \| Flink \| Distributed Systems \| Event\-Driven Architecture

## About

I'm a Backend Engineer at Boomerang, building AI\-powered sales intelligence platforms that process millions of records daily\. As one of the founding engineers, I’ve architected our entire microservices ecosystem from the ground up — scaling it from zero to production\-level reliability and performance\. I specialize in building enterprise\-scale GraphQL APIs and reactive microservices using Spring Boot 3\.x, Java 21, and cloud\-native architectures\. My focus lies in designing high\-performance distributed systems that handle complex integrations — from orchestrating 50\+ gRPC services with Camunda BPM to powering real\-time CRM syncs across Salesforce, HubSpot, and SalesLoft\. 🧠 Recent Highlights: Reduced query latency by 40% using DataLoader patterns and Redis caching\. Built AI\-powered data enrichment features using OpenAI GPT\-4 and Azure AI, achieving 95%\+ enrichment accuracy\. Led initiatives to improve observability and reliability across distributed systems using OpenTelemetry and Kubernetes\. 💡 I’m passionate about solving distributed systems challenges, optimizing performance, and leveraging AI to automate complex workflows\. Tech Stack: Java 21 · Spring Boot / WebFlux · GraphQL · TypeScript · Kubernetes · AWS \(EKS, Lambda, SQS\) · MongoDB · PostgreSQL · Redis · Camunda · Apache Camel · Keycloak · OpenTelemetry 🌐 Portfolio: https://manthan8219\.vercel\.app

## Location

Pune District

## AI stack

anthropic apis

claude code

claude

codex

cursor

langchain

langfuse

langgraph

mcp

n8n

ollama

openai

opencode

## Work experience

Back End Developer at Boomerang, Mar 2023 \- Present · 3 yrs 5 mos, Pune, Maharashtra, India, • Architected enterprise\-scale GraphQL API gateway using Apollo Server 4\.x, integrating 25\+ microservices through gRPC Protocol Buffers, reducing query latency by 40% with DataLoader patterns and Redis caching • Built AI\-powered sales intelligence platform with OpenAI GPT\-4 Turbo and Azure AI, achieving 95%\+ contact data enrichment rates while processing millions of records through Apache Beam ETL pipelines • Designed reactive microservices architecture using Spring WebFlux, managing 50\+ gRPC services and Camunda BPM automation with 100\+ concurrent jobs for real\-time CRM synchronization \(Salesforce, HubSpot, SalesLoft\) • Engineered multi\-database architecture supporting 12\+ MongoDB databases, PostgreSQL, MySQL, and Redis with Spring Data JPA, R2DBC reactive access, and HikariCP connection pooling for optimal performance • Developed cloud\-native infrastructure on AWS Kubernetes \(EKS\) with Helm charts, Lambda serverless functions, SQS message queues, and Infrastructure as Code using Terraform • Implemented enterprise security with Keycloak SSO, OAuth2/JWT authentication, Spring Security, RBAC, and multi\-tenant architecture across all microservices • Established observability ecosystem using OpenTelemetry, Jaeger distributed tracing, Prometheus metrics, and Grafana dashboards achieving 99\.9% system uptime • Built AI agent framework using LangChain and LangGraph for autonomous task execution, handling complex workflows with 50\+ integrated tools and external APIs • Designed event\-driven architecture with Apache Camel for enterprise integration patterns, webhook processing, and asynchronous job scheduling • Implemented comprehensive data migration pipelines using Apache Beam, handling millions of records with batch processing, transformation, and validation logic

Software Engineer at Buyerassist\.io, Jul 2022 \- Mar 2023 · 9 mos, • Developed comprehensive GraphQL API server using TypeScript and Express\.js with DataLoader patterns for N\+1 query optimization and efficient batch loading • Engineered multi\-database architecture integrating DynamoDB, MongoDB, and MySQL with efficient data access patterns, connection pooling, and query optimization • Led critical user migration from MongoDB to Keycloak identity management system with zero\-downtime migration strategy, OAuth2/OIDC integration, and seamless authentication flow • Mastered AWS cloud ecosystem including ECS container orchestration, Route53 DNS management, S3 object storage, CloudFront CDN, RDS managed databases, ElastiCache Redis, and ECR container registry • Built REST APIs with Express\.js and Node\.js, implementing authentication middleware, request validation, error handling, and API documentation • Collaborated with cross\-functional teams using Agile methodologies, participating in sprint planning, code reviews, and technical design discussions

Software Developer Internship at Nagarro, Jan 2022 \- Jul 2022 · 7 mos, Gurugram, Haryana, India, • Completed intensive 6\-month software development training program in Java, Spring Boot, Spring Security, and enterprise application development • Built foundational expertise in Node\.js, AngularJS, MongoDB, PostgreSQL, and full\-stack web development • Implemented Spring Web Security with JWT authentication, role\-based access control, and secure API development best practices • Developed hands\-on experience with RESTful API design, database modeling, and MVC architecture patterns

Summer Intern at Virtually Testing Foundation, Jan 2021 \- Mar 2021 · 3 mos

## Education

Bachelor of Technology \- BTech, Computer Science, Lovely Professional University

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

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