Summary
Overview
Work History
Education
Skills
Timeline
Generic

Muttashim Sarkar

Hyderabad

Summary

Software Development Engineer with 4.5+ years of experience, specializing in scalable data solutions and optimizing resource efficiency. Proven expertise in leveraging AWS to enhance cost effectiveness and developing sophisticated data aggregation platforms that meet diverse client needs. Adept at mentoring junior engineers and contributing to the recruitment process, fostering a collaborative team environment. Proficient in a variety of programming languages including JavaScript and Python, with a strong focus on GraphQL to drive innovative software development. Committed to delivering high-quality, reliable systems that enhance operational performance.

Overview

5
5
years of professional experience

Work History

Software Development Engineer 2

Amazon
Hyderabad
10.2022 - Current
  • Designed and implemented a scalable data aggregation platform deployed on ECS Fargate using Docker, extending GraphQL with JavaScript resolvers. Integrated GraalVM to virtualize and execute guest JavaScript code within a Java application, enabling dynamic resolver execution for advanced API aggregation. Architected a federation model for independent service development and deployment while supporting runtime schema updates and resolver changes through S3-based polling, ensuring flexibility and extensibility.
  • Optimized AWS resource usage, increasing cost efficiency from 60% to over 90%, and contributed to resource cost planning.
  • Developed a rate limiter for data aggregation services, improving resource stability and management.

Software Development Engineer I

Amazon
Hyderabad
08.2020 - 10.2022
  • Designed and implemented scalable data pipelines, leveraging DynamoDB for high-throughput transactional storage and Redshift for analytical processing, enabling efficient ETL workflows that processed over 20M records daily for financial reconciliation. Built fault-tolerant ingestion mechanisms using AWS Lambda, SQS, and Kinesis, ensuring data integrity, low-latency processing, and seamless integration between real-time and batch processing systems.
  • Enhanced a page rendering platform with localization and SDK integration for client-side functionality.
  • Designed and implemented a retry mechanism and request validation, ensuring reliability and data integrity across services.

SDE Intern

Amazon
Hyderabad
01.2020 - 07.2020
  • On-boarded 19 business models to a data aggregator platform, enhancing customer concession capabilities through policy engine extensions

Education

B. Tech - Computer Science

Heritage Institute of Technology
Kolkata
07.2020

Skills

  • Distributed Systems
  • Java
  • JavaScript
  • TypeScript
  • Python
  • NodeJS
  • Docker
  • GraalVM
  • Spring
  • RPC
  • GraphQL
  • Git
  • DynamoDB
  • Redshift
  • SQL
  • AWS EC2
  • AWS ECS
  • AWS CDK
  • AWS Lambda
  • AWS IAM
  • AWS KMS
  • AWS Kinesis
  • AWS VPC
  • AWS SNS
  • AWS SQS
  • AWS CloudFront

Timeline

Software Development Engineer 2

Amazon
10.2022 - Current

Software Development Engineer I

Amazon
08.2020 - 10.2022

SDE Intern

Amazon
01.2020 - 07.2020

B. Tech - Computer Science

Heritage Institute of Technology
Muttashim Sarkar