RajKumar Ramavath
Senior Software Engineer
About
Senior Software Engineer with 7+ years of experience, including 5+ years at Amazon, building large-scale distributed backend systems. Strong ownership across authentication platforms, event-driven pipelines, ML/GenAI systems, and infrastructure as code on AWS. Passionate about designing reliable, scalable systems and solving complex engineering problems.
Work Experience
Amazon
Seattle, USA
January 2025 – January 2026
Software Development Engineer II
Worked as an SDE II in Seattle on a global, security-critical authentication platform serving Amazon employees worldwide, gaining international experience on large-scale distributed systems.
Highlights
- Contributed to the core authentication service for Amazon’s internal AtoZ platform used by ~1M active employees globally.
- Worked on a highly available, low-latency authentication architecture built on API Gateway, Application Load Balancer, and ECS.
- Implemented and maintained OIDC Authorization Code flows integrating with MIDWAY, Amazon’s internal identity provider, enabling secure single sign-on (SSO).
- Designed and provisioned frontend infrastructure using CloudFront and Lambda@Edge to enable secure edge-level request handling and optimized global access.
- Improved operational visibility through comprehensive monitoring and alerting, enabling faster detection and mitigation of authentication issues.
- Owned infrastructure provisioning and configuration using AWS CDK (TypeScript), ensuring consistent and secure deployments across environments.
Amazon
Hyderabad, India
April 2023 – December 2024
Software Development Engineer II
Promoted to SDE II in Hyderabad, owning backend and ML/GenAI systems focused on employee experience and operational efficiency.
Highlights
- Promoted from SDE I to SDE II based on consistent ownership, system design contributions, and delivery impact.
- Designed and owned a sentiment scoring platform for payroll support tickets to help operations teams prioritize cases.
- Built a high-throughput, event-driven pipeline processing ~20,000 tickets per day with multiple update events per ticket.
- Implemented a decoupled ingestion workflow using SNS → SQS → Lambda for scalable asynchronous processing.
- Developed logic combining ML-based sentiment analysis using AWS Comprehend with static rule-based scoring.
- Led adoption of Generative AI-based sentiment scoring by designing a REST-based microservice backed by AWS Bedrock (Claude models).
Amazon
Hyderabad, India
February 2021 – March 2023
Software Development Engineer I
Joined Amazon as an SDE I and built foundational event-driven and ML-backed systems in the payroll domain.
Highlights
- Designed and built an event-driven payroll anomaly detection platform to identify irregularities and provide early insights for upcoming pay cycles.
- Developed a serverless, REST-based architecture where payroll files uploaded via a client portal triggered automated processing workflows.
- Implemented S3-triggered Lambda pipelines orchestrated using AWS Step Functions for fault-tolerant asynchronous execution.
- Built multi-stage data pipelines to transform payroll data and generate inference results.
- Designed and implemented automated training workflows invoking SageMaker training pipelines followed by batch inference jobs.
- Implemented end-to-end observability using CloudWatch and contributed to operational stability.
Tericosoft
India
August 2020 – January 2021
Software Engineer
Worked on real-time, interactive platforms for virtual events.
Highlights
- Designed and developed a gaming-style virtual gathering platform enabling ~50 concurrent users.
- Built a microservices-based backend architecture using RabbitMQ for asynchronous communication.
- Integrated Twilio Video APIs for real-time video conferencing.
- Developed WebSocket-based services for low-latency user communication.
Bintix
India
January 2019 – June 2020
Software Engineer
Early startup engineer owning backend, analytics, and data processing platforms.
Highlights
- Designed and built admin dashboards and REST APIs supporting ~6,000 customers across 3 cities.
- Developed a QR-based waste management system increasing operational efficiency by ~150%.
- Integrated Cashfree payout APIs for instant merchant disbursements.
- Built reporting and analytics modules tracking 20+ agents and 50+ communities.
- Built data processing pipelines to scan and classify 200K+ SKUs using Python-based computer vision.
- Optimized SQL queries reducing database costs by ~20%.
Projects
- Automated Options Trading & Risk Management Platform: A high-performance, event-driven backend system built in Go with strong focus on concurrency, correctness, and fault tolerance.
Education
-
2014 2018
Indian Institute of Technology (IIT) Bombay
Bachelor of Technology (B.Tech)
Metallurgical Engineering & Materials Science
Skills
Backend & Distributed Systems
Advanced
Go
Java
Python
Typescript
Distributed Systems
Microservices
Event-driven Architecture
Concurrency
System Design
Cloud & Infrastructure
Advanced
AWS
API Gateway
Lambda
ECS
SQS
SNS
CloudFront
IAM
AWS CDK
CloudWatch
DynamoDB
Frontend
Intermediate
React.js
Javascript
React Native
Angular
Next.js