Hey, I am

Stephen Jakku

Software Development Engineer with 6+ years of experience building large-scale distributed systems. Currently at Amazon working on Ads infrastructure and LLM-powered platforms. Strong in Java, AWS architecture, and full-stack development.

Education

Academic background and qualifications

California Institute of Advanced Management

Master of Business Administration — MBA

Jan 2026 – Present

California State University, Long Beach

Master of Science — Computer Science

Aug 2021 – Dec 2022

CVR College of Engineering

Bachelor of Technology — Information Technology

Aug 2013 – Apr 2017

Skills

Technologies and tools I work with

Java

Python

TypeScript

JavaScript

SQL

Bash

Spring Boot

FastAPI

GraphQL

Node.js

React

Next.js

Tailwind CSS

Redux

AWS

Docker

GitHub Actions

Jenkins

AWS CDK

PostgreSQL

MySQL

Linux

MuleSoft

Experience

Software Development Engineer

Amazon · Ads Marketplace — OACES & Cybertron

Seattle, WA

Jun 2024 – Present

›Built backend services generating customer-target lists for global marketing campaigns (Email, UI, WeChat), integrating with downstream Delivery systems.
›Modernized legacy services by executing JDK 8→17 migration, enabling full CD pipelines, and migrating Netscaler load balancers to Tardigrade.
›Developed the "Where's My Notification" (WMN) dashboard using Amazon Quicksight, Redshift, and Kinesis, reducing notification-related support tickets by 40%+.
›Resolved a Sev2 DynamoDB hot partition incident by redesigning key access patterns and introducing caching to restore availability under load.
›Built Cybertron, an LLM-based Text-to-SQL platform, with a React + TypeScript + Cloudscape frontend and Java (Smithy, API Gateway, ALB, ECS) backend using DynamoDB and S3.
›Designed Phase-2 middleware integrating Bedrock AgentCore via asynchronous prompt processing and wrote the high-level design for migrating from polling to WebSocket-based token streaming.

Software Development Engineer

Amazon Web Services · Redshift Serverless

Seattle, WA

Jul 2023 – Jun 2024

›Built core components of Online Failover, enabling usage-based billing by orchestrating pause/resume workflows for underlying compute infrastructure.
›Implemented jitter-based idle detection (±10%) to prevent artificial heartbeat pings and enforce accurate compute billing.
›Optimized the Deep Resume workflow by parallelizing recovery stages, reducing cold-start latency by approximately 40–50 seconds.
›Designed and launched a Priority-Based Patching system, reducing clusters lagging more than three engine versions behind by 99%.
›Served as primary oncall for failover workflows, owning p99 latency monitoring, regression analysis, and cross-service incident resolution.

DevOps Engineer

Florida Power & Light (FPL)

Remote, USA

Apr 2023 – Jul 2023

›Automated deployments using GitHub Actions and performed bi-weekly production releases across multiple environments.
›Upgraded infrastructure from AWS CDK v1 to v2 and updated Docker runtime versions; authored migration and troubleshooting documentation.
›Built and maintained AWS infrastructure using CDK, including IAM, S3, DynamoDB, CloudFront, VPC, ALB, and API Gateway.

Software Engineer

Accenture

Hyderabad, India

Mar 2018 – Jul 2021

›Led DevOps automation and CI/CD initiatives for enterprise clients, mentoring a team of 5 DevOps engineers.
›Developed Python, Shell, and Groovy automation tooling including active-user detection scripts that reduced Bitbucket licensing costs by 50%.
›Delivered 250+ integration solutions using IBM Integration Bus and MuleSoft, and deployed 300+ APIs and applications to production.
›Automated migration of 2,000+ repositories from CVS to Bitbucket with full commit history preserved.

Projects

Indimitra

Full-stack multi-store Indian grocery delivery platform with a FastAPI + Strawberry GraphQL backend and React + TypeScript + Tailwind frontend. Containerized with Docker and deployed on AWS behind Nginx.

FastAPIGraphQLReactTypeScriptPostgreSQLDockerAWS

Spotify Clone

Responsive single-page app replicating core Spotify functionalities — authentication, playlists, and playback — using Next.js, Tailwind CSS, Spotify API, and NextAuth.

Next.jsTailwind CSSSpotify APINextAuthRecoil

Full-Stack Social App

Social media web app where users can register, upload pictures, like posts, view comments, and manage friends. Built on the MERN stack with JWT auth and Redux state management.

MongoDBExpressReactNode.jsReduxJWT