JayaShankar Mangina

Software Engineer

Passionate about building scalable applications and solving complex problems

About Me

Profile Image

Software Engineer with 5+ years designing and delivering cloud-native microservices on Java & AWS; drove 100% data integrity and cut device-tracking time by 40% at Amazon, and slashed client emissions by 60% with 100% test coverage at AWS. Expert in Spring Boot, React, Docker, Kubernetes, and CI/CD pipelines—adept at architecting high-performance, user-centric solutions. Collaborative leader who mentors teams, automates workflows, and aligns technical excellence with strategic goals. Passionate about clean code, continuous innovation, and driving measurable business impact. Ready to partner on your next breakthrough and build software that scales with your vision.

Technical Skills

Languages

Java
Python
JavaScript
Swift
TypeScript

Frameworks & Libraries

Spring Boot
React
Node.js
Django
SwiftUI

Tools & Technologies

AWS
Docker
Kubernetes
CI/CD
PostgreSQL/MongoDB

Featured Projects

Community Emergency Response Team

Community Emergency Response Team (CERT)

Spearheaded development of an iOS app for real‑time emergency response and rescue coordination, decreasing response times by 40% across multiple incidents.

Swift SwiftUI UIKit iOS SDK
Pic‑to‑Send iOS App

Pic‑to‑Send (iOS)

Directed a 6‑member team in designing and developing a real‑time media‑sharing iOS application, reducing file‑transfer latency by 40%.

Swift SwiftUI UIKit Xcode
Full‑Stack PageRank

Google Page‑Rank Algorithm (Full‑Stack)

Directed a cross‑functional team in developing a PageRank algorithm with Python and Apache Flink, improving efficiency by 40% and processing speed by 30%.

Python Apache Flink Kafka Docker

Work Experience

June 2024 – Present

Software Engineer

Amazon – Austin, TX

Spearheaded API contract refactoring with Pydantic-based validations to achieve 100% data integrity and reduce errors to 0.5%; developed an automated device‑discovery UI that cut manual tracking time by 40% across 5,000 devices.

JavaAWSReactPydantic
July 2022 – June 2024

Software Engineer

Amazon Web Services – Seattle, WA

Built a Scope‑3 carbon‑emissions service that slashed client emissions by 60%, implemented 100% integration test coverage (cutting post‑deploy issues by 98%), and designed an AWS Cloudscape UI with a 95% satisfaction score.

AWSPythonCloudscapeTesting
Nov 2019 – Dec 2020

Software Engineer

Cognizant Technology Solutions – Chennai, India

Engineered Spring‑based backend services and dynamic JSP/AJAX front‑ends, boosting performance and load times by 40%; streamlined Maven workflows for 40% faster builds.

Spring BootJavaJSP/AJAXMaven

Education

Master's in Applied Computer Science

Northwest Missouri State University

2021 - 2022

GPA: 3.7/4.0

Bachelor's in Electronics and Communication Engineering

Andhra University

2015 - 2019

GPA: 3.3/4.0

Get In Touch

Prefer email? Drop me a line at jyshnkr.mangina@gmail.com, or submit the form below: