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Available for opportunities

Full Stack Engineer

Building scalable systems with 8+ years of expertise across fintech, healthcare & SaaS

Get In TouchView My Work
01 / About

Who I Am

Senior Full Stack Engineer with 8+ years of experience architecting and scaling cloud-native, distributed systems across fintech, healthcare, and SaaS domains. Specialized in React, Node.js, AWS, and microservices architecture, delivering high-availability platforms capable of handling 10x production traffic growth. Strong background in API design (REST/GraphQL), performance optimization, secure system architecture, and CI/CD automation.

8+
Years Experience
10+
Projects Delivered
6
Hackathon Projects
AWS
AWS Certified Solutions Architect
Amazon Web Services · 2023 - 2026

Technical Arsenal

F

Frontend

JavaScript (ES6+)TypeScriptReactReact NativeNext.jsElectronJSReduxHTML5CSS3
B

Backend

Node.jsExpress.jsJavaREST APIsGraphQLMicroservices
C

Cloud & DevOps

AWS (EC2, S3, Lambda)DockerCI/CD PipelinesJenkinsServerless
D

Database

PostgreSQLMySQLMongoDBRedis
C

Core

Distributed SystemsSystem DesignScalabilityPerformance OptimizationSecure ArchitectureAgile/Scrum
02 / Experience

Work Timeline

Lead Engineer

Fluent Health

April 2024 – August 2025·Mumbai, India
  • Architected and led development of HIPAA-aligned, FHIR-compliant cloud-native healthcare platforms using Node.js, Java, and AWS.
  • Designed and implemented microservices architecture supporting 10x traffic growth while maintaining high availability and system reliability.
  • Led system design, API architecture, code reviews, and CI/CD automation to improve release stability and deployment efficiency.

Senior Software Engineer

Presidio

November 2021 - April 2024·Chennai, India (Remote)
  • Designed and maintained enterprise product solutions used across 1,400+ retail stores.
  • Migrated monolithic systems to microservices architecture, improving maintainability and deployment efficiency.
  • Built cross-platform applications (web, mobile, desktop) using React, React Native, and ElectronJS.

Full Stack Developer

Brewhackers Technologies

May 2020 - October 2021·Hyderabad, India (Remote)
  • Built full-stack analytics and event-driven platforms processing high-volume social and financial data.
  • Developed dynamic React interfaces and high-availability Node.js backend services.

Full Stack Developer

Headstrait Softwares

June 2019 - May 2020·Mumbai, India
  • Developed secure APIs, dashboards, and content delivery systems for healthcare and banking clients.
  • Delivered scalable backend services supporting real-time personalized user experiences.

Technical Support Associate III

Convergys

October 2014 - November 2018·Thane, India
  • Automated analytics and reporting systems, increasing uptime and KPI accuracy by 25%.
  • Enhanced backend monitoring and reliability for enterprise messaging systems.
03 / Work

Selected Projects

Fluent Health

Fluent Health Website

Led the redesign and migration of the marketing website with full SEO optimization and CRM migration, improving organic traffic and lead conversion.

Next.jsReactNode.jsSEO+1

Console App (Patient & Doctor Portal)

Architected and built an internal application for patient management, doctor scheduling, and event coordination — a HIPAA-compliant platform powering day-to-day healthcare operations.

ReactNode.jsFHIR R4AWS+1

Presidio

Ulta Beauty

Worked on the guest-facing application and built new features for 1,400+ stores. Led a major migration from Kronos scheduling system — a critical success. Added week and month view schedules and appointment features.

ReactNode.jsJavaMicroservices+1

Greenway Health

Developed healthcare interoperability solutions using FHIR R4 standards, building ETL pipelines and integrating clinical data across systems.

Node.jsJavaFHIR R4ETL+1

Alianza

Built a branded meeting application for web, mobile, and desktop using the Amazon Chime SDK, enabling white-label video conferencing.

ReactAmazon Chime SDKNode.jsWebRTC

Tenerity

Added new features to the web application, collaborating directly with AWS professionals on cloud architecture and frontend performance.

ReactAWSNode.jsREST API

PGA Tour

Built automated reporting pipelines to generate and deliver tournament and performance report files using Jasper Reports.

JavaNode.jsJasper ReportsREST API

Brewhackers Technologies

Pondr

A mobile-first, text-based social media platform. Handled the entire backend, cloud infrastructure, and contributed to mobile app features.

FlutterNode.jsGraphQLTypeScript+1

Gist

A mobile app that condenses long-form articles into screen-sized summaries with references to original sources, curated by an expert content writing team.

FlutterNode.jsGraphQLJavaScript+1

Headstrait Softwares

HSDB Banking Application

Developed a secure banking application with APIs, dashboards, and real-time transaction processing for financial clients.

ReactNode.jsPostgreSQLREST API+1

CrickBuzz & StockIt

Built a cricket live-score tracking platform and a real-time stock tracking application, delivering personalized experiences with integrated web and backend solutions.

ReactNode.jsWebSocketREST API+1
04 / Education

Education & Credentials

Education

Masters in Information Science

Indiana Institute of Technology

March 2025 - May 2026 (expected) · Indiana, USA

Bachelor of Engineering, Information Technology

University of Mumbai

2016 - 2019 · Mumbai, India

Diploma, Information Technology

MSBTE

2011 - 2014 · India

Certification

AWS Certified Solutions Architect

Amazon Web Services

2023 - 2026

Leadership

  • President of Cricket Club, Indiana Tech
  • Vice President of International Club, Indiana Tech
  • Campus environmental & cultural leader, Mumbai
05 / Contact

Let's Work Together

I'm always open to discussing new opportunities, collaborations, or just having a chat about technology.

contact@yatin-kalra ~ %
yatin.kalra940@gmail.com
+1 (260) 363-7866Indiana, USA