Prabhakara Changala | Senior Software Engineer

About Me

I'm a Senior Software Engineer with 13+ years of proven experience in designing and delivering enterprise-scale applications.

My expertise spans .NET, Angular, Microservices, Cloud Architecture, and building intelligent data platforms using Microsoft Fabric and Power BI.

I have successfully led cross-functional teams, implemented CI/CD pipelines, and architected AI/ML-driven solutions that deliver measurable business impact across healthcare, fintech, and enterprise sectors.

Currently at Hallmark Healthcare as a Senior Software Engineer, driving digital transformation through cutting-edge technologies and best architectural practices.

13+

Years of Experience

10+

Enterprise Projects

Master in AI

Certified — LearnBay Institute

Master of Computer Applications (MCA)

Graduate Degree

Technical Expertise

Specialized knowledge across full-stack development, cloud architecture, data platforms, and AI/ML solutions.

🤖 AI & Machine Learning

NLP, Large Language Models (LLM), Retrieval-Augmented Generation (RAG), Python, TensorFlow, Prompt Engineering

📊 Data & Business Intelligence

Power BI, DAX, RLS, Microsoft Fabric, Lakehouse, Data Modeling, ETL, Data Warehousing, Analytics

⚙️ Backend Development

.NET Core, C#, Web APIs, RESTful Services, Microservices Architecture, SOLID Principles, Design Patterns

🎨 Frontend Development

Angular, TypeScript, RxJS, HTML5, CSS3, UI/UX Design, Responsive Design, Material Design

☁️ Cloud & DevOps

Azure (VMs, App Service, Azure Data Studio), AWS, Docker, Kubernetes, CI/CD Pipelines, GitHub Actions

💾 Databases

SQL Server, Oracle, PostgreSQL, MySQL, Entity Framework, LINQ, Query Optimization, BI Semantics

🏗️ Enterprise Architecture

SDLC, Design Patterns, Microservices, Clean Architecture, Event-Driven Design, Message Queuing

🧪 Quality & Testing

Unit Testing, Integration Testing, NUnit, Moq, TDD, Performance Testing, Fiddler, Swagger

Professional Experience

Progressive career growth in enterprise software development and cloud architecture.

Senior Software Engineer

Hallmark Healthcare

2023 - Present

Leading enterprise application development, cloud migration, and AI/ML integration for healthcare platform serving 50,000+ providers. Architected microservices, implemented CI/CD pipelines, and mentored junior engineers.

Senior Associate

Cognizant Technology Solutions

2018 - 2023

Delivered enterprise solutions for Fortune 500 clients across healthcare and fintech. Tech lead for cross-functional teams, built data analytics platforms, and optimized system performance. 5+ years of progressive responsibility.

Senior Software Engineer

ValueMomentum Inc.

2018

Full-stack development for enterprise mobile and web applications. Implemented RESTful APIs, optimized database queries, and established development best practices for the engineering team.

Senior Software Engineer

ELI Research

2016 - 2018

Developed data analytics solutions and business intelligence platforms. Created BI dashboards, optimized ETL processes, and improved data pipeline performance by 40%.

Software Engineer

United IT

2013 - 2016

Started career building core enterprise applications using .NET framework and SQL Server. Gained solid foundation in object-oriented design, database architecture, and software development life cycle.

Key Projects & Achievements

Solutions that delivered significant business value and technical innovation.

🏥

Healthcare Provider Platform

Designed and built compensation calculation engine serving 50,000+ healthcare providers. Implemented microservices architecture, real-time dashboards, and reduced calculation time by 60%.

.NET Core Azure Power BI Microservices

🤖

CortexGrove – AI Platform

Enterprise AI learning platform with LLM integration, RAG pipeline, and document processing. Built scalable solution for knowledge management and intelligent search capabilities.

LLM/RAG Python Azure AI Langchain

📈

NetrAInsights BI Platform

Enterprise analytics platform with 40+ interactive dashboards. Implemented complex DAX models, RLS security, and real-time data refresh reducing reporting time by 70%.

Power BI DAX SQL Server Fabric

🛣️

BCG Pathways App

Full-stack Angular & .NET application for career development tracking. Implemented secure authentication, role-based access, and real-time notifications for 10,000+ users.

Angular .NET Core Azure AD SignalR

🚗

Mobility Marketplace

Multi-vendor marketplace platform handling 1000+ daily transactions. Built event-driven architecture with message queuing, ensuring 99.99% uptime and scalable performance.

Microservices RabbitMQ AWS Docker

🔧

Microsoft OnePDM

Enterprise Product Data Management system integration. Implemented custom SDKs, data migration scripts, and automated reporting reducing manual effort by 80%.

.NET Enterprise APIs ETL SQL Server