Full-Stack Software Engineer

Pavan Kalyan
Chelama.

Senior engineer with 5+ years building cloud-native enterprise systems on .NET Core, Angular & Azure. From event-driven microservices and gRPC services to RAG-based AI integrations — I architect systems that scale and run reliably in production.

pavan@tcs ~ profile.json
cat profile.json
 
{
  "role": "Information Technology Analyst",
  "company": "Tata Consultancy Services",
  "location": "Frederick, Maryland 🇺🇸",
  "experience": "5+ years",
  "stack": [
    ".NET Core", "Angular",
    "Azure", "Kubernetes",
    "gRPC", "RAG / LLMs"
  ],
  "certs": 15,
  "open_to_work": true
}
 

Experience

Where I've shipped.

Aug 2025 — Present Frederick, MD
On-site
Information Technology Analyst
Tata Consultancy Services

Leading development of cloud-native enterprise applications on Azure. Designing microservices communicating over Azure Service Bus and gRPC, deployments orchestrated via AKS and CI/CD in Azure DevOps. Contributing to RAG-based AI integrations and API gateway management through Azure API Management.

.NET CoreAngularAKSgRPCService BusRAGAzure DevOpsAPIMLLaMAOpenAI Codex
Apr 2023 — Jul 2025 Redhill, UK
On-site
System Engineer
Tata Consultancy Services

Built scalable backend services in .NET Core — REST APIs, background job processors, and event-driven workflows via Azure Functions and Service Bus. Implemented OAuth/JWT authentication and contributed to Angular frontends. Worked with Azure SQL and Cosmos DB for structured and document-based data needs.

.NET CoreAzure FunctionsCosmos DBOAuth/JWTAngularEF CoreMSSQL
Sep 2020 — Mar 2023 Bengaluru, India
Remote
Assistant System Engineer
Tata Consultancy Services

Contributed to backend development in .NET Core, supporting API development and integration tasks. Gained foundational experience in Azure cloud services and enterprise application workflows. Wrote unit tests with NUnit and Karma.

.NET CoreAzureNUnitKarmaSwaggerDocker
Dec 2018 — May 2019 Hyderabad, T-Hub
Internship
Android Developer Intern
LOG Security Solutions

Built a real-time location-sharing Android app integrating Google Maps API and Android Location APIs. Implemented mutual user tracking and location saving/management features.

AndroidJavaGoogle Maps APILocation Services

Skills

The full stack.

// Backend & APIs
.NET Core
C#
gRPC
REST APIs
Entity Framework Core
OAuth / JWT
Background Workers
Swagger
NUnit
Design Patterns
OOP
System Design
// Cloud & Infrastructure
Microsoft Azure
Azure Kubernetes Service
Azure Service Bus
Azure Functions
Azure DevOps
Azure Cosmos DB
Azure API Management
Azure Blob Storage
Azure Key Vault
Azure Event Grid
Azure App Config
ACR
Docker
Nginx
RabbitMQ
Graph API
// Frontend
Angular 2+
TypeScript
JavaScript (ES6+)
Angular Material
Tailwind CSS
Sass
Bootstrap
HTML5
Karma
Routing
// AI & Data
RAG (Retrieval-Augmented Generation)
LLaMA 3.2
DeepSeek
OpenAI Codex
GitHub Copilot
Microsoft SQL Server
Azure Cosmos DB
MongoDB
MySQL
Firebase

Certifications

Verified credentials.

Microsoft
Azure Developer Associate
Issued Feb 2026
ID: B3A01ADCD00B3756
Microsoft
GH-300 GitHub Copilot Certification
Issued Jan 2026
ID: 46C7E179687D7657
Microsoft
Azure Fundamentals
Issued Feb 2023
ID: I635-2187
LinkedIn Skill Assessments
Angular · C# · JavaScript · HTML · CSS · Python + more
Multiple assessments passed
15 total certifications on profile

Projects

Things I've built.

Education

Academic foundation.

B.Tech, Computer Science
Rajiv Gandhi University of Knowledge Technologies, RKValley

Core CS fundamentals — data structures, algorithms, OOP, and system design principles. Participated in hackathons and competitive programming contests, building habits around efficient, well-structured code.

2016 – 2020
GPA 8.78

Contact

Let's connect.

Open to opportunities.

Currently open to senior full-stack, cloud-native, or backend-heavy roles. If you're building something ambitious on Azure and .NET, I'd love to hear about it.