Sai Teja Kallem Portfolio

About Me

Full Stack Developer with 6 years of experience in designing, developing, and implementing web applications using Java, React.js, Angular, AWS, and Azure. Proficient in building scalable cloud-based solutions, implementing microservices architectures, and ensuring secure application deployments with OAuth2, JWT, and SAML authentication. Adept at optimizing application performance and integrating DevOps pipelines using Jenkins, Azure DevOps, and GitHub Actions.

Skills

Languages: Java 8/11/17, TypeScript, JavaScript, C, C++, SQL, PL/SQL

Frameworks: Spring Boot, Hibernate, React.js, Angular 14+, Node.js

Cloud Platforms: AWS (EC2, S3, Lambda, DynamoDB, API Gateway, IAM), Azure (App Services, CosmosDB, Azure AD, Functions)

DevOps & CI/CD: Jenkins, GitHub Actions, Azure DevOps, Docker, Kubernetes (EKS, AKS), Terraform

Professional Experience

Full Stack Developer | US Bank, Minneapolis, MN | Apr 2023 – Present

Developed interactive web applications using React.js, Redux, and TypeScript.
Integrated Spring Boot backend with OAuth 2.0 and JWT authentication.
Implemented CI/CD pipelines with Jenkins and GitHub Actions.
Deployed cloud applications on AWS using EC2, RDS, and Kubernetes (EKS).
Worked with Agile teams to deliver sprint-based feature updates.
Implemented GraphQL APIs for efficient data retrieval.
Conducted performance tuning for backend services to improve response times.

Full Stack Developer | State of North Dakota, Bismarck, ND | Sep 2021 – Mar 2023

Developed Single Page Applications (SPA) with Angular and RxJS.
Implemented RESTful API integration and state management with NgRx.
Configured cloud-based deployments using Azure App Services and Azure Functions.
Optimized frontend application performance by reducing load time.
Created reusable Angular components to streamline development.
Integrated unit testing using Jasmine and Karma for frontend components.

Java/J2EE Developer | CioxHealth, Green Bay, WI | Feb 2020 – Aug 2021

Developed responsive user interfaces using React.js and Material-UI.
Integrated RESTful APIs and GraphQL for efficient data retrieval.
Implemented Azure Functions and managed application performance with Azure Application Insights.
Enhanced authentication mechanisms with OAuth2 and JWT.
Performed code reviews to ensure best practices and clean code.
Designed database schemas and optimized queries for better performance.

Java Developer | Zomato, Gurugram, India | Mar 2019 – Jan 2020

Developed Angular-based dynamic UI components.
Implemented AWS S3 integration for secure data storage.
Used AWS Lambda for serverless computing to handle application requests efficiently.
Developed microservices for order processing and restaurant management.
Worked on payment gateway integration for seamless transactions.
Collaborated with UI/UX teams to enhance user experience.

Contact

✉: saitejar0208@gmail.com

📞: +1 (815) 694-6575

LinkedIn Profile

GitHub: Visit My GitHub