Alagar Raja

Backend Developer with experience building scalable microservices, event-driven systems, and AI-powered applications using Spring Boot, FastAPI, Kafka, and MSSQL. Skilled in designing REST APIs, distributed processing workflows, OCR platforms, and conversational AI systems for healthcare applications. Passionate about backend architecture, system design, and building reliable, high-performance software.

Backend Developer (Intern → Full-Time) at JuzGoDigital (2025-05 – Present)

• Designed and developed scalable backend services and REST APIs for healthcare applications using Spring Boot, FastAPI, Kafka, and MSSQL.
• Architected and implemented Kafka-based event-driven microservices to support asynchronous processing, high concurrency, and fault-tolerant workflows.
• Developed OCR and document-processing pipelines for extracting, validating, and structuring medical information from user-uploaded files.
• Built AI-powered backend services using OpenAI APIs, enabling real-time streaming responses, contextual retrieval, and intelligent user interactions.
• Engineered data ingestion pipelines and web scraping workflows to improve information retrieval accuracy and enhance chatbot knowledge sources.
• Integrated Azure Blob Storage, transcription services, and vector search capabilities into production-grade systems.
• Optimized application performance through asynchronous processing, multithreading, and parallel execution to improve throughput and responsiveness.
• Designed and optimized database operations using Microsoft SQL Server, ensuring efficient storage and retrieval of healthcare data.
• Implemented secure service communication using SSL/SASL and contributed to reliable, maintainable, and scalable distributed backend architectures.

Artificial Intelligence Intern at Shrimitha Energy Solutions (2024-05 – 2024-05)

• Collected and processed pediatric retinal image datasets.
• Applied preprocessing techniques such as grayscale conversion and noise reduction.
• Built a CNN model using TensorFlow/Keras for myopia detection.
• Applied data augmentation techniques to improve model generalization.

B.Sc. in Computer Science with Cognitive Systems – Dr. N.G.P. Arts and Science College (2022 – 2025)

Higher Secondary Certificate (HSC) – Gayathri Matriculation Higher Secondary School (2021 – 2022)

Secondary School Leaving Certificate (SSLC) – Gayathri Matriculation Higher Secondary School (2019 – 2020)