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Adarsh Pandey

Software Developer&AI Enthusiast

About Me

I'm a highly skilled backend developer with over 5 years of experience in building scalable APIs, microservices, and AI integrations. My passion lies in creating robust and efficient backend systems that power modern applications.

Technical Expertise

Work Experience

Citi Bank

Senior Backend Developer | 2022 - Present
  • Reduced API payload by 60% using Avro & Protobuf
  • Improved MongoDB & Oracle performance by 50%
  • Built event-driven microservices with Kafka

Tata Consultancy Services

Backend Developer | 2019 - 2022
  • Developed RESTful APIs for financial services
  • Implemented CI/CD pipelines for faster deployments
  • Optimized database queries for improved performance

Featured Projects

AI Portrait Generation System

A cutting-edge AI system for generating unique portrait images based on user input. Features include style selection, background customization, lighting control, and pose adjustment.

🚀 Key Achievements

🏗 Scalable System & Architecture Design

  • Architected high-performance APIs using Spring Boot, gRPC, and GraphQL, achieving sub-50ms latency for critical workflows.

  • Designed a hybrid API model (REST + gRPC), ensuring backward compatibility and seamless system migration.

  • Led the multi-region onboarding system design, scaling to handle thousands of concurrent users with sub-second latency.

⚡ Performance Optimization & Scalability

  • Optimized MongoDB and Oracle queries, improving response times by 50% with advanced indexing and Hazelcast caching.

  • Reduced API payload size by 60% by migrating from JSON to Protobuf and Avro, ensuring efficient serialization.

  • Modernized legacy SOAP systems to REST APIs, reducing response times by 35% and improving maintainability.

🔥 Event-Driven Systems & Streaming

  • Developed Kafka-based event-driven microservices, improving asynchronous processing across 10+ microservices.

  • Integrated Apache Kafka with schema-driven development, ensuring reliable and scalable event pipelines.

  • Engineered an AI-powered document processing system, enhancing data extraction accuracy and reducing manual efforts.

🌍 AI & Open Source Contributions

  • Built an AI Portrait Generation System, integrating Stable Diffusion with Hugging Face APIs, deployed on Render.

  • Designed a secure AI pipeline with OAuth2 authentication and API key-based access for model inference.

  • Contribute to open-source projects focused on Spring Boot, event-driven architecture, and backend optimization.

💡 Leadership & Community Engagement

  • Mentored junior developers on API design, performance tuning, and containerized deployments on OpenShift.

  • Led cross-functional teams, collaborating with engineers, BAs, and QAs to deliver complex solutions efficiently.

  • Advocate for clean architecture, distributed caching, and security best practices, improving system robustness.