▪ Design and development of scalable backend services using FastAPI and Springboot, supporting high-availability enterprise applications.

▪ Design and development of RAG based chat application for retrieving frequently asked questions and company’s policy.

▪ Architected and implemented RESTful APIs with proper versioning, validation, and error handling to support multiple frontend and third-party integrations.

▪ Designed backend components following microservices architecture, enabling independent deployments and improved system resilience.

▪ Developed backend services for financial workflows, including transaction processing, account management, and reporting, ensuring high accuracy, consistency, and auditability of data.

▪ Implemented strict data validation, encryption, and secure data handling practices to meet financial regulatory standards such as PCI DSS, SOX, and data privacy requirements.

▪ Implemented authentication and authorization mechanisms (JWT, role-based access control) to ensure

application security.

▪ Optimized application performance by profiling Python code, improving database queries, and implementing caching strategies.

▪ Worked closely with DevOps teams to support CI/CD pipelines, containerized deployments, and environment-specific configurations.

▪ Participated in architecture reviews, sprint planning, and technical design discussions, influencing long-term backend strategy.

▪ Collaborated with QA and product teams to ensure reliable releases and rapid issue resolution in production environments.

Environment:

Python, FastAPI, Django, REST APIs, Microservices Architecture, PostgreSQL, MongoDB, SQLAlchemy, Pydantic, JWT Authentication, Git, GitHub, CI/CD Pipelines, Docker, AWS (EC2, S3, RDS), Linux, Postman, Agile/Scrum.

▪ Worked on microservices built with Node, React, Docker and Kubernetes, used Redux, Redux toolkit and Context for state management and worked on Database Modeling of React and Node.js apps. Improved the client and server response time, reduced server load by 30% and network response by 25%.

▪ Designed dynamic and multi-browser compatible web pages, built progressive web apps using JavaScript and single page application using Angular, performed test driven development using Jest and worked on Java Spring framework for backend processing of the microservices. Improved web performance by 50%.

▪ Designed and developed scalable backend modules and RESTful APIs using Python, Flask, and Django, supporting enterprise-grade applications.

▪ Assisted in architecting service-oriented backend components, enabling modular, reusable, and maintainable application design.

▪ Implemented backend business logic for data processing, validation, and seamless integration with UI and external services.

▪ Wrote and optimized SQL queries and worked with NoSQL databases to efficiently handle structured and unstructured data.

▪ Implemented authentication, authorization, and secure data handling to protect application data and services.

▪ Supported CI/CD workflows and deployment activities across development and QA environments, improving release reliability.

▪ Debugged, troubleshot, and resolved application defects, contributing to enhanced system stability and performance.

▪ Collaborated within Agile/Scrum teams, actively participating in sprint planning, daily stand-ups, and retrospectives to ensure timely delivery.

Environment:

Python, Flask,React,NodeJS, Django, REST APIs, SQL, MySQL, MongoDB, JSON, HTML, CSS, Git, GitHub, CI/CD (Basic), Linux, Postman, Agile Methodology.

▪ Developed and maintained backend applications using Django and Flask, supporting data-intensive business workflows.

▪ Built and enhanced REST APIs for CRUD operations, reporting, and integrations with external systems.

▪ Designed and maintained relational and NoSQL database schemas using PostgreSQL, MySQL, and MongoDB.

▪ Implemented data validation, transformation, and error-handling logic to improve data integrity and reliability.

▪ Collaborated with frontend teams to ensure seamless API integration and consistent application behavior.

▪ Actively contributed to code reviews, ensuring adherence to Python best practices, clean code, and maintainable architecture.

▪ Troubleshot complex backend issues, identified root causes, and implemented permanent fixes.

▪ Used Git-based version control with branching strategies to support collaborative development.

Environment:

Python, Django, Flask, RESTful APIs, PostgreSQL, MySQL, MongoDB, ORM (Django ORM), SQL, HTML, CSS, JavaScript (Basic), Git, GitHub/GitLab, CI/CD Workflows, Docker (Basic), Cloud (AWS / Azure), Postman, Agile/Scrum