Sandip SHELKE

Domain: Insurance / Client-Based Projects
Role: Full Stack Developer – Node.js, NestJS, React.js

• Delivered multiple client projects simultaneously, balancing scope, deadlines, and quality through effective planning and hands-on execution across both frontend and backend stacks.
• Led the design and development of a shared library of reusable and modular React components that was adopted across multiple projects, significantly improving UI consistency and accelerating development cycles.
• Managed a team responsible for maintaining and evolving the React component library and frontend architecture, fostering collaboration and ensuring code quality and best practices.
• Developed backend services and RESTful APIs using Node.js and NestJS, building scalable and robust systems with smooth integration points for frontend applications.
• Designed and implemented custom middleware for authentication, logging, error handling, and request validation, enhancing backend maintainability and security.
• Integrated external systems and third-party services, including payment gateways and other client-specific APIs, extending functionality and automating workflows.
• Worked closely with clients and internal stakeholders to develop tailored technical strategies, optimizing IT infrastructure for performance, cost-efficiency, and scalability.
• Took ownership of projects end-to-end — from requirement gathering and architecture design through development, testing, deployment, and support — ensuring successful delivery and client satisfaction.
• Contributed to continuous improvements in system efficiency and codebase quality, providing clear technical communication and documentation throughout the project lifecycle.

Domain: Commodity Market / Payment Solutions
Role: Full Stack Developer – React, React Native, .NET Core

• Spearheaded architectural design decisions to build scalable, modular, and maintainable systems, enabling rapid product iteration and future expansion.
• Designed and developed high-performance RESTful APIs for seamless integration between web, mobile, and backend systems—supporting mission-critical workflows in payments and commodities trading.
• Leveraged Microsoft Azure extensively, deploying web applications via Azure App Services, storing unstructured data using Azure Blob Storage, and implementing scalable NoSQL solutions with Azure Cosmos DB.
• Implemented CI/CD pipelines using Azure DevOps and GitHub Actions, streamlining code integration, testing, and automated deployments for faster, error-free delivery cycles.
• Deployed infrastructure across Azure, optimizing for performance, resilience, and cost-effectiveness in a cloud-native environment.
• Mentored junior developers and guided cross-functional teams on code quality, architecture best practices, and scalable design patterns, fostering a collaborative, high-performance culture.
• Conducted detailed code reviews, resolved critical bugs, and delivered long-term fixes to ensure stability, performance, and maintainability in production environments.

Domain: B2B Tax Solutions
Role: Full Stack Developer – React, Angular, .NET/.NET Core

• Designed, developed, and maintained full-stack enterprise applications for B2B tax processing using React, Angular, and .NET/.NET Core.
• Built and evolved a shared library of reusable frontend components, significantly reducing development effort and ensuring a consistent UI/UX across multiple projects.
• Refactored large-scale legacy code bases for improved performance, maintainability, and alignment with modern development standards.
• Developed RESTful APIs and backend services using .NET Core, facilitating secure and efficient communication between systems.
• Implemented unit, integration, and end-to-end testing frameworks, increasing test coverage and ensuring application stability through frequent deployments.
• Led code reviews and provided ongoing mentorship to junior developers, fostering a collaborative and quality-focused engineering culture.
• Took part in architectural planning and system design decisions, contributing to scalable, modular, and cloud-ready solutions.
• Set up CI/CD pipelines and automated deployment processes to streamline releases and reduce manual effort.
• Integrated external services, including authentication providers, financial APIs, and third-party tax processing tools.
• Collaborated closely with product owners and QA teams to align technical execution with business requirements.
• Researched and introduced new tools, frameworks, and best practices to continuously improve development workflows.