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Click here or scroll down to respond to this candidateCandidate's Name
Senior Full Stack EngineerEMAIL AVAILABLE PHONE NUMBER AVAILABLE Naples, FL LINKEDIN LINK AVAILABLEProfileI'm a seasoned Full Stack Engineer with over 12 years of experience in building scalable, high- performance web applications. My expertise lies in both front-end and back-end development, with a strong focus on React, Django, and Node.js. I've designed and implemented reusable UI components, RESTful APIs, and microservices, ensuring modularity and maintainability. I excel in using modern technologies like React, Redux, Tailwind CSS, Docker, and Kubernetes to develop responsive and efficient applications. My experience includes integrating payment gateways like Stripe and PayPal, optimizing databases with PostgreSQL, MySQL, and MongoDB, and implementing advanced caching techniques with Redis. I'm proficient in CI/CD pipelines, automated testing with Jest and Cypress, and cloud infrastructure design using AWS. With a deep understanding of Agile methodologies, I collaborate effectively with cross-functional teams to deliver robust, user-focused solutions that align with business goals. Professional Experience02/2021 08/2024 Senior Full Stack Engineer, WiproDeveloped reusable UI components built upon React component-based architecture, using design guidelines through concepts such as Container/Presentational Components and Higher-Order Component (HOC) lifting to achieve increased modularity & maintainability.Maintained global state using Redux, also utilized middlewares such as Redux Thunk and redux Saga to manage async operations/side effect thus which in result synchronize efficiently the states globally across different parts of screen.Utilised Tailwind CSS for utility-first styling directly where needed along with responsive requirements, combined with solutions like styled-components(CSS-in-JS) that allow to attach styles in a modular way and depend on runtime values. Developed using machine aware design best practices with Flexbox and CSS Grid to allow the most routine user transitions for devices.Code-splitting with React for a more performant app lazy and Suspense, we made bundle sizes smaller with Webpack, and memoized things in React. We optimize it using with memo and useMemo hooks(fetching method/details will be handled in Parent).Written extensive unit tests using Jest and React Testing Library, as well as end-to-end tests with Cypress to ensure the UI remains robust across different usage patterns.Implemented RESTful APIs based on the OpenAPI Specification using Django Rest Framework (DRF). Applied principles of API versioning and swagger/openapi documentation best practices.Under this project, we also implemented secure user authentication methods using OAuth 2.0 + JWT validating both Role-Based Access Control(RBAC) and maintaining a stable session for users with its own access tokens; Made use of 3rd paty authentication provider wherever required.Designed normalized database schemas in PostgreSQL and MySQL, used Django ORM/SQLAlchemy for rapid SQL-like data querying/manipulation. Improved database performance and scalability using indexing, query optimization and sharding.Dealt with Stripe and PayPal APIs for payment processing, transaction managements are handled async through webhook handlers to support idempotency while securing the sensitive information using PCI DSS compliance.Implemented whole-sale range and retail-line based stock control system for the inventory using polymorphic models in related tables, to manage variants(sizes, colors) of product. Automatic restocking notifications & is tied into Celery / RabbitMQ for schtasks and async processingBuilt: Django microservices, Docker Containers and Kubernetescriptors Guaranteed separation of services like payment processing, inventory management and user management for scalibilityand fault tolerance.Redis used for caching the commonly queried data and session management to give relief on database load as well performance gains. Implemented caching techniques like cache-aside, write-through for efficient data access.Caching of Hotspot data and Session management was handled by Redis in order to decrease DB Load, better Response times. Implemented caching techniques (cache-aside),write-through to improve performance of accessing data.Developed Machine Learning models using TensorFlow and Pytorch providing user specific type of product recommendations based on their browsing behavior,purchase history thus improving credibility among the end users, boosting sales.Carried out A/B testing with Optimizely and home-grown solutions for UI/UX features, promotional strategies which helped in making data-driven decisions around user interface improvements.Implemented real-time updates for order tracking and user notifications with WebSockets using Socket. It serves as a supplementary feedback feature that makes the user experience better.Performed regular security audits leveraging OWASP ZAP and sticking to the Application Security best practices like input validation, output encoding along with usage of securities headers thus mitigating risks associated including XSS,CSRF & SQL Injection.Designed and configured AWS Elastic Load Balancers (ELB) with NGINX to distribute incoming traffic and have HA, reliability during peak loads.Provision AWS Auto Scaling groups and Kubernetes Horizontal Pod Autoscaler to allow dynamic resource adjustments through traffic and load patterns so that the cloud-managed platform elastically scales with demand.Implemented CI/CD pipelines utilizing Jenkins and GitHub Actions to atomize build, test, deployment phases. Performed blue-green deployments and stack canary releases to provide for zero-downtime updates. 07/2018 01/2021 Senior Backend Engineer, MetaDeveloped scalable comment and reaction systems using Python with Django.Managed structured data with MySQL and PostgreSQL, ensuring data integrity using ACID principles.Utilized MongoDB for flexible, scalable data storage, implementing sharding and indexing strategies (B-tree, hash indexes, full-text indexing).Designed microservices architecture for isolated comment and reaction functionalities, communicating via RESTful APIs and gRPC.Employed Consul or Eureka for service discovery in a microservices environment.Implemented machine learning models for content moderation using NLTK, spaCy, and BERT with real-time processing via Apache Kafka.Applied Redis and Memcached for in-memory caching, employing LRU eviction policies and write-through/write-behind caching strategies.Developed an event-driven notification system with RabbitMQ and Apache Kafka, using Celery for task queues and WebSockets/ Server-Sent Events(SSE) for real-time updates.Integrated Firebase Cloud Messaging (FCM) and SendGrid for push and email notifications, respectively.Created modular React components (CommentItem, CommentList, ReplyForm) using React.js, with React Virtualized or React Window for performance optimization.Implemented conditional rendering and optimized state management with Redux.Utilized React Spring for animations and transitions, and React Portals for contextual popups.Managed form handling and validation using Formik, React Hook Form, and Yup for custom validation logic.Applied lazy loading, memoization (using useMemo and React.memo), and React Context API for performance optimization and state management.Conducted thorough testing with Jest, React Testing Library, and performance profiling using React Profiler.09/2015 05/2018 Full Stack Engineer, CubeDeveloped backend APIs using Django REST Framework for product management, orders, and user authentication.Integrated payment gateways such as Stripe and PayPal for seamless transactions.Implemented real-time updates and notifications using Django Channels.Designed dynamic, responsive frontend interfaces using React, Redux, and Tailwind CSS.Built a robust CMS with Django Admin and Django MPTT for managing hierarchical data and content.Utilized Gatsby and Next.js for static site generation and server-side rendering.Implemented rich text editors with Draft.js for flexible content creation.Created APIs for managing contacts, leads, and interactions using Django REST Framework.Integrated advanced filtering and object-level permissions with Django-Filter and Django-Guardian.Developed data visualization components using D3.js and React Table for efficient data management.Designed and developed custom business tools with Django REST Framework and Django-Silk for performance monitoring.Built real-time communication features using WebSocket API and efficient data rendering with React Virtualized.Applied Service Layer Pattern and Command Pattern to handle complex business logic and background processing.Utilized Docker for containerization and Kubernetes for orchestrating deployment environments.Implemented CI/CD pipelines with Git and CircleCI for streamlined development and deployment processes.Managed cross-origin requests with Django-CORS-Headers and optimized code quality using ESLint and Prettier.07/2012 07/2015 Full Stack Engineer, AutodeskBuilt beautiful-looking, pixel-perfect dashboard UIs and reusable components for large number of clients using Next.js + GraphQL, upgraded and enhanced the existing web app using SSR and Vuex.Facilitated a successful transition of a React-based CRM platform to Next.js, contributing to improved performance and scalability.Built a component library based on Material UI, leveraging Storybook for robust development.Implemented a high-performance web product using Svelte, optimizing frontend architecture and user experience.Leveraged SvelteKit to build a scalable, professional SSR solution, enhancing frontend efficiency and user engagementDeveloped RESTful APIs by creating models, interfaces, and controllers to enable smooth communication between the client application and the database utilizing Nest.js.Developed a suite of microservices using Node.js/Nest.js, which resulted in a 10% reduction in latency and a 8% improvement in reusability.Closely collaborated with the product and design teams on Agile methodology, ideated software solutions, and turned wireframes into effective code.SkillsFrontend Technologies React Next.js Vue.js Svelte Tailwind CSS CSS-in-JS(styled-components) Material UI Gatsby Draft.js D3.js Webpack Storybook Backend Technologies Django: Django REST Framework, Django ORM, Django Channels, Django Admin, Django MPTT, Django-Filter, Django-Guardian, Django-Silk. Node.js: Express.js, Fastify, Nest.js, Microservices, RESTful APIs. Python: Django, Flask, TensorFlow, PyTorch, NLTK, spaCy, BERT. Database Technologies: PostgreSQL, MySQL, MongoDB (sharding, indexing, ACID principles), Redis, Memcached. Caching: Redis (session management, LRU eviction, write-through/write-behind caching), Memcached. WebSockets: Real-time updates with Socket.IO, Server-Sent Events (SSE). Celery: Task queues. RabbitMQ: Messaging queues, Webhook handlers. APIs: RESTful APIs, gRPC, OAuth 2.0 + JWT, Stripe, PayPal, OpenAPI Specification, Swagger/OpenAPI documentation.DevOps & CI/CD Docker: Containerization. Kubernetes: Orchestration, Elastic Load Balancing (AWS ELB), Kubernetes Horizontal Pod Autoscaler. AWS: Elastic Load Balancers(ELB), Auto Scaling groups, AWS services (S3, EC2). Jenkins: CI/CD pipelines. GitHub Actions: CI/CD automation. CircleCI: Continuous integration. Nginx: Web server and load balancer.Testing & Security Jest: Unit testing. Cypress: End-to-end testing. Optimizely: A/B testing. OWASP ZAP: Security audits. Application Security: Input validation, output encoding, security headers, CSRF, SQL Injection, XSS protection. Machine Learning & Data TensorFlow/PyTorch: Machine learning models for product recommendations and content moderation. ML Libraries: NLTK, spaCy, BERT. Kafka: Real- time processing. Apache Kafka: Event-driven systems, task queues. Data Visualization: D3.js, React Table.Education09/2008 06/2011 Bachelor of Computer Science, Curtin University |
