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Click here or scroll down to respond to this candidateCandidate's Name
Principal Front-end EngineerEMAIL AVAILABLEPHONE NUMBER AVAILABLEhttps://LINKEDIN LINK AVAILABLESeattle, WASUMMARYAs a seasoned Front-end Engineer, I bring 10 years of robust experience in both web and mobile development. My expertise spans strong front-end, UX/UI design skills, robust back-end knowledge, cloud services, and system design, enabling me to deliver comprehensive and scalable solutions in AI start-ups, E-commerce, Healthcare, iGaming, and Real-estate industries.EXPERIENCEFounding engineerSelf Employed04/2023 - OngoingSeattle, WAHigh-throughput, real-time Business Analytics & Optimization Platform at a significant scale.- Mentored new team members, developed EPCIS strategies, prioritized technical debt, and elicited key business requirements- Architected a robust front-end using Radix UI, Tailwind CSS, TypeScript, Next.js 14, RTK, RTK Query, SSR, and App-based routing- Implement responsive designs perfectly using Figma, and iteratively refine the implementation with designers and managers.- Enhanced the Progressive Web Apps (PWA) and SEO using next-pwa and meta tag- Enhanced dashboard performance through AG Grid integration, server-side rendering, and optimized data retrieval methods- Engineered over 50 API endpoints across multiple backend services using Go, FastAPI, and Nest.js- Optimized PostgreSQL / PostGraphile architecture, resulting in a 50% reduction in complex query execution time- Leveraged diverse ORMs including SQLAlchemy for Python and Prisma for JavaScript projects- Orchestrated application deployment on AWS EKS and implemented Docker containerization for improved scalability- Integrated LLM technologies to create an AI-powered assistant for business strategy recommendations- Implemented a comprehensive testing framework with Pytest, and k6, boosting API coverage by 15% and overall performance by 10%- Partnered with data science teams to develop ETL pipelines capable of processing vast amounts of diverse data daily- Honed expertise in cutting-edge software engineering practices, specializing in AI/ML-driven solutions for startups, consistently delivering on time and garnering positive user feedbackPrincipal Front-end EngineerMicrosoft11/2023 - OngoingSeattle, WAViva GoalsOKR (Object Keys and Results) platform for archiving team and project goals- Revamped front-end architecture with React, Vite, Typescript, RTK, React query, and SSR- Reduced average page load time from 6 seconds to 2 seconds by Lazy Loading, Optimizing images and SVGs, Minifying CSS- Introduced the use of Nx monorepos which significantly enhanced our code organization, distributed Tasks in CI, and scalability- Implement responsive designs perfectly using Figma, and iteratively refine the implementation with designers and managers.- Enhanced Web accessibility (WCAG) and Performance optimization with Browser DevTools and Lighthouse- Integrated Storybook for better component development and documentation- Utilized D3.js to create interactive and responsive charts, graphs, and data visualizations- Developed Figma plugins leveraging MJML that convert Figma designs into Outlook-compatible email templates automatically- Created numerous PowerShell scripts to automate the generation of notification server and client code based on dynamic parameters- Pioneered the implementation of Websocket, which streamlined data retrieval processes- Designed pyramid testing scenarios with unit testing (Jest+React-testing), integration testing, and end-to-end testing- Implemented well-structured automation testing testing using Playwright and Cucumber- Utilized .NET 8 and various Azure Event Grid to construct a robust notification message system- For data storage and retrieval, Utilized Azure Cosmos DB, a globally distributed, multi-model database service- Employed Azure DevOps for our CI/CD pipelines, automating the build, test, and deployment processesWeb DesignerIT Solutions Consulting10/2021 - 11/2023Seattle, WAQardioRemote Patient Monitoring system for fetching billions of patient data points, ensuring continuous availability for customers- Worked on a high-performance customer-facing web application utilizing React, Next.js, Redux, TypeScript, HTML5, SASS, and Chart.js- Leveraged GraphQL queries and mutations to enhance API performance.- Implemented role-based access control (RBAC) and authentication mechanisms ensuring secure access to resources.- For the customer API layer, implemented CRUD transaction handling, integrated interceptors using Nest. js and Flask API .- To ensure scalability and efficiency, designed asynchronous Microservices using Docker and RabbitMQ- Migrated Kubernetes infrastructure to upgraded version of Plumi for seamless transaction processing under clinical workload growth.- Completed the core component: a livestream ECG monitor that delivers real-time ECG readings beyond the usual 30-second limit.- For processing HL7 messages including ADT and MDM, ORU, Set up two Mirth Connect Channels.- Made a great use of AWS services such as Kinesis Stream, S3 bucket, AWS Lambda functions, and DynamoDB.- Configured Grafana dashboards for key metrics and performance indicators from Prometheus, InfluxDB, and Elasticsearch- Utilized Kibana to analyze and search log data stored in Elasticsearch, enabling real-time troubleshooting and root cause analysisSenior Frontend DeveloperDraftKings06/2020 - 10/2021Boston, MADraftKingsSportsbookSports betting platform with a secure authentication, an interactive Betslip component, a Cashout, and In-play sports events- Migrated from Backbone.js + Ruby on Rails to Next.js+ Node, improving performance by 50%.- Implemented a new fashionable UX/UI design using Figma and Adobe.- Built complex composed components and introduced Storybook for UI development, testing, and documentation.- Set up the Varnish, Ngnix and several CDNs for cache and load balance- Supported 25 languages and 12 different layouts based on locales and customers.- Designed pyramid testing scenarios with unit testing (Jest+React-testing), and E2E testing (Cucumber+Playwright).- Monitored performance and reproduced bugs using Sentry IO.- Employed the Ansible automation tool for configuration management, application deployment, and orchestration in the front end DevOps- Introduced livestream videos and live tracker widgets based on the HLS library and iframe customization- Built the CMS dashboard using Go and MySQL to configure market and layout settings for several brands and localesFull Stack DeveloperJPMorgan Chase & Co.02/2018 - 05/2020New York, NYAI-based Bond OTC Trading Platform- Developed and maintained a real-time bond price streaming dashboard as part of a cutting-edge AI-driven Bond OTC Trading Platform, utilizing React, Node.js, WebSocket, and MongoDB- Used advanced time series analysis techniques and machine learning models to handle time-series prediction challenges- For real-time predictions, used caching for common queries, pre-fetching data, and using efficient data structures and algorithms- Built an ETL pipeline to standardize and clean the data that comes from financial data providers - FINRA and BondCliQ.- Optimized database queries and data models using MongoDB, resulting in a 30% improvement in query performance and faster data retrieval- Worked with a variety of technologies, including Python, R, TensorFlow, Keras, and Scikit-Learn.- I was comfortable working with large datasets and have a good understanding of data preprocessing techniquesFrontend DeveloperRestb.ai09/2016 - 02/2018Barcelona, SpainRestb.aiAI-powered Real Estate Analytics Platform- Successfully delivered dynamic, user-friendly, multi-browser compatible frontend application from scratch by writing 60+ components using React, Javascript, HTML5, CSS3, Redux, and Styled Component.- Implemented responsive designs resulting in a 25% increase in mobile traffic- Fully generated PDF documents for property reports- Developed custom application workflows, improving operational efficiency by 20% for our key clients.- Managed JSON data transfer within applications, ensuring accurate and efficient data handling.- Served as a technical advisor for integrating Node.js into existing projects, boosting back-end performance.- Setup virtual environment and containerization using Docker and Kubernetes- Participated in 20+ weekly code reviews to ensure code quality and system efficiency- Configured the CI/CD; Jest, Enzyme for unit testing, Gitlab for automatic deploymentSoftware DeveloperIBM10/2013 - 09/2016Tokyo, JapanComparative Insights Application- Designed and developed web-based business intelligence and data visualization applications using Backbone.js (MVC pattern), JavaScript, HTML, CSS, jQuery, helping VPs and project managers to explore and gain actionable insights from their data- Used Coffeescript and handlebars template for rendering the pages- Implemented the pixel-perfect responsive design with Photoshop collaborating with designers- Created the CMS pages for administrators using Ruby on Rails.- Wrote Unit E2E testing with Karma and Mocha.- Started refactoring based on SPA programming using React and Angular.- Set up the Redis (memory DB) for the performance.- Fetch the data using Ajax call for CRUD operations.- Completed the authentication page using session storage.- Partnered with backend developers implementing communication solutions.EducationMaster's Degree in Computer Science4.0Osaka University04/2008 - 10/2013OsakaSkillsProgramming Languages- HTML / CSS- Javascript (ES6)- Typescript- Python- Java- SQL- Go / Golang- C#- PHPFront end- React / Angular / Vue- React Native / Flutter- Tailwind / M-UI / Radix UI- Vite / Webpack / Parcel- Rxjs- Nx / Monorepo- Next.js / Svelte- Redux / NgRx / Mobx- React Query- Three.js / D3.js- StorybookBack end- Django / Flask / Fast- Node.js / Express.js / Nest.js- Ruby / Rails- WordPress- .Net / MVC- WebSocket- Microservices / Serverless- Restful / gRPC / GraphQL / Webhook- JWT / SSO / MFA- RabbitMQ / KafkaDatabase Management- SQL / T-SQL- MongoDB- Redis- Cassandra / InfluxDB- Snowflake / Spark- ElasticSearch- ORMDev-ops / Cloud services- AWS / GCP / Azure- Docker- Kubernetes- Jenkins / Gitlab CI / Github Actions- Terraform / Pulumi- Ansible- Apache / Ngnix- CDN / Varnish- AWS lambda / Cloudflare- Firebase / SupabaseTesting / Others- Jest / React Testing / Mocha / Enzyme- Cypress / Playwright / Cucumber- Sentry / Lighthouse / Datadog- Grafana / Kibana- Github / GitLab- Agile Methodology- Jira / Microsoft Azure- Scrum / Kanban |
