Senior sEO-специалист · betting, igaming

Sign in Frontend Engineer Senior Location: Seattle, WA, 98109 Salary: 120000 Posted: July 25, 2024 Contact this candidate Resume: EINAR MONTALVO Principal Front-end Engineer ****************@*****.*** +1-206-***-**** https://www.linkedin.com/in/eimontalvo/ Seattle, WA SUMMARY As 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. EXPERIENCE Founding engineer Self Employed 04/2023 - Ongoing Seattle, WA High-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 feedback Principal Front-end Engineer Microsoft 11/2023 - Ongoing Seattle, WA Viva Goals OKR (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 processes Web Designer IT Solutions Consulting 10/2021 - 11/2023 Seattle, WA Qardio Remote 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 analysis Senior Frontend Developer DraftKings 06/2020 - 10/2021 Boston, MA DraftKings SportsbookSports 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 locales Full Stack Developer JPMorgan Chase & Co. 02/2018 - 05/2020 New York, NY AI-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 techniques Frontend Developer Restb.ai 09/2016 - 02/2018 Barcelona, Spain Restb.ai AI-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 deployment Software Developer IBM 10/2013 - 09/2016 Tokyo, Japan Comparative 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. Education Master's Degree in Computer Science 4.0 Osaka University 04/2008 - 10/2013 Osaka Skills Programming Languages - HTML / CSS - Javascript (ES6) - Typescript - Python - Java - SQL - Go / Golang - C# - PHP Front 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 - Storybook Back 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 / Kafka Database Management - SQL / T-SQL - MongoDB - Redis - Cassandra / InfluxDB - Snowflake / Spark - ElasticSearch - ORM Dev-ops / Cloud services - AWS / GCP / Azure - Docker - Kubernetes - Jenkins / Gitlab CI / Github Actions - Terraform / Pulumi - Ansible - Apache / Ngnix - CDN / Varnish - AWS lambda / Cloudflare - Firebase / Supabase Testing / Others - Jest / React Testing / Mocha / Enzyme - Cypress / Playwright / Cucumber - Sentry / Lighthouse / Datadog - Grafana / Kibana - Github / GitLab - Agile Methodology - Jira / Microsoft Azure - Scrum / Kanban Contact this candidate PostJobFree Delete or Update my resume About Terms of Service Privacy FAQ Contact us