Akash K.

Experienced software developer specializing in eCommerce and marketplace applications. I develop and maintain web applications, with a focus on scalability, security, and performance. ### Core Skills * Ruby & TypeScript Programming * Ruby on Rails (all versions), Sinatra, Spree Commerce, Sharetribe Go (custom Sharetribe development) * JavaScript, React, Next.js, Node.js, NestJS, Prisma ORM * PostgreSQL, PostGIS, MySQL, Oracle, MongoDB * Database design, normalization and optimization ### Additional Hands-on Experience * REST API development, Shopify API, Sharetribe API * Payment gateway integrations: Stripe Connect, Authorize.Net, Braintree, Adyen, and others * Twilio API, Acuant API, Signifyd Fraud Detection API * Bootstrap, Tailwind CSS, ZURB Foundation, Materialize, HTML5, CSS3, responsive web and mobile design, Figma design * jQuery, IndexedDB, GraphQL, TypeORM * Bash Scripting * AmCharts, FusionCharts, Highcharts, Plotly, Chart.js * AWS (EC2, S3, RDS, SES) * Heroku, DigitalOcean, Linode, Linux, Ubuntu, Red Hat, Fedora, Docker * SSL certificate installation and server security * JWT authentication * Supabase * Legacy Ruby on Rails maintenance, modernization, and AI-assisted development with Claude and Cursor * ChatGPT API / LLM integration * Google APIs, Gmail API, Google Drive API, Adwords API * Facebook Ads API, Instagram API, YouTube API, Twitter API * Single Page Application (SPA) I have built long-term relationships with Upwork clients, with some professional relationships spanning 10+ years across multiple contracts.