George Popovic Email & Phone Number

Remote

• Lead Backend Developer and Data Engineer working primarily on backend services for a social media search engine.• Managed a frontend team using PHP/Symfony. • Utilized Terraform's CLI to manage resources in Digital Ocean. • Created a multi-threaded, daemonized ETL pipeline in Python with distributed microservices that scraped, cleaned, and processed millions of rows of data from a social media platform. • Deployed several differentiated multi-modal LLMs with accompanying APIs to aid in processing of said data. • Managed data and hardware constraints in a PostgresSQL database normalized to 2NF and optimized with indices.

Remote

• Lead Developer for a European Clean Energy company developing a novel solution to tracking charging data for EVs in Norway. • Maintained a legacy multi-tenant Laravel application and customer portal using MySQL, Apache, and Laravel Backpack, and Stripe. • Upgraded and implemented a new version of the Enode API for EVs which relied on webhook events and was distributed across sandbox and production environments.• Set up a staging environment in Digital Ocean using a replica of the deployed database and server, which had been instantiated locally on DO. • Integrated additional features for linking user vehicles and home-chargers through an embeddable web widget that interacted directly with the Enode API and utilized OAuth flow.• Made alterations to the process whereby user rebates were calculated by various factors, including industry trade secrets and government-regulated pricing standards. • Used Google Maps API to geolocate user addresses and produce latitude and longitude to interact with Enode API.

Remote

• Inherited a Chromium-based browser-extension, the main purpose of which was toprovide accessibility features to users of a certain demographic, and implementednew features and refined pre-existing features culminating in publication on theChrome store.• The primary requirements of the extension were applying user settings set in theextension (in order to manipulate the browser's DOM), and incorporating secureauthentication to restrict access to the extension based on subscription-status.• Implemented a subscription portal using Laravel/PHP, MySQL, and VueJS, whichintegrated with Stripe and allowed users to purhcase and modify subscriptionswhich enabled access to the extension, and for administrators to edit user profiles.subscriptions and selectively restrict or grant access.• Wrote a bi-directional API to communicate with Stripe by listening to, receiving, andsending webhook requests in order to update the state of both applications.• Set up the infrastructure (EC2, RDS, and S3) for the subscription portal on AWSusing Elastic Beanstalk and implemented roles and policies to ensure long-termhealth and stability; created deployment scripts to ensure seamless integrations asdevelopment proceeded.

Remote

• Web developer for a web development agency working on several Dockerizedapplications involving PHP/Laravel and CSS-TailwindCSS/JaScript-VueJS andMSSQL/MySQL databases.• Contributed UI, feature, and infrastructure updates to multiple B2B/B2C SAASapplications across multiple industries (health/wellness & B2B/B2C construction). • Supplemented Dockerization and deployment process by making core updates tocontainer images and critical changes to deployment scripts. Updated developerdocumentation in Confluence to reflect these changes.

Remote

• Lead developer for a wealth management consulting service startup based in NYC.• Built a multitenant application with tiered roles and permissions based onsubscription status using Laravel and Laravel Livewire/TailwindCSS.• Used Pusher.js and web sockets/broadcasting to implement a real-time chatinterface between coaches and clients.• Integrated Plaid to get an in-depth look at a client’s financial state in order tofacilitate the coaching process using a client-customizable progress plan.

Remote

• Web developer tasked with developing and maintaining APIs that interface withInteractive Voice Recordings (IVRs) for the purpose of Third Party Verification (TPV),ancillary to a multitenant client portal built in Laravel.• Built a CLI whose purpose was to transfer 15 million voice recordings from various audio mount points on a central server to an AWS S3 bucket using NodeJS, Oracle SQL, and PM2. FFMPEG/Sox was used to transcode the audio files from various types and format them to Wav/MP3, where these would then be concatenated in the correct sequence and stored on the server to be moved to an S3 Bucket. • Architect REST and SOAP APIs for clients using NodeJS and MongoDB, MySQL thatinhabit an AWS EC2 instance and leverage cloud storage (AWS S3).• Automate CI/CD for deployment to staging and production environments usingGitHub actions via SSH. • Regularly collaborate with fellow developers, project managers, and client servicesin an agile, scrum-based context.

Remote

• Web developer for a California-based fintech startup offering loan consultation for individuals and small businesses. • Developed an internal customer portal that allows Lendzi's clients to integrate their banking info using Plaid (Plaid Link, Plaid's OAuth procedure).

Remote

• Lead developer for a startup offering a SAAS which caters to small and mediumsized companies in the construction industry.• Developing a marketing-subscription portal with a support ticket system in Laravel8 with Livewire, VueJS, and TailwindCSS.• Set up automated workflows/CICD pipelines for testing and deploying to stagingand production environments using GitHub Actions.• Implemented an OAuth2 server to offer (i) accessible endpoints to a (consuming)3rd-party integration and (ii) enable Personal Access Tokens for product users.

Brooklyn, New York, United States

• Maintained a legacy Laravel 5.1 application for a B2B/B2C startup (bug fixes, writingdocumentation, planning and adding additional features).• Integrated 3 RESTful APIs (UPS, DHL, FedEx) to track incoming shipments ofretail products from vendors overseas (this greatly redefined how goods wereadded to inventory, tracked and billed via Purchase Orders, increasing warehouseproductivity by 100%, and reducing time spent in receiving inventory by 85%).• Added functionality to a pre-existing RESTful API integration to keep track of salesand inventory data across clients' stores (VMI).• Redefined roles and permissions for a pre-existing system of +3000 users (clientsand in-office staff), deprecating two roles and changing the locus of a user'spermissions from being company-wide to per-store.• Migrated pre-existing codebase to a shared GitHub repository and implementeddocumentation using Atlassian Confluence; eliminated security hazards by movinghardcoded, sensitive data to a .env file.• Liaised with management and shareholders on a daily basis using a Scrum-likemethodology to architect new features, while managing task-progress via Asana.• Interviewed, trained, and mentored a junior developer, directed a freelancefrontend engineer, and then later rigorously onboarded more senior engineers.

United States

• Collaborated with a senior developer (CTO) and marketing to redesign layout andstyling of course advertisements for K-12 students, directed at religious schoolsacross the U.S. (using Twitter's Bootstrap).• Performed static analysis on entire codebase and diagnosed 1100 lines ofdeprecated PHP using PHP_CodeSniffer while upgrading the application to PHP8 (most deprecations were PHP 7.0 >). Analysis was then turned over to seniordeveloper (CTO) for actionable results.• Wrote a simple PDO wrapper to interact with a MySQL database and increase teamproductivity, in place of a deprecated Composer package used by the applicationwhich relied on removed (as of PHP 7.0) functionality.