Senior Full-Stack Engineer

Built a greenfield cryptocurrency exchange and ATM-integration platform, owning a React administration application and a NestJS backend for a customer-facing mobile product. Implemented registration, KYC, wallets, transactions, exchange rates, ATM flows, approval workflows, notifications, and audit logging. Designed the PostgreSQL data layer with Knex, integrated AWS Cognito and Alchemy monitoring, and deployed services to AWS EC2 through automated CI/CD.

Built a Python/Django analytics service consuming NestJS events via Kafka to calculate and persist user and transaction metrics. Served as the sole engineer for an AI-assisted tax analysis product using Next.js, Supabase, Claude Sonnet, Zod validation, and Cloudflare deployment. Also provided technical guidance for an Angular dashboard and added Gemini-powered natural-language filtering for a diamond retailer.

Progressed from maintenance work to independently delivering full-stack features for international client products using React, Next.js, TypeScript, Node.js, and NestJS. Worked on a web-gaming acquisition and monetization platform in a five-engineer team, collaborating weekly in English with approximately 20 client stakeholders. Developed landing and subscription flows and implemented multiple mobile-carrier integrations supporting around 20 operators globally.

Worked with NestJS microservices, Kafka, event collection, advertising-platform integrations, and click-attribution analytics handling approximately 10 million events per day. Produced PostgreSQL joins, materialized views, analyst datasets, spreadsheet exports, and Grafana dashboards. Maintained React, NestJS, and GraphQL visualization products, and built most of the frontend for a machine-learning training dashboard including a complex D3 visualization with approximately 1,000 interactive elements.

Completed a Master's degree in Software Engineering.