01Implemented a trading and backtesting platform using Node.js, NestJS, Java microservices, Docker, PostgreSQL persistence, notifications, multi-account workflows, JavaScript bots, charting integration, and market-data analysis tooling.
02Built a current asset-evaluation platform from scratch with .NET, React, PostgreSQL, ETL-style ingestion, scheduled scenarios, rule-based evaluation, reports, notifications, and external data-provider integrations.
03Led Angular and Java development for identification and traceability software, including migration from AngularJS to Angular and integration with external services and teams.
04Developed a production-grade Android mobile application and web dashboard for retail sales management, covering mobile, dashboard, server-side business and data tiers, APIs, PostgreSQL, installation, maintenance, and knowledge transfer.
05Built and migrated internal data-conversion and visualization tooling using Node.js, Backbone, React, D3, server-side rendering, Socket.IO, and complex charting components.
06Implemented mobile and web applications using .NET, C#, JavaScript, jQuery Mobile, HTML5, REST, and JSON web-service integrations.