Software Developer | TypeScript, Python, API Integration & Automation

I build web applications, API integrations and automation tools with TypeScript, JavaScript, Python and SQL. I also take over existing code: reproduce the fault, implement the fix, and add checks that make the result easy to verify.

Core work: React interfaces, Node.js services, REST APIs and webhooks, PostgreSQL, data import and reconciliation, n8n workflows, Docker and automated browser testing with Playwright.

Recent independent projects include a duplicate-event reconciliation tool, a CSV normalization utility and interactive web applications. Working examples and source notes: https://patchcairn.surge.sh/

I work remotely from Belarus, with written communication, clear milestones and a usable handover. Fixed-scope projects and ongoing development are both welcome.