Full-Stack Python Developer

[Remote] Backend Strong Python (3.11+) with FastAPI or Django Async programming, background workers and task queues (Celery, RQ or similar) PostgreSQL and database design REST APIs, webhooks, idempotency, retries and signature verification Production web scraping: Playwright or Selenium, proxy rotation, rate limiting, session handling, and adapting to changing page markup O

Auth flows and official third-party APIs One-time-code authentication by SMS and email, secrets management, and general application security Front end Solid HTML5, CSS and JavaScript or TypeScript Embeddable widgets that work inside third-party pages: iframe and Shadow DOM isolation, CSP, and cross-origin messaging Mobile-first, accessible, performance-conscious UI Building dashboards and admin interfaces (React or Vue is fine) AI Hands-on experience with the Claude API: prompt design, structured JSON output, image input, and cost and latency control Building evals and regression tests for prompts Designing around LLM uncertainty with confidence thresholds and human-review fallback E-commerce platforms Shopify app development: Admin GraphQL API, checkout extensions, app billing, and mandatory privacy webhooks Working knowledge of WooCommerce (PHP and hooks), Big

Commerce and Magento extension development Payment gateway concepts: authorize, capture, void and refund flows Privacy and compliance GDPR and CCPA data handling Familiarity with marketplace and App Store review requirements Experience and traits 4–7