Senior Full Stack Developer (Contractor)
Upload My Resume
Drop here or click to browse · PDF, DOCX, DOC, RTF, TXT
Requirements
• 5+ years of professional software development experience • 3+ years working with Python (FastAPI or Django) • 3+ years working with React and TypeScript • Strong SQL skills (especially PostgreSQL) • Experience building RESTful APIs and multi-tenant SaaS applications • Familiarity with Git and CI/CD workflows • Experience with async Python (asyncio, Celery) • Comfortable communicating in English (written and verbal) • Available to overlap 4+ hours with US Eastern time (9am-1pm ET or 2pm-6pm ET) • Experience integrating LLMs or AI APIs • Experience building multi-tenant SaaS applications • Redis for caching or background tasks • Docker and cloud platform experience (AWS or GCP) • Prior experience in startups or small teams • Stripe/payment integration • Data visualization (Recharts, D3, etc.) • Geographic data (Mapbox, mbtiles, etc.) • Background in SaaS, AdTech, or political/analytics tooling
Responsibilities
• Design and build APIs using Python (FastAPI), including database schema management (PostgreSQL) and task queue optimization with Celery • Architect multi-tenant SaaS features: authentication, data isolation, billing integration • Develop and maintain complex frontend components using React 19, TypeScript, Tailwind CSS, Zustand • Integrate AI/LLM providers (e.g., DeepSeek, Claude, OpenAI) into backend pipelines • Build data dashboards and interactive UIs for ad analysis, scoring, and geographic mapping • Manage DevOps processes via Docker, GitHub Actions, and AWS infrastructure • Optimize Celery-based pipelines for high-parallelism and sequencing of LLM calls • Participate in code reviews, documentation, and technical decisions with the founding team
Benefits
• Fully remote engagement across LATAM. • Opportunity to work on high-impact client systems with real operational ownership. • Employment type: