Senior Full-stack React Developer

Remote full-stack developer position at Lemon.io, a marketplace connecting developers with hand-picked startups in US and Europe. Multiple tech stack options available: Senior React & Python (4+ years development, 3+ React + 3+ Python, AWS/GCP/Azure required); Senior Node & React (5+ years development, 3+ React + 5+ Node.js, Next/TypeScript/AWS or Supabase); Senior Golang & React (4+ years development, 3+ React + 3+ Golang, AWS/GCP/Azure). Additional stacks available: AI Engineering, PHP & Angular, React & Java, Data Science, Blockchain, Symfony combinations, Data Analysis, DevOps, Android & iOS, Python & LLM, ML Engineering, and more. Requirements: strong technical skills to create projects from scratch, deep understanding of application architecture, advanced English communication, self-organizational skills for remote work without supervision, reliability, and adaptability. Flexible schedule with async or minimal overlap options. Direct communication with technical clients. No micromanagement, no screen trackers. Support throughout cooperation. Developers from 71+ countries eligible (Europe, LATAM, US W-9 owners, Canada, parts of Asia including Japan/Singapore/South Korea/Philippines/Indonesia, Oceania including Australia/New Zealand). Excludes Iceland, Liechtenstein, Kosovo, Belarus, Russia, Serbia, Cuba, Nicaragua, and most Asian and African countries. Over $11M already paid to engineers. No visa assistance provided; cooperation model excludes typical direct hire benefits.