Juan Kaniefsky is a freelance full stack engineer based in Argentina with 14 years of professional experience building web systems across backend and frontend stacks. He has a strong track record of delivering production software for agencies and platforms, including multi-year stints at Yeti Media, TopTal, and Globant, and has been running independent contracting work since 2012. Comfortable with Ruby and JavaScript, he pairs hands-on development with a practical QA background earned early in his career, which helps him ship reliable, testable systems. Trained as an Ingeniero en Computaci贸n and an expert in internet technologies, he blends formal engineering education with years of client-facing problem solving. Notably, his long freelance tenure indicates an ability to manage end-to-end projects and adapt to diverse codebases and team dynamics.
14 years of coding experience
5 years of employment as a software developer
Experto en tecnolog铆as de internet, Experto en tecnolog铆as de internet at Instituto CBTech
Ingeniero en Computaci贸n, Ingeniero en Computaci贸n at Universidad Nacional de C贸rdoba
Express + Mongo + universal/isomorphic React (SSR) + Typescript example
Contributions:12 PRs, 14 pushes, 3 branches in 11 days
reactmongoisomorphic-reactexpressisomorphic
Find and Hire Top DevelopersWe鈥檝e analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.
Request Free Trial
Juan Kaniefsky - Freelance Full Stack Engineer at Independent