Jhon Marmolejo
Technical Lead at Cint
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolJhon Marmolejo is a Technical Lead based in Barcelona with 10 years of experience building and leading full-stack .NET and web engineering teams across fintech, automotive, classifieds, and SaaS products. He progressed from senior .NET developer and team lead roles to technical lead at Cint, consistently delivering performance optimizations, architecture improvements, and complex data-driven web systems. Jhon blends deep backend expertise (C#, SQL, NHibernate, Linq) with front-end skills (HTML5, CSS3, jQuery, Knockout) and a practical focus on measurable outcomes—such as cutting processing times from five seconds to one. He has a track record of owning end-to-end projects, mentoring teams, and shipping production-grade integrations for high-traffic applications. Colleagues know him for pragmatic refactors and for turning legacy systems into maintainable, high-performing platforms.
10 years of coding experience
17 years of employment as a software developer
Software Engineer, Ingeniería de Sistemas, Software Engineer, Ingeniería de Sistemas at Universidad Nacional del Callao
Spanish, English, ItalianGithub contributions (5)
jhonmarmolejo/apigatewayNetCoreOcelot
Jun 2021 - Oct 2021
Contributions:5 commits, 3 pushes, 1 branch in 3 months
jhonmarmolejo/NetCoreApiVersionDemo
Oct 2020 - Jan 2021
Contributions:3 commits, 5 pushes, 2 branches in 3 months
Find and Hire Top DevelopersWe’ve 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.