Denys L.
Middle+ Full-Stack Developer — Jest, MongoDB, PostgreSQL
Sample profile — shown to illustrate the format. Verified profiles with checked evidence and current availability are shared directly during the matching process.
About Denys
Denys is a lead full-stack developer with 18 years of commercial experience, specializing in Jest, MongoDB. Recently architected a fintech product with payment processing, KYC flows, and reporting. Works comfortably inside existing engineering processes — code review, CI/CD, and weekly delivery cadence.
Experience highlights
Lead Full-Stack Developer
Recent engagement
Worked on a fintech product with payment processing, KYC flows, and reporting, owning delivery end to end with the client team.
Full-Stack Developer
Previous engagements
Contributed across several production projects — details shared during the matching process.