Full case study
Nexus CPDS
From backlog organization to production delivery: agile leadership for a platform that centralizes CPDS/UESB operations.
JHONATAN COSTA
Full stack developer
I build digital products that convert.
Hands-on growth experience — from code to campaign, I deliver fast, trackable pages built to drive results.
Start a project ↗
/ About
Most developers build. I build and measure.
My career brings software engineering and digital marketing together: I have managed over R$100K in campaigns and helped triple the revenue of an operation — building the technical infrastructure that made it possible.
/ Selected work
Projects that went beyond code and delivered real outcomes — conversion, performance, and innovation.
Full case study
CrossGen
A genetic modeling platform for planning crosses, simulating progenies, and supporting academic and commercial analysis.
Full case study
Transformer Fine-Tuning for Parental Control
An AI browser extension that detects inappropriate content in real time and blocks only harmful material—not entire platforms.
Live project
Transformatech Advisors
Responsive corporate website for a digital transformation consultancy, with a technology-led visual experience and straightforward navigation.
Live project
Sistema AI — Rafael Capeloci
Landing page designed to present and convert a digital offer, with a responsive experience and campaign-oriented structure.
Live project
Lebrão e Ferreira Law Firm
Corporate website for a law firm, built with a clear presentation of its services and responsive navigation.
Live project
AMMA — Mila Marsili
Landing page for Academia Mila Marsili de Amadurecimento, developed around clear offer communication and conversion.
Full case study
Campo Inteligente
AI that helps small farmers decide what to plant based on soil, climate, and crop history.
/ Solutions
Web products↗
Custom applications and systems, from planning to production, with architecture designed to evolve.
Websites & landing pages↗
Fast, responsive, conversion-focused experiences, with SEO and tracking from day one.
APIs & integrations↗
Back ends, automations, and integrations that connect tools, organize data, and support operations.
/ Experience
Code + growthEngineering that understands business.
in campaigns managed, connecting acquisition, measurement, and technology.
revenue growth in an operation supported by technical infrastructure and growth.
from front end to deployment, with performance, SEO, and tracking built in.
Available for projects
Have a product in mind?
Let's build something that delivers results.
Chat on WhatsApp ↗