l
leoculler

Leonardo C

@leoculler

Junior Developer

Brazil
Portuguese, English
About me
Hi! I'm a JavaScript & TypeScript developer with hands-on experience building responsive websites and custom automations that save time and reduce manual work. I've worked on real-world projects — from landing pages to scripts and API integrations. I write clean, organized code and always deliver on time. What I offer: Websites & Landing Pages Automations & Scripts Built with JS, TS, Node.js & React. Clear communication, honest deadlines, and revisions until you're happy. Let's build something great!... Read more

Skills

l
leoculler
Leonardo C
Offline • 
Average response time: 1 hour

See my services

Rule Based Chatbots
I will build a custom telegram bot with nodejs and typescript
From$15 / projectMore details
Wix
I will build a modern and responsive landing page for your business
From$80 / projectMore details

Portfolio

Work experience

Capgemini

Solutions Analyst I

Capgemini • Full-time

Feb 2024 - Jun 2025 • 1 yr 4 mos

Worked on the back-end development of the Pix Security project for Bradesco, implementing robust solutions for authentication, transaction validation, and fraud prevention. Also contributed to a project in the investment area of Ágora, focusing on the construction and optimization of APIs, integration with financial systems, and ensuring the security and performance of back-end services. Actively participated in technical meetings with clients (Bradesco and Ágora), facilitating communication between development teams and stakeholders, and collaborated in the creation, detailing, and adjustment of technical stories.