Freelance Fullstack Engineers in Sorocaba
Freelance Fullstack Engineers in Sorocaba
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Diego Lopes
Sorocaba, Brazil
Building AI Agents & SaaS with Next.js
6
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Building AI Agents & SaaS with Next.js
1
PagueFlow: Personal Finance PWA (Built with Replit AI) A full-stack financial management application featuring expense tracking, dashboards, and authentication. Replit Development Workflow: AI-Driven Development: Heavily utilized Replit Ghostwriter to generate logic for the dashboard calculations and UI components (visible in Git history as "Assistant checkpoints"). Version Control: Managed the entire Git workflow directly via the Replit Git pane to track features and rollbacks. Integrations: Configured the connection with Supabase (Auth & Database) directly within the Replit environment variables and shell. Stack: TypeScript, Tailwind CSS, Supabase (Developed entirely in Replit).
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SaaS Platform: TENET AI (Built on Replit) A multi-tenant AI agent platform developed entirely within the Replit ecosystem. Replit-First Workflow: Cloud IDE: Used Replit as the exclusive environment to build complex Python/FastAPI microservices without local setup. AI Assisted: Leveraged Replit Ghostwriter to accelerate boilerplate generation for the multi-agent orchestration logic. Debugging: Utilized the Replit Shell for real-time testing of WhatsApp API webhooks before pushing to production. Stack: Python, FastAPI, PostgreSQL. (Production deployed via Railway, Development via Replit).
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BudgetCalc - Smart Project Estimator
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87
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Official Website: TENET AI (High-Conversion Landing Page) The public-facing portal and onboarding flow for the TENET AI ecosystem. Built with Replit: Rapid Prototyping: Used Replit's instant preview environment to iterate on the UI/UX design in real-time without local server setup. Frontend Performance: Optimized assets and code splitting directly within the Replit editor to ensure high Lighthouse scores. Zero-Config Dev: Leveraged Replit's pre-configured templates to jumpstart the development of the responsive layout. Stack: HTML5, Tailwind CSS, JavaScript (Developed in Replit).
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112
Fullstack Engineer
(3)
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Andrei Flausino
São Roque, Brazil
Responsive Frontend & Fullstack Engineering
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Responsive Frontend & Fullstack Engineering
1
Full-Stack Blog
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1
High Landing - Landing Page
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Responsive Christmas Website
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5
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Personal Portfolio
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4
Fullstack Engineer
(1)
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Harley Soncim
Sorocaba, Brazil
AI Automation & API Developer for Startups and SaaS
New to Contra
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AI Automation & API Developer for Startups and SaaS
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GitHub - Harleysoncim/cargaclick: Sistema de fretes modais
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1
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CargaClick1 is an experimental and development-focused version of the CargaClick platform. The main objective of this repository is to test and validate new technical approaches for the freight marketplace system, including backend architecture, API integrations, routing logic and cloud deployment strategies. While another CargaClick project exists as the main production-oriented repository, CargaClick1 focuses on prototyping, infrastructure experiments and system improvements before they are integrated into the primary platform. This project explores scalable backend structures, logistics workflow automation and integration with external services such as routing APIs and cloud infrastructure. Technologies involved include backend frameworks, containerized deployment, database design and API-driven system architecture.
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https://github.com/Harleysoncim/sra-guiding-star
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9
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AI-powered price intelligence system that collects market data and generates insights using automation.
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34
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