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Ari Rocha
From Brazil 01:49 PM (GMT-03:00)
$60/hr or $110,000/yr
Active over a week ago

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Senior Full-Stack Engineer — AI, SaaS & FinTech

Full-Stack Engineer
Available for hire
Years of experience
8+ years
Experience level
Senior
Available for
Full-time, Part-time, Contract, Freelance
Download Resume / CV

Senior Full-Stack Engineer focused on AI-driven SaaS, fintech platforms, and scalable web systems.

I run Develari LLC, where I build production systems end-to-end — from product architecture to deployment — including ERP platforms, AI analytics tools, payment integrations, and cloud infrastructure.

My background spans React/Next.js, Node.js, TypeScript, PostgreSQL, AWS, and modern AI tooling. I’ve worked with startups, enterprise clients, and international teams.

I’m currently looking for remote senior full-stack roles, especially AI-first products, fintech, or high-impact SaaS platforms. Experienced working with international clients and remote-first teams across multiple time zones.

Particularly interested in long-term product ownership roles, AI-first startups, and scalable fintech platforms.

Skills

JavaScript TypeScript React.js Next.js Node.js Tailwind CSS SQL Playwright AWS Software as a Service Supabase OpenAI Headless CMS Vite.js React Query Socket.io Sentry Text to speech MERN stack PostgreSQL MySQL Prisma Test Driven Development Web services Service workers Stripe Payment gateways Serverless Single Page Application Server Side Rendering Server Side Generation Platform as a Service Generative AI

Languages

English Portuguese

Employment History

Senior Full-Stack Developer at Develari Current 2024 - Now
Founder and Lead Full-Stack Engineer at Develari LLC, responsible for building and delivering scalable SaaS, fintech, and enterprise web platforms for international clients. I oversee the full product lifecycle, including system architecture, backend and frontend development, DevOps infrastructure, and deployment. I lead a distributed engineering team, coordinate product direction, and ensure reliable delivery of multi-tenant CMS, ERP, and e-commerce solutions. My work also involves developing AI-driven automation systems, integrating payment infrastructure, and implementing cloud-native architectures with strong security, observability, and performance practices.
Founder / Senior Full-Stack Engineer at Deezign 2023 - 2025
Worked closely with Deezign to scale and optimize its multi-brand e-commerce platform serving hundreds of premium brands and retail partners. Responsibilities included backend performance optimization, infrastructure improvements, marketplace integrations, and analytics pipeline development. I helped improve system performance, reliability, and data visibility by implementing caching strategies, automation workflows, and business intelligence integrations. The role also involved SEO performance optimization, cloud infrastructure design, and supporting the platform’s growth to handle high daily transaction volumes with consistent uptime.
Senior Full-Stack Developer at Ofcdesk (Autodesk partner) 2023 - 2024
Collaborated with Autodesk partner Ofcdesk to modernize design and visualization platforms used in architecture, construction, and furniture manufacturing. I worked on full-stack development of web applications focused on real-time 3D product visualization, customization tools, and enterprise integrations. Responsibilities included frontend and backend development, WebGL integration, cloud deployment, and building data synchronization pipelines between design systems, BI tools, and client platforms to improve operational efficiency and scalability.

Education

Technology Degree in Systems Analysis & Development at FATEC Presidente Prudente Current 2024 - Now
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