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3.2
3.2
100%
$25 USD / Hour
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Brazil (6:02 PM)
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Joined on December 8, 2014
$25 USD / Hour
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I’m an AI and blockchain specialist with 8 years of experience developing innovative solutions in Web3, DeFi, smart contracts, and AI-driven applications. I have good experience in JS/TS base UI Frameworks like React and Vue as well as NodeJS, Application development. I have been involved in a bunch of web & blockchain projects and developed several SaaS Products and deployed to AWS, Heroku and Digital Ocean successfully. My expertise includes: Blockchain: Smart contract development (Solidity, Rust), DeFi protocols, NFT marketplaces AI & ML: Predictive analytics, NLP, deep learning models Tech Stack: Python, TensorFlow, Solidity, Ethereum, Solana, Hyperledger My strengths as a developer include: - Worked on front-end modules React, React-Native, Vue, Angular, Javascript, Typescript and Next.js with the latest technologies and experience - Hands-on experience in micro-service architecture (Node.Js, GraphQL, Laravel, Django, .NET, Python). - Built many kinds of web3 projects like DeFi, NFT, DAO using Solidity and Rust. - A deep understanding of microservice architecture, which has allowed me to design scalable and efficient systems. - Expertise in cloud platforms, including AWS, GCP, and Azure, for deploying and managing cloud-based applications. - Strong familiarity with containerization and orchestration tools like Docker and Kubernetes. - A commitment to best practices, clean code, and efficient testing to ensure the reliability and maintainability of my solutions. I’ve worked with startups and enterprises to build cutting-edge AI and blockchain solutions that drive efficiency and innovation. Let’s collaborate to turn your vision into reality!

A++++ website developer. I will hire him again surely. Thanks
Hai Long T.
@Sotn
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Hanoi, Vietnam
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Nilo completed my project very quickly and I'm fully sattistfied with his work the communication was clear and easy. I would highly reccomend working with this freelancer. thanks
Karim S.
@karimdz22
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Longueuil, Canada
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Nilo is an exceptional developer with impressive skills in React.js, Node.js, MUI and Tailwind CSS. He consistently delivers high-quality work with incredible speed, demonstrating deep expertise and attention to detail. I’m extremely impressed by his ability to complete tasks flawlessly under tight deadlines and I would absolutely welcome the opportunity to collaborate with him again in the future.
Nam N.
@sn102a1k46
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Yên Phong, Vietnam
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Experience
Full-Stack developer
Jan, 2025 - Present
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10 months, 2 days
Manypixels
Jan, 2025 - Present
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10 months, 2 days
∙ Migrated prisma v1 database schema to prisma v6 , utilized Pothos graphql builder to switch to code-first approach from SDL-first approach and enhance type-safety. ∙ Upgrade stripe SDK for utilizing new features and documented the payment flows. ∙ Implemented analytics events for all signup and purchase events. It improves visibility into the user's interaction with the app and the purchase flow. Tracking upgrades, downgrades, trial conversions, and cancellations was easy.

Singapore, Singapore
Jan, 2025 - Present
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10 months, 2 days
Full-stack Engineer
Feb, 2023 - Nov, 2024
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1 year, 9 months
Hikaflow
Feb, 2023 - Nov, 2024
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1 year, 9 months
∙ Developed LLM-powered onboarding assistants that auto-generate contextual documentation and guide new developers, reducing ramp-up time by 70% for 25+ client teams. ∙ Built a React/FastAPI dashboard to visualize real-time code health metrics, adopted by 50+ enterprises for executive reporting. ∙ Designed CNN-based anomaly detection to flag security vulnerabilities and code smells in PRs, cutting production incidents by 40%.

Boston, United States
Feb, 2023 - Nov, 2024
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1 year, 9 months
AI Founding Engineer
Apr, 2019 - Oct, 2022
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3 years, 6 months
Fluently
Apr, 2019 - Oct, 2022
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3 years, 6 months
∙ Built an AI-powered conversational English coach using transformer-based models, serving 10K+ learners. ∙ Implemented pronunciation and grammar correction with fine-tuned speech-to-text and NLP models. ∙ Designed real-time feedback loops leveraging GPT-style models, improving learner engagement by 35%.

Wilmington, United States
Apr, 2019 - Oct, 2022
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3 years, 6 months
Education
Universidade Norte do Paraná
2014 - 2018
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4 years
Bachelor of Technology

Brazil
2014 - 2018
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4 years
Certifications
P
Preferred Freelancer Program SLA
Verifications
On time
100%
On budget
100%
Accept rate
67%