Jhonny
Kraj: Brazil
Lokalizacja: Rio de Janeiro, BR
Na Useme od 13 kwietnia 2025
O mnie
I'm a Full Stack Developer specializing in AI and Blockchain technologies, with a strong focus on building scalable applications from end to end. My expertise spans modern front-end frameworks, robust back-end systems, and deep integration with AI models and blockchain protocols.
AI Tech Stack Languages: Python, TypeScript Frameworks & Libraries: TensorFlow, PyTorch, LangChain, FastAPI AI Tools: OpenAI API, Hugging Face, Vector Databases (Pinecone, Weaviate) Infrastructure: Docker, Kubernetes, REST & GraphQL APIs Data: Pandas, NumPy, Postgres, Redis
Blockchain Tech Stack Smart Contracts: Solidity, Vyper, Rust Blockchain Platforms: Ethereum, Binance Smart Chain, Solana, Polygon, Layer 2 (Arbitrum, Optimism) Development Tools: Hardhat, Foundry, Ethers.js, Web3.js DeFi & dApps: Staking Platforms, Token Launches, Cross-Chain Bridges Backend & Integration: Node.js, NestJS, Moralis, Alchemy, The Graph
Kategorie
CV / Résumé
Lip 2023 - Mar 2025
Senior Blockchain Engineer
Nucypher
Engineered infrastructure components for decentralized access control in blockchain developing, built Node.js, Go-based middleware enabling apps to request, validate, and decrypt shared data across a decentralized network. Developed smart contracts..
Lut 2020 - Maj 2023
Full-stack developer
Zocdoc
Contributed to website developing both front-end and backend. My work includes front-end developing with CMS and JS frameworks like React, Next.js and backend developing with Python, Golang and mostly Node.js
Mar 2017 - Gru 2019
Blockchain full-stack Developer
dydX Trading Inc.
Worked on Cosmos SDK modules to enable validator-based governance and chain upgrades for the v4 protocol launch. Implemented secure fee calculation and staking reward distribution mechanisms, with full test coverage. Wrote number of smart contracts..
Portfolio
Full Stack Developer
AI-Powered Ordering System | LLM | Flask | RAG
I specialize in building intelligent, AI-driven applications, leveraging LLMs, AI/ML, Python, and Flask to create robust and scalable solutions.
AI-Powered Ordering System | LLM | Flask | RAG
I specialize in building intelligent, AI-driven applications, leveraging LLMs, AI/ML, Python, and Flask to create robust and scalable solutions.
Swisscheese - Multi-chain Tokenized Stocks & ETFs
Swisscheese is the home to multi-chain tokenized stocks. The platform supports all EVM chains. The development process took a couple months as it required multiple smart contracts for the tokenization of the stocks on multiple blockchains.
Swisscheese - Multi-chain Tokenized Stocks & ETFs
Swisscheese is the home to multi-chain tokenized stocks. The platform supports all EVM chains. The development process took a couple months as it required multiple smart contracts for the tokenization of the stocks on multiple blockchains.
Admin site developer
The dashboard typically includes widgets, charts, graphs, tables, and other visual elements that present key performance indicators (KPIs), metrics, and real-time data relevant to the system's operations
Admin site developer
The dashboard typically includes widgets, charts, graphs, tables, and other visual elements that present key performance indicators (KPIs), metrics, and real-time data relevant to the system's operations
Event Tracking for Ecommerce Analytics
By combining my technical expertise with a deep understanding of e-commerce analytics, I deliver actionable insights that drive business growth and improve the overall user experience.
Event Tracking for Ecommerce Analytics
By combining my technical expertise with a deep understanding of e-commerce analytics, I deliver actionable insights that drive business growth and improve the overall user experience.