Jason Mendoza
Senior Software Engineer (Full Stack & Blockchain & AI)
- +1 304 805 3491
- mendozajason179@gmail.com
- Jason-Mendoza.vercel.app
- Manassas, VA, US
I'm mainly working as a Full stack & Blockchain & AI developer for about 10 years until now. My major skills are React, Next.js, Node.js, PHP/Laravel and gained great experience with EVM, Solana, Cardano ecosystem and so on. My ability to identify opportunities for growth and navigate complex challenges has earned me a reputation as a trusted advisor and a valuable asset to any organization. I can say, I am creative, calmly and loving learning from others, and detail-focused person. My hobby is football, and sometimes having a computer game with friends. Now, I am actively looking for a new job opportunity as a Full stack & Blockchain & AI developer, and I am ready for starting work for you immediately!
Work Experiences
Senior Full Stack Engineer
- Designed and implemented user-friendly, responsive web pages using Next.js and T3 Stack to facilitate seamless client onboarding, access to personalized financial planning resources, and real-time communication with financial experts, accommodating 50000+ users effectively.
- Expertly executed the migration of the project from JavaScript to TypeScript, upgrading from MUI v4 to MUI v5, and transitioning from react-relay to Apollo for GraphQL.
- Did all sorts of work such as React/Svelte app development, backend Nodejs/Hasura/Postgres/Clickhouse development, researching and investigating problem-solving technologies, as well as many Devops related GCloud, Hetzner, Terraform etc things.
- Improve SEO and performance(~8.5%) of the official website and other public pages which increased 35% conversion and 30s(0.6 per session) by refactoring the website with semantic html tags and optimizing meta titles and descriptions.
Senior Full Stack & AI Engineer
- AI Development: Designed and implemented AI-driven features using Python libraries (TensorFlow, PyTorch, scikit-learn). Enhanced data processing and model training pipelines, reducing processing time by 40%.
- Backend Development: Developed and optimized RESTful APIs using Laravel to handle AI functionalities. Improved API response times by 30% through efficient database indexing and query optimization.
- Frontend Development: Utilized React to build interactive and user-friendly interfaces. Introduced new components that increased user engagement by 30%.
- DevOps: Automated deployment processes with Docker and Kubernetes, ensuring consistent and reliable delivery of applications. Managed CI/CD pipelines on AWS, reducing deployment time by 50%.
- Project Impact: Successfully integrated AI features that provided users with advanced insights and automation capabilities, contributing to a 25% growth in user base.
Senior Full Stack & AI Engineer
- Championed the creation of a salary estimation tool using React and Typescript, skillfully implementing Husky, Deep Source, and Sonar Cloud for enhanced code quality.
- Used Node.js web scraping service with Puppeteer and browserlessAPI to aggregate job data from Glassdoor and Indeed.
- Innovatively designed and developed an AI-generated bulk messaging Google Chrome extension for recruiters on Linkedin using GPT-4 model.
- Demonstrated adeptness in test-driven development by crafting thorough unit and end-to-end tests with Jest, react-testing library, and Cypress.
Senior Full Stack & Blockchain Engineer
- Smart Contract Development: Engineered and deployed secure and efficient smart contracts for casino and crash games. Ensured high reliability and security through rigorous testing and audits, reducing vulnerability incidents by 60%.
- Frontend Development: Developed a dynamic user interface using React and Next.js. Improved user retention by 25% through enhanced UI/UX design.
- Real-Time Communication: Implemented real-time communication features with socket.io, enabling live updates and interactions, which increased user interaction by 20%.
- Backend Development: Designed and maintained scalable backend infrastructure using Nest.js. Optimized server performance, leading to a 35% reduction in server downtime.
- Project Impact: Delivered a robust platform that handled high traffic and transactions smoothly, significantly enhancing the user experience and trust in the platform.
Mid-Level Full Stack & Blockchain Developer
- Frontend Development: Created sleek and responsive frontend interfaces using TailwindCSS and React. Enhanced wallet integration with the Wagmi web3 package, improving transaction efficiency by 30%.
- Smart Contract Development: Developed and deployed complex smart contracts using Hardhat, ensuring high reliability and security. Conducted extensive testing and optimization, reducing gas costs by 20%.
- Blockchain Integration: Built a bridge for Ethereum network customization, enabling seamless interaction between different platforms and networks, which expanded the project's reach by 15%.
- Project Impact: Successfully launched a secure and efficient web3 gaming platform, increasing user satisfaction and retention.
Mid-Level Frontend & Blockchain Developer
- Created a smart contract for NFT Marketplace with ERC721, ERC1155 and deployed it on 3 EVM Compatible Networks (Polygon, Ethereum, BSC).
- Charged Fees for Secondary Sales by implementing ERC2981 NFT royalty standard.
- Experience in Web3, Smart contracts, Solidity with Remix, deploying NFT smart contract with Streamlit UI, and also worked with Geth, Ganache, Infura API for testnets, faucets.
- Worked with Chainlink Oracles data feeds, also forked Pinata IPFS to store NFT pics and get the IPFS numbers to mint.
Internship
- Contributed to the development of an admin side using React and Laravel framework to manage the feedbacks.
- Implemented real-time chat functionality using Web Sockets, Laravel Queue, Pusher, Laravel Echo, cron jobs, and integrated Twilio for SMS, Stripe for payments, and email notifications, etc.
- To improve performance and scalability, upgraded the design of the frontend architecture using React.js and utilized Redis and DataDog for managing the data at a great scale and speed.
- As part of the development process, participated in utilizing Docker containers to ensure seamless deployment across different environments, and led the successful migration of the project to AWS EC2, including the complex socket.io component and queue pipelines.