ljrr3045dev

Full Stack And Blockchain Developer

Hello 👋 I'm an experienced Full Stack Developer (Frontend oriented), with over 3 years of hands-on experience in the software development industry. Proficient in System Architecture, Front-end/Back-end development and Web3/Blockchain development, contributing to the creation of efficient applications and infrastructures.

Skilled in JavaScript/TypeScript, React.js, Next.js, React Native, Expo, Node.js, Express.js, MongoDB, Vercel, AWS, Serverless, Lambda and Smart Contract Development (Solidity, Ethers.js, Foundry and Hardhat). Currently expanding my knowledge in Artificial Intelligence (AI) to explore new ways of building smarter and more innovative solutions.

I have led the technical development of innovative B2B and B2C products, including infrastructures and web applications. I have managed development teams and driven successful project launches, with extensive experience in client and server-side functionalities.

Passionate about leveraging blockchain technology to enhance transparency and trust in applications. Proven track record in deploying smart contracts on Ethereum and Polygon blockchains and designing custom smarts contracts for DeFi and NFT projects.

If you're seeking a dedicated Full Stack Developer with expertise in Front-end/Back-end development, Web3/Blockchain technology, and a growing passion for AI, let's connect. I'm eager to discuss how my skills and experience can contribute to your projects and initiatives 🙌

Experience: 3 years

Yearly salary: $78,000

Hourly rate: $40

Nationality: 🇻🇪 Venezuela

Residency: 🇻🇪 Venezuela

Experience

Sr. Full Stack Developer

Brillion

2024 - 2025

Brillion (a Nexera Foundation company) is a Web3 project within the Wallet as a Service industry. During my second stage at Brillion I played a key role within the company, being part of the Senior team in charge of carrying out the development of new B2B and B2C products, composed of v2 of Brillion infrastructure and ui as a service. • Assist in the design of the system architecture based on the requirements of the executive department. • Develop high-level code at the server level under serverless architecture. • Implement high-level code in component library and SDK. • Maintain the scalability and quality of the systems code through unit tests and integration tests. • I was responsible for carrying out the architecture design of multiple functionalities within the infrastructure. • I was part of the planning and technical decision-making team for the project.

Technical Lead

Brillion

2023 - 2024

Brillion (a Nexera Foundation company) is a Web3 project within the Wallet as a Service industry. During my first stage at Brillion I played a key role within the company being the Technical Leader of the Smart Wallet project. • Lead the technical development of the Brillion Smart Wallet v1. • Manage a development team of 5 members for the construction of Brillion Smart Wallet. • Design the architecture of the system based on the requirements of the executive department. • Plan team goals and objectives per sprint. • I was responsible for carrying out the launch of Brillion Smart v1 from the technical side. • I improved the work and development methodologies within the project. • I managed the transition and optimization process of the NexeraID Wallet infrastructure towards Brillion Wallet.

Full Stack Developer

Little Phil

2022 - 2022

Little Phil is a micro-philanthropy software platform, I participated in the development of the Little Phil Shopify App, an application which allowed multiple Shopify stores to offer their users the option to send donations to different charities within their purchasing process. • Design system structure at the client and service level. • Develop application client and service using Shopify CLI framework. • Configure the application registration process based on Shopify App Store standards. • I worked directly with the CTO of Little Phil for the development of v1 of the Little Phil Shopify App. • I successfully completed the client and server development of v1 of the Little Phil Shopify App in collaboration with the Little Phil CTO.

Blockchain Developer

AllianceBlock

2022 - 2023

AllianceBlock is a company that offers a series of web3 products incorporating blockchain technology, facilitating on-chain and off-chain operations for simplified digital, financial, and real-world asset management. Within AllianceBlock I was part of the Nexera Core team where I played a role as developer and tester of smart contracts for multiple products of the project where we focused on the application of the EIP-2535 solidity standard. • Develop and implement new functionalities within the central code of smart contracts. • Develop unit tests for smart contracts. • Implement scripts for the deployment of smart contracts. • I was part of the core team which focused on high-level code development for different products linked to Nexera.

Full Stack Developer

NexeraID

2022 - 2023

Within ComPilot (a Nexera Foundation company) I was part of the NexeraID wallet development team, this project consisted of a wallet as a service infrastructure under the integration of the EIP 2771 standard, I actively participated in the development of the client and server side of the project, playing a key role in the integration of many of the project's functionalities at the UI level. • Develop libraries of reusable components for the project and clients. • Develop key functionalities at the client and server level within the project. • Participate in the system architecture development process at the client level. • I played a key role within the team, being part of the development team and on many occasions being a substitute team leader. • I carried out multiple presentations of technical advances to the company executive team.

Blockchain Developer

Freelance

2021 - 2022

I actively participated in the creation of smart contracts, the optimization of decentralized applications and the implementation of innovative solutions for DeFi and NFTs projects, providing effective and specialized solutions for different clients. • Identify problems within privately developed smart contract systems. • Provide advice and consulting for the development of Web3 projects. • Develop smart contracts and unit tests for DeFi and NFTs projects. • I carried out the deployment of multiple smart contracts within the mainnet blockchain (Polygon, Ethereum) for various clients. • I designed multiple ERC20, ERC721 and ERC1155 contracts customized for DeFi and NFTs projects.

Skills

backend

blockchain

blockchain-engineer

bootstrap

css

ethereum

front-end

full-stack

hardhat

jira

nestjs

nextjs

node

react

serverless

solidity

tailwind

typescript

english

portuguese

spanish

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