Senior Frontend Developer with over 10 years of experience designing, developing, and testing high-performance, responsive web applications using React, TypeScript, JavaScript (ES6+), HTML5, CSS3, and UI libraries like Material-UI. Expert in Agile/Scrum methodologies, Git with feature branching, and Object-Oriented Design. Proficient in building intuitive, accessible user interfaces with Figma and integrating geospatial data using Python and JavaScript libraries. Experienced in leading projects, mentoring teams, and collaborating with stakeholders to deliver secure, scalable solutions. Passionate about applying expertise in healthcare technology to create impactful user experiences.
Yearly salary: $100,000
Hourly rate: $50
Nationality: 🇺🇸 United States
Residency: 🇺🇸 United States
Experience
Fullstack/EVM Contract Developer
Aryshino 2024 - 2024
Designed and developed a decentralized application (dapp) for swapping, staking, and volume competition using React, TypeScript, and Solidity. Implemented a token bridge between Cronos and zkCronos using JavaScript and Python 3.x. Reduced gas costs by 30% through optimized smart contract deployment using OOP and functional programming. Streamlined development with Git and Docker in a Linux environment. Maintained high code quality through Jest testing and Azure ADO documentation. Collaborated in Agile/Scrum sprints and conducted GitHub PR reviews. Kept skills current through blockchain workshops.
Fullstack/Solana Smart Contract Developer
Launchifi 2023 - 2023
Built secure smart contracts for DeFi and Web3 apps using Solidity and TypeScript. Collaborated with PMs in Azure ADO to define stories and tech tasks. Created reusable React components and libraries, reducing dev time by 20%. Debugged complex blockchain issues and integrated REST APIs. Used Docker and Linux for consistent deployments. Maintained robust deliverables through Cypress tests and code reviews. Mentored junior devs in Agile/Scrum.
Senior Frontend Developer
Miles IT 2022 - 2023
Led SPA development using Angular 16, React, and Redux. Built interfaces with Figma and Material-UI adhering to WCAG standards. Used Mapbox, Python, and JavaScript for geospatial data visualization. Improved performance via lazy loading, code splitting, and DOM efficiency. Collaborated with designers to turn mockups into interactive UIs. Reviewed code and mentored team members. Participated in sprint planning and cross-functional U.S./U.K. collaboration.
Frontend Developer
VironIT 2020 - 2022
Migrated legacy fintech systems using React, TypeScript, CSS3. Built responsive UIs with Figma, CSS Grid, and Flexbox. Integrated REST APIs for real-time data. Used Git, Docker, and Linux in Agile/Scrum. Created component libraries and handled state with Redux. Tested with Jest/Cypress and maintained accessibility/WCAG compliance.
UI Developer
Kroger 2016 - 2019
Built e-commerce interfaces with HTML5, CSS3, JavaScript, and Material-UI. Used Mapbox and Python for logistics-based geospatial analysis. Improved load times by 20% through performance optimizations. Implemented scalable SASS with BEM. Integrated analytics and conducted A/B testing. Developed secure payment UI components and participated in Agile workflows.
Skills
evm
node
solidity
typescript
solana
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