Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi there! I’m Sanaz Mahmoudi, a Senior Front-End Developer currently crafting robust, scalable web interfaces from Tokyo. I blend solid fundamentals (HTML, CSS, JavaScript) with modern frameworks like React, Next.js, and TypeScript to deliver polished, accessible user experiences. I’ve revamped codebases using Atomic Design principles, implemented tooling such as ESLint, Prettier, and Husky, and I’ve led performance optimizations that boosted Lighthouse scores. I enjoy mentoring teammates, collaborating with design and backend teams, and building scalable UI systems that empower product teams. Outside of day-to-day development, I contribute to open-source projects and pursue blockchain-friendly front-ends. I love tackling challenging UX problems, balancing speed with usability, and leveraging modern tooling to ship high-quality software that makes a difference for users and organizations.…Hi there! I’m Sanaz Mahmoudi, a Senior Front-End Developer currently crafting robust, scalable web interfaces from Tokyo. I blend solid fundamentals (HTML, CSS, JavaScript) with modern frameworks like React, Next.js, and TypeScript to deliver polished, accessible user experiences. I’ve revamped codebases using Atomic Design principles, implemented tooling such as ESLint, Prettier, and Husky, and I’ve led performance optimizations that boosted Lighthouse scores. I enjoy mentoring teammates, collaborating with design and backend teams, and building scalable UI systems that empower product teams. Outside of day-to-day development, I contribute to open-source projects and pursue blockchain-friendly front-ends. I love tackling challenging UX problems, balancing speed with usability, and leveraging modern tooling to ship high-quality software that makes a difference for users and organizations.

Sanaz Mahmoudi

Front-End Developer, Web Developer, Full Stack Developer, +3





Hi there! I’m Sanaz Mahmoudi, a Senior Front-End Developer currently crafting robust, scalable web interfaces from Tokyo. I blend solid fundamentals (HTML, CSS, JavaScript) with modern frameworks like React, Next.js, and TypeScript to deliver polished, accessible user experiences. I’ve revamped codebases using Atomic Design principles, implemented tooling such as ESLint, Prettier, and Husky, and I’ve led performance optimizations that boosted Lighthouse scores. I enjoy mentoring teammates, collaborating with design and backend teams, and building scalable UI systems that empower product teams. Outside of day-to-day development, I contribute to open-source projects and pursue blockchain-friendly front-ends. I love tackling challenging UX problems, balancing speed with usability, and leveraging modern tooling to ship high-quality software that makes a difference for users and organizations.…Hi there! I’m Sanaz Mahmoudi, a Senior Front-End Developer currently crafting robust, scalable web interfaces from Tokyo. I blend solid fundamentals (HTML, CSS, JavaScript) with modern frameworks like React, Next.js, and TypeScript to deliver polished, accessible user experiences. I’ve revamped codebases using Atomic Design principles, implemented tooling such as ESLint, Prettier, and Husky, and I’ve led performance optimizations that boosted Lighthouse scores. I enjoy mentoring teammates, collaborating with design and backend teams, and building scalable UI systems that empower product teams. Outside of day-to-day development, I contribute to open-source projects and pursue blockchain-friendly front-ends. I love tackling challenging UX problems, balancing speed with usability, and leveraging modern tooling to ship high-quality software that makes a difference for users and organizations.

Available to hire

Hi there! I’m Sanaz Mahmoudi, a Senior Front-End Developer currently crafting robust, scalable web interfaces from Tokyo. I blend solid fundamentals (HTML, CSS, JavaScript) with modern frameworks like React, Next.js, and TypeScript to deliver polished, accessible user experiences. I’ve revamped codebases using Atomic Design principles, implemented tooling such as ESLint, Prettier, and Husky, and I’ve led performance optimizations that boosted Lighthouse scores. I enjoy mentoring teammates, collaborating with design and backend teams, and building scalable UI systems that empower product teams.

Outside of day-to-day development, I contribute to open-source projects and pursue blockchain-friendly front-ends. I love tackling challenging UX problems, balancing speed with usability, and leveraging modern tooling to ship high-quality software that makes a difference for users and organizations.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Work Experience

Senior Front End Developer at Socious

September 1, 2023 - December 1, 2025

Led frontend development for multiple Socious projects (Wallet, Verify, Fund), revamping the codebase with an Atomic Design-inspired architecture and best practices. Implemented Husky pre-commit hooks and standardized code quality using ESLint and Prettier, improving consistency across the codebase. Built real-time features by integrating a WebSocket API for order books, volumes, and candlestick data. Played a key role in hiring, designing assessments, and onboarding 20+ new talents aligned with company goals. Implemented a standalone Account Center panel for Socious Identity, integrating with React-based UI/UX, and enabling secure wallet access via Cardano wallet. Collaborated with backend engineers to diagnose issues, and contributed to performance optimizations via Next.js, Tailwind CSS, and MUI-based components. Modernized UI, introduced responsive design, and set up CI pipelines with Docker-related tooling. Contributed to blockchain-related projects using Mesh.js, Ethers.js, Wagmi

Senior Front End Developer

September 1, 2023 - December 1, 2025

Led front-end for Socius Wallet, Socius Verify, and Socius Fund modules; accelerated UI development using Tailwind CSS and Material UI; modernized UI components; automated API integration with Bash to merge Swagger specs into TypeScript definitions via OpenAPI; connected wallets using Ethers.js, Wagmi, Cardano SDK; improved performance with responsive, accessible UI and lazy loading; collaboration across backend teams.

Front End Developer (Senior) at Socious

September 1, 2023 - October 28, 2025

Led front-end development across three major Socious projects — Socious Wallet, Socious Verify, and Socious Fund — driving most module front-end work. Built a standalone Account Center panel for Socious Identity with a seamless UI/UX and secure identity management. Accelerated UI development and styling with Tailwind CSS; modernized UI components using Material UI (MUI); implemented responsive, accessible interfaces with React and Next.js and TypeScript. Integrated multi-wallet connection systems (WalletConnect, Wagmi, Cardano SDK) enabling users to connect and transact with installed EVM and Cardano wallets seamlessly. Implemented WebSocket API for order books, volumes, latest transactions, and candlestick data. Automated API integration by building a Bash script to merge multiple Swagger specs into OpenAPI definitions. Improved Lighthouse performance by 25%. Mentored 4+ teammates; established code quality and consistent styling; collaborated with Backend developers to address iss

Front End Developer

December 1, 2020 - May 1, 2023

Led front-end development for web platforms and apps; HTML, CSS/SCSS, JavaScript, React.js and Next.js; implemented an Atomic Design-based architecture; configured Husky, ESLint, Prettier, and linting; integrated WebSocket API for order books, volumes, latest transactions, and candlestick data; contributed to Socius Wallet, Socius Verify, and Socius Fund; built standalone Account Center panel for Socius Identity; optimized Lighthouse performance (+25%); established CI/CD with Docker.