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Hi, I’m Hossein Naseri, a Senior Frontend Engineer with 7+ years of building enterprise-grade React, Next.js, and TypeScript SaaS platforms across ERP, fintech, and e-commerce. I’ve led frontend architecture for products serving 6M+ users and 100k+ customers, cutting load times by around 40%, and championing monorepos, design systems, Core Web Vitals, and testing. I thrive on delivering robust, scalable frontend solutions and mentoring engineers to help teams ship faster and with higher quality. I enjoy solving complex UI problems, building scalable frontend systems, and delivering delightful user experiences. I collaborate closely with product and backend teams, advocate for accessibility and performance, and love sharing knowledge with teammates and students alike. Whether remote or in-office, I’m energized by cross-timezone collaboration and turning ambitious ideas into production-ready software.…Hi, I’m Hossein Naseri, a Senior Frontend Engineer with 7+ years of building enterprise-grade React, Next.js, and TypeScript SaaS platforms across ERP, fintech, and e-commerce. I’ve led frontend architecture for products serving 6M+ users and 100k+ customers, cutting load times by around 40%, and championing monorepos, design systems, Core Web Vitals, and testing. I thrive on delivering robust, scalable frontend solutions and mentoring engineers to help teams ship faster and with higher quality. I enjoy solving complex UI problems, building scalable frontend systems, and delivering delightful user experiences. I collaborate closely with product and backend teams, advocate for accessibility and performance, and love sharing knowledge with teammates and students alike. Whether remote or in-office, I’m energized by cross-timezone collaboration and turning ambitious ideas into production-ready software.

Hossein Naseri

Front-End Developer, Web Developer, Full Stack Developer, +2

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Hi, I’m Hossein Naseri, a Senior Frontend Engineer with 7+ years of building enterprise-grade React, Next.js, and TypeScript SaaS platforms across ERP, fintech, and e-commerce. I’ve led frontend architecture for products serving 6M+ users and 100k+ customers, cutting load times by around 40%, and championing monorepos, design systems, Core Web Vitals, and testing. I thrive on delivering robust, scalable frontend solutions and mentoring engineers to help teams ship faster and with higher quality. I enjoy solving complex UI problems, building scalable frontend systems, and delivering delightful user experiences. I collaborate closely with product and backend teams, advocate for accessibility and performance, and love sharing knowledge with teammates and students alike. Whether remote or in-office, I’m energized by cross-timezone collaboration and turning ambitious ideas into production-ready software.…Hi, I’m Hossein Naseri, a Senior Frontend Engineer with 7+ years of building enterprise-grade React, Next.js, and TypeScript SaaS platforms across ERP, fintech, and e-commerce. I’ve led frontend architecture for products serving 6M+ users and 100k+ customers, cutting load times by around 40%, and championing monorepos, design systems, Core Web Vitals, and testing. I thrive on delivering robust, scalable frontend solutions and mentoring engineers to help teams ship faster and with higher quality. I enjoy solving complex UI problems, building scalable frontend systems, and delivering delightful user experiences. I collaborate closely with product and backend teams, advocate for accessibility and performance, and love sharing knowledge with teammates and students alike. Whether remote or in-office, I’m energized by cross-timezone collaboration and turning ambitious ideas into production-ready software.

Available to hire

Hi, I’m Hossein Naseri, a Senior Frontend Engineer with 7+ years of building enterprise-grade React, Next.js, and TypeScript SaaS platforms across ERP, fintech, and e-commerce. I’ve led frontend architecture for products serving 6M+ users and 100k+ customers, cutting load times by around 40%, and championing monorepos, design systems, Core Web Vitals, and testing. I thrive on delivering robust, scalable frontend solutions and mentoring engineers to help teams ship faster and with higher quality.

I enjoy solving complex UI problems, building scalable frontend systems, and delivering delightful user experiences. I collaborate closely with product and backend teams, advocate for accessibility and performance, and love sharing knowledge with teammates and students alike. Whether remote or in-office, I’m energized by cross-timezone collaboration and turning ambitious ideas into production-ready software.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Persian

Fluent

English

Advanced

Work Experience

Senior Frontend Engineer at Paradigm Digital (Client: American Standard Coatings)

June 1, 2023 - May 31, 2026

Led frontend engineering for an ERP/CRM SaaS platform serving 100k+ customers. Established GitHub Actions CI/CD pipelines and led code reviews, reducing average feature lead time from 5 days to 3. Built a configuration-driven, white-label rendering engine that auto-generates 100+ customer-specific forms and interfaces from JSON schemas for billing and supply-chain data, saving substantial development time. Implemented a monorepo-based frontend architecture with Nx and a design system (MUI, Tailwind) and emphasized accessibility (WCAG 2.2 AA) and performance. Delivered 170+ React/Next.js screens, with a focus on component-driven development and testability (Jest, React Testing Library). Mentored 2 mid-level engineers, conducted 30+ technical interviews, and hired 2 frontend developers. Produced a reliable production-ready frontend stack from MVP to full-scale production.

Senior Frontend Engineer at WalleX

February 1, 2022 - May 31, 2023

Architected a centralized Nx monorepo and shared TypeScript utilities; established a Storybook-driven design system; rolled out across 12 internal products on a fintech platform serving 6M+ users. Cut cross-team code duplication by ~40% and reduced new-feature onboarding from days to hours via shared libraries and UI components. Built frontend architecture for a financial platform from scratch—MVP and back-office dashboards for payments and trading—using Next.js and TypeScript; owned every layer from design system to production; shipped in under 7 weeks. Mentored 3 junior engineers and contributed to technical hiring and onboarding.

Frontend Engineer at Sinan Soft

January 1, 2021 - February 1, 2022

Frontend Engineer for U.S. client projects (remote, part-time). Built core modules of a Zillow-like real estate platform using React/Next.js; achieved 80%+ test coverage on core modules; introduced modern component architecture and testing strategy; rolled out across 3 squads. Coordinated with U.S. clients across time zones via Slack/Zoom/Notion; onboarded and mentored 3 junior engineers to mid-level within 12 months.

Full Stack Engineer at Quantum + Startup Accelerator

January 1, 2019 - January 1, 2021

Architected and built 5+ products across e-commerce, logistics, and B2B SaaS using React/Next.js and the MERN stack; owned frontend stack end-to-end from design to production. Shipped 2 MVPs in under 10 weeks and collaborated with founders on scoping and prioritization to align with product strategy.

Frontend Developer at Iran Web Year

December 1, 2017 - January 1, 2019

Led frontend development of a large-scale e-commerce platform serving 20,000+ users using React, Redux, and Material-UI; mentored 5 interns and contributed to a cohesive design system and scalable frontend architecture.