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I am a Senior Front End Engineer with over 8 years of experience building performant and scalable user interfaces for large-scale platforms. I specialize in JavaScript, TypeScript, React, and Vue, and have a strong track record of delivering impactful features in enterprise settings. I am passionate about community-driven design, collaboration across functions, and mentoring junior developers. Throughout my career, I have achieved significant improvements such as a 35% reduction in load time and scaling user interfaces for over 100,000 users daily. I have experience with GraphQL, RESTful APIs, and distributed front-end architectures, and thrive in agile, team-oriented environments where I can share knowledge and drive UI/UX excellence.…I am a Senior Front End Engineer with over 8 years of experience building performant and scalable user interfaces for large-scale platforms. I specialize in JavaScript, TypeScript, React, and Vue, and have a strong track record of delivering impactful features in enterprise settings. I am passionate about community-driven design, collaboration across functions, and mentoring junior developers. Throughout my career, I have achieved significant improvements such as a 35% reduction in load time and scaling user interfaces for over 100,000 users daily. I have experience with GraphQL, RESTful APIs, and distributed front-end architectures, and thrive in agile, team-oriented environments where I can share knowledge and drive UI/UX excellence.

Jan Wojsik

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

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I am a Senior Front End Engineer with over 8 years of experience building performant and scalable user interfaces for large-scale platforms. I specialize in JavaScript, TypeScript, React, and Vue, and have a strong track record of delivering impactful features in enterprise settings. I am passionate about community-driven design, collaboration across functions, and mentoring junior developers. Throughout my career, I have achieved significant improvements such as a 35% reduction in load time and scaling user interfaces for over 100,000 users daily. I have experience with GraphQL, RESTful APIs, and distributed front-end architectures, and thrive in agile, team-oriented environments where I can share knowledge and drive UI/UX excellence.…I am a Senior Front End Engineer with over 8 years of experience building performant and scalable user interfaces for large-scale platforms. I specialize in JavaScript, TypeScript, React, and Vue, and have a strong track record of delivering impactful features in enterprise settings. I am passionate about community-driven design, collaboration across functions, and mentoring junior developers. Throughout my career, I have achieved significant improvements such as a 35% reduction in load time and scaling user interfaces for over 100,000 users daily. I have experience with GraphQL, RESTful APIs, and distributed front-end architectures, and thrive in agile, team-oriented environments where I can share knowledge and drive UI/UX excellence.

Available to hire

I am a Senior Front End Engineer with over 8 years of experience building performant and scalable user interfaces for large-scale platforms. I specialize in JavaScript, TypeScript, React, and Vue, and have a strong track record of delivering impactful features in enterprise settings. I am passionate about community-driven design, collaboration across functions, and mentoring junior developers.

Throughout my career, I have achieved significant improvements such as a 35% reduction in load time and scaling user interfaces for over 100,000 users daily. I have experience with GraphQL, RESTful APIs, and distributed front-end architectures, and thrive in agile, team-oriented environments where I can share knowledge and drive UI/UX excellence.

Skills

Experience Level

Expert

Expert

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Expert

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Expert

Expert

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Expert

Intermediate

Intermediate

Work Experience

Senior Front End Developer at Iron Forge Development

November 1, 2024 - August 18, 2025

Architected scalable UI for a B2B SaaS platform with over 100,000 daily users. Reduced average page load time by 35% through performance tuning and lazy-loading strategies. Integrated Elasticsearch for real-time filtering and search capabilities. Mentored junior developers to full autonomy within one month. Developed dashboards using Vue.js enabling real-time data visualization and interaction. Collaborated closely with designers and product managers to align UI/UX designs with user feedback and iterate quickly.

Front End Engineer at Viron IT

September 1, 2023 - August 18, 2025

Designed dynamic interfaces using React and Vue integrated with Django REST APIs for enterprise systems. Refactored legacy UIs and migrated jQuery codebases to Vue, improving maintainability and user retention by 25%. Delivered modular front-end features integrating GraphQL and REST APIs. Automated system maintenance tasks and reduced downtime during updates using shell scripting. Championed modern DevOps tooling including GitHub Actions and Docker for rapid CI/CD delivery. Mentored team members, led code reviews, and conducted training on GitHub usage, unit testing, debugging, and shell scripting best practices. Led UI consistency reviews and coached peers in scalable CSS architecture.

Full Stack Developer at Kanda Software

November 1, 2021 - August 18, 2025

Delivered HIPAA-compliant user interfaces for healthcare and fintech startups. Built robust front-end components with Vue.js and React featuring secure JWT/OAuth2 access. Improved throughput by 30% through collaboration across front-end and back-end teams. Revamped UI dashboards driving a 50% increase in adoption. Delivered internal workshops focused on accessibility, responsive design, and React best practices.