Open To Work
Nicolas Wernli
Rincon De La Victoria
Work Preference
Summary
Senior Frontend Engineer with over 15 years of experience crafting high-performance, user-centric web applications. Specialized in React, TypeScript, and modern Frontend Ecosystems. Expert in building scalable Single Page Applications (SPAs) and transitioning complex legacy systems to high-performance modern frameworks. Proven track record of leading technical teams and delivering seamless user experiences for platforms handling millions of daily interactions.
Overview
20
20
years of professional experience
Work History
Technical Lead
Reffle
Manchester, UK (Remote)
12.2024 - Current
- Modernization Strategy: Leading the UI/UX transition from legacy systems to high-concurrency SaaS interfaces, focusing on performance and user engagement for high-traffic sites.
- Frontend Excellence: Overseeing frontend standards and mentoring the team on modern JavaScript practices and responsive design principles.
- Manchester, UK (Remote)
Senior Frontend Engineer
Cecil
Sydney, Australia (Remote)
03.2021 - 12.2024
- UI Architecture: Spearheaded the development of high-performance Single Page Applications (SPAs) using React and TypeScript, delivering a robust and scalable frontend.
- Component Design: Built and maintained a reusable UI component library, ensuring consistency and accelerating development across the product.
- Optimization: Drastically improved application performance and load times by implementing advanced React patterns, code-splitting, and state management optimizations.
- Collaboration: Worked closely with designers and backend engineers to translate complex requirements into intuitive, fluid user interfaces.
- Sydney, Australia (Remote)
Senior Fullstack Developer
Cloudline Solutions
San Diego, USA (Remote)
06.2018 - 03.2021
- SPA Architecture: Designed and developed responsive frontend interfaces using Angular and TypeScript, ensuring cross-platform compatibility and high usability.
- Mobile Development: Developed a cross-platform mobile application from scratch using Flutter, delivering a unified user experience for iOS and Android.
- San Diego, USA (Remote)
- Rest API Architecture: Designed and developed high performance REST APIs using Go, DynamoDB and AWS Lambda.
Lead Frontend Developer
ClearPeaks
Barcelona, Spain (Remote)
11.2017 - 11.2018
- Engineering Leadership: Managed a team of 4 developers to build an enterprise Business Intelligence (BI) solution, focusing on complex data visualization and dashboard performance.
- Stakeholder Alignment: Translated business goals into scalable frontend architectures and user-friendly data interfaces.
- Barcelona, Spain (Remote)
Senior Fullstack Developer
BESTSELLER
Randstad, Netherlands
01.2017 - 12.2017
- E-commerce UI: Optimized the digital shopping experience by implementing new features and performance enhancements on a global e-commerce platform.
- Randstad, Netherlands
Education
Web Development
DaVinci Escuela De Arte
Buenos Aires, Argentina12.2009
High School Diploma -
Escuela Técnica ORT N2
Buenos Aires, Argentina12.2000
Skills
- TypeScript
- JavaScript (ES6)
- HTML5
- Tailwind CSS
- SPA Design
- Mobile-First/Responsive Design
- CI/CD
- Scrum
Technical Toolkit
React, Hooks, Redux/Context API, TypeScript, JavaScript (ES6+), HTML5, CSS3/Sass, Angular (Experience), Next.js, Tailwind CSS, SPA Design, Mobile-First/Responsive Design, CI/CD, Git, JIRA, Webpack/Vite, Jest, React Testing Library, ESLint, Code Reviews, UI/UX Best Practices
Beyond The Resume
- Strong focus on UX/UI best practices to ensure high accessibility and intuitive navigation.
- Over 8 years of successful collaboration within fully distributed, global engineering teams.
- Dedicated to fostering a culture of continuous learning through code reviews and frontend workshops.
Timeline
Technical Lead
Reffle
12.2024 - Current
Senior Frontend Engineer
Cecil
03.2021 - 12.2024
Senior Fullstack Developer
Cloudline Solutions
06.2018 - 03.2021
Lead Frontend Developer
ClearPeaks
11.2017 - 11.2018
Senior Fullstack Developer
BESTSELLER
01.2017 - 12.2017
Web Development
DaVinci Escuela De Arte
High School Diploma -
Escuela Técnica ORT N2