Khodor Ammar
Principal frontend engineer with 15+ years’ experience building high-performance, accessible, and scalable frontends. Expert in React, TypeScript, and modern web architecture, with a track record of leading teams, improving performance at scale, and delivering seamless user experiences across complex systems. Passionate about developer experience, quality, and mentoring.
Key Skills & Technologies
- Frontend React, TypeScript, JavaScript, HTML, CSS, Web Performance & Accessibility
- Backend Node.js, document-based databases, Python
- Architecture & System Design Modular components, micro-frontends, state management, security
- Leadership / Process Engineering strategy, code reviews, coaching, cross-team collaboration, performance metrics
Experience
Principal Engineer at Klarna in Stockholm, Sweden
As Principal Engineer, I lead the frontend architecture and technical strategy for Klarna’s web payment solutions. My focus is on building scalable, reliable, and accessible platforms while mentoring engineers and aligning cross-functional teams around best practices and performance goals.
Engineering Manager at Klarna in Stockholm, Sweden
Led the team responsible for Klarna’s embeddable payment widgets used globally across merchant platforms. I focused on enabling high-quality integrations, improving developer experience, and ensuring frontend scalability at Klarna’s scale.
Technical Lead at Hogarth in Dubai, UAE
Directed the frontend for a very large, globally standardized website, ensuring scalability, maintainability, and alignment with client guidelines. Also developed cross-functional tooling to support teams and improve delivery efficiency.
Technical Lead at Prototype Interactive in Dubai, UAE
Defined frontend technical vision and best practices while coaching engineers. Oversaw multiple large-scale web projects from design through delivery, with an emphasis on performance and long-term maintainability.
Senior Web Developer at STeP in Beirut, Lebanon
Transitioned from full-stack development into leading frontend initiatives, introducing modern tooling and development practices to the team.
Education
MS In Web Development from the Lebanese University,
Faculty
of Sciences II
BS in Computer Science from the Lebanese University,
Faculty
of Sciences I
Languages
Native Arabic speaker with fluent English, conversational French, and currently learning Swedish.
Others
Certified Emergency Medical Technician and trainer in leadership, teamwork, and conflict resolution at the Lebanese Red Cross Emergency Medical Services since 2007.