Job Overview
Location
Spain
Job Type
Full-time
Category
Software Engineering
Date Posted
June 3, 2026
Full Job Description
đź“‹ Description
- • Design, develop, and maintain high-performance frontend applications that serve millions of travelers across 200+ countries and regions on Airalo’s eSIM platform.
- • Own the end-to-end delivery of frontend features, from concept and design to deployment and monitoring, ensuring seamless user experiences across web and mobile interfaces.
- • Collaborate with product, design, and backend teams to translate complex business requirements into scalable, intuitive, and responsive user interfaces.
- • Architect and implement reusable, modular UI components that adhere to enterprise-grade standards for performance, accessibility, and maintainability.
- • Optimize application speed, responsiveness, and reliability under high traffic loads, ensuring consistent performance across diverse global networks and devices.
- • Lead technical initiatives to modernize the frontend codebase, adopting best practices in state management, testing, and CI/CD pipelines.
- • Mentor junior and mid-level frontend engineers through code reviews, pair programming, and knowledge sharing to elevate team-wide engineering standards.
- • Participate in technical planning and roadmap discussions to align frontend development with company-wide goals for scalability and global expansion.
- • Integrate frontend systems with backend APIs, carrier connectivity services, and third-party tools to enable real-time eSIM activation, usage tracking, and customer support workflows.
- • Ensure cross-browser and cross-device compatibility, with a strong focus on accessibility and inclusive design principles for a global user base.
- • Monitor application performance using analytics and observability tools to identify bottlenecks, reduce latency, and improve user retention.
- • Contribute to the evolution of design systems and component libraries to maintain consistency and efficiency across all customer-facing products.
- • Advocate for user-centered design by collaborating with product managers and UX researchers to prioritize features that directly impact traveler connectivity and satisfaction.
- • Take ownership of production incidents related to frontend systems, leading root cause analysis and implementing preventive measures to minimize recurrence.
- • Stay current with emerging frontend technologies and industry trends, evaluating their applicability to Airalo’s platform while maintaining stability and security.
🎯 Requirements
- • 5+ years of professional frontend development experience with modern JavaScript frameworks (React, Vue, or similar)
- • Proven track record of building and scaling high-traffic, globally accessible web applications
- • Deep understanding of performance optimization, accessibility standards, and cross-browser compatibility
- • Experience working in a fully remote, cross-functional engineering team
- • Strong ability to mentor engineers and drive technical best practices
- • Experience integrating frontend applications with RESTful APIs and third-party services
🏖️ Benefits
- • Fully remote work with flexible hours
- • Generous paid time off (PTO)
- • Wellness and learning allowances
- • Annual Airalo Away retreat
Skills & Technologies
Frontend
Senior
Remote
About Airalo Pte. Ltd.
Airalo Pte. Ltd. operates a global marketplace for eSIM mobile data plans, enabling travelers to buy affordable, on-demand cellular service in 200+ countries without physical SIM cards. Founded in 2019 and headquartered in Singapore, the company partners with local carriers to provide prepaid data packages accessible via its mobile and web platforms, targeting cost-conscious and convenience-seeking international travelers.
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