Senior Back-end Engineer (Full-time remote)

Job Overview And Responsibility

About the Role We’re looking for a seasoned Senior Backend Engineer to join our Flights OTA team at Wego. You’ll be part of a core subteam responsible for building our next-generation B2B API platform — powering millions of travelers through OTA and travel partners worldwide. As a Senior Backend Engineer, you’ll architect and deliver high-performance, secure APIs for real-time flight search and booking. You’ll work across product, data, and partner engineering teams to create scalable, resilient services that meet the demands of high-volume, low-latency travel commerce. Your work will span from architecting robust request/response flows and implementing authentication and rate-limiting, to ensuring data consistency, resilience, and observability in a high-volume, low-latency environment. In short, our ideal candidate has a deep empathy for both end users and API consumers, sets and upholds high standards for exceptional API documentation, and operates with decisive ownership and high agency. Key Responsibilities - Design, develop, and maintain scalable backend services and APIs. - Participate in system architecture discussions to design efficient, maintainable, and future-proof services. - Write clean, maintainable, and efficient code while adhering to industry best practices and internal standards. - Collaborate with Product, and Data teams to understand requirements and deliver effective technical solutions across the entire customer journey. - Improve code quality by implementing unit tests, automation, and conducting thorough code reviews. - Optimize backend systems for performance, scalability, and reliability to handle the demands of a global customer base. - Debug and resolve production issues quickly to minimize the impact on users and ensure high availability. - Stay current with emerging technologies and propose innovative solutions to enhance systems and processes. - Create and maintain documentation such as RFCs to improve communication across the organization.