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 Required qualifications 7 years of experience in backend software engineering including hands-on coding and system design Proficiency in AI coding agents like Claude Code Cursor or similar Proficiency in Java or a similar backend programming language experience with Go is a plus Experience with cloud platforms e g AWS GCP Azure and container technologies e g Docker Kubernetes Strong knowledge of relational databases e g PostgreSQL MySQL and database optimization techniques Familiarity with caching technologies e g Redis Memcached to optimize system performance Solid understanding of system architecture scalability and reliability best practices Experience with CI CD practices and automated pipelines Solid troubleshooting and debugging skills for production systems Familiarity with monitoring and observability tools e g Datadog Prometheus Grafana In addition our ideal candidates are expected to Maintain rigorous standards for both personal and team performance encompassing engineering and communication disciplines Proactively identify areas for enhancement across all operational domains Possess advanced proficiency in both written and spoken English to facilitate effective collaboration with international teams and departments Effectively manage complex and extensive project scopes focusing on comprehensive product delivery rather than isolated feature implementation Demonstrate robust ownership of product development and issue resolution coupled with the ability to self-resolve obstacles through proactive communication