Senior Engineer

Global Business Travel — Bangalore, India

Amex GBT is a place where colleagues find inspiration in travel as a force for good and – through their work – can make an impact on our industry. We’re here to help our colleagues achieve success and offer an inclusive and collaborative culture where your voice is valued. What You’ll Do: • Design and develop end-to-end web applications using React.js, Next.js, Node.js, and Express.js • Build high-performance RESTful APIs and GraphQL endpoints with advanced optimization techniques • Develop scalable microservices architectures with event-driven patterns and real-time features • Implement CI/CD pipelines, containerize with Docker, and orchestrate with Kubernetes • Design high-availability systems (99.9%+ uptime) with fault tolerance and multi-region deployments • Conduct performance profiling, memory optimization, and implement auto-scaling solutions • Create responsive, accessible UIs with advanced CSS3, state management, and PWA features • Implement robust caching strategies using Redis and optimize for mobile performance • Mentor junior developers, conduct code reviews, and contribute to architectural decisions • Lead technical initiatives and ensure security best practices throughout the development lifecycle What We’re Looking For: • Node.js Performance Mastery: Memory profiling, event loop optimization, clustering, and advanced performance tuning • High Availability Architecture: Design 99.9%+ uptime systems with failover mechanisms, disaster recovery, and multi-region deployments • Scalability Engineering: Microservices decomposition, horizontal scaling, load balancing, and massive scale design patterns • Modern Frontend Development: React 18+, Next.js 14+, TypeScript, and advanced performance optimization techniques • Database Expertise: PostgreSQL, MongoDB, Redis with sharding strategies, query optimization, and connection management • API Design & Development: RESTful APIs, GraphQL, tRPC with proper versioning, authentication, and authorizat

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