Category: Technology
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We're looking for a Senior Backend Engineer with deep expertise in Java to build resilient, high-throughput, low-latency distributed systems capable of handling tens of thousands of concurrent requests. You'll own end-to-end supplier integrations, working directly with external suppliers to implement REST API and webhooks integrations.The role requires strong product intuition and a deep understanding of the full passenger lifecycle, from bookings and order creation to modifications and cancellations, as well as how these workflows operate reliably across a multi-tenant platform.
- Own the supplier integrations process from gathering requirements and API design through production deployment and ongoing partner relationships.
- Integrate with supplier APIs (RESTful/webhooks) by implementing secure, reliable connections that handle authentication, rate limiting, retries, and complex error scenarios.
- Build event-driven microservices that process high-volume transactions with strict latency requirements across a multi-tenant architecture.
- Deploy and operate production services on AWS with monitoring and observability, maintaining 99.99% uptime SLA.
Requirements
- 5+ years backend engineering experience with ownership of production systems serving at least 10,000+ daily active users.
- Ability to gather requirements from suppliers, analyse integration specifications, and communicate effectively with key stakeholders throughout the integration lifecycle.
- Expert in Java, with extensive experience writing concurrent, multithreading, and asynchronous code for high-performance systems.
- Deep expertise with Spring ecosystem (Spring Boot/Data/Security), building scalable APIs and microservices.
- Proven ability to integrate and operate RESTful APIs with third-party suppliers, handling authentication, rate limiting, and error scenarios.
- Strong understanding of distributed systems: event-driven patterns, messaging brokers (eg. RabbitMQ, Kafka, AWS SQS/SNS), and resilient design (idempotency, circuit breakers).
- Proven experience with both SQL (Postgres/MySQL) and NoSQL (MongoDB), knowing when to use each technology.
- Skilled in AWS infrastructure, Docker, CI/CD, infrastructure as code, and production monitoring.
- Mentor team members when required through code reviews and architectural guidance while communicating technical decisions to stakeholders.
Benefits
- Above-market base salary (location-adjusted) + meaningful equity (3-year vesting schedule).
- Fully remote.
- Travel perks, events, and hands-on access to ’s ancillary products including lounges, eSIMs, car rentals, and more.
- Early-stage well-funded startup with real ownership and impact on the company's success.
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