Fullstack Software Engineer - Commerce/Partner Success (100% Remote - Japan)

📋 Description

• • As a Full-Stack Software Engineer within Hopper Technology Solutions (HTS), you will architect the travel commerce engines powering rapid expansion into APAC markets, building localized world-class travel portals for major financial institutions and consumer brands that directly impact how millions of users experience travel.
• • Your day-to-day will involve designing and operating full-stack solutions and APIs for high-scale B2B commerce partnerships across APAC, collaborating with product and engineering teams to localize portal features, leveraging LLMs and AI tooling to generate production-grade code, developing and maintaining gRPC and REST-based microservices for real-time travel inventory and fintech ancillaries, resolving complex technical challenges autonomously while maintaining asynchronous alignment with global stakeholders, and iterating quickly on engineering improvements to enhance scalability and performance of B2B travel ecosystems.
• • You will join a high-velocity team adapting Hopper’s market-leading fintech and e-commerce stacks to meet specific regulatory and consumer demands in the world’s fastest-growing travel market, working within a proven startup backed by over $750 million in private capital and positioned as a leader in travel innovation.
• • In this role, you can deepen your expertise in full-stack development with React, TypeScript, Scala, and distributed systems, gain hands-on experience with GCP and cloud-native practices, apply AI-driven workflows including LLMs and agentic AI systems, and contribute to high-impact features that scale travel fintech and e-commerce solutions for global partners under tight commercial deadlines.