Fullstack Software Engineer – Commerce, Partner Success

Hopper

Full-Stack Software Engineer within Hopper, architecting travel commerce engines for APAC markets. Collaborating with teams to deliver B2B commerce solutions and enhance user experience across travel platforms.

Posted 4/16/2026full-timeRemote • 🇸🇬 SingaporeMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

CloudDistributed SystemsGoogle Cloud PlatformGRPCMicroservicesReactScalaTypeScript

About the role

Key responsibilities & impact

Design and operate full-stack solutions and APIs optimized for high-scale B2B commerce partnerships across APAC.
Collaborate closely with product and engineering teams to localize portal features, ensuring seamless integration with regional payment and distribution standards.
Leverage LLMs and AI tooling to generate production-grade code that accelerates the delivery of partner-specific requirements.
Develop and maintain gRPC and REST-based microservices that power real-time travel inventory and fintech ancillaries.
Work autonomously to resolve complex technical challenges while maintaining strong asynchronous alignment with global stakeholders.
Iterate quickly on engineering improvements that enhance the scalability and performance of our B2B travel ecosystems.

Requirements

What you’ll need

Extensive experience with React and TypeScript used to build highly localized, performant web interfaces for complex e-commerce environments.
Proficiency in Scala and distributed systems or a strong desire to apply functional programming to large-scale backend architectures.
Commercial mindset that prioritizes regional product-market fit and the unique user behaviors found in APAC digital ecosystems.
Adeptness with AI-driven workflows, including the use of LLMs for development and the implementation of agentic AI systems to enhance partner support.
Hands-on knowledge of GCP and cloud-native practices, specifically in managing the latency and data residency requirements of international partnerships.
Strong technical agility and the ability to fearlessly navigate unknown codebases to deliver high-impact features under tight commercial deadlines.

Benefits

Comp & perks

Well-funded and proven startup with large ambitions, competitive salary, and the upsides of a pre-IPO equity package.
Hopper covers 100% of the premiums for a group Health and Dental insurance plan.
Hopper offers life insurance and critical illness coverage to all employees.
All employees and their dependents have access to an on demand network of international doctors - anywhere and anytime.
Please ask us about our very generous parental leave, much above industry standards!.
Unlimited PTO.
Access to co-working space on demand through FlexDesk AND Work-from-home stipend.
Hopper makes the full employer contributions to CPF for first and second year Permanent Residents.
Carrot Cash travel stipend.
Entrepreneurial culture where pushing limits and taking risks is everyday business.
Open communication with management and company leadership.
Small, dynamic teams = massive impact.

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Hard Skills & Tools

ReactTypeScriptScalagRPCRESTAI toolingLLMscloud-native practicesfunctional programmingdistributed systems

Soft Skills

collaborationautonomytechnical agilityproblem-solvingasynchronous alignmentcommercial mindset