Senior Backend Engineer - Travel Product Our Journey The ShopBack Group is Asia-Pacific’s leading shopping, rewards, and payments platform, serving over 60 million shoppers across 13 markets. In 2025, the Group continued its global growth with its expansion into North America. Driven by the vision to make every day more rewarding, ShopBack is dedicated to saving members money and time, and delivering delight every day. The platform also enables merchants and brands to engage with their members in a cost-effective manner. Founded in 2014, ShopBack now powers over US$5.5 billion in annual sales for over 20,000 online and in-store partners, and has rewarded shoppers with more than US$800 million (over S$1 billion) in Cashback to date. Through its innovative offerings, ShopBack continues to create value for both members and merchants. Notably, its payment solution, ShopBack Pay, offers members a convenient and rewarding payment option at checkout.About the Role At ShopBack, our engineering teams build scalable and operable platforms serving eCommerce and travel traffic across the region, delivering world‑class product experiences. You will join a diverse and talented team of engineers with strong ambitions to redefine how users discover, compare, and book travel products. We are now expanding our Travel engineering team and are seeking experienced engineers who have built large‑scale travel or OTA (Online Travel Agency) systems. If you have worked on flight, hotel, or activities search platforms, pricing engines, real‑time availability systems, or GDS integrations, we want to speak with you. You are someone who is resilient, self‑driven and highly motivated. You want to see the impact of your work making a difference every day. You find passion in the craft and are constantly seeking better ways to solve tough problems.\nYour Adventure Ahead Lead and deliver large‑scale travel platform components such as flight/hotel search, pricing/availability aggregation, booking flows, or content systems. Contribute to ideation, technical design, implementation, and testing of high‑impact travel product features. Design and build robust, scalable distributed systems capable of handling real‑time travel inventory and pricing. Architect clean, well‑structured APIs used by client applications for search, booking, and trip management. Collaborate closely with Product, Data, and UX teams to shape the future of the ShopBack Travel experience. Work with external partners (OTAs, GDS, suppliers) to integrate APIs, understand domain constraints, and improve reliability. Drive engineering best practices, mentor other engineers, and elevate technical standards within the team. Analyze complex requirements, propose pragmatic solutions, and articulate trade-offs clearly. Essentials to Succeed 7+ years of experience building consumer‑facing platforms or distributed backend systems. Travel / OTA experience strongly preferred. Ideal candidates have prior experience working within the travel or OTA ecosystem — such as flight metasearch, hotel aggregation, activity marketplaces, travel content platforms, or GDS/LCC/API integrations — and understand the complexities of pricing, availability, and supplier systems. Experience with flight or hotel domains is a strong advantage: availability, fare rules, rates & inventory, ranking/relevance, caching strategy, or booking orchestration. Hands-on experience working with Node.js (preferred) or other backend technologies. Experience deploying applications into cloud environments (AWS highly desirable). Strong understanding of API design, microservices, and event-driven architecture. Ability to thrive in a fast-paced, complex technical environment with high ambiguity. Strong communication skills and ability to collaborate across engineering, product, and third-party partners. Demonstrated use of Generative AI tools (e.g. ChatGPT, Cursor, Claude) to develop new or improve workflows, enhance productivity, and drive efficiency at scale Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related technical field Technologies We Use & Love Cloud: AWS Infra: Kubernetes Programming languages: NodeJS / Typescript Relational database: Postgres Message queue: Kafka, SQS Continuous Integration: Gitlab Monitoring: DataDog Big Data: Redshift, Spark, S3, etc. Communication: Slack Project Management: JIRA / Confluence Other technologies: Knative Eventing / Serving Debezium + Kafka Connect \nShopBackers' DNA Grit - We tackle all challenges head-on, working together to solve problems and achieve success. Hunger - We value hard work, and having relentless drive. Speed - We move fast and have a bias for action, all to deliver maximum impact. Impact - We focus on results, always aiming for the best possible outcomes and timelines. Growth - We embrace a growth mindset, constantly striving to learn, improve, and excel in our roles. Exclusively for ShopBackers Career progression paths and opportunities to take on greater challenges that help you realise your ambitions. Be part of a winning team on a journey to global scale. Competitive compensation based on your performance. Candid, open, and collaborative culture where feedback is valued, for everyone to grow and improve every day. ShopBack is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sexual orientation, national origin, age, disability, genetic information, veteran status, or any other protected status under applicable laws. Join our team and help us make a difference!