Hopper is hiring a Senior Backend Software Engineer - Payments & Fraud

**About the job** Our technology solutions in checkout domain merge advanced payment services with cutting-edge fraud detection, enhancing digital travel experiences and driving partner revenue. Our global platform delivers comprehensive payment coverage, multi-currency support, and industry-leading security technologies. We are recruiting a senior backend software engineer skilled in constructing scalable, robust system architectures to join our innovative engineering team. Within our cross-functional group of exceptional professionals, you'll develop transformative features and provide top-tier support enabling business acceleration. **Tech stack:** - Backend systems developed in Scala utilizing extensive GCP services including GKE, Pub/Sub, BigQuery, and Spanner - Containerized microservices architecture spanning 200+ services primarily on Google Cloud Kubernetes - Highly data-driven approach leveraging Amplitude, BigQuery, and Datadog **What would your day-to-day look like** - Design, construct and evaluate code for fraud prevention backend infrastructure - Implement feature iterations using Scala and GCP technologies - Rapidly deploy initial code through agile methodologies - Operate independently while maintaining close collaboration with engineering and product teams - Emphasize minimal meetings with strong asynchronous communication strategies **An ideal candidate has:** - 4+ years developing scalable backend systems - Comprehensive understanding of distributed system architectures - Capability to work autonomously with minimal supervision - Proven track record navigating complex, evolving technological environments - Exceptional cross-functional collaboration skills - Preferential experience in payments and fraud domains **Perks and benefits:** - Competitive compensation with pre-IPO equity potential - Unlimited paid time off - Travel expense stipend - Flexible workspace and work-from-home allowances - Exceptional parental leave policies - Entrepreneurial organizational culture - Transparent leadership communication - Impactful team environments - Comprehensive healthcare coverage - Disability and life insurance options - Retirement and health spending account access #LI-REMOTE **Organizational Overview** We are a pioneering global travel platform leveraging advanced data analytics and machine learning to revolutionize travel experiences. Our technology enables transparent, flexible travel solutions through innovative fintech products addressing pricing complexity and trip uncertainties. Our platform serves millions globally, with over 120 million app downloads and substantial market penetration among younger demographics. We've expanded beyond a travel application to become a comprehensive travel fintech provider and commerce platform powering major international brands. Our B2B division empowers partners by integrating advanced financial technologies into their direct channels, collaborating with leading organizations like financial institutions and airlines. We generate billions in travel and fintech transactions annually, with approximately 30% of customers purchasing additional financial products during bookings. Backed by significant venture capital and institutional investors, we're positioned as a transformative force in the trillion-dollar online travel marketplace, consistently driving innovation and user-centric solutions. Come take off with us!