Software Development Engineer 3 (Ecommerce)

About the CompanyWe are building one of the region's most ambitious e-commerce platforms: high-traffic, multi-region, and engineered for scale.About the RoleAs a Backend Engineer, you will own critical systems that millions of customers depend on every day, from product discovery through to delivery.ResponsibilitiesDesign and build Identity Services including authentication, authorization, session management, and SSO integrations using OAuth 2.0 and JWTDevelop and maintain account management APIs covering profile updates, preferences, address book, and communication settingsBuild real-time order tracking services that aggregate status updates from warehouse, transport, and delivery systems into a unified customer viewArchitect the refunds platform handling return eligibility, refund calculations, payment reversals, and wallet credits across multiple payment methodsImplement secure, performant APIs that protect customer PII while enabling personalized experiencesDrive cross-team coordination to ensure order lifecycle events flow seamlessly from checkout through delivery to post-order supportMaintain strong observability with structured logging, customer journey tracing, and alerting on degraded experiencesOwn and deliver multi-quarter, multi-team product or platform goals, defining technical solutions that level up the entire teamMake independent technical decisions in the face of open-ended requirements, with a deep understanding of business context and customer needsDrive cross-team or cross-discipline initiatives, optimizing beyond your immediate team for broader organizational impactDesign the software and systems in your area of ownership, ensuring they meet their design objectives and align with longer-term business needsHandle complex software modules that are logically dense — whether from business, idempotence, robustness, or scalability requirementsSimplify code and infrastructure, prioritizing tasks that measurably reduce maintenance and migration costsPreemptively identify and resolve technical risks before they jeopardize projects; resolve cross-team dependencies earlyDebug and reproduce non-deterministic bugs and system issues that would normally escape less experienced engineersChampion an AI-first engineering culture — actively adopt and advocate for AI tools and assistants to maximize productivity, accelerate delivery, and multiply your team's impactDefine the technical roadmap for complex projects, provide leadership for those executing on it, and generate excitement for the team's strategySet and hold the bar for quality and best practices via code and design reviewsAct as a Culture Leader — partner with your manager to set the cultural tone, foster psychological safety, and champion inclusive practicesCoach and mentor teammates, offering direct and actionable feedback delivered with empathy to help others grow into the next levelRepresent mission, strategy, and technical challenges to candidates in a compelling wayQualificationsStrong proficiency in at least one backend language: Python, Java, or Node.js, with deep understanding of language internals and performance characteristicsProven track record of designing, building, and operating microservices architectures at scale in productionDeep experience with cloud platforms (GCP, AWS, or Azure) including architecture decisions, cost optimization, and multi-region deploymentsExpert-level knowledge of containerization (Docker) and orchestration (Kubernetes) in production environmentsStrong experience with CI/CD pipelines, deployment strategies (blue-green, canary), and automated quality gatesAdvanced database skills: query optimization, sharding strategies, replication, and data modeling for high-throughput systemsExtensive experience with event-driven architectures and message brokers (Kafka, SQS/SNS, Pub/Sub) at scaleDeep understanding of caching layers (Redis, Memcached, CDN) and their role in system performance and reliabilityStrong grasp of API security, OAuth 2.0, JWT, API gateway patterns, and WAF configurationsDomain experience in e-commerce, retail, logistics, supply chain, or similar high-traffic consumer platforms — you understand the business domain, not just the technologyYou may also register your profile through our website and apply here: https://nadia-me.com/job/details/617