Senior Backend Engineer – Fulfillment Systems

Adventure is our Culture. Join a team that celebrates a lifestyle as bold as the terrain we love. At Backcountry, we are rooted in adventure, recognition, and wellbeing on and off the mountain. We spotlight employee stories, celebrate milestones, and offer exclusive outdoor perks. Whether you are at HQ, in a retail store, or remote, you will be part of a team that thrives on energy, exploration, and connection. Reports to: Director of Engineering Location: Remote (Costa Rica)/ Remote (United States)/ Remote (India) About the role Backcountry is looking for a senior engineer to own the architecture and evolution of the ecommerce fulfillment systems that power how orders move from click to doorstep. As Senior Software Engineer, Ecommerce Fulfillment , you will drive hands-on development across order management and warehouse management systems while leveraging AI toolsets to raise engineering throughput and quality across the team. Within your first 6–12 months, you will have delivered measurable improvements to system scalability and reliability, reduced technical debt in legacy components, and established patterns for AI-accelerated development that other teams adopt. This is a lean team. You will own a lot, move fast, and make decisions with full end-to-end responsibility. What You'll do Drive architecture design, hands-on development, testing, deployment, and production support for ecommerce fulfillment systems including order management and warehouse management. Leverage AI toolsets to improve engineering delivery throughput, quality, and reliability. Share and evolve AI capabilities with other developers and teams, raising the bar for AI use across the organization. Partner with Product and Engineering leadership to deliver scalable, user-focused features that elevate business value. Champion modern engineering practices including clean architecture, unit testing, automation, performance optimization, and observability. Break down large projects into manageable delivery chunks, clearly communicating status, roadblocks, and dependencies across teams. Influence architectural direction and propose improvements that enhance system performance, scalability, reliability, and maintainability. Produce high-quality documentation including TRDs, diagrams, technical instructions, and onboarding materials. Improve reliability monitoring, alerting, and incident response for mission-critical systems. Identify opportunities to simplify legacy components, reduce technical debt, and deliver long-term efficiency gains. Required Qualifications Bachelor's or Master's degree in Computer Science or a related field 10+ years of professional software development experience with a strong ecommerce background Hands-on experience leveraging AI toolsets for productivity and development acceleration Expertise with Java and Spring Boot Familiarity with order management and warehouse management systems Deep expertise in software architecture, distributed systems, and design patterns including pub/sub and event-driven architecture Proficiency in at least one core backend language such as Java, Python, or C# Strong understanding of relational databases and SQL Hands-on skill with Docker, Kubernetes, and CI/CD pipelines Experience with AWS or GCP and cloud-first architecture Excellent communication and cross-functional collaboration skills Strong problem-solving ability and the capacity to think creatively and strategically Why Join The people who do best here are builders. They take ownership, move fast, and want to see the direct impact of their work. Cross-Functional Impact: Your work touches order management, warehouse systems, and the broader engineering organization. You will influence architectural decisions and partner directly with cross-functional leadership to solve real fulfillment challenges. AI-First Skill Building: Get hands-on with advanced AI tools driving complex agentic workflow and toolset development that brings real value to both the engineering department and customers. End-to-End Ownership: Own architecture, delivery, and production reliability for mission-critical fulfillment systems. You will identify problems, propose solutions, and ship them. Competitive Benefits (US): Paid time off policies, 401(k) match, medical/dental/vision and a variety of supplemental policies, and employee discounts across our portfolio of brands. Competitive Benefits (Costa Rica): We offer an attractive benefits package including primarily remote work, private medical and life insurance, additional paid time off, monthly allowances and reimbursements, employee discounts, and opportunities for professional growth. Interview Process Recruiter Screen - A 30-minute conversation with our recruiting team to align on the role, your background, and what you are looking for. Hiring Manager Interview - A deeper conversation focused on your architecture experience, ecommerce fulfillment domain knowledge, and approach to AI-accelerated development. Technical Discussion - A hands-on review of system design, distributed architecture patterns, and problem-solving approach with members of the engineering team. In-Person Interview - We'd like to meet you at our [office location]. Details and logistics will be arranged with your recruiter. Reference Checks - Conducted in parallel with the final stages where possible. Offer - We move quickly for the right candidate. Interview process is subject to change. Any updates will be communicated promptly and clearly.