Senior Backend / Full-Stack Software Engineer

About The CompanyLVIS Corporation is on a mission to transform neurological care through AI-driven software. Our platform helps physicians process large-scale EEG and neurological data more efficiently, improving diagnostic speed and patient outcomes. We are a global team with headquarters in Palo Alto, California, and an office in Seoul (Gangnam), working at the intersection of healthcare, AI, and scalable cloud systems.About The RoleWe are looking for a high-impact engineer to join a small, fast-moving special projects team focused on solving critical product and infrastructure challenges. This is not a typical backend role. You will work across backend systems, data pipelines, and product features to rapidly deliver high-value functionality used in real clinical environments. We are looking for someone who moves fast, takes ownership, and uses AI effectively, while maintaining strong engineering fundamentals and code quality.ResponsibilitiesBuild and ship backend and full-stack features end-to-end with high ownershipUse Python for data processing and lightweight service development (e.g., uploader tools, pipelines)Design and improve data pipelines for large-scale medical data (EEG, signals, etc.)Develop and maintain APIs, services, and systems for data ingestion, processing, and storageWork with distributed cloud infrastructure across multiple regions (AWS-based)Rapidly prototype and iterate using AI tools while maintaining clean, scalable architectureIdentify bottlenecks and aggressively improve performance, reliability, and developer velocityCollaborate closely with product, ML, and leadership to prioritize and execute quicklyQualificationsStrong Python skills for building backend services, data processing pipelines, and internal tools (e.g., uploaders, integrations)6+ years of experience building real-world backend systems (flexible for exceptional candidates)Strong fundamentals in system design, data structures, and backend architectureAbility to move quickly and independently with high ownershipExperience using AI tools (e.g., coding assistants) to accelerate developmentGood judgment in balancing speed vs. long-term maintainability (avoiding tech debt)Comfortable working across backend and frontend when neededWho This Role Is ForThis role is a good fit if you:Enjoy solving hard problems quicklyTake ownership rather than waiting for directionCare about building things properly, not just making them workWant to have direct impact on product and usersThis role may not be a good fit if you:Prefer highly structured, slow-moving environmentsAvoid ambiguity or ownershipFocus strictly on one layer (backend only, frontend only, etc.)RequirementsRequired SkillsBackend: Java (Spring Boot), PythonInfrastructure: AWS (S3, EKS, etc.)Databases: SQL / NoSQLFrontend: Vue.jsPreferred SkillsExperience with large-scale data processing or distributed systemsExperience with asynchronous systems (Kafka, job queues, etc.)Experience in healthcare, medical data, or regulated environmentsInterest in AI/ML systems or working alongside ML teamsBenefitsBenefits: Comprehensive Health, Dental, and Vision coverageEnvironment: A collaborative, friendly workspace with a focus on ownership and professional growth