Senior Software Engineer, Back-End (Vault)
Core
Design, build, and operate scalable cloud-based backend services and APIs for the Collectors Vault, a secure storage platform enabling collectors to manage, protect, buy, sell, and move digital assets like trading cards, coins, and video games.
Role type
Senior IC backend software engineer
Builds
Scalable cloud-based systems and APIs for the Collectors Vault platform
Domain
Fintech / Digital Collectibles / Asset Management
Deliverable
production ML models | product features
Required skills
Java, AWS (serverless, event-driven), distributed systems, API design, OOP, design patterns, testing, security, observability, modern AI tools (Claude Code, Codex)
Preferred skills
C#, experience with modern AI tools for development workflow
Technologies
AWS, Java, C#, serverless, event-driven architectures
Responsibilities
Design and build scalable cloud-based systems on AWS; Develop APIs and backend services; Own technical architecture and delivery of end-to-end features; Improve and evolve existing systems for performance and scalability; Leverage modern AI tools to accelerate development; Provide technical leadership through design and code reviews
Seniority
Senior, hands-on IC with mentorship
