Staff Full-stack Engineer - - B2B Platforms & Payment Systems (Remote-Eligible)
Core
Define destination architecture and drive innovation for B2B platforms and payment systems, transforming how small businesses manage spend and credit using AI and agentic capabilities.
Role type
Staff Full-stack Engineer (B2B Platforms & Payment Systems)
Builds
Dynamic software ecosystem for small business spend management, underwriting, lending, and credit risk scaling.
Domain
Fintech / B2B Payments / Cloud Infrastructure
Deliverable
production ML models
Required skills
Software engineering and solution architecture, Enterprise architecture and design patterns, Cloud computing (AWS/Azure/GCP), Data architecture, Distributed HPC and ML systems, Go/Java/JavaScript/TypeScript/Python/Rust/C#/Scala, Database management, Networking protocols, Mentoring senior engineers, Cross-domain architectural reviews, Agentic AI coding tools.
Preferred skills
Master's in CS/SE, 10+ years in web technologies, 10+ years in full lifecycle system development, 8+ years with public cloud platforms, 10+ years with networking protocols, 5+ years mentoring, 2+ years leading architectural reviews.
Technologies
AWS, Microsoft Azure, Google Cloud, Go, Java, JavaScript, TypeScript, Python, Rust, C#, Scala, HPC, ML systems, SPA frameworks.
Responsibilities
Articulate and evangelize bold technical vision, decompose complex problems into operational solutions, ensure quality of technical design and implementation, serve as authoritative expert on non-functional characteristics, inject advanced technical knowledge, handle multiple projects simultaneously, mentor and coach engineering community, drive modernization of monolithic systems to microservices, collaborate on long-term platform strategy and API standards, lead cross-divisional projects.
Seniority
Staff, hands-on IC with strategic influence and mentorship.