Team Lead, Full Stack Engineer (React + .NET)

Responsibilities

• Lead and build the team
• Mentor and grow a team of full-stack engineers
• Set the bar for code quality, architecture, and engineering culture
• Own the team’s technical roadmap
• Define how the payments platform evolves
• Drive AI adoption across the team
• Evaluate and measure AI tool usage as part of team performance
• Ensure every engineer is actively leveraging the AI tools provided
• Build and ship product
• Architect and build full-stack payment features end-to-end
• Collaborate and communicate
• Work cross-functionally with product managers, designers, back-end engineers, and QA
• Translate business requirements into technical plans
• Manage delivery
• Balance feature delivery, tech debt, and modernization work

Requirements

• Experience and leadership
• Advanced TypeScript, modern React (hooks, suspense, server components) in production
• Strong production experience in .NET / C# (.NET 6/8 or later), RESTful APIs, microservices, and SQL Server (T-SQL, Entity Framework)
• Cloud experience, AWS preferred (Lambda, ECS, RDS, SQS, S3, CloudWatch)
• Architectural judgment on service boundaries, async messaging, caching, consistency trade-offs, state management, and API design
• Payments experience (strongly preferred)
• Production payment systems experience
• Familiarity with PCI-aware patterns, tokenization, and the operational side of payments: refunds, disputes, ACH and eCheck, PAD, surcharging, payouts
• Exposure to ledgering, trust accounting, merchant onboarding and KYC flows, or processor migrations is a strong plus
• AI-augmented development
• Actively use Claude, Claude Code, GitHub Copilot, Cursor, or similar AI coding assistants daily
• Helped other engineers adopt AI tools
• See AI fluency as a core engineering skill