Senior Full Stack Engineer
Core
Design, build, and ship a multi-tenant SaaS platform including backend services, web apps, mobile apps, and third-party integrations, with a focus on payroll and financial data security.
Role type
Senior Full Stack Engineer (SaaS)
Builds
Multi-tenant SaaS platform, web dashboards, mobile applications, and third-party API integrations
Domain
Fintech / Payroll / SaaS
Deliverable
production ML models | product features
Required skills
React, Node.js/TypeScript, Python, PostgreSQL, AWS, React Native, API integration, application security, AI-assisted code review
Preferred skills
Experience with payroll/banking/telephony APIs, hands-on mobile development ownership
Technologies
React, Node.js, TypeScript, Python, PostgreSQL, AWS, React Native
Responsibilities
Design and build backend services and web/mobile applications; integrate and maintain third-party APIs; manage infrastructure, deployment, and monitoring on AWS; implement application and data security measures; review, test, and validate AI-generated code; work directly with the founder to translate requirements into technical solutions.
Seniority
Senior, hands-on IC