Senior Full-Stack Engineer - Team Platform

The role

You will design and build permission models and access controls from React/TypeScript UIs to Python FastAPI authorization services. You will work on the IAM and permissions platform to power enterprise-grade access control.

What you will do

• Design, build, and operate core authorization primitives such as roles, policies, and fine-grained permission checks
• Manage authentication and SSO/OAuth/OIDC flows
• Guarantee strict multi-tenant isolation
• Keep fine-grained permission checks fast in the hot path
• Build audit and access-trail capabilities
• Design for regulated-industry constraints like SOC 2 and ISO 27001
• Leverage leading edge AI tools to build AI-native capabilities

Required qualifications

• 5+ years of professional full-stack experience building backend services in Python (FastAPI or equivalent), including REST APIs and databases
• Strong proficiency with React and TypeScript
• Experience building access control systems, with exposure to authentication and authorization concepts (RBAC, SSO, OAuth/OIDC, multi-tenant permissions)
• Strong engineering fundamentals with a passion for simplicity and precision
• Experience integrating into AWS or similar cloud providers
• Fluency in English, both written and spoken

Nice to have

• Deeper backend specialization (async patterns, performance tuning, data modeling)
• DynamoDB or Postgres, SQLAlchemy
• Hands-on experience designing authorization systems at scale: fine-grained / ReBAC models, policy engines (OpenFGA or Zanzibar-style systems, OPA), or multi-tenant RBAC for enterprise SaaS
• Prior ops or on-call experience

Benefits

• Top-of-market equity and cash compensation package
• Self-development budget for conferences, books or classes
• New Apple MacBook Pro
• Meaningful home office set-up

About the company

Taktile enables financial institutions to transform into AI-native organizations using a modular Agentic Decision Platform. Founded in 2020, the company powers millions of decisions daily for institutions including Mercury, Monzo, Faire, and Pleo.