Senior Frontend Developer React

VAAS is a Brazilian risk-intelligence platform unifying compliance, fraud prevention, and credit decisioning.

Florianópolis, Brazil
About VAAS

VAAS Tecnologia Ltda operates a B2B risk-management platform for fintechs, banks, insurers, and other enterprises. Its platform combines data-source orchestration, configurable workflows, AI agents, collaborative decision tables, and continuous risk monitoring for KYC/KYB/KYE/KYS, compliance, fraud prevention, and credit operations.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will create interfaces for configuring, publishing, monitoring, and reviewing AI agents. You will display real-time executions and evidence, support human approval flows, handle streaming and recovery states, evolve the design system, integrate typed backend data, and deliver component and end-to-end tests.

Requirements

  • Strong production experience with React and TypeScript
  • Experience with server state and caching using TanStack Query or equivalent
  • Experience building accessible design systems with tokens and composition
  • Experience with real-time data, streaming, SSE, or WebSocket
  • Accessibility and large-list and graph performance expertise
  • Automated component and end-to-end testing experience
  • Rigorous use and review of coding agents
  • Clear written Portuguese and technical English reading

Responsibilities

  • Build interfaces to configure, publish, and monitor AI agents
  • Visualize agent execution stages, consumption, and real-time progress
  • Build human review and approval flows
  • Present decisions and evidence clearly
  • Handle streaming, partial states, errors, and recovery states
  • Evolve accessible and consistent design-system components
  • Integrate with the backend through tRPC and shared types
  • Write component and end-to-end tests
  • Collaborate on interface specifications and decisions

Benefits

  • 30 days of paid leave after one year
  • Caju meal and transportation allowance for hybrid or onsite workers
  • Wellhub
  • Conexa telemedicine and Psicologia Viva
  • Two monthly nutritionist appointments
  • Two monthly psychologist appointments
  • Discounted general practitioner and specialist telemedicine appointments
  • Dasa exam discounts of more than 15%
  • Pague Menos pharmacy discounts of 20% to 30%
  • Free parking
  • Birthday-month day off

Hiring Process

Application → screening → HR cultural-fit conversation → technical interview with managers → final interview with directors → offer