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

Agent Backend Distributed System Domain Modeling Evaluation Kubernetes Lgpd Llm Node.Js Observability Postgresql Prompt Injection Redis Schema Security Temporal Tool Calling Typescript

Candidate Availability

Hybrid · Florianópolis · Required

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

About the Role

You will design and operate AI agents and TypeScript backend services for regulated decision-making. You will build durable execution, model integrations, guardrails, evaluations, observability, and tests. You will handle personal-data safeguards and collaborate on specifications, ADRs, and documentation.

Requirements

Strong production backend experience with TypeScript and Node.js
Experience launching and operating an LLM feature in production
Experience with domain modeling, versioned schemas, and compatibility
Experience with distributed systems, idempotency, retries, timeouts, and long-running executions
Automated testing and observability experience
Rigorous use and review of coding agents
Clear written Portuguese and technical English reading

Responsibilities

Model domains and contracts with versioned schemas
Develop TypeScript backend services using Node.js or Bun and NestJS
Integrate language models through tool calling, structured outputs, streaming, and multiple providers
Build durable execution with retries, idempotency, and resumption
Implement agent limits, budgets, and autonomy policies
Design evaluations for quality, cost, and latency
Build guardrails against prompt injection, data leakage, and tool misuse
Protect personal data through minimization, masking, LGPD controls, and data residency
Operate services through metrics, logs, tracing, and shared on-call

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%
Parking allowance
Birthday-month day off

Hiring Process

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