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

Adr Api Architecture Ddd Distributed System Domain Modeling Grpc Hexagonal Architecture Java Kubernetes Openfga Postgresql Protobuf Redis Schema Temporal Typescript Workflow

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 shape domain models and cross-team contracts across Java and TypeScript services, decision workflows, and AI agents. You will define architecture conventions, document decisions, review critical designs and pull requests, build reference modules, mentor senior engineers and Tech Leads, and write usable specifications.

Requirements

Hands-on Staff, Principal, or software architect experience with production code
Strategic and tactical DDD and hexagonal architecture expertise
Strong production experience in Java or TypeScript and fluent reading of the other language
Experience designing versioned APIs, gRPC, or event contracts
Experience with distributed systems, consistency, idempotency, long-running execution, and partial failures
Experience documenting explicit technical trade-offs
Ability to influence teams without formal authority
Rigorous use of coding agents
Clear written Portuguese and technical English reading

Responsibilities

Model bounded contexts, aggregates, invariants, and ubiquitous language with teams
Own cross-team contracts using Protobuf, gRPC, versioned schemas, and published languages
Define and evolve architecture conventions and CI fitness functions
Document architecture decisions and trade-offs in ADRs
Review critical designs and pull requests across Java and TypeScript repositories
Build proofs of concept and reference modules
Evolve AI-agent and automated-decision domain models
Evolve Java and TypeScript integrations and decision workflow orchestration
Mentor Tech Leads and senior engineers
Write conventions and specifications for people and coding agents

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