Senior GenAI & Cloud-Native Architect (Remote)

OpsBrasil Serviços Cloud LTDA; United States; Remote; USD 96,000 - 207,000; Part time

Job summary

OpsBrasil Serviços Cloud LTDA is seeking a hands-on Cloud Architect to own the software and cloud-native architecture for AI-enabled applications and retrieval systems, from discovery to go-live. You will lead architectural decisions, design GenAI and RAG solutions, and guide engineers through architecture and code reviews.

This remote, part-time contractor role requires 7+ years of software engineering, deep experience with microservices, TypeScript/Node.js or Python, Kubernetes, CI/CD, and

Qualifications

• 7+ years of software engineering experience.
• Proven experience owning the architecture of production distributed systems (microservices, domain-driven design, REST and asynchronous APIs).
• Hands-on delivery of production GenAI or LLM applications, including evaluation and AI safety controls.
• Experience with RAG, embeddings, and vector databases (pgvector, OpenSearch, or equivalent).
• Strong TypeScript/Node.js or Python engineering experience.
• Deep knowledge of cloud-native patterns: containers and Kubernetes, serverless, event-driven messaging, and resilience patterns.
• Strong understanding of security in cloud-native systems: identity, authorization, secrets management, and data protection.
• Docker, CI/CD, automated testing, and observability (OpenTelemetry, Grafana, Datadog, or CloudWatch).

Responsibilities

• Design scalable, secure, and resilient architectures for AI-enabled applications, defining service boundaries, data flows, APIs, and integration patterns.
• Define cloud-native patterns across microservices, containers, serverless, and event-driven systems.
• Design and productionize GenAI and RAG solutions: model selection and routing, retrieval strategy, evaluation, guardrails, and cost/latency optimization.
• Build backend services in TypeScript/Node.js and/or Python, and event-driven workflows with queues, workers, and webhooks.
• Define non-functional requirements, evaluate trade-offs, and document decisions in ADRs.
• Translate business use cases into technical designs, assessments, and executive summaries.
• Own the architecture from discovery to go-live, guiding engineers through architecture and code reviews.
• Implement observability and secure CI/CD pipelines.

Skills

TypeScript/Node.js

Python

Cloud-native architecture

Distributed systems

Security in cloud-native systems

Docker/Kubernetes

GenAI / RAG

CI/CD

Observability

Tools

OpenTelemetry

Grafana

Datadog

CloudWatch

OpenSearch

pgvector

Terraform

CDK

Job description

OpsBrasil Serviços Cloud LTDA is seeking a hands-on Cloud Architect to own the software and cloud-native architecture for AI-enabled applications and retrieval systems, from discovery to go-live. You will lead architectural decisions, design GenAI and RAG solutions, and guide engineers through architecture and code reviews.

This remote, part-time contractor role requires 7+ years of software engineering, deep experience with microservices, TypeScript/Node.js or Python, Kubernetes, CI/CD, and