Python Software Architect - Enterprise AI PlatformAbout UsWe're an AI startup revolutionizing how professionals work by building cutting-edge productivity solutions that enterprises trust. Our platform serves Fortune 500 companies and scaling businesses that demand reliability, security, and innovation.The RoleWe're seeking a Senior Software Architect to lead the design and evolution of our enterprise-grade AI platform. You'll be the technical visionary who ensures our architecture can scale from serving thousands enterprise users while maintaining the security, reliability, and performance that business customers demand.What You'll DoTechnical LeadershipDesign and evolve our multi-tenant SaaS architectureArchitect secure, scalable AI/ML pipelines that process millions of documents daily while ensuring data privacy and complianceDefine and implement API strategies that enable both internal development velocity and external partner integrationsEstablish architectural patterns and best practices that empower teams to build independently while maintaining system coherencePlatform DevelopmentBuild critical platform services using Python (FastAPI/Django) that form the backbone of our infrastructureDesign event-driven architectures using AWS services (EventBridge, SQS, SNS, Kinesis) for real-time data processingImplement robust data architectures balancing operational and analytical workloads across RDS, DynamoDB, S3, and RedshiftCreate infrastructure as code using AWS CDK (Python) that enables rapid, reliable deployments across multiple environmentsStrategic ImpactPartner with Product and executive team to translate business requirements into scalable technical solutionsLead architectural reviews and create decision records that balance innovation with technical debt managementDrive technical due diligence for enterprise customers, articulating our security and compliance postureWhat You'll BringRequired Experience8+ years of software development experience with at least 3 years in architect-level rolesDeep expertise building production systems on AWS, including compute (ECS/EKS/Lambda), data (RDS/DynamoDB/S3), and messaging servicesAdvanced Python proficiency including async patterns, performance optimization, and experience with FastAPI, Django, or similar frameworksProven track record designing systems that handle 100K+ requests/second or process petabyte-scale dataExperience with enterprise requirements: SOC2, GDPR, SSO/SAML, audit logging, and data residencyStrong background in API design, microservices patterns, and event-driven architecturesHands-on experience with Infrastructure as Code, CI/CD pipelines, and DevOps practicesConversational level English proficiency requiredTechnical CompetenciesSystem design expertise: distributed systems, CAP theorem, consistency models, scaling patternsSecurity architecture: zero-trust networks, encryption, secrets management, IAM best practicesData architecture: OLTP/OLAP systems, streaming architectures, data lakes, ETL/ELT pipelinesObservability: distributed tracing, metrics, logging, and building SLI/SLO frameworksCost optimization: FinOps practices, reserved capacity planning, architectural cost modelingPreferred QualificationsBackground in building multi-tenant SaaS platforms with complex isolation requirementsContributions to open-source projects or technical writing/speaking experienceExperience with compliance frameworks (HIPAA, PCI-DSS, FedRAMP)Startup experience with rapid scaling challengesWhat We OfferCompetitive base salary: R$ 200,000 - R$ 325,000 annually (20% increase after 6 months based on performance)Equity package with high growth potentialFlexible remote work with quarterly team gatheringsOpportunity to shape the technical direction of a modern AI-first startupOur Tech StackLanguages: Python (primary), TypeScriptInfrastructure: AWS (ECS, EKS, Lambda, RDS, DynamoDB, S3, CloudFront)Frameworks: FastAPI, Django, React, Next.jsData: PostgreSQL, DynamoDB, Redis, Elasticsearch, Apache KafkaDevOps: GitHub Actions, ArgoCD, Datadog, PagerDuty, Terraform/CDKHow to ApplyInterested? Reply directly to this post with your resume. We're looking forward to learning about the most challenging architectural problems you've solved and how you can help shape our technical future.