Senior AI Software Architect (553)

Job description

### SENIOR SOFTWARE ARCHITECT #### About the opportunity We are seeking an experienced Senior Software Architect for a hands-on role responsible for designing scalable, secure, cloud-native SaaS solutions while championing AI-first engineering practices. #### About our client Our client provides comprehensive HR software for the public sector, covering the full employee lifecycle – recruiting, onboarding, performance management, and compliance for government organizations. #### What you'll do - Design scalable, secure, and high-performance SaaS applications using *.NET* and modern cloud technologies. - Lead architecture across projects and engineering teams while mentoring senior engineers and driving technical excellence. - Design cloud-native, API-first, microservices, and event-driven solutions. - Collaborate with Architects, Product, Engineering, and DevOps teams to deliver high-quality software. - Champion AI-first software development practices across the organization, using AI tools, reusable skills, commands, and agentic workflows to improve productivity and automate tasks. #### What you bring (must-haves) - 12+ years of software engineering experience, with 5+ years in an Architect or Principal Engineer role. - Expert proficiency in *C#*, *.NET* *Core*, *Entity* Framework, and *Angular* 16+. - Strong experience with SQL Server/PostgreSQL and NoSQL databases (Amazon DocumentDB preferred). - Experience designing enterprise SaaS applications using microservices, Domain-Driven Design (DDD), CQRS, and event-driven architecture. - Strong cloud experience with *AWS* (preferred) or Azure. - Daily hands-on experience with AI coding tools (*Claude* Code, GitHub Copilot, Cursor, or similar), familiarity with LLMs, RAG, MCP, and agentic development workflows. - Excellent communication, leadership, and mentoring skills. #### Bonus points for (nice-to-haves) - GraphQL, Kubernetes, and Terraform. - Experience with CloudWatch, Datadog, or New Relic. - Background in Platform Engineering or AI Agent development. - *AWS* Solutions Architect certification. #### Perks & benefits - 💻 **Equipment provided** — none of that "bring your own device" stuff here - 🛡️ **Full back-office support** — Legal, Accounting, HR Business Partner, and Delivery team - 🧭 **Career and cultural mentoring** — how to show up, stand out, and navigate US work culture - 🗣️ **Free English lessons with a native speaker** - 🤝 **Referral bonus** — recommend Ubi to your tech friends and get paid for it - 🏖️ **Florianópolis HQ always open** — 100% remote, but the office is there whenever you want it. #### How the process works 1. Interview with our Tech Recruiter (+ quick AI assessment, if needed) 2. Client interview process (varies by company) 3. Offer 🎉 4. Onboarding with full Ubiminds support #### Why Ubiminds? With 9 years in the market and GPTW-certified, Ubiminds connects Latin American tech professionals with software companies in the US and Canada. Hundreds of professionals in data, design, product, and engineering are already growing in North American teams with our support. We're with you throughout the entire journey — Recruitment, Legal, Accounting, PeopleOps, and career guidance — so you can thrive internationally with confidence. Ready to go global? Apply now — it takes less than 5 minutes.