Job Summary: Software Architect to lead technical decisions, evolve the ERP SaaS platform architecture, and act as a bridge between business, product, and development teams. Key Highlights: 1. Lead technical decisions and evolve the ERP SaaS platform architecture 2. Ensure scalability, security, performance, and sustainability of the codebase 3. Act as a bridge between business, product, and development teams **Software Architect (ERP / SaaS)** Job Summary * We are seeking a Software Architect to lead technical decisions and evolve the architecture of an ERP SaaS platform, ensuring scalability, security, performance, and sustainability of the code. This professional will act as a bridge between business, product, and development teams. **Key Responsibilities** * Define and evolve the ERP software architecture (backend, frontend, integrations, and data) * Enforce clean architecture, SOLID, DDD, and industry best practices * Design and implement multi-tenant, scalable, and resilient architectures * Support decisions regarding refactoring, technical debt, and technical roadmap * Define integration standards (REST APIs, messaging, events) * Address security, authentication, authorization, and LGPD compliance * Support development teams in technical reviews and solution design * Evaluate technologies, frameworks, and tools * Collaborate with product to translate business requirements into technical solutions **Mandatory Technical Requirements** * Proven experience as a Software Architect or Senior Developer * Strong expertise in .NET / C# (ASP.NET, Web API, background services) * Experience designing SaaS system architectures * Experience with SQL Server (data modeling, performance tuning, indexing, partitioning) * Solid knowledge of: * DDD (Domain-Driven Design) * Clean Architecture * SOLID principles * Design patterns * Experience with fiscal integrations (NFe, NFCe, NFS-e, CT-e, MDF-e) — highly desirable * Experience with version control (Git) and CI/CD pipelines * Hands-on experience with cloud platforms (Azure, AWS, or similar) **Preferred Qualifications** * Prior experience with ERP systems or fiscal systems * Knowledge of event-driven architecture * Experience with messaging systems (RabbitMQ, Azure Service Bus, Kafka) * Experience with Docker / Containers * Familiarity with Power BI / Data Warehouse * Experience in multi-company / multi-branch environments **Behavioral Profile** * Strategic and systemic mindset * Ability to make technical decisions based on business impact * Clear communication with both technical and non-technical teams * Technical leadership without formal management responsibilities * Strong sense of ownership and quality * Hands-on profile with focus on strategic direction **Experience Level** * Senior / Specialist * Potential progression to Head of Engineering / CTO depending on company growth Employment Type: Freelance / PJ Compensation: R$9.000,00 - R$15.000,00 per month Benefits: * Health insurance * Fuel allowance * Education allowance * Food voucher * Meal voucher * Transportation voucher