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Principal Full Stack Engineer – AI First Development
Location
Brazil
Posted
2 days ago
Salary
0
Seniority
Lead
Job Description
Principal Full Stack Engineer – AI First Development
Ubiminds
• Design, develop, and deliver scalable multi-tenant SaaS applications using .NET, Angular, SQL Server/PostgreSQL, and AWS. • Own end-to-end delivery of features, from domain modeling and backend services through frontend implementation, automated testing, deployment, and production support. • Generate production-ready code using AI-assisted development tools such as GitHub Copilot, Cursor, Claude Code, and Replit-based workflows. • Collaborate with Architects to define application architecture and validate technical approaches through Proof of Concepts (PoCs). • Design systems using modern architectural patterns including: Domain-Driven Design (DDD) CQRS Event-Driven Architecture Backend-for-Frontend (BFF) API Gateway • Build modern Angular applications using standalone components, Signals, RxJS, Reactive Forms, and reusable UI architectures. • Design efficient database models and optimize SQL performance for high-volume SaaS applications. • Implement scalable integration, messaging, and distributed system patterns. • Troubleshoot complex production issues, perform root cause analysis, and continuously improve system reliability and performance. • Mentor engineers through architecture guidance, technical leadership, code reviews, and knowledge sharing. • Drive engineering best practices around quality, automation, security, observability, and AI-powered software development.
Job Requirements
- 10+ years of professional software engineering experience.
- Experience as a Principal Engineer, Lead Engineer, Software Architect, or equivalent technical leadership role.
- Expert-level proficiency with:
- C#
- .NET
- Entity Framework
- Angular
- SQL Server and/or PostgreSQL
- Strong experience designing and building:
- Multi-tenant SaaS applications
- Distributed systems
- REST APIs
- Event-driven architectures
- Deep expertise with:
- Domain-Driven Design (DDD)
- CQRS
- Secure and scalable application architecture
- Advanced knowledge of SQL optimization, data modeling, Redis, and OpenSearch/Elasticsearch.
- Experience with automated testing, CI/CD pipelines, Git, Agile methodologies, and modern DevOps practices.
- Experience with observability platforms and code quality tools such as SonarQube, Mend, Datadog, CloudWatch, or similar.
- Hands-on experience using AI-powered development tools such as GitHub Copilot, Cursor, Claude Code, or similar coding assistants.
- Strong leadership, mentoring, communication, and problem-solving skills.
- Bachelor's degree in Computer Science, Engineering, or equivalent professional experience.
- English proficiency at C1 level (written and verbal).
Benefits
- Full support from Ubiminds, including career guidance, HR, and administrative services.
- Remote-first culture with outstanding opportunities for international career growth.
- Opportunity to influence platform architecture, coding standards, and long-term technical strategy.
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