Job Description
Software Architect (.NET / Angular) – Hands-On (75% Coding)
Remote · Full-time
About Ubiminds
Ubiminds is a GPTW-certified, people-first company that partners with American software product companies to scale their development teams. We connect Brazil’s top 5% talent with innovative companies in the U.S. through a unique combination of staff augmentation and employer-of-record services.
We are supporting a U.S.-based SaaS company looking for a highly technical Software Architect who enjoys staying close to the code while guiding architectural decisions across multiple platforms and teams.
This role is 75% hands-on, working directly with .NET, Angular, and SQL Server in a modern SaaS environment that combines new services with legacy systems modernization.
Challenge
We’re looking for a hands-on Software Architect who combines strong architectural thinking with daily coding.
This role is ideal for someone who enjoys designing scalable systems, modernizing legacy platforms, and defining engineering standards, while still contributing directly to the codebase.
You’ll influence architecture across multiple SaaS products, improve platform consistency, and help engineering teams deliver high-performance, scalable, and secure systems. The role also encourages the use of AI tools to accelerate development, analysis, and engineering productivity.
What You’ll Do
Design and develop .NET Core services and APIs, improving structure and patterns within existing .NET Framework applications.
Define Angular architecture and shared UI patterns used across multiple products.
Design and optimize SQL Server schemas, stored procedures, indexing, and database performance.
Ensure performance, scalability, and reliability across multi-tenant SaaS applications.
Establish API standards, security patterns, and engineering best practices across teams.
Drive DevOps maturity, including CI/CD pipelines, infrastructure automation, automated testing, and shift-left quality practices.
Use AI tools such as GitHub Copilot and Claude to accelerate coding, refactoring, documentation, and analysis.
Collaborate with engineering teams to improve architecture across multiple codebases.
Communicate architectural decisions and technical trade-offs to senior technical and business stakeholders.
Help modernize legacy systems and modularize large enterprise applications.
Required Skills & Qualifications
8+ years of experience in enterprise software engineering.
Deep expertise in .NET Core and C#, building scalable distributed systems.
4+ years of architectural experience, including system design, standards, and platform guidance.
Strong experience with Angular and defining frontend architecture patterns.
Advanced knowledge of SQL Server, including performance tuning, indexing, and secure data design.
Experience building cloud-based applications using Azure or AWS.
Strong DevOps knowledge including:
CI/CD pipelines
Infrastructure as Code
Automated testing
Observability and monitoring
Security fundamentals
Ability to make pragmatic architectural decisions in hybrid legacy and modern environments.
Experience presenting architectural decisions to senior technical and business leaders.
Comfort using AI tools (Copilot, Claude, or similar) in daily development workflows.
Strong communication skills in English (C1 level).
Preferred Qualifications
Experience improving or modernizing legacy systems.
Experience modularizing large enterprise codebases.
Familiarity with event-driven or message-based architectures.
Exposure to AI-powered features or intelligent automation in software products.
Why Join
Opportunity to shape architecture across multiple SaaS products.
Stay hands-on in code while influencing platform-level decisions.
Work with modern cloud technologies and AI-enhanced development practices.
Be part of a culture that values autonomy, clarity, and engineering excellence.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
