Senior .NET Developer — Angular, SQL Server, AI, Spec-Driven Development

Confitec

Senior .NET and Angular developer working with SQL Server and RESTful APIs. Emphasis on using AI tools and Spec-Driven Development to deliver high-quality, maintainable solutions.

Posted 6/18/2026full-timeRemote • 🇧🇷 BrazilSeniorWebsite

Tech Stack

Tools & technologies

AngularEntity Framework.NETSQLTypeScript

About the role

Key responsibilities & impact

Understand business requirements and translate them into clear, well-structured technical solutions.
Analyze and detail business rules, workflows, UI screens, integrations, validations and acceptance criteria.
Create functional and technical specifications to guide development.
Develop and evolve applications using .NET, Angular, RESTful APIs, relational databases and integrations.
Use AI tools to support development, documentation, testing, refactoring and code analysis.
Critically review AI-assisted solutions and code, ensuring quality, security, performance and maintainability.
Participate in API design, data modeling, integrations and technical decision-making.
Identify gaps in requirements, systemic impacts and technical risks.
Support less experienced developers in analysis, best practices and the responsible use of AI.
Contribute to continuous improvement of processes, technical standards and delivery quality.

Requirements

What you’ll need

Strong experience in C# and .NET development.
Experience developing and maintaining REST APIs.
Experience with Angular, TypeScript, HTML and CSS.
Knowledge of SQL Server or relational databases.
Experience with Entity Framework, LINQ, authentication, authorization and system integrations.
Knowledge of architecture best practices, code organization, design patterns and separation of concerns.
Experience with Git, code versioning and team development practices.
Critical judgment to review code, identify technical issues and propose improvements.
Good communication, autonomy, organization and collaboration with technical teams and business stakeholders.
Experience using AI tools to support development, analysis, documentation and testing.
Practical experience with tools such as Copilot, Claude, Cursor, Codex or similar.
Experience with specification-driven development, technical documentation or Spec-Driven Development.
Knowledge of automated testing, CI/CD, observability, logging and failure analysis.
Experience with systems that have complex business rules, integrations, legacy systems or the insurance domain.

Benefits

Comp & perks

Flexible working hours
Sponsorship program for courses and certifications
Discounts with partner universities
Health insurance
Dental plan
Life insurance
Profit-sharing (PLR)
Additional day off
Pet leave
Home office allowance
TotalPass
Zenklub
Guapeco

ATS Keywords

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Hard Skills & Tools

C#.NETREST APIsAngularTypeScriptHTMLCSSSQL ServerEntity FrameworkLINQ

Soft Skills

critical judgmentcommunicationautonomyorganizationcollaboration