Senior Full-Stack Engineer (.NET/Angular) (Modernization & Security) - GovTech / HR Software in Brazil, Indiana at Jobgether
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Job Description
This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Full-Stack Engineer (.NET/Angular) (Modernization & Security) - GovTech / HR Software in Brazil.
This role offers the opportunity to work on a mission-critical platform supporting the modernization of public-sector and HR-related systems used by government institutions. You will contribute to the evolution of a large-scale .NET-based application, focusing on improving security, performance, and maintainability while gradually modernizing legacy front-end components. The environment is highly technical and collaborative, involving close work with DevOps, QA, and product teams to deliver stable and scalable solutions. You will play a key role in driving secure software practices, system refactoring, and cloud-based enhancements. This position is ideal for an engineer who enjoys balancing hands-on development with architectural thinking and incremental modernization in complex systems. Your work will directly impact system reliability, user experience, and the digital transformation of public services.
In this role, you will be responsible for maintaining, enhancing, and progressively modernizing a complex full-stack .NET application while ensuring security, performance, and scalability across all layers. You will contribute to both backend and frontend evolution, supporting long-term architectural improvements in a structured and controlled manner.
- Develop, maintain, and optimize backend services using C#, ASP.NET Core, and .NET Framework
- Build and maintain RESTful APIs with secure authentication, versioning, and clean architectural standards
- Support and gradually modernize legacy front-end components using jQuery, Kendo UI, Bootstrap, and Angular/TypeScript
- Refactor existing codebases using SOLID principles, clean architecture, and best practices without disrupting production systems
- Design and optimize SQL Server databases, stored procedures, and queries to ensure performance and reliability
- Drive security improvements, including vulnerability remediation, dependency upgrades, and OWASP compliance
- Contribute to CI/CD pipeline improvements, automated testing, and deployment reliability
- Collaborate with cross-functional teams including QA, DevOps, and product to ensure smooth delivery cycles
The ideal candidate has strong full-stack experience in .NET environments and a solid understanding of modern software engineering practices, secure development, and legacy system modernization. You are comfortable working in complex architectures and gradually improving systems without compromising stability.
- 5+ years of experience in .NET development using C# across .NET Framework and .NET Core
- Strong experience building RESTful APIs using ASP.NET or ASP.NET Core
- Solid SQL Server expertise, including schema design, indexing, and query optimization
- Front-end experience with JavaScript/TypeScript and frameworks/libraries such as jQuery, Bootstrap, Kendo UI, and Angular
- Strong understanding of clean architecture, SOLID principles, and dependency injection
- Experience with automated testing frameworks (xUnit, NUnit, Jest, or equivalent)
- Knowledge of secure coding practices, OWASP standards, and vulnerability remediation
- Experience with Git workflows and CI/CD pipelines in modern development environments
- Exposure to AWS services (EC2, RDS, S3, CloudWatch) is a plus
- Familiarity with accessibility standards (WCAG 2.1 AA / Section 508) is an advantage
- Strong communication skills and ability to work in cross-functional, agile teams
- 100% remote work within LATAM
- Competitive USD compensation aligned with market standards
- Paid time off to support work-life balance and well-being
- Opportunity to work on large-scale GovTech and HR modernization projects
- Exposure to international, high-impact engineering teams
- Collaborative and growth-oriented engineering culture
- Continuous learning opportunities in modern architecture, security, and cloud technologies