Software Architect (.Net+React)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Software Architect (.Net+React) based in Brazil.

We are looking for an experienced Software Architect to help design and evolve scalable, secure, and high-performing web applications. You will work across backend and frontend technologies, with a strong focus on .NET Core, JavaScript, and React. The role combines hands-on architecture, software engineering, security, performance optimization, and technical leadership. You will also leverage AI tools and agentic development practices to improve code quality, accelerate delivery, and modernize engineering workflows. The environment is collaborative and highly focused on continuous learning, innovation, and technological adaptability. This is an opportunity to influence architectural decisions while mentoring developers and contributing to solutions with meaningful business impact.

Accountabilities:: Design, develop, and maintain scalable, secure, and high-performing backend applications using .NET Core.

Contribute to the architecture and evolution of web applications across backend and frontend layers.

Develop and maintain user interfaces using JavaScript and React, ensuring maintainability, performance, and usability.

Identify and remediate application security vulnerabilities while promoting secure development practices across frontend and backend code.

Design and implement RESTful APIs and integrations following sound architectural and engineering principles.

Improve application architecture, performance, scalability, reliability, and overall technical quality.

Work across multiple projects and technology stacks, adapting to new frameworks, languages, and tools as business and technical needs evolve.

Incorporate AI tools and techniques into software development workflows to improve productivity, code quality, and delivery efficiency.

Apply AI agents throughout the software development lifecycle, supporting activities such as codebase onboarding, refactoring, implementation, testing, and delivery.

Participate in architecture discussions, technical design sessions, and implementation planning.

Promote secure coding, testing, code quality, and engineering best practices across development teams.

Mentor developers and contribute to a culture of technical growth, knowledge sharing, and continuous improvement.

Take proactive ownership of technical challenges, identifying risks early and driving solutions through to resolution.

Requirements:

Proven experience in backend software development, with strong expertise in .NET Core .

Strong understanding of software engineering principles, architecture concepts, and design patterns.

Solid proficiency in JavaScript and frontend technologies, particularly React .

Experience designing and developing RESTful APIs.

Experience working with relational and non-relational databases, such as SQL Server, MySQL, and PostgreSQL .

Familiarity with cloud computing platforms, particularly AWS .

Experience with Git and modern CI/CD practices.

Practical experience using Claude Code through terminal, IDE, and GitHub integrations to accelerate codebase onboarding, cross-file refactoring, and feature development.

Hands-on experience applying AI agents across the software development lifecycle , preferably within production engineering environments.

Strong interest in AI technologies and their practical application to software development.

Proactive ownership, with the ability to identify challenges, propose solutions, and drive them to completion with limited supervision.

Strong critical-thinking and problem-solving abilities, including the ability to challenge assumptions and analyze problems from fundamental principles.

Demonstrated adaptability and eagerness to learn new technologies, frameworks, and programming languages.

Excellent communication and collaboration skills, with a strong team-oriented mindset.

Ability to work across different projects and technology stacks while maintaining high standards of quality and security.

Benefits:

Health and dental insurance.

Meal and food allowance.

Childcare assistance.

Extended paternity leave.

Partnerships with gyms and health and wellness professionals through Wellhub (Gympass) and TotalPass.

Profit Sharing and Results Participation (PLR).

Life insurance.

Continuous learning platform through CI&T University.

Partnerships with online education and learning platforms.

Language learning platform.

Discount club.

Free online platform focused on physical, mental, and overall well-being.

Pregnancy and responsible parenting course.

Access to a supportive environment with dedicated health, well-being, and inclusion resources.

Opportunities for continuous technical development and exposure to AI-driven software engineering practices.

How Jobgether works: We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best!  Why Apply Through Jobgether?    Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.     #LI-CL1