At Avenue Code, we are passionate about transforming businesses through technology. We are a leading end-to-end development consultancy for digital transformation across various markets, growing sustainably since day one. We believe that great results are born from strong relationships. Our team combines technical expertise, collaboration, and a welcoming approach to work that makes all the difference.

About The Opportunity

We are looking for a Full Stack Software Engineer with a strong focus on frontend excellence and .NET backend expertise.

In this role, you’ll design, develop, and maintain modern web applications that are responsive, performant, and secure.

You will work with a modern stack—React.js, TypeScript, Next.js, .NET Core, and Azure—to build scalable solutions that deliver seamless user experiences.

This is a hands-on position where you’ll collaborate closely with UX/UI designers, backend engineers, and DevOps professionals, driving the implementation of best practices across the entire development lifecycle.

Responsibilities

Full Stack Development: Design, develop, and maintain web applications across the stack with a focus on frontend excellence.
API Integration: Build and integrate RESTful APIs using .NET Core and C#.
Frontend Leadership: Lead the development of responsive, accessible, and high-performance UIs using React.js, TypeScript, Next.js, and modern styling frameworks like TailwindCSS or Chakra UI.
Architecture: Design and implement micro-frontends and server-side rendering solutions with Next.js.
Collaboration: Partner with UX/UI designers and backend developers to deliver seamless user experiences.
Database Management: Work with Entity Framework and relational databases such as SQL Server and Oracle DB.
DevOps: Implement CI/CD pipelines and deployment strategies using Azure DevOps.
Security: Ensure application security following OAuth2, JWT, and OWASP Top 10 best practices.
DevSecOps: Contribute to a security-first culture and DevSecOps initiatives.
GraphQL: Integrate GraphQL and federated APIs when applicable.
AI Productivity: Leverage AI-assisted development tools (e.g., GitHub Copilot) to enhance productivity and code quality.
Team Excellence: Participate in code reviews, mentoring, and continuous improvement processes.

Required Qualifications

5+ years of experience building full stack web applications.
Advanced proficiency in React.js, TypeScript, and modern frameworks such as Next.js and TailwindCSS.
Proven experience with .NET Core and C#, integrating RESTful APIs to support frontend functionality.
Experience designing and maintaining micro-frontends architecture.
Strong knowledge of Entity Framework and ORM best practices.
Hands-on experience with CI/CD pipelines and tooling (preferably Azure DevOps).
Familiarity with GraphQL and federated API design.
Experience with relational databases (SQL Server, Oracle DB).
Proven ability to build secure, scalable REST APIs and microservices.
Exposure to AI-assisted development tools such as GitHub Copilot.
Deep understanding of security principles (OAuth2, JWT, OWASP).
Experience applying DevSecOps principles in cloud environments (Azure preferred).

Nice To Have Skills

Experience with Microsoft Azure Cloud.
Familiarity with agile methodologies and tools like Azure DevOps.
Strong communication and collaboration skills across teams.
Passion for clean code, testing, and performance optimization.

Avenue Code reinforces its commitment to privacy and to all the principles guaranteed by the most accurate global data protection laws, such as GDPR, LGPD, CCPA and CPRA. The Candidate data shared with Avenue Code will be kept confidential and will not be transmitted to disinterested third parties, nor will it be used for purposes other than the application for open positions. As a Consultancy company, Avenue Code may share your information with its clients and other Companies from the CompassUol Group to which Avenue Code’s consultants are allocated to perform its services.