Mid-Level .NET/React Fullstack Developer

Full Stack .NET/React Developer

About the role

NAVA is looking for a Full Stack .NET/React Developer to work on a strategic project for a major client, contributing to the development, evolution, and maintenance of enterprise applications.

In this position, you will have the opportunity to work end-to-end on solution development, combining backend and frontend technologies, integrations, databases, microservices, and Cloud environments, directly contributing to the quality, performance, and evolution of the applications.

Key responsibilities

In this position, you will be responsible for:

• Developing and evolving Full Stack applications using .NET and React
• Working on backend and frontend solution development, ensuring quality, performance, and scalability
• Developing and maintaining integrations with REST and SOAP APIs
• Working with relational and non-relational databases, including MySQL, PostgreSQL, and NoSQL
• Developing and maintaining microservices-based solutions
• Implementing security best practices using protocols such as OAuth, JWT, and SSL/TLS
• Working in Cloud Computing environments, especially AWS
• Working with messaging solutions, contributing to distributed architectures and system integration
• Contributing to continuous improvement, code quality, performance, and solution evolution
• Participating in development ceremonies and rituals in agile environments
• Collaborating with professionals from different areas in defining and implementing technical solutions

Requirements

For this opportunity, it is important that you have:

• Experience with development using .NET
• Experience with frontend development using React
• Experience with REST and SOAP API integration
• Experience with messaging solutions
• Knowledge of MySQL, PostgreSQL, and NoSQL databases
• Knowledge of security protocols and practices, such as OAuth, JWT, and SSL/TLS
• Experience or solid knowledge of microservices architecture
• Experience with Cloud Computing environments, especially AWS
• Experience with agile methodologies, such as Scrum and Kanban
• Knowledge of development best practices, code quality, and system integration

Preferred qualifications

It will be a plus if you have:

• Experience developing large-scale enterprise applications
• Experience with distributed architectures and high-availability systems
• Experience with different messaging solutions
• Knowledge of CI/CD and DevOps practices
• Experience with monitoring, observability, and troubleshooting in Cloud environments
• Knowledge of architecture and software development patterns
• Experience in application modernization and Cloud migration projects

Work model

Model: Hybrid — 3x per week

Work location: South Zone — São Paulo/SP

Benefits

At NAVA, we offer a benefits package designed to support different moments of life and professional journey:

• Meal/food voucher
• Multi-benefit card
• Medical and dental insurance
• Life insurance
• Wellhub
• Childcare assistance, according to current policy
• Personal assistance
• Pharmacy card
• Partnerships with discounts in education, services, culture, and leisure

About NAVA

We operate at the core of leading companies in their segments, where technology, strategy, and operations meet. We design architectures, structure governance, and transform complexity into clarity, creating solutions that continuously drive growth, efficiency, and competitiveness.

With around 2,000 specialists, NAVA connects creative thinking, advanced engineering, and GenAI-powered technology to accelerate business results. We work in data, cybersecurity, cloud, observability, infrastructure, application modernization, and creative innovation, serving as the link that keeps technology and business moving in the same direction.

Our ecosystem expands this capability through GH Brandtech, which combines brand strategy, experience, design, and digital products; Ventura, a reference in cybersecurity, incident response, and crisis management; and ®CS Global IT, specialized in Cloud, Multicloud, and Data Center. Together, they strengthen our ability to deliver scalable solutions that drive innovation, sustainable growth, and competitive advantage.