Mid/Senior Full Stack Developer – C#/.NET

Job Purpose

Work on the development, evolution, and maintenance of Full Stack applications using C#/.NET on the backend and React/Next.js on the frontend, contributing to robust, secure, scalable, and high-performance solutions. Participate in the technical evolution of applications, API development, integrations, continuous improvements, and building new features.

Work Model: 100% on-site – Vila Jaguara, São Paulo/SP

Employment Type: CLT

Schedule: Monday to Friday, from 8:00 AM to 6:00 PM, with a 1-hour 12-minute break.

Benefits

• Unimed/Bradesco health plan, optional.
• Odontoprev dental plan, optional.
• Life insurance, optional.
• Food voucher of R$ 275.00/month.
• On-site restaurant/canteen, with cost-sharing.
• Parking.
• Transportation voucher.
• Shuttle service between train/metro station and workplace.
• PPR/PLR according to company rules and cycle.
• Discounts at educational institutions and language courses.
• Discounts and promotions on company products.
• Gympass.
• On-site restaurant.
• Insulated bag/kit with company products at the end of the year.

Main Responsibilities

• Develop and evolve Full Stack applications using C# and .NET.
• Develop and maintain RESTful APIs, following best practices for security, versioning, and development.
• Develop interfaces using React and Next.js.
• Implement new features and maintain existing systems.
• Work with relational databases, especially SQL Server and PostgreSQL.
• Develop code with a focus on quality, security, performance, and scalability.
• Create and maintain automated tests.
• Work with Git/GitHub and CI/CD processes.
• Participate in defining and evolving the technical solutions and architecture of applications.
• Work with services and resources in AWS.
• Support the identification and resolution of technical issues.
• Participate in DevOps and continuous integration practices.
• Collaborate with different areas and professionals involved in projects.
• Participate in agile rituals and contribute to continuous process improvement.
• Share knowledge and provide technical support to other team members.

Development and Technologies

• Develop applications using C# and .NET/.NET Core.
• Develop and maintain RESTful APIs.
• Work with React and Next.js.
• Work with SQL Server and PostgreSQL.
• Use Git/GitHub for code versioning.
• Work with GitHub Actions and/or GitLab CI.
• Develop and maintain automated tests.
• Use CI/CD and DevOps practices.
• Work with AWS services, especially Lambda, S3, and ECS.
• Apply best practices for development, security, performance, and code quality.

Architecture and Integrations

• Contribute to the evolution of architecture and developed solutions.
• Support the development of scalable and high-performance solutions.
• Work with integrations between systems and services.
• Participate in the development of distributed applications and cloud solutions.
• Support the identification and resolution of issues related to applications and integrations.
• Contribute to technical decisions related to the structure, development, and evolution of applications.

Requirements

• Solid experience with C# and .NET.
• Experience with .NET Core / ASP.NET Core.
• Experience developing RESTful APIs.
• Experience with React and/or Next.js.
• Experience with relational databases, especially SQL Server and PostgreSQL.
• Knowledge of Git/GitHub.
• Experience or familiarity with GitHub Actions and/or GitLab CI.
• Knowledge of CI/CD and DevOps practices.
• Experience with AWS.
• Knowledge of Lambda, S3, and ECS.
• Experience with automated tests.
• Knowledge of best practices for development, security, performance, and scalability.
• Good communication skills and ability to work in a team.
• Autonomy to lead activities and solve technical problems.
• Ability to interact with different areas and explain technical decisions clearly.

Preferred Qualifications

• Experience with microservices.
• Knowledge of distributed application architecture.
• Experience with Docker and containers.
• Knowledge of TDD/BDD.
• Experience with high-performance and scalable solutions.
• Experience with AWS environments.
• Experience with advanced DevOps and CI/CD practices.
• Knowledge of software architecture and engineering best practices.

Behavioral Characteristics

• A proactive and accountable profile regarding deliverables.
• Commitment to quality and development best practices.
• Good communication skills and ability to work in a team.
• Ability to interact with business areas and different stakeholders.
• Critical thinking and ability to propose improvements.
• Autonomy to lead activities and seek solutions.
• Ability to work in multifunctional squads.
• Interest in continuous learning and new challenges.
• Adaptability in the face of changes and new challenges.
• Ability to explain experiences, projects, and technical decisions clearly.
• Ability to identify when it is necessary to ask for team support.

Technologies and Knowledge for the Position

Required:

C# | .NET | .NET Core | ASP.NET Core | REST APIs | React | Next.js | SQL Server | PostgreSQL | AWS | Lambda | S3 | ECS | Git/GitHub | GitHub Actions | GitLab CI | CI/CD | Automated Tests

Preferred:

Microservices | Distributed Architecture | Docker | Containers | TDD | BDD | DevOps | Software Architecture | High Performance | Scalability