Job Summary: FCamara is seeking a .NET Core 6+ Developer for critical, high-performance projects involving scalability and resource optimization. Key Highlights: 1. Involvement in critical and high-performance projects 2. .NET Core 6+ development with a focus on scalability 3. Culture of knowledge sharing and professional development FCamara is looking for a developer with solid experience in .NET Core 6 or later, focused on high-performance and scalable applications. The candidate will work on critical projects with high transaction volumes and requirements for computational resource optimization. **Responsibilities and Duties** **Responsibilities:** * Develop and maintain applications using .NET Core 6\+; * Design scalable and resilient solutions for high-concurrency environments; * Optimize resource usage and manage Garbage Collector behavior; * Collaborate with architecture, infrastructure, and DevOps teams; * Participate in technical decision-making and code reviews; * Ensure application quality, performance, and security. **Requirements and Qualifications** **Mandatory Requirements:** * Solid experience with **.NET Core 6 or later**; * In-depth knowledge of **concurrency and parallelism** in .NET applications; * Experience with **performance optimization** and **memory management (GC tuning)**; * Knowledge of **high-concurrency databases** (SQL Server, PostgreSQL, etc.); * Familiarity with **Clean Code**, **SOLID**, and **Design Patterns** practices. **Preferred Qualifications:** * Experience with **messaging systems**: RabbitMQ, Amazon SNS, Amazon SQS; * Knowledge of **AWS services**, especially **S3** and **Lambda**; * Experience with **event-driven architecture**; * AWS or Microsoft certifications. * Spanish **Additional Information** **Here, we are \#OrangeBlood!** We have been operating in the market for 17 years, partnering closely with our clients to deliver transformative experiences. We are a global technology and innovation ecosystem; beyond Brazil, we operate across Europe and the UK, with offices in Portugal, London, Dubai, and the Netherlands. **F stands for Formation: We believe in practicing a culture of knowledge sharing, community awareness, and that knowledge holds the power to transform!** We run initiatives and social programs promoting development, such as the Orange Juice tech community, the Training Program, our leadership school, and numerous partnerships with NGOs and Edtechs. **At FCamara, everyone is welcome—Diversity, Respect, and Ethics are non-negotiable elements embedded in our DNA.** So, are you ready to join an amazing team and become the protagonist of your own story?