This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior .NET Developer based in Brazil. This role is designed for an experienced backend developer who wants to build scalable, reliable, and high-impact software solutions. You will contribute to the design, development, and evolution of complex applications using modern .NET technologies and engineering practices. The position offers the opportunity to collaborate with international teams across multiple regions and work on challenging technology initiatives. You will play a key role in developing backend services, APIs, integrations, and solutions that support business transformation. The role combines strong technical expertise with collaboration, mentoring, and continuous improvement responsibilities. You will work in an environment that values innovation, ownership, and the adoption of modern development approaches. This is an opportunity to grow your technical influence while contributing to meaningful digital solutions. ### Accountabilities: As a Senior .NET Developer, you will be responsible for designing, developing, and maintaining robust backend solutions while collaborating with cross-functional teams to deliver high-quality software. You will contribute to technical decisions, improve engineering practices, and support the evolution of applications through modern development methodologies. - Design, develop, and maintain backend services using C#, ADO.NET, and SQL Server. - Build and enhance SOAP and REST APIs while applying best practices for architecture, security, and versioning. - Ensure service reliability through unit testing, integration testing, troubleshooting, and root-cause analysis. - Develop and maintain integrations between multiple systems and services using appropriate design patterns. - Participate in code reviews and provide technical guidance and mentorship to junior developers. - Contribute to improving software quality, performance, scalability, and maintainability. - Support CI/CD workflows and promote automation and efficient delivery practices. - Stay current with emerging technologies and recommend improvements to existing solutions. - Collaborate effectively with multicultural teams across different regions and time zones. - Communicate technical solutions clearly with both technical and non-technical stakeholders. ## Requirements: The ideal candidate will have strong backend development experience with .NET technologies, excellent problem-solving skills, and the ability to work effectively in collaborative, fast-paced environments. - Strong professional experience with .NET Framework and .NET Core in production environments. - Solid knowledge of C#, ADO.NET, and SQL Server, including database design and performance optimization. - Hands-on experience developing and integrating SOAP and RESTful services. - Proficiency in XML serialization and deserialization. - Strong understanding of software architecture, design patterns, and development best practices. - Experience with unit testing, integration testing, debugging, and performance troubleshooting. - Knowledge of CI/CD practices and modern software delivery processes. - Advanced English proficiency with strong verbal and written communication skills. - Ability to collaborate with multicultural teams and communicate effectively across technical and business audiences. - Proactive mindset with strong ownership of tasks and commitment to continuous improvement. - Ability to adapt to changing priorities, ambiguity, and evolving requirements. - Experience mentoring developers and contributing to team growth. Nice-to-have skills: - Experience working with cloud platforms, especially Azure. - Familiarity with specification-driven development and AI-assisted software development approaches. - Experience with Agile development methodologies. ## Benefits: - Health and dental insurance. - Meal and food allowance. - Childcare assistance. - Extended paternity leave. - Partnerships with gyms and health and wellness professionals. - Profit Sharing and Results Participation (PLR). - Life insurance coverage. - Continuous learning opportunities through internal development platforms. - Discounts through partner programs. - Access to online platforms focused on physical, mental, and overall well-being. - Pregnancy and responsible parenting support programs. - Partnerships with online learning platforms. - Language learning opportunities. - Inclusive workplace culture with dedicated support for accessibility, diversity, and employee well-being. 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?](https://jobgether.com/how-jobgether-works) 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