Senior .NET C# Developer

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Umbler

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SaaS • B2B

Umbler is a Brazilian software company that offers an integrated suite of business tools for customer communication, professional email, and web hosting. Its products include a WhatsApp-focused CRM and platform for multi-agent conversations, chatbots and AI agents trained with company-specific data, corporate email (Umbler Mail), and managed WordPress/PHP hosting with container or dedicated options. Umbler targets entrepreneurs, agencies and small-to-medium businesses with transparent, pay-as-you-go pricing and emphasizes ease of use, reliability and customer support.

51 - 200 employees

Founded 2015

☁️ SaaS

🤝 B2B

📋 Description

• Develop, enhance and maintain web applications using C# and JavaScript, ensuring performance, scalability, security, and quality. • Lead technical discussions, support architectural decisions, and propose high-impact solutions. • Work across the full development lifecycle: design, architecture, implementation, testing, deployment, and monitoring. • Implement and promote the use of unit, integration, and automated testing. • Identify and resolve complex bottlenecks, perform advanced troubleshooting, and drive continuous improvements in systems and processes. • Collaborate in refining requirements and product strategies, contributing technical insight and experience. • Mentor and support junior and mid-level developers, sharing knowledge and ensuring best practices.

🎯 Requirements

• 5 to 8 years of software development experience. • Strong, advanced experience with C# and JavaScript. • Proficiency in web development: HTML, CSS, and modern front-end patterns. • Excellent understanding of software architecture, object-oriented design, and practices such as SOLID, Clean Code, and domain-driven design. • Strong experience with technologies: Blazor, ASP.NET MVC / ASP.NET Core, RabbitMQ, SQL Server, Entity Framework / Entity Framework Core.

🏖️ Benefits

• Day off on your birthday. • Health insurance. • Dental insurance. • Gympass.