**#JoinLuby** ---------------- **Here, you’ll have the opportunity to:** * **Grow in a high-performance environment:** A culture where continuous development is the norm—offering autonomy and involvement in national and international projects that truly challenge your skills and unlock your potential. * **Join a team passionate about technology:** Work alongside experienced professionals in a collaborative and disruptive environment, leveraging the most advanced technologies available in the market. * **Make your mark on the world:** Our digital solutions directly impact the lives of thousands of people—and this is your chance to actively contribute to building a more digital and connected future. * **Work remotely and flexibly:** No matter where you are, we’re ready to welcome you to our team! **Your Mission:** We’re seeking a senior backend developer passionate about technology and innovation to strengthen our team. Your mission will be to design, develop, and evolve high-performance .NET applications, with a focus on microservices architecture, security, and scalability. You’ll play a direct role in building strategic business solutions, ensuring clean, maintainable code aligned with engineering best practices—and collaborating closely with technical and product teams to deliver consistent, high-impact results. **Key Responsibilities:** * Develop backend solutions using .NET (C#), including .NET Framework, .NET Core, and .NET 8. * Ensure application quality, maintainability, and performance in alignment with the team. * Write clean, reusable, and testable code according to defined engineering standards. * Align technical solutions with business needs in collaboration with Product, Data, and Infrastructure teams. * Implement automated testing and define architectural solutions aligned with technological evolution. * Monitor and log system behavior in production, proactively identifying failures and ensuring stability. **Essential Requirements:** * Minimum of 5 years’ experience with .NET (C#), including deep expertise in the language and its ecosystem. * Experience with microservices architecture and distributed systems. * Practical application of SOLID principles and design patterns. * Hands-on experience with Domain-Driven Design (DDD). * Experience with Entity Framework ORM. * Knowledge of solution architecture and caching strategies. * Familiarity with DevSecOps, with emphasis on security and vulnerability detection. * Experience with monitoring, telemetry, and logging using tools such as Grafana or Application Insights. **Behavioral Requirements:** * Commitment to solution quality, security, and stability. * Strong communication and collaboration skills with technical and business teams. * Ownership mindset and technical accountability. * Analytical ability and data- and engineering-metrics orientation. * Clear understanding of technology’s strategic role in driving business outcomes. **Nice-to-Have:** * Advanced knowledge of PostgreSQL and relational data modeling. * Experience with NoSQL databases (preferably MongoDB). * Practical use of API Gateways, especially Azure API Management. **What We Offer:** * **Remote Work:** Enjoy the flexibility to work from anywhere in Brazil—with full autonomy and self-organization. * **Health & Well-being:** Health and dental insurance, life insurance, and Wellhub (Gympass). * **+Education:** Discounts on FIAP courses and USP Esalq MBA programs—so you can keep learning and growing. * **Exclusive Perks:** Discounts at Multilaser stores, referral bonuses for professionals and business leads, flexible working hours, and an annual bonus. ### ***Learn more about our culture, benefits, and what it’s like to be a #Luber on our*** ***Careers Page!***