Mid-Level Backend Developer (.NET) | On-site | Blumenau/SC

Description

Job Summary: Opportunity to work on a strategic project in the mobility sector, developing and maintaining backend APIs and applications with a focus on technological modernization and efficiency. Key Highlights: 1. Strategic project involvement with strong national presence 2. Dynamic team focused on technical excellence and collaboration 3. Open culture embracing innovation, ideas, and initiative **At Premiersoft, we turn challenges into real solutions!** With over a decade of experience in development, we are driven by a clear purpose: **creating technology experiences that accelerate business growth** and drive our clients' transformation. Our team, composed of over 200 **\#Heroes**, combines technical excellence with our core DNA: **Team Player, Growth Driven, and Problem Solver**. We thrive on challenges, are guided by innovation, and committed to delivering **high-impact solutions**, every day. **About the opportunity:** You will work on a strategic project within a major group in the mobility and asset leasing sector, with strong national presence. The team’s focus is on evolving and sustaining mission-critical systems, with initiatives targeting technological modernization, operational efficiency gains, and improved user experience. The environment is dynamic, involving distributed architecture, system integrations, and scalable solution development, within a team that values engineering best practices, collaboration, and continuous improvement. **Your responsibilities will include:** * Developing and maintaining backend APIs and applications using .NET and Node.js; * Enhancing existing systems and implementing new features with performance as a priority; * Designing and developing REST APIs and system integrations; * Working with relational and NoSQL databases (MySQL, SQL Server); * Applying architectural best practices (SOLID, Clean Architecture) and ensuring quality through testing. **Required qualifications:** * Solid experience with C\# and .NET (6, 7 or later); * REST API development experience; * Experience with microservices architecture; * Knowledge of Clean Architecture and patterns such as CQRS; * Experience with messaging and event-driven architecture (event\-driven); * Experience with relational databases (SQL Server, MySQL); * Docker usage for application containerization; * Code versioning with Git; * Practical experience with unit and integration testing; * Knowledge of API security (OAuth2, OpenID Connect, JWT); * Experience with cloud platforms (Azure, OCI). On-site hiring. **What we offer:** * A **collaborative** environment with **continuous knowledge sharing**; * An open culture embracing **innovation, ideas, and initiative**; * Use of **modern technologies** and industry best practices; * Focus on **technical excellence** and **real-world impact** in deliverables; * Ongoing encouragement of **learning and professional development**. **Our benefits:** * **Free lunch at the office**; * **Free drinks all day:** gourmet coffees and beverages including energy drinks, juices, whey protein, soft drinks, and chocolate milk; * **Relax room:** relaxing massages twice per week; * **Decompression areas:** such as game room and nap room; * **TotalPass:** access to gyms, studios, and wellness activities; * Health plan with **mental health clinic**; * **Paid time off:** 10 business days to recharge and take care of yourself; * Gifts via Flash **\- birthday gift** and **time in company gift**; * Referral bonus **\- R$ 2\.000,00\0 per hire**; * Continuous development with **PDI, feedback, and certification support**; * **Free English classes:** preparing you for international opportunities; * On-site parking. See what it's like to join the Premiersoft team Learn more about us Visit our headquarters Communication throughout the selection process occurs via e\-mail or WhatsApp. To avoid missing any updates, please add the domain **@premiersoft.net** to your list of trusted senders and monitor your inbox and spam folder.