Senior .NET Backend Engineer (m/f)

Indeed

Company

Job typeFull-time
Workplace typeOnsite
Experience levelNo experience limit
Education levelNo degree limit

Description

Job Summary: We are seeking an experienced C#/.NET Backend Developer to implement and maintain backend components, develop RESTful APIs, and lead code reviews. Key Highlights: 1. Opportunity for professional growth and development 2. Dynamic and collaborative work environment 3. Continuous training and specific certifications We are GuestWorld, a company specialized in outsourcing and human resource development. We operate under a culture of excellence and foster a positive environment, aligning our clients' objectives with the motivation of our people. We focus on effective solutions, continuous training, and partnerships built on trust and value creation. **Responsibilities:** * Implement and maintain backend components using C\# and .NET Core/.NET 6\+; * Develop and evolve RESTful APIs for core services and integrations with other systems; * Lead code reviews and provide mentoring to junior developers; * Perform unit and integration testing, diagnose issues, and ensure application performance; * Collaborate with other teams to understand business requirements; * Review and produce technical documentation; * Refactor code and improve existing systems to ensure greater maintainability and scalability. **Requirements:** * Minimum 3 years of backend development experience with C\# and .NET Core/.NET 6\+; * Proficiency in RESTful APIs and Web Services; * In-depth understanding of OOP, SOLID principles, and Clean Architecture; * Experience with unit testing and integration testing frameworks; * Practical experience with Oracle database and PL/SQL (preferred); * Prior experience with cloud environments (Azure or AWS), CI/CD pipelines, and containerization technologies such as Docker and Kubernetes (preferred); * Fluency in English (mandatory); * Strong problem-solving skills and attention to code quality. **Benefits:** * Competitive salary and benefits package; * Continuous training and specific certifications; * Opportunity for professional growth and development; * Dynamic and collaborative work environment; * A growing company with a promising future. *See how we handle your data at* *www.guestworld.pt*

Some content was automatically translated

Posted by

João Santos

Indeed · HR

Location

Similar jobs

Senior .NET Backend Engineer (m/f) by Indeed in 2026 | ok.com