Middle .Net Engineer

Middle.Net Engineer

Our client is building modern, cloud-native software solutions with a strong focus on scalability, performance, and maintainability. As part of a collaborative engineering team, you'll contribute to the development of backend services and RESTful APIs that power business-critical applications. Working alongside Product Owners, QA Engineers, and fellow Developers, you'll help deliver reliable, high-quality software while following modern engineering best practices and clean architecture principles.

In this role, you will:

• Design, develop, and maintain backend applications using C# and ASP.NET Core;
• Build secure, scalable, and high-performing RESTful APIs;
• Develop efficient data access layers using Dapper and Azure SQL Server;
• Write clean, maintainable, and well-tested code following SOLID principles and Clean Architecture;
• Optimize SQL queries and application performance to ensure high availability and responsiveness;
• Troubleshoot production issues, identify root causes, and implement sustainable solutions;
• Collaborate closely with cross-functional teams in an Agile environment;
• Participate in code reviews, technical discussions, and continuous improvement initiatives;
• Contribute to automated testing by writing unit and integration tests.

If you are:

• 3+ years of commercial experience developing applications with C# and ASP.NET Core;
• Strong understanding of Object-Oriented Programming, SOLID principles, and software design patterns;
• Experience building and maintaining RESTful APIs;
• Good understanding of protocols, authentication, authorization, and API documentation using Swagger/OpenAPI;
• Strong hands-on experience with Dapper;
• Experience working with relational databases and writing optimized SQL queries;
• Knowledge of joins, indexing, stored procedures, and query optimization techniques;
• Experience writing unit and integration tests using xUnit, NUnit, or MSTest;
• Familiarity with Git, code reviews, and CI/CD pipelines using Azure DevOps, GitHub Actions, or similar tools;
• Strong analytical thinking, problem-solving skills, and attention to detail;
• Good communication skills and the ability to work effectively within an Agile team.
• Upper-Intermediate (B2) English or higher.

Nice to have:

• Experience with Microsoft Azure or AWS cloud services;
• Experience with Redis or distributed caching solutions;
• Familiarity with messaging technologies such as RabbitMQ or Azure Service Bus;
• Knowledge of CQRS, MediatR, and Clean Architecture;
• Experience working with microservices-based architectures;
• Understanding of application monitoring, logging, and performance tuning.

As an Opinov8r, you will have:

• Digital-First Approach: Great talent knows no borders! You can work from wherever you are — we hire and collaborate with professionals worldwide.
• Remote Work Model: Balance your professional and personal life with our flexible working conditions, empowering you to deliver your best from anywhere.
• Exciting Projects: Dive into impactful projects across industries that challenge and spark creativity.
• Boost Your Expertise: Grow your career with continuous learning, development opportunities, and hands-on experience.
• Join the Best Team Ever: Collaborate with our diverse and cross-cultural team of passionate technologists and creative thinkers.

How's the hiring process going:

• Initial Interview: If your background fits the role, we'll invite you for an interview with a Talent Acquisition Specialist.
• Technical Interview: Depending on the position, you may complete a technical assessment or test task.
• Final Decision: After all steps, we'll get back to you with the result and next steps.