Senior .NET Software Engineer

Join to apply for the Senior .NET Software Engineer role at Portside About Portside, Inc. Portside is a leading provider of modern software solutions for the global aviation industry. As a fast‑growing SaaS company, we operate across three key verticals: business aviation, regional commercial aviation, and aircraft leasing & finance. With nearly 300 team members spread across five continents, we support over 1,000 enterprise customers, helping them streamline and manage all aspects of their day‑to‑day operations. Job Summary Avianis is a leading provider of an all‑in‑one enterprise flight management solution for the aviation industry, and is looking for a Senior .NET Developer to join our team. As part of our mission to enhance operational efficiency for aviation businesses, we are seeking an individual with strong expertise in ASP.NET, along with experience in Blazor and .NET Core. You will play a key role in developing, maintaining, and improving our platform, providing scalable solutions that streamline flight operations for our clients. Key Responsibilities Design and implement software solutions using .NET framework following industry best practices such as DRY, KISS, design patterns, etc. Design and implement software solutions using .NET technologies, Blazor, and ASP.NET following industry best practices such as DRY, KISS, design patterns, etc. Develop and maintain APIs, ensuring they meet high performance, reliability, and security standards for internal and external system integrations. Design database schemas, manage database operations and SQL queries, ensuring efficient database reliability. Write unit and integration tests, contribute to the test strategy execution and overall quality of the company products. Follow the company’s code and development standards. Refactor existing software components in order to eliminate technical debt and improve application extensibility. Estimate software development work in conjunction with the product team. Deploy software releases to production and other environments. Use and maintain CI/CD pipelines in coordination with the DevOps team. Work closely with the security team to maintain compliance with the company’s security standards. Conduct code reviews. Collaborate with the management team on setting project goals and their execution. Qualifications 5+ years of experience in .NET development, with a strong focus on C#. Blazor and MVC experience good-to-have. Strong knowledge of SQL and experience working with database migrations; experience with Entity Framework. Experience designing application architecture, good understanding of MVC, SOLID, DRY, KISS, design patterns and other development best practices; strong and consistent understanding of REST API. Experience working with Azure services including Azure SQL Server, Blob Storage, Service Bus, Data Factory, Key Vault etc. Good understanding of CI/CD principles, experience in writing unit and integration tests, strong knowledge of Git. Experience working with Blazor and SyncFusion. Great troubleshooting skills. Strong motivation and willingness to learn. Practical and results‑oriented engineering mindset. Desire to build reliable and efficient solutions. Interest in business aviation and becoming a domain expert in the field. What We Offer Competitive base salary. Fully remote work. Generous time off policy. Opportunities for professional development and career advancement. Dynamic, collaborative, and fast‑growing work environment. Seniority level: Mid‑Senior level Employment type: Full‑time Job function: Engineering and Information Technology Industries: Software Development Referrals increase your chances of interviewing at Portside by 2x #J-18808-Ljbffr