Principal .NET Engineer

Company: Apex Systems

Location: Miami, FL - hybrid (open to remote)

Duration: 6 month contract with potential extension

Responsibilities: Assist with the remainder of the .NET to .NET Core migration. Address remaining issues in the core framework and provide hands‑on work with thought leadership in standards and approaches. Act as a principal/architect level resource with experience in .NET & C#, focusing on .NET Core (version 5 and up). Support the transition to a centralized logging system (Splunk, Elasticsearch, etc); work with monitoring, observability tools, open telemetry, and distributed logging. The role is primarily on‑premises with limited cloud work. Collaborate with Tech Leads of scrum teams as a technical leader for .NET and logging/observability, infra development, and automated/unit testing.

Must Haves: 7+ years’ experience in .NET Core – (v. 5+) C# Experience implementing a centralized Logging/observability system Automated testing – unit testing/integration testing within code – XUnit, MSTest, etc., including mocking On prem OpenTelemetry NICE TO HAVESActive GitHub profile Cloud

Benefits: *Please note that as a contract employee of Apex Systems, benefits include the below with employee contribution:* Health, Dental, Vision, Life Insurance; Short Term Disability; Hospitalization Coverage; Direct Deposit; Weekly Pay Periods; Training and Development Programs; 401k; Referral Program. This summary reflects typical benefits described in the client and Apex materials. EEOApex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at jobs@apexsystems.com or 844-463-6178.