Senior Software Engineer, C# .NET

OPENLANE

. Enhance core offerings continuously .

Posted 10/11/2026full-timeRemote • United States, CanadaSenior💰 $112,000 - $155,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building scalable, cloud-native APIs with .NET and a strong understanding of application development and testing methodologies. Proven ability to lead technical discussions, mentor team members, and collaborate effectively across cross-functional teams.

Highest-signal resume keywords

Cloud-Native API DevelopmentSoftware Architecture LeadershipTelemetry and Performance TuningFront-End JavaScript FrameworksCode Review and Testing Methodologies

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

.NET.NET CorePostgreSQLKubernetesAWSOpenTelemetryApplication DevelopmentUnit TestingFunctional TestingPerformance Tuning

Soft Skills

MentoringTechnical LeadershipCollaboration

Tools & Technologies

APM Tooling

Certifications & Qualifications

University Degree in Computer Science

Tech Stack

Tools & technologies

AWSCloudJavaScriptKubernetesPostgres.NET

About the role

Key responsibilities & impact

Enhance core offerings continuously
Lead technical discussions on software architecture and testing to maintain quality and performance
Collaborate with cross-functional teams to construct and maintain high-value core system components across multiple technology stacks
Build scalable, cloud-native APIs with .NET
Conduct code reviews and ensure strong unit and functional test coverage
Mentor and support team members through process and technical leadership
Apply application development, front-end JavaScript, telemetry, and performance-tuning expertise

Requirements

What you’ll need

5+ Years of experience building scalable, cloud-native APIs with .NET
University degree or advanced diploma in a software engineering-related discipline, preferably in Computer Science, or equivalent experience
Experience with telemetry and performance tuning leveraging modern APM tooling
Strong understanding of application development, including development and testing methodologies
Experience with .NET Core
Experience with PostgreSQL
Experience with Kubernetes in AWS
Experience with OpenTelemetry
Experience with front-end JavaScript frameworks
Experience with code reviews and high unit and functional test coverage

Benefits

Comp & perks

Competitive pay
Medical, dental, and vision benefits with employer HSA contributions (US) and FSA options (US)
Immediately vested 401K (US) or RRSP (Canada) with company match
Paid Vacation, Personal, and Sick Time
Paid maternity and paternity leave (US)
Employer-paid short-term disability, long-term disability, life insurance, and AD&D (US)
Robust Employee Assistance Program
Employer paid Leap into Service Day to volunteer
Tuition Reimbursement for eligible programs
Opportunities to expand your skill set and share your knowledge across a publicly traded, global organization
Company culture of internal promotions, diverse career paths, and meaningful advancement