Senior Software Developer, CRM Platform

Position Title: Senior Software Developer, CRM Platform on W2 only Location: Remote Duration: 12+ months with possible extension. Work Authorization: GC/Citizen only Job Summary:

• This is a backfill role in the CRM engineering team, reporting to the client//'s engineering leadership.
• Build and support the Insightly CRM platform using ASP.NET MVC, .NET Framework 4.8, and AWS services.
• Work in an existing codebase from the first week, reading unfamiliar code and making safe changes rather than focusing on greenfield design.

Responsibilities

• Design and implement scalable, maintainable features and fixes for the CRM platform.
• Write modular, testable code and provide thoughtful code reviews.
• Build and support solutions using AWS services such as Lambda, S3, EC2, and DynamoDB.
• Work across service boundaries and understand system dependencies.
• Use TeamCity, Octopus, Datadog, Raygun, Papertrail, and CloudWatch to support safe deployments.
• Apply web application security and performance practices, including mitigation of common vulnerabilities.
• Break complex problems into well-scoped tasks and provide accurate estimates.
• Support onboarding and knowledge sharing for newer developers through code reviews and pairing, without people management responsibilities.
• Participate in two-week Release Developer and Production On-Call rotations once production access is approved.
• Until production access is approved, focus on features, code reviews, and business-hours support.
• Coordinate release builds, ensure changes merge on time, and deploy to production as the Release Developer.
• Respond to PagerDuty and Slack alerts as the Production On-Call first responder, with a 15-minute response time before escalation to engineering leadership.
• Follow existing playbooks for alerts; some alerts require monitoring only.

Required Skills

• 5+ years of professional software engineering experience delivering production software.
• Strong full-stack experience with C# and ASP.NET MVC, including .NET Framework 4.8 and JavaScript frameworks.
• Hands-on AWS experience with at least two of Lambda, S3, EC2, and DynamoDB.
• Strong understanding of object-oriented programming, software architecture, and design patterns.
• Experience with CI/CD pipelines, production monitoring, and DevOps practices.
• Experience with 24/7 on-call rotations and production incident response.
• Experience working in a large existing codebase written by others.
• Experience mentoring or leading less experienced developers.
• Ability to work a full Pacific Time business day with the team.

Nice to Have

• TeamCity, Octopus, PagerDuty, and Datadog experience.
• Experience modernizing legacy .NET Framework code toward modern .NET.
• Experience with Windows-hosted .NET applications alongside AWS services.
• CRM or B2B SaaS platform experience.
• Experience designing APIs alongside a mobile team.