Senior Software Developer, CRM Platform

Dhanu-Global-Enterprises,-Inc.; Dallas (TX); Remote; USD 110,000 - 150,000; Part time

Job summary

Dhanu-Global-Enterprises, Inc. is seeking a Senior Software Developer for the CRM Platform to build and support the Insightly CRM stack using ASP.NET MVC, .NET Framework 4.8, and AWS services. This remote contract role spans 12+ months with W2 employment, backfilled by the existing team.

You will work in a large, established codebase, read unfamiliar code quickly, and implement scalable features while performing safe deployments and on-call support during production operations.

Qualifications

• 5+ years of professional software engineering experience.
• Strong full-stack experience with C# and ASP.NET MVC, including .NET Framework 4.8.
• 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 and production monitoring.
• 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.

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.

Skills

Senior Software Developer

CRM Platform

CI/CD pipelines

JavaScript

C#

ASP.NET

AWS Lambda

AWS S3

AWS EC2

DynamoDB

TeamCity

Octopus

Datadog

Raygun

Papertrail

CloudWatch

PagerDuty

Tools

AWS Lambda

AWS S3

AWS EC2

DynamoDB

TeamCity

Octopus

Datadog

Raygun

Papertrail

CloudWatch

PagerDuty

Job description

Job Id : OOJ - 2118 Posted Date : 10/27/2026 Experience : 5-12 Job Type : Contractual Location : Dallas, TX Overview : Position Title: Senior Software Developer, CRM Platform on W2 only Location: RemoteDuration: 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.

Skills : Senior Software Developer, CRM Platform,CI/CD pipelines,JavaScript,C#,ASP.NET Share this job