.NET Developer

The Intersect Group; Sandy Springs, Northern (GA, KY); Hybrid; USD 83,000 - 124,000; Part time

Job summary

The Intersect Group in Sandy Springs, GA is seeking a senior .NET Developer to design, build and maintain robust software solutions. You will own features from concept to deployment in an Agile team, with emphasis on RESTful APIs, C#, and SQL Server.

Ideal candidates have 6+ years of experience, strong problem-solving skills, and the ability to communicate with technical and non-technical stakeholders. This contract role offers hands-on development, code reviews, and mentoring teammates.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Information Systems, or related field.
• 6+ years of professional software development experience.
• Experience designing, developing, and supporting REST APIs.
• Experience using GitHub for source control, branching, code reviews, and collaboration.
• Experience developing and consuming web services and application integrations.

Responsibilities

• Design, develop, enhance, and maintain software applications and services.
• Collaborate with product, engineering, and business stakeholders to define and implement technical solutions.
• Develop and maintain REST APIs and application integrations.
• Write clean, scalable, and maintainable code following established engineering standards.
• Participate in system design, architecture discussions, and code reviews.
• Create and maintain technical documentation, including design specifications and support materials.
• Troubleshoot and resolve complex software issues across multiple environments.
• Develop and execute unit, integration, and regression testing activities.
• Support software deployments, upgrades, and production releases.
• Mentor junior team members and share technical knowledge across the team.
• Collaborate within an Agile development environment and participate in all Agile ceremonies.
• Continuously evaluate and recommend improvements to technology, tools, and development processes.

Skills

C#

.NET

REST APIs

SQL Server

JavaScript

GitHub

Education

Bachelor's degree

Tools

GitHub

Job description

## .NET DeveloperPosted: 09/10/2026Employment Type:ContractCategory: IT - Development - Developer/ArchitectJob Number: 251068Work Location: On-Site## Job Description.NET Developer Position Summary The Software Engineer III is responsible for designing, developing, testing, and supporting software applications that solve complex business and technical challenges. This role works closely with cross-functional teams throughout the software development lifecycle and is expected to independently own features and solutions from concept through deployment. The ideal candidate is a highly skilled software engineer with strong experience in C#, .NET, REST API development, and GitHub-based source control practices. They possess a strong technical foundation, excellent problem-solving abilities, and a passion for building high-quality software in an Agile environment. ---Key Responsibilities* Design, develop, enhance, and maintain software applications and services.* Collaborate with product, engineering, and business stakeholders to define and implement technical solutions.* Develop and maintain REST APIs and application integrations.* Write clean, scalable, and maintainable code following established engineering standards and best practices.* Participate in system design, architecture discussions, and code reviews.* Create and maintain technical documentation, including design specifications and support materials.* Troubleshoot and resolve complex software issues across multiple environments.* Develop and execute unit, integration, and regression testing activities.* Estimate development effort and contribute to project planning activities.* Support software deployments, upgrades, and production releases.* Mentor junior team members and share technical knowledge across the team.* Collaborate within an Agile development environment and participate in all Agile ceremonies.* Continuously evaluate and recommend improvements to technology, tools, and development processes.* Perform other duties as assigned.---Required QualificationsEducation* Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related technical field, or equivalent professional experience.Experience* **6+ years of professional software development experience.*** **6+ years of experience developing applications using C# and .NET.*** **Experience designing, developing, and supporting REST APIs.*** **Experience using GitHub for source control, branching, code reviews, and collaboration.*** Experience developing and consuming web services and application integrations.* Experience working in Agile development environments.Technical Skills* Strong proficiency in: + C# + .NET Framework / .NET + REST APIs + SQL Server + GitHub + JavaScript* Strong SQL development and query optimization skills.* Strong understanding of relational databases and database design principles.* Solid understanding of object-oriented programming and software design patterns.* Knowledge of software development best practices, including testing, code reviews, and continuous improvement.* Experience using Microsoft Visual Studio or comparable development tools.* Familiarity with XML and structured data formats.Professional Skills* Strong analytical and problem-solving abilities.* Ability to independently investigate, diagnose, and resolve complex technical issues.* Excellent verbal and written communication skills.* Ability to effectively communicate technical concepts to non-technical stakeholders.* Strong organizational skills and attention to detail.* Ability to manage multiple priorities in a fast-paced environment.---Preferred Qualifications* Experience developing Windows desktop/client applications.* Experience with automated testing frameworks and test automation.* Experience with NuGet package management.* Experience with artifact repository tools such as Artifactory or Nexus.* Experience with SpecFlow or other behavior-driven development frameworks.* Experience supporting enterprise-scale applications.* Experience with CI/CD pipelines and DevOps practices.* Experience contributing to application architecture and technical design decisions.---Core Competencies* Software Design & Development* API Development & Integration* Database Design & SQL Development* Agile Methodologies* Technical Problem Solving* Collaboration & Communication* Continuous Improvement* Ownership & Accountability### Apply Now: