Senior Software Engineer

Job Title: Senior Software Engineer

Location (city, state): Tulsa, OK

Assignment Type: 12-Month Contract (Potential for Extension)

Pay: $70–$85 per hour

Work Schedule: Monday–Friday, 8:00 AM–5:00 PM, 100% Onsite

Benefits: This position is eligible for medical, dental, vision, and 401(k).

About The Company:

An established organization is seeking a Senior Software Engineer to support enterprise application development, API integrations, and cloud modernization initiatives. This is an opportunity to work with modern Microsoft technologies while improving existing systems and developing scalable software solutions.

Job Description:

The Senior Software Engineer will develop and maintain software applications, APIs, and enterprise integrations using C# and .NET. This role will support cloud migration, DevOps automation, and infrastructure modernization while maintaining reliable existing systems.

Key Responsibilities:

• Develop and maintain applications using C#, .NET, and .NET Core.
• Build REST APIs and integrations connecting enterprise applications and SaaS platforms.
• Support cloud migration and application modernization initiatives.
• Improve CI/CD pipelines and automated software deployments.
• Assist with infrastructure automation using Terraform and Infrastructure as Code (IaC).
• Troubleshoot application issues and support hybrid cloud environments.
• Collaborate with IT teams while independently managing development assignments.

Qualifications:

• Strong experience with C# and .NET software development.
• Experience building APIs and enterprise application integrations.
• Familiarity with CI/CD pipelines and DevOps practices.
• Microsoft Azure experience preferred; AWS experience is also valuable.
• Exposure to Terraform, Infrastructure as Code, or containerization is a plus.
• Strong troubleshooting and problem-solving skills.
• Ability to work independently and manage competing priorities.

Additional Details:

• Fully onsite in Tulsa, Oklahoma.
• Background check and drug screening required; medical marijuana cards accepted.
• No travel required.
• Two-round interview process, with onsite interviews preferred.
• Candidates should be available to interview and start quickly.

Perks:

• Competitive hourly compensation.
• Hands-on experience with enterprise software, cloud computing, and API development.
• Opportunity to contribute to DevOps automation and cloud modernization projects.
• Potential for contract extension.

Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Addison Group complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities, upon request.