C# jobs in Oklahoma

Senior Software Engineer - Mission Systems Integration

Remote

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Today

About the Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse transforms the way government uses d

Sponsored

Full-time

C#/VB.NET Developer

Remote or Hybrid

•

Today

Our Fortune 100 client is seeking a Senior IT Software Developer for a 12-month contract assignment. This remote role focuses on developing software solutions, with approximately 80% back-end development and 20% front-end development. The developer will analyze requirements, write and modify complex code, test applications, support production systems, and maintain technical documentation. The role requires strong experience with VB.NET, C#, SQL Server, integration and reporting services, SQL Alw

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Contract

DOE

C#.NET Developer with Trading And Capital Market Exp

Remote

•

Today

JOB DESCRIPTION: Please apply only if you have Investment banking/Capital market experience. Role: C#.NET Developer with investment banking and Capital Market exp.Location: NY(Remote)Job Type: W2 / Fulltime Client is looking for a reliable full stack Dot Net developer ASAP.Wealth Management & Capital Market (Trading, Equities, , Portfolio) Exp. Must.SQL, C#, .NET, Full stack developer with 8+ years of experienceProficiency in C#, .NET framework, and object-oriented programming principles.Experie

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Full-time

Depends on Experience

Lead Software Developer in Test (C#)

Remote or Hybrid in Cleveland, Ohio

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Today

Our Fortune 100 client is hiring for a Lead Software Developer in Test to assist the project team with driving quality-centric practices into their software development processes and will also be responsible for working closely with the project teams to guide their use of test automation assets and consult on the creation and use of new test automation. The role is open to fully remote but candidates but must be willing to work ET hours within the United States. Day-to-Day Responsibilities: - S

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Contract

DOE

Software Developer

Hybrid in Oklahoma City, Oklahoma

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14d ago

Job Title: Software Developer Location: Oklahoma City, Oklahoma Type: Direct Hire Compensation: $125,000.00 - $165,000.00 Work Model: Hybrid onsite and remote NOTE: Only US Citizens and Green Card holders will be considered for this role. NO C2C Responsibilities Design, develop, test, and maintain software applications using C# and .NET frameworks (.NET Core/.NET 6+). Build and enhance web applications, APIs, and backend services. Collaborate with business analysts, project managers, and othe

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Full-time

$165000

Lead C#.NET Developer - COTS

Remote or Hybrid in Raleigh, North Carolina

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7d ago

ONLY W2ONLY W2ONLY W2 MUST have experience working on COTS products Title: Lead Developer Location: McLean, VA 22102 (Remote) Duration: 6 Months Contract (Potential Extension) Job Description: Terms of Employment W2 Contract, 6 MonthsRemote Opportunity (US EST Time zone work schedule (Candidates in Raleigh NC preferred but not required) Overview The Developer, Specialist performs thorough end-to-end analysis of complex business functionality, provides technical solutions for complex business re

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Contract

Depends on Experience

Software Developer(C#, ERP, AI)

Remote or Valhalla, New York

•

Today

Description We are looking for a Software Developer to join our team in Valhalla, New York and contribute to the continued development of a modern enterprise resource planning platform. In this role, you will collaborate with cross-functional partners to build reliable application features, improve integration capabilities, and support clients through well-crafted technical solutions. This opportunity is ideal for someone who enjoys hands-on coding in C# and .NET while also exploring practical w

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Full-time

USD 70,000.00 - 80,000.00 per year

Sr. Software Systems Engineer (C#/.NET Developer)

Remote

•

Today

Job ID: 2616245 Location: Remote Work, TX, US Date Posted: 2026-08-28 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_REMOTE Description SAIC is searching for a motivated, career and customer-oriented Sr. Software Engineer (C#/.NET Developer) who will work across EDI transaction processing, backend API develo

Full-time

USD 80,001.00 - 120,000.00 per year

Full Stack Developer (.NET / C# + React)

Remote

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20d ago

About the Role Our client, a company in the payments/fintech space, is seeking an experienced Full Stack Developer to join their engineering team. You'll build and maintain secure, high-throughput services on a modern .NET + Azure stack, working across the backend and the React front end. This is a fully remote, contract or direct-hire for candidates already based in the U.S and authorized to work. What You'll Do Design, build, and maintain backend services in C# / .NETDevelop responsive, user-f

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Full-time

$80

Sr. Software Engineer (C# .NET/Azure/React/API

Remote

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15d ago

Title: Sr. Software Engineer (C# .NET/Azure, React, APIs, Kafka and Kubernetes) Location: REMOTE Duration: one year with possible extensions Compensation: 70-80/hr Work Requirements: , Holders or Authorized to Work in the US Job Description: Seeing a motivated Software Development professional passionate about NET/Azure development and integrations. You excel at software development and have experience in .NET, specifically C#, React, API, and Eventing. You are optimistic, proactive, analytica

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Contract, Third Party

$65 - $70

Software Engineer - SQL / C# / .Net /

Remote

•

Today

Overview Cotiviti is a leading solutions and analytics company that leverages unparalleled clinical and financial datasets to deliver deep insight into the performance of the healthcare system. These insights uncover new opportunities for healthcare organizations to collaborate to improve their financial performance, reduce inefficiency, and improve healthcare quality. The Software Engineer is responsible for the design and development of software applications and reusable software components f

Full-time

USD 91,000.00 - 129,000.00 per year

Software Development Engineer (Full Stack .NET & C#)

Remote or Ohio

•

Today

We're building a world of health around every individual - shaping a more connected, convenient and compassionate health experience. At CVS Health , you'll be surrounded by passionate colleagues who care deeply, innovate with purpose, hold ourselves accountable and prioritize safety and quality in everything we do. Join us and be part of something bigger - helping to simplify health care one person, one family and one community at a time. A Brief Overview Designs, develops, and implements digit

Full-time

USD 72,100.00 - 144,200.00 per year

Senior .NET/C# Engineer - Iris AI

Remote

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Today

About Delinea: Delinea is a pioneer in securing human and machine identities through intelligent, centralized authorization, empowering organizations to seamlessly govern their interactions across the modern enterprise. Leveraging AI-powered intelligence, Delinea's leading cloud-native Identity Security Platform applies context throughout the entire identity lifecycle - across cloud and traditional infrastructure, data, SaaS applications, and AI. It is the only platform that enables you to disco

Full-time

USD 130,000.00 - 162,200.00 per year

Software Engineer III : Golang / C#

Remote

•

Today

At Jack Henry, we're more than a technology company, we're a force for good in financial services. We're redefining how community banks and credit unions connect with the people they serve. Our mission is rooted in people inspired innovation, empowering financial institutions to deliver seamless, secure, and human centered experiences. We deliver cutting-edge solutions that are paving the way for the next generation of digital banking and payments, but our true impact begins with our associates.

Full-time

USD 78,400.00 - 123,450.00 per year

Windows Software Engineer C# - C++

Remote or Phoenix, Arizona

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Today

Rockwell Automation is a global technology leader focused on helping the world's manufacturers be more productive, sustainable, and agile. With more than 28,000 employees who make the world better every day, we know we have something special. Behind our customers - amazing companies that help feed the world, provide life-saving medicine on a global scale, and focus on clean water and green mobility - our people are energized problem solvers that take pride in how the work we do changes the world

Full-time

Software Engineer (SQL/C#)

Remote or Schenectady, New York

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Yesterday

LTI (Logic Technology, Inc.) the "Pro People" company is a privately held technology solutions provider that offers best in class services to local, national and global organizations. Now after three decades, these initials have come to represent more than just our company name. They've also come to represent our hard earned reputation for Leadership, Technology and Integrity. At LTI, we believe confident, motivated employees produce superior work, ensuring our existing client relationships cont

Full-time

.Net Software Developer :: Remote

Remote or New Jersey

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Today

.Net Developer/.Net Software Developer California, MD, US Remote, but in office on occasion or as needed Fulltime-- This software developer analyzes, designs and develops computer software required to support hardware or technical service products. Performs systems modeling, simulation and analysis. Reviews system architecture, selects, and implements appropriate development and support tools to ensure product performance. The products are components of the military aviation mission planning e

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Full-time

IT Developer

Hybrid in Tulsa, Oklahoma

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25d ago

Job Title: IT Developer Location: Tulsa, Oklahoma Type: Contract Compensation: $80.00 - $80.00 Work Model: Hybrid onsite and remote Hours: 40.0 Security Clearance: Not specified Overview We have an exciting opportunity for an experienced Developer to work on extraction, transforming, and loading projects for a highly regulated environment which is moving to cloud data infrastructure. Ideally, the qualified individual will have experience with Snowflake and AWS, but will be willing to work with

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Contract

$80

senior System Engineer

Remote

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20d ago

Senior Systems Engineer Remote FULL TIME Required Skills & Experience Experience: 812+ years in semiconductor equipment / automation systems Domain expertise in: System engineering / Architecture - Machine level (mechanical, electrical, firmware, and software) Semiconductor tools: EFEM, Sorter, Load Ports, Wafer Handling, robots Key Skill expected: Embedded Firmware background - C/C++ / RTOS / Microcontrollers C# - machine automation or industrial applications Motion control systems

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Full-time, Third Party

Depends on Experience

Senior Full Stack .NET Developer - Remote

Remote or New York, New York

•

Today

Job Role: Senior Full Stack .NET Developer Location: New York City, NY - Hybrid Duration: Long Term Project No C2C only W2 Job Summary: We are seeking an experienced Senior Full Stack .NET Developer to join our team in New York City. The ideal candidate will have strong full-stack development expertise with Angular 15+, C#/.NET, MS SQL Server, RESTful APIs, cloud platforms, and modern DevOps/CI/CD practices. Key Responsibilities: Design, develop, test, and maintain scalable full-stack web app

Contract

$DOE

Software Engineer III

Remote or St. Louis, Missouri

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Today

Position: Software Engineer Location: Remote (Must work CST hours) Duration: 6-12+ Months Contract Role Overview Strong professional experience with C# and .NET development. Experience with .NET Framework and .NET Core. Experience working with SQL and relational databases. Experience supporting applications in an enterprise or production environment. Experience with CI/CD pipelines and software deployment processes. Experience working with or modernizing legacy applications. Preferred Qual

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Full-time, Part-time, Third Party, Contract

USD 50-55

C# jobs in Oklahoma, USA