C# Jobs in Missouri

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Application Maintenance Developer

Virtutem

•

Remote

Full-time

SummaryWe are seeking a hands-on, technically strong C# developer to support and expand an existing full-stack enterprise application for a high-profile client. The application is already built and in active use. This role focuses on maintaining the platform while working closely with the client to enhance and grow its capabilities over time LogisticsFull-time availability required during standard California business hours. 100% remote; must be comfortable and effective working via screen share
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Posted 30 days ago | Updated 30 days ago

Remote SAP/.NET Developer

EDI Specialists, Inc.

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Remote or Pennsylvania, USA

Full-time

SUMMARY As a part of a team of experienced developers, this role will design and develop solutions to support application portfolio. Primary responsibility includes technical design, development, testing, documentation and collaboration during all SDLC phases. This is a strategic role supporting the integration of our SAP ERP platform with other systems, both internal and external. ESSENTIAL DUTIES AND RESPONSIBILITIES Design and develop efficient solutions in a timely manner to the existing tea
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Posted 11 days ago | Updated moments ago

DRC-Programmer 4-PR4

Stellar Professionals LLC

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Ohio, USA

Third Party, Contract

Mode of Interview: MS-Teams/Virtual Work Location: Remote Duration: 05/16/2025 to 06/30/2025 Work Arrangement: Remote C#, ASP.NET Web application development, .Net 1.1 to Current SQL2000 to SQL2018, SQL Procedures, Functions, Tables, Views REACT, REDUX, REDIS and Axios Experience in Enterprise Data Modeling Experience with Azure Pipelines Experience with Node.js Perform System Test and Create Test Documentation C#, ASP.NET Web application development, .Net 1.1 to Current SQL2000 to SQL2018,
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Posted 26 days ago | Updated 1 day ago

Senior Performance Test Engineer

Precision System Design Inc.

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Remote or Cleveland, Ohio, USA

Contract

Our Fortune 100 client is hiring for a Senior Performance Test Engineer who is highly proficient with performance test plan and script creation. Candidates must have strong knowledge of performance, load, and stress testing. The ideal candidate will also have experience with C# programming or other programming language, Selenium WebDriver and Neoload. This role can be done fully remotely following an EST or MST work schedule. Does this sound like something you'd like to hear more about? If so, A
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Posted 24 days ago | Updated 1 day ago

.net developer

Taproot Solutions

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Remote

Contract

Role Title: ,NET Developer Role TItle: .Net Application Developer Key Responsibilities Application Development & Integration Design, develop, test, and deploy .NET applications and microservices using C#, ASP.NET, and .NET Core/Framework. Architect and implement distributed solutions leveraging Microsoft Service Fabric for scalability and reliability. Integrate the Medicaid application with Micro Focus PPM for project and portfolio management, including data exchange and workflow automation. Dev
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Posted 1 day ago

Automation Tester

4 Consulting Inc

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Remote

Full-time

Who we are! At 4Ci our mission is to build long term relationships, based on trust, integrity, and knowledge with all our employees and business affiliates. 4Ci has been in business for 20 years and has employees working on mission critical projects nationwide. We provide computer programming, testing, and system design services to develop and maintain multi-year, multi-million-dollar mission critical applications for the US Government. Examples of such applications are Medicaid MMIS systems, He
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Posted 7 days ago | Updated 1 day ago

Power Apps Programmer with EHR integration experience

Softratech LLC

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Remote

Contract

Job Description: We're currently looking to hire a Sr Power apps Developer to support the implementation of the Continuum Electronic Health Record (EHR) solution for one of our clients in Sacramento, CA. Mandatory Minimum of five (5) years of experience in electronic data processing systems study, design, and programming. At least three (3) years of that experience must have been in a lead capacity. Possession of a bachelor s degree in an IT-related or Engineering field. Minimum of five (5) year
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Posted 19 days ago | Updated 5 days ago

Software Engineer

AgreeYa Solutions

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Remote

Contract

Position: Software Engineer Location: Remote Duration: 6-12+ Months Description: Looking for experienced software generalists ideally with experience in C++, C#, JS, Python, Hack, Java, Android to work on development tools and codeline health.The domain is CI/CD and the ability to debug broken build jobs quickly. The role is more operational, than development heavy generally but requires those skills to help debug and fix build issues.Candidate should be a strong in programming but there won t b
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Posted 50 days ago | Updated 5 days ago

QA Engineer Data & API Testing W2/FTE Onsite only

Virtusa Corporation

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St. Louis, Missouri, USA

Full-time

Position: QA Engineer Data & API TestingLocation: St. Louis, MO (Onsite, 5 days/week)Type: Full-time | No C2C or agencies |holders welcome | Immediate joiners preferred Key Requirements:Agile/Kanban Experience: Proven track record working in Agile delivery environments using Kanban methodology. SQL & Oracle Proficiency: Strong hands-on experience in database testing using SQL and Oracle. Ability to write and validate complex SQL queries. Data Migration Expertise: Participated in at least one da
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Posted 24 days ago

Tririga Developer - Remote

Dunhill Professional Search

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Remote

Full-time

Tririga Developer - Remote **U.S. Citizenship Required** Responsible for a complex development project, providing general oversight and direction to the developers on the project in a senior developer capacity. Conceives, designs, and tests logical structure to meet program requirements. Writes programs according to specifications provided. Builds, deploys and maintains programs, Web Site pages and applications. Develops and improves site navigation and applications. Responsible for the design,
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Posted 17 days ago | Updated 2 hours ago

.Net Tech Lead with Angular - STL/Dallas/Chicago

Advanity Technologies

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St. Louis, Missouri, USA

Contract

Job Title: Senior Developer / Tech Lead (Angular and .net) Location: STL/Chicago/Dallas Experience Required: 10+ years Job Summary: We are seeking a highly skilled Senior Developer / Tech Lead to join our dynamic technology team. The ideal candidate will possess deep technical expertise in Microsoft technologies (VB.NET, C#, ASP.NET, .NET Core) along with modern front-end frameworks such as Angular and TypeScript. A strong background in REST and SOAP service development, database management, and
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Posted 11 days ago | Updated 11 days ago

Sr IT Apps Programmer

Hunter Recruiting

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Remote

Contract

Sr IT Apps Programmer Remote $62-68/HR 5-Month W2 Contract The Sr IT Apps Programmer will assist the team in migrating repositories from TFS to Git, analyzing and resolving problems and issues, and proactively finding ways to improve resiliency and reduce overall cost of ownership. They will support multiple Scrum delivery and waterfall project teams supporting the application lifecycle. They will interact daily with other application programmers, systems and QA analysts, release and deployment
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Posted 2 days ago | Updated 2 days ago

Expert Software Architect - Internal Tools

Kforce Technology Staffing

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Remote or Irvine, California, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking an Expert Software Architect - Internal Tools for a remote role. Responsibilities: * Assess code base, change management, and distribution/build models for key apps * The Software Architect will work through the identified backlog of bugs in the applications, resolving issues and improving the application's stability * Develop a roadmap to streamline existing applications to reduce complexity and dependencies and increase supportability * Pa
Posted 1 day ago | Updated 11 hours ago

Legacy Contingent - Expert Software Architect, Internal Tools

INSPYR Solutions

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Remote or Irvine, California, USA

Contract

Title: Software Architect Location: Irvine, California Duration: 6 months Compensation: $67.00-$85.00 Work Requirements: , Holders or Authorized to Work in the U.S. Skillset / Experience:Proficiency in C#, Vue, Typescript, and SQL Experience with infrastructure and deployment technologies such as Octopus, Docker, Okta, Grafana, and Google Cloud Platform (Google Cloud Platform). Proven experience in fullstack development and architecture. Strong background in maintaining and enhancing complex app
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Posted 1 day ago | Updated moments ago

Angular Developer

Precision System Design Inc.

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Remote

Contract

Our direct Fortune 100 client is looking for 2 (TWO) Angular Developers to design, code, and unit test various applications in IT and business areas across their enterprise. These resources will be using a variety of technologies to support UI, backend, API's, database, and Cloud environments. The ideal candidates will have full stack development experience with Angular 10 or higher, TypeScript, JavaScript, API's, C#, .NET, SQL, as well as AWS Lambda, Terraform, Azure DevOps, and CI/CD pipelin
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Posted 10 days ago | Updated 1 day ago

Sr. Argo Developer

GLOBAL VISSE INC

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Remote or Atlanta, Georgia, USA

Contract

Sr. Argo Developer Location- Atlanta, GA- Preferred, Open for remote Mode- Contract or FTE Argo Lending Platform exp is a must Technical lead 10 years of working experience in software development Preferred minimum 5 years of Argo experience in Sales & service, lending platforms. Preferred work location is Atlanta Experience with traditional client/server architecture (ideally Argo/Bankpro experience); Argo web/ API experience is a plus Experience in developing interfaces, Check imaging softwar
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Posted 3 days ago | Updated 3 days ago

Full Stack Developer

Irvine Technology Corporation (ITC)

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us

Contract

Full Stack Developer Our client is seeking a talented and motivated Full Stack Engineer to join their dynamic team. In this role, you will have the opportunity to work on innovative marketplace platforms and contribute to the technical growth of their product. With a focus on collaboration and technical excellence, you'll help shape the future of the product by creating high-quality, secure, and scalable solutions. If you're ready to be part of a cutting-edge team that thrives in a fast-paced, c
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Posted 26 days ago | Updated 2 hours ago

Sr. Full Stack Developer (NodeJS)

Precision System Design Inc.

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Remote

Contract

Our F100 client is looking for a Sr. Full Stack Developer who will work within a cross-functional team to build innovative and visionary customer-facing SaaS based products. You will develop new features and maintain existing ones using Node, GraphQL, and various database sources (SQL and NoSQL) in cloud-based environments. This position will be involved in every aspect of the development lifecycle (working with Analysts to understand requirements, writing code to develop new features, integrati
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Posted 31 days ago | Updated 1 day ago

Controls System Engineer (hybrid)

Johnson Controls, Inc.

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Remote or Glendale, Wisconsin, USA

Full-time

What you will do Johnson Controls is hiring a Controls Systems Engineer to apply technology and control theory, thermodynamics and heat transfer to develop models, algorithms, control sequences and system solutions for Building Automation systems (BAS) and commercial HVAC equipment control. You will be responsible for the implementation and test of control applications for commercial HVAC systems (air side and water side) and standalone equipment. This position is based onsite at our new Innova
Posted 13 days ago | Updated 5 hours ago

Senior Software Engineer

Booz Allen Hamilton

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St. Louis, Missouri, USA

Full-time

Job Number: R0220303 Software Engineer, Senior The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop sof tware, but to create a system that will make a difference, we need you on our team. We're looking for an experienced developer like you with the skills needed to develop sof tware and systems from vision to production-ready. This role is more than just coding.
Posted 10 days ago | Updated 6 hours ago