dotnet Jobs in Missouri

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C# Developer

Kforce Technology Staffing

Remote or Boca Raton, Florida, USA

Contract, Third Party

RESPONSIBILITIES: Kforce has a client that is seeking a C# Developer in Boca Raton, FL. Key Responsibilities: * Architect, develop, and maintain a modern full-stack multi-tenant SaaS platform using .NET 9, C#, and Azure * Apply Domain-Driven Design () and clean architecture principles to support scalability, maintainability, and long-term growth * Build intuitive and responsive front ends using Telerik UI for ASP.NET Core, Bootstrap, Razor Pages, HTML, jQuery, and JavaScript * Design and implem

Applications Architect

Robert Half

Remote or Nashville, Tennessee, USA

Full-time

Description Robert Half is hiring! We are looking for an experienced Applications Architect to design, implement, and oversee application frameworks that drive business success. This role offers the opportunity to contribute to cutting-edge development projects while collaborating with cross-functional teams. Lead a team of backend and full-stack developers in the development and deployment of enterprise-grade applications. Design and implement scalable, secure, and high-performance microservice

Software Engineer

Boeing Company

Remote or Maryland Heights, Missouri, USA

Full-time

Software Engineer Company: Tapestry - G0G Tapestry Solutions, A Boeing Company, comes with over 30 years of industry experience designing, implementing, training, and supporting logistics information systems. A career with the Tapestry Solutions team brings the best of both worlds: access to the incredible depth of resources and opportunities of Boeing while working in a company having a small business, family-oriented culture. We have over 500 employees worldwide supporting our customers wit

Application Architect

Marsh & McLennan Companies

Remote or Washington, USA

Full-time

Company: Marsh McLennan Agency Description: Our not-so-secret sauce. Award-winning, inclusive, Top Workplace culture doesn't happen overnight. It's a result of hard work by extraordinary people. The industry's brightest talent drive our efforts to deliver purposeful work and meaningful impact every day. Learn more about what makes us different and how you can make your mark as an Application Architect at MMA. Marsh McLennan Agency (MMA) provides business insurance, employee health & benefits,

Principal Network Engineer

London Stock Exchange Group

St. Louis, Missouri, USA

Full-time

Network SME Lead Position Summary As the High-Skills Network Technical Lead, your main responsibility will be to ensure the ongoing support and reliability of all components within the LSEG ecosystem, including platforms, networks, applications, and services. In this role, you will provide 4th-line support to the Network Products and Services functions, ensuring the operational stability and adaptability of the LSEG global network. Your key focus will be on creating and maintaining software auto

Principal Software Engineer - Remote

UnitedHealth Group

Remote or San Diego, California, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health op

Senior Cloud SRE Engineer

London Stock Exchange Group

St. Louis, Missouri, USA

Full-time

Senior Cloud SRE Engineer (Azure) - Infrastructure & Cloud Company Profile LSEG (London Stock Exchange Group) is a world-leading financial markets infrastructure and data business. We are dedicated, open-access partners with a commitment to excellence in delivering services across Data & Analytics, Capital Markets, and Post Trade. Backed by three hundred years of experience, innovative technologies, and a team of over 23,000 people in 70 countries, our purpose is driving financial stability, emp

Full-stack Architect

Innova Solutions, Inc

Remote

Contract

Let Volt help move you forward Volt is immediately hiring for Full-stack Architect in Remote As a Full-stack Architect, you will: Key responsibilities: Hands on Experience in C# .NET Core and CosmosDB.Hands on Experience in .NET, .NET Core Web Application Development, Web APIsGood to have experience in React, AngularJS, NodeJSIn-depth knowledge of Web Application Life CycleGood understanding of REST APIs, Data Structures.Must have knowledge on CI/CDGood debugging and analytical skills.Must know

Training and Communications Specialist

Robert Half

Remote or Moline, Illinois, USA

Contract

Description Position Summary: Dual Skillset - Training & Communication We are seeking a versatile detail oriented with expertise in both Training Development and Corporate Communication to support enterprise-wide change initiatives. This role involves creating impactful content, delivering training, and executing strategic communication plans. Training Responsibilities Content Development: Design and develop engaging training materials such as guides, job aids, and e-learning modules. Facilitat

Mid-Level Software Developer

SimVentions, Inc

Remote or Dahlgren, Virginia, USA

Full-time

Overview SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. We are looking for a mid-level Full-Stack Developer experienced with web-based applications development in a microservices architecture to join our team! On this project, Small Scrum teams work together within the Scaled Agile Framework to develop a telecommunications modeling system used to support DOD missions. This position is located on Dahlgren Naval Base. Applican

Application Development Senior Advisors- Hybrid

Cigna

Remote or Sunrise, Florida, USA

Full-time

The job profile for this position is Application Development Senior Advisor, which is a Band 4 Contributor Career Track Role with Cigna-Evernorth Services Inc. Responsibilities- Partner with multiple IT and business teams throughout various software development stages for applications built to support Cigna Voluntary and Dental product offerings; Lead root cause analysis process and provide support for production defects, subsequently resolving or routing to the teams accountable for service re

Senior Staff Network Engineer - Federal

ServiceNow, Inc.

Remote or Orlando, Florida, USA

Full-time

Company Description At ServiceNow, our technology makes the world work for everyone, and our people make it possible. We move fast because the world can't wait, and we innovate in ways no one else can for our customers and communities. By joining ServiceNow, you are part of an ambitious team of change makers who have a restless curiosity and a drive for ingenuity. We know that your best work happens when you live your best life and share your unique talents, so we do everything we can to make t

Linux and Windows Systems Administrator | REMOTE (ship required)

Oracle Corporation

Remote

Full-time

Job Description Building off our Cloud momentum, Oracle has formed a new organization - Oracle Health & Analytics. This team will focus on product development, operations and product strategy for Oracle Health, while building out a complete platform supporting modernized, automated healthcare. This is a net new line of business, constructed with an entrepreneurial spirit that promotes an energetic and creative environment. We are unencumbered and will need your contribution to make it a world c

Senior Software Engineer

Boeing Company

Hazelwood, Missouri, USA

Full-time

Senior Software Engineer Company: Tapestry - G0G Tapestry Solutions, A Boeing Company, comes with over 30 years of industry experience designing, implementing, training, and supporting logistics information systems. A career with the Tapestry Solutions team brings the best of both worlds: access to the incredible depth of resources and opportunities of Boeing while working in a company having a small business, family-oriented culture. We have over 500 employees worldwide supporting our custom

Lead Software Engineer - Supply Chain Replenishment

Publix

Remote or Lakeland, Florida, USA

Full-time

Publix Super Markets, Inc. is the largest privately-owned food retailer in the nation with more than 1,200 stores and more than 200,000 associates throughout the Southeast. We are associate-owned, proud of our family atmosphere, and consistently named as one of the best companies to work for in America. We are largely debt-free and renowned for our financial performance as well as our premier customer service. Publix?s Information Services (I/S) department is located in Lakeland, Florida and Alp

Software Engineer - Desktop and Mobile Applications - Roon

Harman International

Connecticut, USA

Full-time

A Career at HARMAN As a technology leader that is rapidly on the move, HARMAN is filled with people who are focused on making life better. Innovation, inclusivity and teamwork are a part of our DNA. When you add that to the challenges we take on and solve together, you'll discover that at HARMAN you can grow, make a difference and be proud of the work you do every day. About the Role At Roon, we are at the forefront of revolutionizing the way people experience music. Since our inception, we h

Associate Software Engineer

S&P Consultants

Remote or New York, New York, USA

Full-time

About the Role: Grade Level (for internal use): 08 As an Associate Software Engineer based out of our New York City Headquarters, you will join a team that is composed of highly skilled and supportive individuals, with each engineer contributing uniquely to serve our U.S.-based car dealers and manufacturers. The development team oversees and takes ownership of the entire system development life cycle. Job Responsibilities: Take ownership of assigned tasks, both in terms of timeliness and soft

Senior Software Architect - Plex

Rockwell Automation

Remote or Troy, Michigan, USA

Full-time

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

Project Development Engineer I (ESS) - Remote Virtual (Job number: 1227)

Johnson Controls, Inc.

Remote or Huntsville, Alabama, USA

Full-time

We are seeking a Project Development Engineer (Level I) to join our federal team, supporting our Mid-Atlantic / National Capital region, USACE ESS and IBDSS Next contracts. This role will lead the design, development, scope definition, and cost development for facility improvement projects for U.S. Military and other federal government installations, including with Electronic Security Systems (ESS). At Johnson Controls, we support our nation's most critical facilities, the people who occupy the

Sr Developer, Software (IT)

DaVita Inc.

Remote or DeLand, Florida, USA

Full-time

Posting Date 06/12/2025 3000 DaVita Way, Deland, Florida, 32724-2039, United States of America Developer, IT Software (Labs) General Purpose of the Job The Developer, IT Software (Lab) designs and develops .NET applications. Specifically, this position may develop applications using a combination of .NET technologies (e.g., C# and ASP.Net) and database objects (e.g., tables, triggers, packages, stored procedures and functions). This position also writes technical specifications, supports qua