Top 12 Ui developer Jobs in O'fallon Mo

Full Stack Senior Developer C#/ASP.Net/React
Centerprism —St. Louis, MO
- $79,619 - $109,886 a year
- Part-time
- Hybrid work
- Azure
- Java
- AWS
- AD&D insurance
- Health insurance
Quick Apply
14d
Web Design Student Employee
CWS - Work Study —St. Louis, MO
- $15 an hour
- Part-time
- Software troubleshooting
- Entry level
Software Engineer - Frontend
Augustine Institute Inc —Florissant, MO
- Full-time
- System design
- Office
- Bachelor's degree
Quick Apply
Full Stack C# / .NET Angular Developer
Byrne Software Technologies —Chesterfield, MO
- From $75,000 a year
- Full-time
- Background check
- Azure
- Management
- Health insurance
- Dental insurance
Quick Apply
Full Stack Software Developer (.NET/React)
Copeland —St. Louis, MO
- Full-time
- Hybrid work
- Azure
- Mid-level
- Residential
- Paid parental leave
- Paid holidays
10d
Software Developer II - Financials (Full Stack, Front End)
National Information Solutions Cooperative (NISC) —Lake Saint Louis, MO
- Hybrid work
- Computer science
- Computer Science
- Customer service
- Health savings account
- Paid holidays
12d
Mobile Application Developer
Bridgesoft —Pacific, MO
- Computer science
- Computer Science
- Software troubleshooting

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Web Design Student Employee
CWS - Work Study —St. Louis, MO
Design, develop, and maintain websites and web applications using HTML and other relevant programming languages. Experience with front-end development (HTML).
$15 an hour
Education Specialist/Instructional Designer (Hybrid) - Instructional Design Studio
Washington University in St. Louis —St. Louis, MO
No specific certification/professional license is required for this position. A driver's license is not required for this position.
$58,400 - $99,700 a year

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React Developer
RenaissanceTech —Dublin, OH
Build reusable, scalable, and maintainable React components and front-end architecture. Experience with API design, integration, and troubleshooting.
$85,000 - $110,000 a year
Quick Apply
Senior Frontend Developer
Stafford Technology —Worthington, OH
Experience with design tools such as Figma, Illustrator, or Photoshop. This role focuses on developing reusable UI components, enhancing website functionality,…
$45 - $52 an hour
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Full Stack Senior Developer C#/ASP.Net/React

Centerprism -
St. Louis, MO

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Job Details

Part-time | Full-time | Contract | Internship
$79,619 - $109,886 a year
14 days ago

Benefits

AD&D insurance
Health insurance
Dental insurance
Vision insurance
Life insurance

Qualifications

ASP.NET
Software engineering
MVC
Bug Tracking (Quality assurance practices)
Engineering development testing
Bug Reporting (Quality assurance practices)
JavaScript frameworks
Microservices
System design for system development
Issue tracking
Version control systems
Web applications
Agile software development
Application Maintenance
Design (software development lifecycle)
Agile planning
Web services design
Database software proficiency

Full Job Description

Job Overview

We are seeking a dynamic and highly skilled Full Stack Senior Developer specializing in C# and web development to join our innovative technology team. In this role, you will lead the design, development, and deployment of scalable, high-performance software solutions. You will work across the full technology stack, collaborating with cross-functional teams to create robust applications that meet evolving business needs. Your expertise will drive system architecture decisions, optimize existing platforms, and implement cutting-edge features using a variety of programming languages and frameworks. This is an exciting opportunity to influence the future of our digital infrastructure while working in a fast-paced, agile environment that values innovation and continuous improvement.

Responsibilities

Lead the development of full-stack applications utilizing C#,.NET framework, React, and modern JavaScript frameworks such as React or Angular to deliver seamless user experiences.
Design and implement RESTful APIs and microservices architectures to ensure system scalability, reliability, and maintainability.
Collaborate with product owners and stakeholders to gather requirements and translate them into technical specifications aligned with best practices in software engineering.
Develop scalable systems by applying design patterns, system design principles, and cloud infrastructure solutions such as AWS or Azure.
Maintain version control using tools like GitHub or SVN, and implement CI/CD pipelines for automated testing and deployment.
Optimize application performance by analyzing system bottlenecks, refining codebases, and ensuring adherence to security standards such as RBAC (Role-Based Access Control).
Contribute to agile software development processes through regular sprint planning, stand-ups, code reviews, and documentation.

Qualifications

Minimum 5 years of C#/.NET full‑stack development

· Expert‑level proficiency in C#, ASP.NET, MVC, and SQL Server

· Strong understanding of SOLID principles and modern software engineering practices

· Skilled in debugging, testing, maintenance, and bug tracking

· Ability to thrive in a highly agile, collaborative environment

· Excellent written and verbal communication skillsProven experience in software development with a strong focus on web development using C#,.NET technologies, JavaScript frameworks (React, Angular), and RESTful API design.

Extensive knowledge of IT infrastructure including cloud services (AWS, Azure), Linux environments, and database management systems such as MySQL or SQL Server.
Solid understanding of system design for scalable systems employing microservices architecture, design patterns, and APIs.
Hands-on experience with version control systems like Git or SVN along with CI/CD tools for automated deployment workflows.
Familiarity with Agile software development methodologies including Scrum or Kanban to facilitate iterative project delivery.
Strong programming skills across languages such as Python, Java, C++, C#, VBA or C are highly desirable for supporting diverse application needs.
Ability to work effectively in a collaborative environment while managing multiple priorities in a fast-paced setting.

Join us as we push the boundaries of technology innovation! We are committed to fostering an inclusive culture that values continuous learning and professional growth. If you’re passionate about building impactful software solutions with cutting-edge tools and methodologies—this is your chance to make a difference!

Family‑first culture, zero bureaucracy, tight‑knit team, real ownership, and constant recognition — a place where your work truly matters.

Pay: $79,619.00 - $109,886.00 per year

Benefits:

AD&D insurance
Dental insurance
Health insurance
Life insurance
Vision insurance

Work Location: Hybrid remote in St. Louis, MO 63141

Quick Apply

Refine Your Search

ui developer jobs in o'fallon mo

Full Stack Senior Developer C#/ASP.Net/React

Web Design Student Employee

Software Engineer - Frontend

Full Stack C# / .NET Angular Developer

Full Stack Software Developer (.NET/React)

Software Developer II - Financials (Full Stack, Front End)

Mobile Application Developer

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