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5 senior frontend engineer jobs at 4 companies in Litchfield, IL

3mo
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Software Engineer - Frontend
Florissant, Missouri, United States
OnsiteFull Time
Augustine Institute
Augustine Institute: Provides Catholic theological education and media for faith formation.
Extensive experience building frontend architecture and design systems; React/Next.js web, React Native/Expo mobile; UI/UX optimization; scalable deployments; AI/SEO integration.
React, Next.js, React Native, Expo, Tailwind CSS, LaunchDarkly, New Relic, Mixpanel, Mux, Cloudflare Pages, Vercel, AWS Amplify, ECS, Fargate, EC2, S3, CloudFront, AI/SEO tooling
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2mo
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Geospatial Front End Developer – Multiple Positions at Junior/Mid/Senior Levels
St. Louis or St. Charles or Virginia
OnsiteFull Time
NV5
NV5NASDAQ: NVEE: Technical engineering and consulting for infrastructure and energy projects.
2+ YOEActive/current Top Secret/SCI clearance, US citizenship, Bachelor's in STEM, 2+ years front-end web experience with HTML5/CSS3/TypeScript/JavaScript, experience with React/Angular/Vue, strong communication and problem-solving skills.
HTML5, CSS3, TypeScript, JavaScript, React, Angular, Vue, Docker, Kubernetes, Azure, AWS, GCP, Esri
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2mo
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Geospatial Front End Developer – Multiple Positions at Junior/Mid/Senior Levels
Springfield or Vienna or St. Louis
OnsiteFull Time
NV5
NV5NASDAQ: NVEE: Technical engineering and consulting for infrastructure and energy projects.
2+ YOEActive TS/SCI clearance, bachelor\u0002s degree in CS/math/GIS/STEM, 2+ years front-end experience with HTML5,CSS3,TypeScript,JavaScript and front-end libraries; strong communication and problem-solving skills.
HTML5, CSS3, TypeScript, JavaScript, React, Angular, Vue, Docker, Kubernetes, Azure, AWS, GCP
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3mo
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Senior Software Engineer - Java Full Stack Engineer
O'Fallon, Missouri, United States
$115k-$184k/yr OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
7+ YOE7+ years of software development experience; Java 8+/Spring/Hibernate; Angular/React frontend; AWS cloud; PCI/GLBA compliance; strong communication.
Java, Spring, Hibernate, Angular, React, AWS, SQL, NoSQL, Web Services, Tomcat, Maven, Gradle, Jenkins, JDBC
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21h
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Full Stack Software Engineer - Remote or Hybrid in MN or DC
Minnesota or District of Columbia or Bridgeton
$113k-$193k/yr HybridFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
10+ YOERequires 10+ years software development, 6+ years frontend and full-stack experience with React, Node.js, and .NET, Azure expertise, data integration, AI solutions, and technical leadership.
React, Node.js, .NET, Microsoft Azure, Azure Data Factory (ADF), Databricks, Azure Service Bus, Azure SQL Managed Instance (SQL MI), Delta Lake, Apache Tomcat, Git, REST APIs, Single Page Application (SPA), Quadient
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