266 javascript jobs at 133 companies in Missouri
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Javascript - Senior Developers - AI Training - Kansas City, US
Kansas City or United States
$50/hr RemoteContract, Part Time
BS/MS/PhD in CS or related; professional experience building scalable JavaScript/TypeScript web apps; expert JS/TS knowledge (ES6+, event loop, async), React/Node experience; testing/tool proficiency; strong problem-solving and code review skills.
JavaScript (ES6+), TypeScript, React, Node.js, Vue, Angular, Jest, Cypress, Webpack, Vite, RESTful APIs, GraphQL, LeetCode
1w
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Application Developer - JavaScript
St. Louis or Charlotte or Louisville or Minneapolis or Olympia or Philadelphia or Redlands or San Antonio or Vienna
$84k-$141k/yr OnsiteFull Time
2+ YOE2+ years developing web applications with JavaScript; TypeScript preferred. Experience with modern web frameworks, CI/CD, foundational cartography or visualization knowledge, bachelor's degree required.
JavaScript, TypeScript, ArcGIS Maps SDK for JavaScript, ArcGIS Experience Builder, React, Angular, Svelte, Vue, WebGL, CI/CD
3w
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Software Engineer: Full Stack - Python, Java or JavaScript/TypeScript (TS/SCI Clearance Required)
Alexandria or Chantilly or Englewood or Gaithersburg or Saint Louis or Tucson
OnsiteFull Time
Active TS/SCI clearance with polygraph ability, Bachelor's in CS or related, proficiency in Python/Java/JavaScript/TypeScript, cloud (AWS/Azure), containers, CI/CD, databases, and secure coding practices.
Python, Java, JavaScript, TypeScript, HTML, CSS, JSON, AJAX, REST APIs, React, Angular, Vue.js, Node.js, Spring Boot, Django, Flask, AWS, Azure, MySQL, PostgreSQL, SQL Server, Linux, Windows, Git, GitLab CI, Jenkins, JIRA, Confluence, Docker, Kubernetes, RMF, STIGs, Go, OpenSearch, Elasticsearch, S3, EC2, SQS, SNS, RDS, CloudFormation, Terraform, Ansible, GeoServer, PostGIS, OGC APIs, ESRI ArcGIS
3mo
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Email Marketing Systems Engineer
O Fallon, Missouri, United States
OnsiteFull Time
3+ YOE3+ years IT experience; build and maintain applications; scripting with JavaScript/Python; DNS/DKIM/SPF/DMARC knowledge; adaptable to new tech.
Salesforce Marketing Cloud, SSJS, DNS configuration, JavaScript, Python, MS SQL Server, Jira, Bitbucket
1d
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Associate Software Engineer
Maryland Heights or Hazelwood
$82k-$89k/yr HybridFull Time
1+ YOEBachelor's degree, Agile/Scrum knowledge, 1+ year of Git and object-oriented programming experience, and software development experience with C#, Javascript, and SQL.
C#, Javascript, SQL, Git, Agile, Scrum
2mo
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Full Stack Developer
Columbia, Missouri, United States
OnsiteFull Time
3+ YOE3+ years web/software development; PHP/MySQL; JavaScript (jQuery); LAMP stack; Twig; Git/Jenkins/Perforce; design/architecture experience preferred.
PHP, MySQL, JavaScript, Twig, Git, Jenkins, Perforce
2w
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Associate Web Developer
Columbia, Missouri, United States
RemoteFull Time
Knowledge of web development (HTML,CSS,JavaScript), Node.js, React, Git; willingness to learn Guidewire Cloud and obtain Guidewire certification; bachelor's degree preferred.
Node.js, React, Java, HTML, CSS, JavaScript, Git, DynamoDB, AWS Lambda, AWS, Guidewire Cloud, Gosu, Jutro, XML, SQL, CI/CD
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Solutions Engineer II
Seattle or Liberty Lake or Field-WA or Field-IA or Field-WI or Field-MN or Field-MO or Field-IL
$86k-$130k/yr OnsiteFull Time
Provide technical demonstrations, design solutions, and support sales; know network, cloud/virtualization, web protocols; programming (Python/JavaScript/Golang); Kubernetes; PKI.
Python, JavaScript, Golang, Kubernetes, PKI, HTTP, TLS, SSL, Cloud, Virtualization
1d
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Home Office - Software Engineer I
Columbia, Missouri, United States
$70k-$100k/yr OnsiteFull Time
1+ YOERequires 1–3 years of professional web development experience, HTML, CSS, JavaScript, backend concepts, Git, clear communication, and willingness to learn Elm.
Elm, HTML, CSS, JavaScript, Node.js, Express, Postgres, Git, Haskell, Elixir, OCaml, Algolia
1d
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Home Office - Software Engineer I
Columbia, Missouri, United States
$70k-$100k/yr OnsiteFull Time
1+ YOERequires 1–3 years of professional web development experience, HTML, CSS, JavaScript, Git, backend concepts, clear communication, and willingness to learn Elm.
Elm, Node.js, Express, Postgres, HTML, CSS, JavaScript, Git, Haskell, Elixir, OCaml, Algolia
2mo
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Software Engineering Advisor- Hybrid
St. Louis, Missouri, United States
HybridFull Time
4+ YOEDesign and develop RESTful APIs, web/mobile apps in healthcare; CI/CD; React, JavaScript, Spring Boot; SQL; GitHub; JPA; Hystrix; ORM; WebFlux.
SQL, JavaScript, Node.js, HTML, CSS, MySQL, Splunk, RESTful APIs, JUnit, CI/CD, GitHub, React, Spring Boot, Spring Security, ORM, JPA, Service discovery, Hystrix, WebFlux
1w
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Technical Support Engineer III- Symitar Client Services Engineering
Allen or Cedar Falls or Louisville or Birmingham or Charlotte or Springfield or Monett or Lenexa
$67k-$80k/yr RemoteFull Time
2+ YOE2+ years programming experience; HTML and JavaScript proficiency; client-facing technical support for web technologies, APIs, and network connectivity; strong troubleshooting and communication skills.
HTML, JavaScript, APIs, Google Cloud Platform (GCP), PowerOn, PowerFrame Docs, PL/I, Chromium
1w
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.Net Developer
St. Louis, Missouri, United States
HybridFull Time
4+ YOE4+ years professional experience with Microsoft's .NET technologies, .NET Web Forms, C# or VB.NET, HTML/JavaScript/CSS, and SQL Server; bachelor's degree preferred.
.NET Web Forms, C#, VB.NET, HTML, JavaScript, CSS, jQuery, T-SQL, Microsoft SQL Server, Microsoft IIS, Bootstrap, Foundation, Infor M3, Web Services, AJAX, SOA
3w
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Lead QA Analyst
Kansas City, Missouri, United States
OnsiteFull Time
H&R Block: A tax and financial services providing client help and confidence through a blend of human expertise and digital innovation.
7+ YOE7+ years QA experience, bachelor's in CS/IT/engineering or equivalent, leadership of automation initiatives, API/database testing, advanced SQL, and strong scripting (JavaScript/VBScript).
C#, NUnit, Playwright, Azure, UFT, Selenium, Postman, JavaScript, VBScript, SQL
3w
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UX Designer III
Lake Saint Louis, Missouri, United States
HybridFull Time
5+ YOE5+ years UX design experience for complex products, user research and testing, prototyping, HTML/CSS/JavaScript familiarity, accessibility (WCAG), strong communication and storytelling.
Claude, Axure, Figma, Adobe XD, HTML, CSS, JavaScript
1mo
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Software Developer - Advanced (MO, Saint Louis)
St. Louis, Missouri, United States
OnsiteFull Time
Requires RMF knowledge, experience with Python, HTML, CSS, JavaScript, React, Tableau, database development, and secure full‑stack software development; baccalaureate degree required.
Python, HTML, CSS, JavaScript, React, Tableau
1w
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Software Engineer III, Product Safety & Integrity
Arizona or California or Colorado or Connecticut or District of Columbia or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Maryland or Massachusetts or Michigan or Minnesota or Missouri or New Jersey or New Mexico or New York or North Carolina or Ohio or Oklahoma or Oregon or Pennsylvania or Puerto Rico or Rhode Island or Tennessee or Texas or Utah or Vermont or Virginia or Washington or West Virginia or Wisconsin or Wyoming or Brazil or Canada or Colombia or France or Germany or Ghana or India or Indonesia or Italy or Kenya or Mexico or Morocco or Netherlands or Poland or Singapore or South Africa or Spain or Switzerland or United Kingdom
$92k-$144k/yr RemoteFull Time
1+ YOE1+ years professional experience; proficiency in PHP or Javascript, relational databases, security principles; experience building large-scale applications and driving cross-team objectives.
PHP, Javascript
2w
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Web Developer & Digital Marketing Specialist
Virginia Beach or Arizona or Arkansas or Colorado or Delaware or Florida or Georgia or Illinois or Indiana or Kansas or Kentucky or Massachusetts or Maryland or Michigan or Mississippi or Missouri or Montana or North Carolina or Nebraska or Nevada or New York or Ohio or Oklahoma or Pennsylvania or South Carolina or Tennessee or Texas or Virginia or District of Columbia or Wisconsin or West Virginia
$82k-$95k/yr HybridFull Time
Commence: Delivers AI-powered data solutions for healthcare quality and integrity.
3+ YOE3+ years front-end/web experience with React.js, JavaScript, HTML/CSS, WordPress/PHP, RESTful APIs, SEO, and web analytics; bachelor's degree preferred.
React.js, JavaScript, HTML, CSS, PHP, WordPress, Git, RESTful APIs, Google Analytics/GA4, Search Console
4w
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Sr. Product Engineer
Arkansas or Arizona or Colorado or Florida or Georgia or Idaho or Indiana or Illinois or Iowa or Kansas or Massachusetts or Maryland or Minnesota or Missouri or Montana or North Carolina or New Mexico or Nevada or New York or Ohio or Oklahoma or Oregon or Rhode Island or South Carolina or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or West Virginia
$175k-$220k/yr RemoteFull Time
5+ YOE5+ years professional software development; deep React, JavaScript, NextJS experience; SQL/PostgreSQL knowledge; mentoring experience; strong communication and remote work capability.
React, NextJS, JavaScript, PostgreSQL
2w
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Sr. Software Engineer I, Evaluation Services
Chicago or California or Colorado or Florida or Georgia or Illinois or Indiana or Minnesota or Missouri or Montana or New Jersey or New York or North Carolina or Ohio or Oregon or Pennsylvania or South Carolina or Texas or Utah or Vermont or Virginia or Washington or Wisconsin or District of Columbia
$125k-$175k/yr HybridFull Time
5+ YOE5+ years software engineering with API development and partner integrations; strong REST/WebSocket/JSON/OAuth skills; proficiency in TypeScript/JavaScript or Python; excellent troubleshooting and communication.
REST APIs, WebSockets, JSON, OAuth, Postman, curl, browser developer tools, network analyzers, TypeScript, JavaScript, Python, React, Node.js, Swagger/OpenAPI, ReadMe
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