156 javascript developer jobs at 66 companies in Roxana, IL
1w
Save
Mark Applied
Hide
Application Developer - JavaScript
Charlotte or Louisville or Minneapolis or Olympia or Philadelphia or Redlands or San Antonio or St. Louis or Vienna
$84k-$141k/yr OnsiteFull Time
2+ YOE2+ years web application development with JavaScript/TypeScript, experience with modern web frameworks, CI/CD, foundational cartography knowledge, bachelor's degree, and ability to travel up to 25–50%.
JavaScript, TypeScript, ArcGIS Maps SDK for JavaScript, React, Angular, Svelte, Vue, WebGL, ArcGIS Experience Builder, CI/CD
3w
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
Developer
St Louis, Missouri, United States
OnsiteFull Time
5+ YOE5+ years software development experience, proficiency in full-stack OOP (C#, Java), relational databases, HTML/CSS/JavaScript and React, Git, RESTful API development, and Agile methodologies.
C#, Java, SQL, PostgreSQL, HTML, CSS, JavaScript, React, RESTful API, Git, Scrum, Kanban, Azure, AWS, CI/CD, DevOps
1mo
Save
Mark Applied
Hide
Mulesoft Developer
St. Louis, Missouri, United States
HybridFull Time
2+ YOEBachelor's or equivalent,2+ years software development experience with Java, Python, JavaScript, build tools (Maven/Gradle), frontend (HTML/CSS), and cloud (GCP/AWS/Azure).
Mulesoft, Java, Python, Javascript, Maven, Gradle, HTML, CSS, GCP, AWS, Azure, Angular, Bootstrap, JAVA/J2EE, SpringBoot, SVN, Git, Github, JDK, SQL Server, MySQL, JIRA, Confluence, JUnit, Selenium, LoadRunner, SoapUI, Data Fabric, CSA Toolset
1mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Front End Developer
Springfield or Vienna or St. Louis
OnsiteFull Time
2+ YOE2+ years of front-end web development; HTML5, CSS3, TypeScript, JavaScript; React/Angular/Vue; GIS knowledge a plus; bachelor's in CS/math/GIS/STEM.
HTML5, CSS3, TypeScript, JavaScript, React, Angular, Vue, GIS, Docker, Kubernetes, Azure, AWS, GCP, CI/CD
4d
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Software Engineer
Maryland Heights, Missouri, United States
$105k-$128k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent, ability to obtain U.S. Secret Clearance, 5+ years software development experience with JavaScript/TypeScript/React and C# or C++, REST API experience, Agile/Jira experience.
JavaScript, TypeScript, React, C#, C++, REST, Jira, Jira Align, Azure Devops, Git, .NET MAUI, SAFe Agile
2w
Save
Mark Applied
Hide
Senior Developer
Calgary or Orlando or Edmonton or Scottsdale or Pittsburgh or Toronto or Raleigh or Columbus or Charleston or Vancouver or Winnipeg or Ottawa or Phoenix or Halifax or St. Louis or Moncton
$160k-$200k/yr RemoteFull Time
4+ YOE4+ years Ruby on Rails experience, front-end fundamentals (JavaScript, React), strong SQL and data skills, background with scale/concurrency, testing practice, and Agile experience.
Ruby on Rails, JavaScript, React, React Native, SQL, Git, GitHub, Jira
1w
Save
Mark Applied
Hide
ServiceNow Developer
St Louis, Missouri, United States
OnsiteFull Time
5+ YOEHigh school diploma/GED,5+ years Full-Stack/HTML/CSS/JavaScript/Agile experience,3+ years ITSM development,ability to obtain ServiceNow CSA within 6 months,active Top-Secret clearance with ability to obtain TS/SCI CI Poly,pass background and drug screening.
ServiceNow, HTML, CSS, JavaScript, REST, SOAP, Microsoft Word, Microsoft Excel
3w
Save
Mark Applied
Hide
Software/Web Developer
Saint Louis, Missouri, United States
OnsiteFull Time
3+ YOEBachelor's degree or equivalent experience, 3+ years software/web development, experience with JavaScript/TypeScript/Python/Java/C#/PHP and React/Angular/Vue, RESTful APIs and databases, strong problem-solving and communication.
JavaScript, TypeScript, Python, Java, C#, PHP, React, Angular, Vue, RESTful APIs, SQL, NoSQL, AWS, Azure, Google Cloud, CI/CD, Docker, Kubernetes
1w
Save
Mark Applied
Hide
Lead Developer, Internal Core Apps (Maximo)
Saint Louis or Birmingham
HybridFull Time
7+ YOE7+ years Maximo development, automation scripting (JavaScript, Jython, Python), Maximo upgrades/implementations, integrations (REST/SOAP, flat files, XML), SQL/SQL Server, IBM WebSphere, strong analytical and Agile experience.
Maximo, JavaScript, Jython, Python, Web Services (REST and SOAP), Flat files, XML, Interface Tables, SQL Server, SQL, IBM WebSphere
2w
Save
Mark Applied
Hide
Senior NetSuite Engineer
Chesterfield, Missouri, United States
OnsiteFull Time
3+ YOE3+ years NetSuite development experience, proficiency in SuiteScript 2.x, SDF, SuiteTalk/REST/SOAP integrations, JavaScript, strong troubleshooting and stakeholder communication; Bachelor\u0002s in CS/IS or equivalent.
SuiteScript 1.0, SuiteScript 2.x, SuiteCloud Development Framework (SDF), SuiteTalk, REST, SOAP, JavaScript, Celigo, Boomi, MuleSoft, HTML, CSS, SQL
1w
Save
Mark Applied
Hide
.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
3d
Save
Mark Applied
Hide
Engineer III
Tempe or St. Louis
HybridFull Time
5+ YOEBachelor's degree or equivalent experience; 5+ years of software engineering experience; expertise in Java or JavaScript, scalable cloud solutions, modern architecture, databases, APIs, testing, observability, and technical leadership.
Java, Spring Boot, REST APIs, React, JavaScript, Kubernetes, Kafka, MongoDB, Oracle, Microsoft Azure, AI, prompt engineering, microservices, domain-driven design, Agile
1w
Save
Mark Applied
Hide
Junior Software Developer
St. Louis, Missouri, United States
$50k-$60k/yr OnsiteFull Time
Bachelor's in CS or related, proficiency in JavaScript, React.js, HTML, CSS, RESTful APIs, PostgreSQL, Git and Figma; experience building web/ERP applications; strong communication and problem-solving.
JavaScript, React.js, HTML, CSS, RESTful APIs, PostgreSQL, FastAPI, Git, Figma, CI/CD
1mo
Save
Mark Applied
Hide
Senior Developer, Full Stack - Contract
St. Louis, Missouri, United States
$51-$64/hr OnsiteFull Time, Contract
5+ YOEBachelor's degree or equivalent; 5+ years full-stack development experience with Node.js and JavaScript, 3+ years Vue.js, experience with CI/CD, Kubernetes, Docker, GitHub, REST/GraphQL, AI coding tools, MCP, and strong testing and communication skills.
Node.js, Vue.js, JavaScript, GraphQL, REST, Apache Solr, MongoDB, PostgreSQL, Oracle, RabbitMQ, Kubernetes, OpenShift, GitHub, GitHub Actions, Jenkins, Codefresh, Docker, Linux/Unix, shell scripting, Prometheus, Grafana, Splunk, Ansible, Redis, OpenAPI/Swagger, Backstage, Azure, Claude, GitHub Copilot, M365 Copilot, Windsurf, Model Context Protocol (MCP), Minimus, Java, Grails, Python, Go, React
1mo
Save
Mark Applied
Hide
Web Software Developer
Scott Air Force Base, Illinois, United States
$120k-$160k/yr OnsiteFull Time
10+ YOE10+ years experience, DoD Top Secret with SCI eligibility, CompTIA Security+, experience with Node.js, React, Strapi, AWS, AppStream, Confluence, JavaScript, HTML, CMS, and technical writing.
Node.js, React, AppStream, Confluence, JavaScript, HTML, Strapi, AWS, ServiceNow, Jira, Microsoft Word, Microsoft PowerPoint, Microsoft Visio, Microsoft Project, Microsoft Excel
1mo
Save
Mark Applied
Hide
AWS Full Stack Engineer
Springfield or Reston or Arnold
$99k-$225k/yr OnsiteFull Time
5+ YOE5+ years full-stack and enterprise application development; 2+ years AWS and IaC experience; proficiency with React/Vue, backend languages (Java, Python, Go, C++), JavaScript/TypeScript, containerization, and cloud-native patterns; TS/SCI clearance required.
React, Vue, Java, Python, Go, SQL, C++, JavaScript, TypeScript, HTML, CSS, AWS, ECS, Lambda, SQS, SNS, EC2, RDS, DynamoDB, IAM, AWS CDK, Terraform, CloudFormation, Docker, Kubernetes, MongoDB, API Gateway
1mo
Save
Mark Applied
Hide
Web Software Developer
Scott AFB, Illinois, United States
OnsiteFull Time
10+ YOE10+ years experience, DoD Top Secret clearance with SCI eligibility, CompTIA Security+, Node.js/React/JavaScript/HTML, Strapi CMS, AWS, AppStream, Confluence, MS Office proficiency, technical writing, and configuration/change management for government customers.
Node.js, React, AppStream, Confluence, JavaScript, HTML, Strapi, AWS, Microsoft Word, Microsoft PowerPoint, Microsoft Visio, Microsoft Project, Microsoft Excel, ServiceNow, Jira
Explore Jobs