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  • Senior UI/UX Engineer

    $107.9k - $195.05k

     ...Strong professional experience developing modern web-based user interfaces and user experiences. Proficiency with HTML, CSS, JavaScript/TypeScript, and Python. Experience with modern UI frameworks such as React, Angular, Vue.js, or Django. Demonstrated understanding... 
    Javascript
    Contract work
    Local area
    Immediate start

    Leidos

    Glen Carbon, IL
    2 days ago

  • Full Stack Developer

    $115k - $125k

     ...of a strategic modernization effort to change how business applications are developed, integrated, and delivered, using Node.js, JavaScript, APIs, and the Profound.js framework. You will help modernize legacy applications into scalable, maintainable systems and work with... 
    Javascript

    KForce

    Saint Louis, MO
    2 days ago

  • Software Engineer 2 (ASP.NET Web API)

    $105.4k - $124k

     ...development life cycle and agile techniquesC# ASP.NET MVC / .NET Framework (at least 4.8 or above)Web Technologies: HTML5, XML, XSL, JavaScript, NodeClient-side framework: jQueryAutomated Testing, NUnit, XUnit, Selenium, or PlaywrightMS SQL Server 2016+SQL Server... 
    Javascript
    Full time
    Local area
    3 days per week

    US Bank

    Saint Louis, MO
    2 days ago

  • Senior Shopify Storefront Engineer

     ...sections/blocks/snippets, metafields/metaobjects, settings schema, Shopify CLI and the theme editor. ~ Excellent vanilla JavaScript and Web Components / custom elements (we do not use React or Vue in the theme), plus modern CSS/Sass and a real build toolchain (... 
    Javascript

    Plug

    Saint Louis, MO
    2 days ago

  • Full Stack JavaScript Developer (Data & Search Focus)

    $140k - $170k

     ...Louis, MO (On-site) Clearance: TS Required / TS/SCI Preferred Position Overview Metric5 is seeking a motivated Full Stack JavaScript Developer to join a highly visible mission project for our NGA customer. In this role, your primary focus will be designing,... 
    Javascript
    Temporary work
    Immediate start

    Metric5

    Saint Louis, MO
    3 days ago

  • Lead QA Automation Engineer

     ...years in automation testing, with at least 2 years hands-on experience using Cypress and TypeScript • Advanced proficiency in JavaScript/TypeScript, Node.js, and automation design patterns • Skilled in API automation using tools such as Postman or equivalent •... 
    Javascript

    The Giant Bullseye

    Saint Louis, MO
    13 days ago

  • Mid Software Developer

     ...automate AWS and RDS tasks Experience using AWS SDK API tools to build on AWS. Lambdas, EC2, and React. Experience implementing JavaScript, Java, and SQL ~ Active TS/SCI Clearance   Preferred Qualifications: ~ Master's Degree with 2+ years of prior relevant... 
    Javascript
    Work at office
    Work from home
    Home office

    Chenega Corporation

    O Fallon, IL
    27 days ago

  • Advanced Software Engineer

    $85k - $115k

     ...with experience maintaining both legacy and modern applications.Solid understanding of front-end technologies including HTML, CSS, JavaScript, and React.JS, and legacy Angular JS.Familiarity with containerization technologies such as Docker and orchestration tools like... 
    Javascript
    Work at office
    Remote work
    Flexible hours

    RMA PA

    Saint Louis, MO
    2 days ago

  • Mendix Developer

    $75.2k - $158.1k

     ...standards Integrate Mendix applications with external systems, databases, and APIs Implement custom widgets and modules using JavaScript, Java, or React when needed Perform code reviews and ensure adherence to Mendix best practices and coding standards... 
    Javascript
    Full time
    Contract work
    Work experience placement
    Local area
    Flexible hours

    CACI International

    Alton, IL
    2 days ago

  • Mobile Frontend Developer

     ...one or more mobile frameworks: · React Native, Flutter, or native development (Swift, Kotlin, Java). · Strong understanding of JavaScript, TypeScript, or Dart (depending on framework). · Experience with state management libraries (e.g., Redux, MobX, Provider, Bloc)... 
    Javascript
    Remote work

    Krest Global Solutions

    Saint Louis, MO
    22 days ago

  • Advanced Software Engineer

    $103k - $155k

     ...manage and process data at scale across multiple platforms ~ Build full-stack features across .NET/C# backend services, React/JavaScript frontends, and SQL data layers to support core product workflows ~ Build and maintain integrations with external systems and... 
    Javascript
    Full time

    Relativity

    Alton, IL
    2 days ago

  • Intelligence Operations Integrator

     ...fusing intelligence capabilities in support of operations Technical background with working knowledge of Python, Java, and/or JavaScript/typescript Strong communication skills with the ability to break down, explain, and demonstrate complex concepts in an easy-... 
    Javascript
    Contract work
    For contractors

    Barbaricum

    Scott Air Force Base, IL
    4 days ago

  • Development Intern

     ...such a program within roughly the past year. # Working coding ability in at least one general-purpose language, with Python or JavaScript being the most immediately useful here, at a level where the candidate can read unfamiliar code and modify it rather than only write... 
    Javascript
    Hourly pay
    Part time
    Internship
    Work at office
    Immediate start
    Remote work

    de Anda Capital

    Saint Louis, MO
    3 hours agonew

  • Software Engineer - Full Stack & AI-Enabled Development

     ...Design, develop, test, deploy, and support modern full-stack applications. Build front-end applications using React and modern JavaScript/TypeScript frameworks. Develop APIs, services, and application back ends using .NET / C# . Design and work with... 
    Javascript
    Full time
    For contractors
    Flexible hours

    Clayco

    Saint Louis, MO
    3 days ago

  • Senior Node.js Developer

    Job Description Job Description Overview: We are seeking a Senior Node.js Developer to lead backend development for security and vulnerability remediation programs. The ideal candidate has strong Node.js expertise, experience working with security teams, and exposure...
    Suggested

    The Giant Bullseye

    Saint Louis, MO
    1 day ago

  • Full Stack Software Engineer

     ..., and maintain cloud-based services using AWS Lambda, EC2, and other core AWS services. Write and maintain code in C#, Java, JavaScript/TypeScript, Python, and Shell scripting. Create, document, and manage new and existing functionality in GitLab repositories.... 
    Javascript
    Immediate start

    Reinventing Geospatial, Inc. (RGi)

    Saint Louis, MO
    a month ago

  • Full-Stack Developer

     ...Information Systems, or a related field; equivalent experience may be considered. Proficiency Required In: .NET Core / .NET C# JavaScript / TypeScript Modern front-end frameworks (Angular preferred; React experience a plus) SQL Server, Entity Framework, LINQ... 
    Javascript
    Temporary work
    Work at office
    Remote work
    Flexible hours

    Lexicon Services

    Saint Louis, MO
    16 days ago

  • Software Developer

    $87.1k - $157.45k

     ...integration experience with JSON/REST web services, as well as the parsing, generation and validation of JSON. Working knowledge of JavaScript.Experience designing, developing and deploying software in a cloud environment (AWS is a plus).Experience designing, building and... 
    Javascript
    Full time
    Contract work
    Interim role
    Remote work

    Leidos

    O Fallon, IL
    2 days ago

  • Tech Lead

     ...sessions. Solid experience with RESTful APIs and JSON/SOAP based API with Java. Experience in web technologies such as JavaScript, JQuery, AngularJS, CSS, CSS 3.0, cross browser compatibility, GWT & HTML. Ability to debug server-side API calls, and contribute... 
    Javascript

    Procyon TS

    Saint Louis, MO
    21 hours ago

  • Full Stack Developer

     ...development team. • Designs, codes and unit tests front and back-end solutions for integrated systems using packages such as HTML, CSS, JavaScript, Python, Go, SQL. • Develops integration code to connect and interface systems and services. • Develops solutions that... 
    Javascript
    Full time

    WILLIAM C BROWN INC (WCBinc)

    Saint Louis, MO
    1 day ago

  • Tech Lead

     ...technologies (e.g., AWS, Azure). Familiarity with DevOps practices and tools. Knowledge of front end technologies (e.g., HTML, CSS, JavaScript). Experience in software architecture and design patterns. Qualifications: Bachelor's degree in Computer Science,... 
    Javascript
    Work from home

    Yantran LLC

    Saint Louis, MO
    3 days ago

  • Senior Instructional Designer

     ...Tools: Articulate Storyline 360, Adobe Captivate, SCORM Cloud, PowerPoint, and multimedia authoring tools. Technical Skills: JavaScript extensions, xAPI, cmi5, LMS integration, SCORM, and Blender. Innovation: Experience with AI-powered learning solutions, vibe... 
    Javascript
    Contract work
    Remote work

    Kellton

    Saint Louis, MO
    2 days ago

  • Sharepoint Developer

     ...SharePoint applications * Experience in SharePoint templates; customization; branding and web development (HTML; CSS; XSL; XSLT; CAML; JavaScript) * Strong SharePoint troubleshooting skills * Strong documentation and communication skills * Strong user interaction and... 
    Javascript

    WILLIAM C BROWN INC (WCBinc)

    Saint Louis, MO
    24 days ago

  • AI Engineer

    $82.1k - $172.4k

     ...implementing AI solutions in live production systems ~ Strong proficiency in multiple programming languages (e.g., Python, Java, C++, JavaScript) ~ Expertise in cloud services, particularly Azure and AWS ~ Extensive knowledge of API development and management ~... 
    Javascript
    Full time
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    O Fallon, IL
    4 days ago

  • Software / AI Native Engineer

     ...concept. Strong hands-on software-engineering capability in at least one modern programming language such as Python, Java, JavaScript/TypeScript, or equivalent. Strong understanding of enterprise software-engineering principles including APIs, distributed systems... 
    Javascript
    Contract work

    VDart Inc

    Saint Louis, MO
    1 day ago

  • MSS Developers (Various Locations)

     ...data environments and classified networks Prior Combatant Command support Solid Python and SQL skills with familiarity in JavaScript/TypeScript   Working Conditions Must be able to work onsite in a SCIF Our Core Values Employees of Agile Defense are our... 
    Javascript

    Agile Defense

    O Fallon, IL
    16 days ago

  • Technical Lead

    $70 - $90 per hour

     ...Experience with Teamcenter R2312 and above versions Highly proficient in scripting languages, including Perl script, Windows script, Javascript, HTML, and CSS. Highly proficient in Teamcenter Transfer Mode / Transfer Option Set. Proficient working in both Windows and Linux... 
    Javascript
    Remote work

    Butler America

    Saint Louis, MO
    2 days ago

  • IVR Developer (Amazon Connect)

    $65 - $70 per hour

    Job ID: 20854Requisition: R01568696Location: Saint Louis, United StatesCategory: Digital EngineeringAbout Brillio: Brillio is one of the fastest growing digital technology service providers and a partner of choice for many Fortune 1000 companies seeking to turn disruption...
    Hourly pay

    Brillio

    Saint Louis, MO
    3 days ago

  • Intern - Software Engineer, Summer 2027

     ...software development or application development Must have applied proficiency in one or more programming languages such as Java, JavaScript, React, SQL, or Python Must be committed to incorporating security into all decisions and daily job responsibilities... 
    Javascript
    Work experience placement
    Summer work
    Internship
    Summer internship
    Work at office
    Remote work
    Work from home
    Monday to Friday

    Enterprise

    Saint Louis, MO
    1 day ago

  • Digital Analyst Internships

     ...detail Bonus: Knowledge of usability testing methods and tools Basic programming or scripting experience in Python, SQL, or JavaScript Experience with Sitecore or other Content Management Systems Company Description At Beckman Coulter Diagnostics, part of... 
    Javascript
    Remote job
    Internship
    Worldwide

    Danaher

    Edwardsville, IL
    21 hours ago