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237 javascript typescript jobs at 116 companies in Illinois

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Javascript - Senior Developers - AI Training - Chicago, USA
Chicago, Illinois, United States
$50/hr RemoteContract
Prolific
Prolific: Platform connecting researchers and AI developers with verified participants.
BS/MS/PhD in CS or related, senior experience building scalable JavaScript/TypeScript web apps, strong JS fundamentals (event loop, async), framework experience, testing/tool proficiency, and ability to spot code issues.
JavaScript (ES6+), TypeScript, React, Node.js, Vue, Angular, Jest, Cypress, Webpack, Vite, RESTful APIs, GraphQL, HTML5, CSS3/4, Tailwind CSS, SASS/SCSS, CSS Modules, axe, Lighthouse, Figma, LeetCode, Browser DevTools
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2mo
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Full Stack JavaScript Engineer, CMS
Chicago or Mexico City
$120k-$155k/yr HybridFull Time, Contract
Codal
Codal: A design and development agency building digital solutions.
3+ YOE3-6 years of full-stack JavaScript experience; hands-on with headless CMS (Sanity, Contentstack, Contentful); React/Next.js; Node.js REST/GraphQL; CI/CD; TypeScript; ability to work across time zones.
React, Next.js, Node.js, REST, GraphQL, Sanity, Contentful, Contentstack, TypeScript, Vercel, AWS
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2d
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Senior Software Engineer - Python/Typescript
Chicago or Raleigh or Royal Oak or New York or United States
$160k-$190k/yr HybridFull Time
SpotOn
SpotOn: Provides point-of-sale and business management software for restaurants.
7+ YOE7+ years software engineering, strong Python and TypeScript/JavaScript, 1–2+ years building LLM/agent systems in production, full-stack capability, stakeholder collaboration, and CI/CD/cloud experience.
Python, TypeScript, JavaScript, Claude Code, LangGraph, CrewAI, AutoGen, Cursor, GitHub Copilot, Windsurf, Salesforce, Apex, Lightning, APIs, AWS, GCP, Azure, GitHub, GitHub Actions, Jira, Slack
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2mo
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Senior Software Engineer (Full-Stack Javascript)
Chicago, Illinois, United States
$114k-$194k/yr HybridFull Time
Morningstar
MorningstarNASDAQ: MORN: Provides independent investment research, financial data, and management services.
3+ YOE3+ years in software development; strong full-stack JavaScript/TypeScript; experience with Vue/Nuxt/React/Next.js/Angular; SSR/CSR; Node.js APIs; AWS; RESTful APIs; modern tooling (Vite/Webpack) and CI/CD.
Vue.js, Nuxt, TypeScript, Node.js, AWS, Vite, Webpack, Rollup, REST APIs
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3mo
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Senior Application Developer
Deerfield, Illinois, United States
OnsiteFull Time
PremiStar
PremiStar: Provides commercial HVAC, plumbing, and building automation services.
5+ YOE5+ years Dynamics 365 development, C#/.NET, JavaScript/TypeScript, Power Platform, and Azure with ERP implementation experience.
Microsoft Dynamics 365, Power Apps, Power Automate, Power BI, Azure, C#, JavaScript, TypeScript, HTML, CSS
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3mo
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Senior Software Engineer, Trading Platform GUI
London or Chicago
OnsiteFull Time
DRW
DRW: Technology-driven principal trading firm operating in global financial markets
Strong software engineering background in JavaScript/TypeScript; experience with performance tuning data-intensive systems; ownership of large codebase.
JavaScript, TypeScript, Node.js, NestJS, Docker, React
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2mo
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Guidewire Jutro Developer (Chicago, IL, US)
Chicago or New York or Atlanta
$100k-$125k/yr HybridFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
Hands-on Guidewire Jutro/JDP, frontend with React/Angular, JavaScript/TypeScript, REST API integrations, cloud-native/microfrontend architectures.
Guidewire Jutro, JDP, React, Angular, JavaScript, TypeScript, REST APIs, Guidewire Cloud Edge APIs, microfrontend, GenAI tools
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1d
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Senior Frontend Software Engineer - Cloud (55435)
Vernon Hills, Illinois, United States
$108k-$126k/yr HybridFull Time
STERIS
STERISNYSE: STE: Provides infection prevention and procedural healthcare products and services.
8+ YOEBachelor's degree in CS or related,8+ years frontend experience,proficient with React,JavaScript,TypeScript,HTML5,CSS3,SPA development,accessibility,Agile,production support.
React, Javascript, CSS3, HTML5, Typescript, Git, RESTful APIs, CI/CD
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3w
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Technical Lead - Node.js
United States or Chicago or Atlanta
RemoteContract
Bridgenext
Bridgenext: Global consultancy providing digital strategy and technical engineering services.
6+ YOE6+ years experience, 4+ years with JavaScript/TypeScript, 2+ years with Node.JS, experience designing service-oriented systems, coaching teams, and working with relational databases.
JavaScript, TypeScript, Node.JS, GraphQL, Kafka
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15h
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Angular Developer
Detroit or Chicago
$85k-$100k/yr HybridFull Time
Reply
ReplyBorsa Italiana: REY: Digital transformation, IT consulting, and system integration services.
5+ YOE5+ years building Angular web apps with TypeScript, JavaScript, HTML5, CSS3; experience with REST APIs and Git; US citizen or green card holder required.
Angular, TypeScript, JavaScript, HTML5, CSS3, REST APIs, Git, Neo4j, D3.js, Chart.js, Highcharts, ECharts, AWS, Azure
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3mo
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Senior Application Developer
Deerfield, Illinois, United States
OnsiteFull Time
PremiStar
PremiStar: Provides commercial HVAC, plumbing, and building automation solutions.
5+ YOE5+ years Dynamics 365 development; strong C#/.NET and JavaScript/TypeScript; Power Platform and Azure experience; BS in CS/IS or related; collaborative problem-solver.
C#, .NET, JavaScript, TypeScript, Power Apps, Power Automate, Dynamics 365, Azure, HTML, CSS
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4w
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Fullstack Senior Software Engineer
Kansas City or Dallas or Chicago
RemoteFull Time
Service Management Group
Service Management Group: Provides software and services for customer and employee experience management.
5+ YOE5+ years building modern web applications with JavaScript/TypeScript, React and Next.js; experience with Azure, SQL; strong system design, testing, CI/CD, and communication skills.
React, Next.js, Azure, SQL, Snowflake, JavaScript, TypeScript
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1w
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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
NinjaTrader
NinjaTrader: Provides futures brokerage services and a trading software platform.
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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1w
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Staff Software Engineer (Insurance Tech)
New York or Chicago or United States
$245k-$270k/yr HybridFull Time
EvolutionIQ
EvolutionIQ: AI-powered claims guidance platform for insurance carriers.
8+ YOE8+ years engineering experience, hands-on Python and TypeScript/JavaScript coding, system architecture and modernization, AI-assisted tooling experience, strong communication and product partnership skills.
Python, TypeScript, JavaScript, C#, .NET
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4w
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Forward Deployed Software Engineer, Internship - Commercial
Chicago, Illinois, United States
$10k/mo OnsiteInternship
Palantir
PalantirNasdaq: PLTR: Developing software platforms for data integration and analytics.
Engineering degree preferred; proficiency in one or more languages such as Python, Java, C++, TypeScript/JavaScript; graduating Dec 2027 or Spring 2028; willing to travel 25–50%.
Python, Java, C++, TypeScript, JavaScript, LLM
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1mo
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Software Engineer
Chicago, Illinois, United States
$90k-$110k/yr HybridFull Time
Midtown Athletic Clubs
Midtown Athletic Clubs: Operates premium athletic clubs and resort-style sports facilities.
3+ YOEBS in Engineering/IT or equivalent, 3+ years software development, experience with TypeScript/JavaScript, Node.js/Express.js/NestJS or React, REST APIs (JSON/XML), agile methodologies, and collaboration tools.
TypeScript, JavaScript, Node.js, Express.js, NestJS, React, JSON, XML, Microsoft Azure DevOps, JIRA, Microsoft Teams, Postman, Microsoft SQL Server, Flutter, Azure, AWS
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1mo
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Software Development Engineer 3, Nurture
United States or Arizona or Arkansas or California or Colorado or Florida or Georgia or Illinois or Indiana or Iowa or Maryland or Michigan or Minnesota or Missouri or North Carolina or Ohio or Oklahoma or Pennsylvania or South Carolina or Tennessee or Texas or Washington or Virginia
$104k-$115k/yr RemoteFull Time
Pushpay
Pushpay: Digital giving and engagement platform for churches and nonprofits.
Experienced full-stack developer with PHP/CakePHP, JavaScript/TypeScript, Svelte/React, PostgreSQL, API integrations, and familiarity with AWS (EC2, RDS, S3) and multi-tenant system design.
CakePHP, PostgreSQL, SvelteKit, PHP, JavaScript, TypeScript, Svelte, React, Salesforce, Mailchimp, Planning Center, Twilio, AWS, EC2, RDS, S3, OAuth, Cognito, SSO
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2w
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Product Engineer (AI) - Operations
Arizona or Colorado or Florida or Idaho or Georgia or Illinois or New Hampshire or Kansas or Massachusetts or Michigan or Minnesota or North Carolina or New York or Ohio or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin
$150k-$160k/yr RemoteFull Time
MedBridge
MedBridge: Provides healthcare education and patient engagement software solutions.
2+ YOE2+ years software engineering experience, hands-on delivery of AI-powered production applications, LLM integration experience, proficiency with Python/TypeScript/JavaScript, strong product instincts and communication.
Claude, Cursor, Codex, OpenAI, Anthropic, Python, TypeScript, JavaScript, Docker, Kubernetes, AWS, Azure, GCP
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1mo
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Sr. Platform Software Engineer
Oak Brook, Illinois, United States
OnsiteFull Time
Inspira Financial
Inspira Financial: Provides health, wealth, retirement, and financial custody solutions.
5+ YOE5+ years in software or solution architecture, bachelor's in computer science or equivalent, strong cloud and DevOps experience, proficiency with JavaScript/React/TypeScript/NodeJS/GraphQL, EM practices and CI/CD.
js, React, TypeScript, NodeJS, Apollo GraphQL, GraphQL, Git Version Control System, PostgreSQL, Google Cloud, Jest, Docker Container, CI/CD Pipelines
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4w
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Forward Deployed Engineer
California or Illinois or New York or Texas
$200k-$300k/yr HybridFull Time
Zendesk
Zendesk: Provides cloud-based software for customer service and support.
5+ YOE5+ years writing production-grade code; proficiency in Python and JavaScript/TypeScript; experience with full-stack development, cloud (AWS), Metaflow, LLM/AI systems, and strong communication skills.
Python, JavaScript, TypeScript, Ruby, Java, React, REST, GraphQL, AWS, Metaflow, LLM
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