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98 senior web software engineer jobs at 68 companies in Illinois

3mo
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Senior Software Engineer - Digital and Web
Naperville, Illinois, United States
$106k-$159k/yr HybridFull Time
Oncourse Home Solutions
Oncourse Home Solutions: Provides residential service line protection and home warranty solutions.
6+ YOESenior software engineer with 6+ years of full-stack experience; Next.js/React, GraphQL, Node.js, MongoDB; Docker/Kubernetes; GA/SEO; e-commerce/subscription experience preferred.
React, Next.js, GraphQL, Node.js, MongoDB, Docker, Kubernetes, REST, WebSockets, XML, JSON, YAML, Tailwind, Bootstrap, SCSS, Google Analytics, Google Webmaster Tools, SEO
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1w
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Senior Software Developer - Web
Waukegan or Glenview
$96k-$148k/yr OnsiteFull Time
Uline
Uline: Distributes shipping, industrial, and packaging materials across North America.
5+ YOEBachelor's degree in computer science, information technology, or related field; 5+ years of software development experience; web application experience with .NET, Java, JavaScript, or TypeScript; SQL proficiency.
.NET, Java, JavaScript, TypeScript, SQL
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1w
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Senior Software Developer - Web
Waukegan, Illinois, United States
$96k-$148k/yr OnsiteFull Time
Uline
Uline: Distributor of shipping, packaging, and industrial supplies.
5+ YOEBachelor's degree in computer science, information technology, or related field; 5+ years of software development experience; web or e-commerce development using .NET, Java, JavaScript, or TypeScript; SQL experience.
.NET, Java, JavaScript, TypeScript, SQL
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Web Software Developer
Scott AFB, Illinois, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
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
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Senior Web Developer
Chicago, Illinois, United States
$100-$115/hr HybridFull Time
CAI
CAI: Provides global IT services and contingent workforce management solutions.
7+ YOEBachelor's in CS or related,7+ years developing Java-based web and API solutions with Angular 13 and Spring stack; strong API, database, and client-facing skills.
Java, Angular 13, Spring Boot, Spring Data JPA, Spring Framework, Spring Security, Hibernate, Maven, Bootstrap, Oracle, JBoss, GitLab, SQL Developer, Toad, JIRA, JBoss Cruise Control, Eclipse, SOAP UI, Postman, REST
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3mo
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Senior Software Engineer - Digital and Web
Naperville, Illinois, United States
$106k-$159k/yr HybridFull Time
Oncourse Home Solutions
Oncourse Home Solutions: Provides home protection plans and repair services for homeowners.
6+ YOESix years of responsive web and complex eCommerce development experience; expertise with React, Next.js, Node.js, GraphQL, MongoDB, web protocols, CSS frameworks, analytics, SEO, and Microsoft Office 365; bachelor's degree or relevant experience.
React, Next.js, Node.js, GraphQL, MongoDB, Docker, Kubernetes, REST, WebSockets, XML, JSON, YAML, Tailwind, Bootstrap, SCSS, Google Analytics, Google Webmaster Tools, Microsoft Office 365, GA tags, TDD
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2mo
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Senior Software Engineer - Platform (Hybrid)
Chicago, Illinois, United States
$98k-$140k/yr HybridFull Time
Enova International
Enova InternationalNYSE: ENVA: Provides digital lending and credit solutions through machine learning.
3+ YOE3+ years full-stack experience; 1+ year AI tooling; OO languages; multi-language problem solving; API integration; project management; full-stack web apps; collaborate with PM; Bachelor in CS/Engineering.
Ruby, Go, AWS, Cloud Computing, API Integration
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1w
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Senior Software Engineer
Chicago, Illinois, United States
HybridFull Time
Attune
Attune: Agentic voice platform automating healthcare patient engagement workflows.
7+ YOERequires 7+ years of software development experience, web, backend, and AI expertise, leadership and mentoring ability, and proficiency with listed programming languages, frameworks, APIs, databases, AWS EKS, and Kubernetes.
LangGraph, LangChain, MCP, LLMs, RAG, Typescript, React, NextJs, Python, Java, WebSockets, SSE, REST APIs, service workers, Spring, Redis, Postgres, AWS EKS, Kubernetes
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2w
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Senior Software Engineer
Atlanta or Austin or Baltimore or Boston or Charlotte or Chicago or Columbus or Dallas or Miami or Nashville or New York City or Philadelphia or Pittsburgh or Princeton or Raleigh or Tysons or Washington
$126k-$248k/yr RemoteFull Time
MongoDB
MongoDBNASDAQ: MDB: Cloud-based document database platform for software application development.
Full-stack engineering experience with scalable, highly available web applications and databases; collaboration and distributed-systems problem solving required. TypeScript, React, Node.js, WebSockets, Kubernetes, and microservices are advantageous.
MongoDB Atlas, MongoDB Compass, Atlas Data Explorer, TypeScript, React, Node.js, Kubernetes, AWS, Google Cloud, Microsoft Azure
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6d
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Senior Web Application Developer - Facilities & Services
Urbana or Champaign
$90k-$105k/yr OnsiteFull Time
University of Illinois System
University of Illinois System: Public university system providing academic degrees, research, and healthcare.
6+ YOESix years of IT experience, high school diploma or equivalent, programming experience including Java and JavaScript/TypeScript, SQL Server database and enterprise integration experience, and scalable web application architecture experience.
Java, JavaScript, TypeScript, C#, Microsoft SQL Server, React, Spring, Hibernate, Tomcat, CI/CD, DevOps, Kubernetes, APIs
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1mo
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Senior Software Engineer (55220)
Vernon Hills, Illinois, United States
$108k-$127k/yr HybridFull Time
STERIS
STERISNYSE: STE: Provides infection prevention and procedural healthcare products and services.
8+ YOEBachelor's in CS/Engineering,8+ years developing commercial B2B software for web/mobile/cloud/desktop,expertise with C#/.NET and Microsoft Full Stack,Azure experience,Git/DevOps,CI/CD,strong design and problem-solving skills.
C#, .NET, Microsoft Full Stack, Microsoft Azure, Git, DevOps, MFC, Java, React, AWS, Google Cloud
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2w
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Senior Software Engineer, Workbench
Chicago or New York City
$110k-$175k/yr OnsiteFull Time
Tempus AI
Tempus AINASDAQ: TEM: Builds a data platform for AI-powered precision medicine diagnostics.
Professional knowledge of Python, TypeScript or Java, and SQL; web application development; scalable architecture; debugging distributed systems; automated testing; and software design documentation.
Python, TypeScript, Java, SQL, React, Node.js
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1mo
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Senior Software Engineer
Connecticut or West Virginia or South Carolina or Pennsylvania or New Hampshire or Hawaii or California or Michigan or Kentucky or Arizona or New Mexico or Nevada or Florida or Alaska or Washington or Oregon or Texas or Alabama or Mississippi or Tennessee or Illinois or Wisconsin or Louisiana or Arkansas or Missouri or Iowa or Minnesota or Oklahoma or Kansas or Nebraska or South Dakota or North Dakota or Colorado or Wyoming or Idaho or Montana or Utah or Vermont or North Carolina or Massachusetts or Georgia or Rhode Island or New York or Maryland or Delaware or Virginia or Ohio or New Jersey or Maine
$110k-$140k/yr RemoteFull Time
Worksoft: Automation platform for enterprise business process testing and discovery.
10+ YOE10+ years web development experience (C#, .NET, ASP.NET Core) and production AI/ML experience (LLMs, PyTorch/TensorFlow, LangChain, etc.); Bachelor’s in CS/Engineering or 15+ years experience; strong problem solving and customer-facing troubleshooting skills.
OpenAI, Azure OpenAI, Anthropic Claude, Gemini, PyTorch, TensorFlow, scikit-learn, ML.Net, LangChain, Semantic Kernel, RAG, vector databases, LLMs, ASP.Net Core, Web APIs, REST, JWT, OAuth, Azure AD/Entra ID, Blazor, Angular, MS Sql Server, EF Core, WinForms, WPF, .Net MAUI, Service Bus, Kafka, MSBuild, Git
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3mo
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Senior Software Engineer - Tax Product Development
New York or Dallas or Houston or Chicago
$100k-$160k/yr OnsiteFull Time
BDO USA
BDO USA: Provides accounting, tax, and business advisory services to organizations.
5+ YOEFive+ years web-based app development with C#, ASP.NET; cloud/Azure; CI/CD; SQL Server; front-end frameworks; strong communication.
C#, ASP.NET, HTML, JavaScript, Angular, Typescript, Azure, CI/CD, PowerShell, Graph API, Azure CLI, Power BI, SharePoint, SPFx, Power Apps
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2mo
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Sr. Web Platform Engineer
Florida or Texas or Illinois or New York or New Jersey or Colorado or Idaho or Massachusetts or Michigan or Minnesota or Missouri or North Carolina or South Carolina or Utah or Virginia
$102k-$130k/yr RemoteFull Time
TradeStation
TradeStation: Provider of online brokerage services and trading technology.
5+ YOE5+ years web development (2+ years with headless CMS); proficiency in JavaScript, TypeScript, React, Next.js, ContentStack, REST APIs, Git, CI/CD, Google Tag Manager, and Node.js; bachelor's degree or equivalent.
JavaScript, TypeScript, React, Next.js, ContentStack, Contentful, Sanity, REST API, Git, CI/CD, Google Tag Manager, Figma, GitHub Copilot, Claude, Node.js, WebGL, Three.js, GSAP
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1mo
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Senior Software Engineer
Columbus or Boston or Chicago or Austin or Los Angeles or United States or Canada or United Kingdom or Australia
$155k-$195k/yr HybridFull Time
Loop Returns
Loop Returns: Software platform automating e-commerce returns and post-purchase experiences.
5+ YOE5+ years building web applications, backend services, and APIs; strong PHP/Laravel preferred; AI-first tooling experience; ownership of production systems; mentoring and leading technical initiatives.
Claude Code, Cursor, PHP, Laravel, Vue.js, MySQL, DynamoDB, Kubernetes, AWS, Serverless
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2w
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Senior Software Developer
O'Fallon, Illinois, United States
$110k-$120k/yr OnsiteFull Time
ECS
ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.
Bachelor's degree, Java web development, DevSecOps pipeline experience, Secret clearance, and Security+ certification or ability to obtain it immediately after employment.
Java, HTML5, Angular, Spring, RHEL, SQL, Oracle RDBMS, JavaScript, XML, WebLogic, Tomcat, Gradle, Maven, Ant, Python, DevSecOps, Linux, Windows, Apache, Docker, Kubernetes, Git, Jenkins, Artifactory, BASH, Perl, PowerShell, Ansible, Puppet, Chef, Terraform, JUnit, Selenium, Cucumber, Cypress, SonarQube, Fortify, Splunk, React JS, PL/SQL, Kanban, SCRUM, SAFe, DevOps, Jira
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3w
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Senior Software Engineer
Richmond or Lynchburg or Alabama or Arkansas or Connecticut or Delaware or Florida or Georgia or Illinois or Indiana or Iowa or Kansas or Kentucky or Louisiana or Maine or Maryland or Massachusetts or Michigan or Minnesota or Mississippi or Missouri or Nebraska or New Hampshire or New Jersey or New York or North Carolina or North Dakota or Ohio or Oklahoma or Pennsylvania or Rhode Island or South Carolina or South Dakota or Tennessee or Texas or Vermont or Virginia or West Virginia or Wisconsin or Nebraska or Missouri or Maryland or District of Columbia
$97k-$145k/yr HybridFull Time
Genworth Financial
Genworth FinancialNYSE: GNW: Provides insurance products for aging care and mortgage protection.
8+ YOE8+ years IT experience, 5+ years full SDLC web development using JavaScript/HTML, experience with Java, AngularJS v1, OpenText Exstream, MySQL, ability to lead offshore teams and supervise third-party suppliers.
AngularJS v1, HTML5, CSS3, JavaScript, Java, OpenText Exstream, MySQL
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1mo
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Senior Software Engineer
Chicago, Illinois, United States
$114k-$167k/yr HybridFull Time
Morningstar
MorningstarNASDAQ: MORN: Provides independent investment research, data, and analytics.
5+ YOEBachelor's degree required; 5+ years web development with HTML5, JavaScript, CSS3; 3+ years SPA and server-side experience (Angular.js/Vue.js, Node.js/Java); familiarity with design patterns, security, scalability, and Agile practices.
HTML5, JavaScript, CSS3, Angular.js, Vue.js, Node.js, Java, SASS, Grunt, Gulp, Scrum
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2w
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Senior Software Engineer/Full Stack Developer
Denver or Naperville
HybridFull Time
PTMA Financial Solutions
PTMA Financial Solutions: Provides treasury and investment services to public sector entities.
7+ YOEBachelor's degree or equivalent professional experience, 7+ years of experience, and expertise in Java, node.js, SQL, Python, web technologies, relational databases, and collaborative software development.
Java, node.js, SQL, Python, HTTP, JSON, Web Sockets, ClaudeCode, CoPilot for git, Unix, Microsoft SQL Server, PostgreSQL, Azure SQL, Oracle, DevOps
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