34 react js developer jobs at 25 companies in Windsor, PA

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Senior React Software Engineer (contract)
Baltimore, Maryland, United States
$65-$75/hr RemoteContract
Mindgrub
Mindgrub: Digital agency providing custom software and AI innovation solutions.
4+ YOEU.S. citizen required. 4+ years front-end experience with React and JavaScript/TypeScript. Experience with reusable component libraries, client-side state, accessibility, responsive design, testing, CI/CD, and strong communication skills.
React, TypeScript, JavaScript, HTML, CSS, CI/CD, Git
1w
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Lead Full Stack Engineer (.Net, Vue/React) - Fully Remote
Baltimore or United States
RemoteFull Time
CoverGo
CoverGo: No-code insurance platform for life, health, and P&C insurers.
8+ YOE2+ Mgmt8+ years full-stack experience, 2+ years in a lead role, proficiency with .NET Core,C#,GraphQL,MongoDB,Docker,Javascript,Vue.js/React.js,cloud platforms,testing,security and performance optimization.
.NET Core, C#, GraphQL, MongoDB, Docker, Javascript, Vue.js, React.js, AWS, Azure, Google Cloud
2w
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Contract Associate Development Engineer
Hunt Valley, Maryland, United States
$82k/yr OnsiteContract, Full Time
Sinclair
SinclairNASDAQ: SBGI: Operates television stations and produces news and sports programming
0.5+ YOEBachelor's in CS or equivalent experience, ~6 months application/web development, proficiency with JavaScript/Java/Node.js/React/Python/SQL/NoSQL, familiarity with CI/CD and cloud-native architectures.
JavaScript, Java, Express, Node.js, MySQL, MongoDB, Mongoose, Python, ReactJS, jQuery, HTML5, CSS, CI/CD, IAC, AWS, Databricks, Docker, Kubernetes, Terraform
2mo
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Senior Software Engineer
Baltimore, Maryland, United States
$125k-$155k/yr OnsiteFull Time
The Baltimore Banner
The Baltimore Banner: Independent nonprofit digital newsroom serving the Baltimore region.
5+ YOE5+ years software development, 3+ years building scalable web apps, strong JavaScript (React/Angular/Vue), Node.js, cloud (AWS preferred), database and caching experience, bachelor’s or equivalent.
JavaScript, React, Node.js, Angular, Vue, AWS, SQL Server, Oracle, MongoDB, MySQL, Redis, Memcached, Varnish, Arc XP, WordPress
1mo
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Senior Ruby on Rails Engineer, (Senior Consultant, Engineering & Technical Services)
Baltimore or Alabama or California or Delaware or District of Columbia or Florida or Georgia or Maryland or New Jersey or New York or North Carolina or Pennsylvania or South Carolina or Tennessee or Texas or Virginia or West Virginia
$121k-$140k/yr RemoteFull Time
Fearless
Fearless: Digital services firm delivering IT solutions for government agencies.
5+ YOE5+ years Ruby on Rails experience, proficiency with frontend frameworks (React/JS/TS), RESTful APIs, Sidekiq, strong OO design, accessibility knowledge, ability to obtain Public Trust clearance, bachelor's degree or equivalent experience.
Ruby on Rails, React, JavaScript, TypeScript, HTML5, CSS3, Sidekiq, RESTful APIs, OAuth, SSO
3w
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Full Stack Software Engineer
Ellicott City, Maryland, United States
$120k-$140k/yr OnsiteFull Time
DCCA
DCCA: Provides IT and engineering solutions for government and defense agencies.
6+ YOE6+ years full-stack development with Java 17, Spring Boot, React/Redux, REST, SQL/Postgres; Public Trust clearance preferred; BS in CS preferred; strong communication and Agile experience.
Spring Boot, Microservices, Java17, React, Redux, HTML5, CSS3, SCSS, JavaScript, Typescript, JSON, SQL, Postgres, Junit, SonarQube, webpack, npm, Storybook, GitHub, Wildfly, RDBMS, ORM, REST, AWS, Kafka, AWS Lambda, S3, Apache POI, Microsoft Word, Microsoft Excel
3w
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DevSecOps Engineer
Baltimore, Maryland, United States
RemoteFull Time
Global Alliant
Global Alliant: Provides IT modernization and software development for government agencies
5+ YOE5+ years full‑stack DevSecOps experience with Java/Spring, front-end (React/Angular), CI/CD, containers, AWS, automated testing, and ability to obtain Public Trust clearance.
Java, Spring Boot, JEE, REST/JSON APIs, React, Angular, JavaScript, TypeScript, AWS, Jenkins, Concourse, Git, GitHub, Docker, Kubernetes, Selenium, Cucumber, TDD, BDD, Hadoop, Spark, Hive, Cassandra, Tomcat, AWS Lambda, Kotlin, Scala, Prometheus
1w
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Full Stack Developer
Baltimore, Maryland, United States
RemoteFull Time
Magpie Health Analytics
Magpie Health Analytics: Provides healthcare analytics solutions for commercial and government health payers.
4+ YOEBachelor's degree and 4+ years building web and cloud solutions using Python, JavaScript, React/Angular/Node.js, SQL, Docker, CI/CD and RESTful APIs; Agile experience; AWS and healthcare analytics preferred.
Python, JavaScript, HTML/CSS, React, Angular, Node.js, SQL, Docker, RESTful API, GitHub Actions, CloudFormation, Jenkins, AWS, EHR, HIE
1mo
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Full Stack Java/Cloud Developer - Assistant Vice President
New Castle, Delaware, United States
$107k-$161k/yr HybridFull Time
Citi
CitiNYSE: C: Global diversified financial services holding.
5+ YOE5+ years apps development experience with Java EE, Spring, SQL, JavaScript/React; familiarity with Azure/AWS, CI/CD, Git, Maven, Oracle; Bachelor's in CS or equivalent experience.
Java EE, SQL, Spring, JavaScript, Bootstrap, ReactJS, Azure, AWS, CI/CD, Git, Oracle, Maven
2w
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Software Engineer I
Reading or Tampa
OnsiteFull Time
Penske Truck Leasing: Provides commercial truck leasing, rental, and vehicle maintenance services.
5+ YOEBachelor's in CS/CE or equivalent, 5+ years programming (Java, RPG, etc.), full‑stack experience (React/Angular/HTML/CSS/JavaScript), REST/myBatis/Spring, relational DB design, Agile, and strong communication.
Java, RPG, React, Angular, jQuery, HTML, JavaScript, CSS, Spring framework, Spring-MVC, myBatis, RESTful API’s, Agile, DevOps Tools, CI/CD
4d
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Full Stack Engineer
United States or San Francisco or New York City or Los Angeles or Boston or Seattle or Washington or San Diego or Chicago or Austin or Dallas or Portland or Denver or Philadelphia or Baltimore or Sacramento or Minneapolis or Miami or Atlanta or Phoenix or Orlando or Las Vegas or Salt Lake City or Madison or Birmingham or San Antonio or Spokane or Toronto
$115k-$195k/yr HybridFull Time
Roo
Roo: Digital marketplace connecting veterinary professionals with animal hospital shifts.
2+ YOERequires 2–4 years of software engineering experience, strong TypeScript/JavaScript, SQL, Node, Express, React, AWS, relational databases, teamwork, and communication skills.
TypeScript, JavaScript, React Native, Node, Express, React, AWS, SQL, relational databases, Redux, Next.js, Jest, Cypress
1mo
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SENIOR SOFTWARE DEVELOPER/ENGINEER (CLOUD/CYBER)
Huntsville or Aberdeen or Colorado Springs or Crestview or Tupelo
OnsiteFull Time
Sentry Construction
Sentry Construction: Provides general contracting and comprehensive property maintenance services.
7+ YOEBS in CS/Software Eng or equivalent, 7+ years software development experience, DoD Top Secret/SCI eligibility, experience with Python, containers, AI/LLMs, databases, Linux, AWS, and Agile/Scrum.
LLMs, Ollama, LM Studio, Python, C#, Go Lang, React, JavaScript, HTML, CSS, Git, Docker, Bash, TensorFlow, PyTorch, SQL, MongoDB, PostgreSQL, Redis, Linux, AWS, RESTful API, Agile/Scrum
1w
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Mid-Level Full Stack Software Developer
Belcamp, Maryland, United States
$65-$75/hr RemoteContract
SURVICE Engineering
SURVICE Engineering: Engineering services and survivability analysis for defense systems.
3+ YOEBachelor's in CS or related and 3+ years experience; experience with MySQL/MariaDB, JavaScript/NodeJS, Angular/React, Azure or AWS; eligible for U.S. Secret clearance and U.S. citizenship required.
MySQL, MariaDB, JavaScript, NodeJS, HTML, CSS, Angular, React, Azure, AWS
1mo
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Sr. Software Developer
Mechanicsburg, Pennsylvania, United States
$100k-$105k/yr OnsiteContract
Connected Logistics
Connected Logistics: Provides IT and logistics services for government defense agencies.
10+ YOE10+ years professional software development experience; strong expertise with C#, VB.NET, .NET 8+, ASP.NET Core, JavaScript and modern front-end frameworks, SQL/Entity Framework, microservices, messaging, Git; U.S. citizen with current T3 investigation; onsite work required.
C#, VB.NET, .NET 8+, ASP.NET Core, JavaScript, React, Angular, SQL, Entity Framework, NServiceBus, RabbitMQ, Git
1mo
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Full Stack Developer
Baltimore, Maryland, United States
$120k-$165k/yr OnsiteFull Time
Whitman, Requardt & Associates
Whitman, Requardt & Associates: Providing engineering, architectural, and environmental design services for infrastructure.
5+ YOEBachelor's in a technical field,5+ years developing data-driven applications with C#,ASP.NET Core/MVC,Entity Framework and SQL Server; experience with web technologies, testing, CI, security, and mentoring;US citizenship required.
C#, ASP.NET Core, ASP.NET MVC, Entity Framework, SQL Server, HTML, CSS, Bootstrap, JavaScript, Angular, React, Vue, REST API, Microsoft Azure, Microsoft SharePoint, Microsoft Team Foundation Server, Microsoft Azure DevOps, Web Content Accessibility Guidelines (WCAG)
1mo
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Sr Full Stack Software Engineer
Chicago or Washington or Baltimore or Louisville or Dallas or Frisco or Kentucky
$107k-$147k/yr RemoteFull Time
Humana
HumanaNYSE: HUM: Provides health insurance plans and clinical healthcare services.
4+ YOEBachelor's in CS or equivalent, 4+ years software engineering including Python, 2+ years with Angular/React/Vue or Java/Node.js, cloud and microservices experience, REST API and testing skills.
Java, JavaScript, HTML, PHP, C#, Python, Angular, React, Vue.js, Node.js, Microsoft Azure, AWS, Google Cloud Platform (GCP), Kubernetes, REST APIs, SASS, W3C Web Standards
4w
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Senior Drupal Engineer (NCS) - BCIT
Baltimore, Maryland, United States
$87k-$140k/yr OnsiteFull Time
City of Baltimore
City of Baltimore: Provides municipal services and public administration for Baltimore, Maryland.
3+ YOEBachelor's degree and 3+ years Drupal development experience; PHP, Drupal theming, HTML/CSS/JavaScript/Twig, Git and CI (Jenkins); Drupal site architecture, custom modules, and migration experience preferred.
Drupal, PHP, HTML, CSS, JavaScript, Twig, Git, Jenkins, Symfony, React, Angular
1mo
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Software Test Automation Engineer – Full Stack - (Remote)
Baltimore or United States
$55k-$70k/yr RemoteFull Time
Archesys
Archesys: Provides digital strategy and cloud solutions for government agencies.
3+ YOEU.S. work authorization and 3 of last 5 years residency, ability to attain Public Trust clearance, Bachelor’s in CS/Engineering, 3+ years software engineering, experience with .NET/C#, TypeScript/React/Next.js, SQL, automated testing frameworks, Git and Microsoft Azure.
.NET, C#, ASP.NET Core, TypeScript, JavaScript, React, Next.js, SQL, xUnit, NUnit, Jest, Cypress, GitHub Copilot, Cursor, Entity Framework Core, Dapper, RESTful Web APIs, Git, Microsoft Azure, Microsoft Azure DevOps, Microsoft Azure Cognitive Services, Microsoft Azure Functions, Microsoft Logic Apps, Microsoft Azure Kubernetes Service (AKS), Docker, Kubernetes, OAuth2.0, OpenID Connect
5d
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Automation Engineer
Baltimore or Pittsburgh
$90k-$130k/yr HybridFull Time
Expedient
Expedient: Cloud computing infrastructure and managed technology services.
Strong Python proficiency; experience building production automation, AI-assisted software, REST APIs, data scripts, and stakeholder requirements; Go, JavaScript/TypeScript, Docker, Kubernetes, CI/CD, databases, and Retool preferred.
Python, Claude Code, GitHub Copilot, Codex, Cursor, Go, JavaScript, TypeScript, Docker, Kubernetes, GitHub Actions, Argo, Jenkins, Retool, MySQL, PostgreSQL, ITSM, CPQ, PHP, Symfony, React, GitHub, Kanban
2mo
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Javascript - Senior Developers - AI Training - Baltimore, US
Baltimore or United States
$50/hr RemoteContract, Part Time
Prolific
Prolific: Platform connecting researchers and AI developers with verified participants.
BS/MS/PhD in CS or related, professional experience building scalable web apps with JavaScript/TypeScript, expert-level JS knowledge (event loop, closures, async), able to solve LeetCode Medium–Hard, and review/execute JS/TS code.
JavaScript (ES6+), TypeScript, React, Node.js, Vue, Angular, Jest, Cypress, Webpack, Vite, GraphQL, RESTful APIs, LeetCode