21 frontend developer jobs at 19 companies in Elsmere, DE
Frontend Software Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
Strong frontend experience with JavaScript, VueJS, Vite, HTML, CSS; experience with REST/OpenAPI, OAuth/SAML, frontend testing, CI/CD, and building data-heavy user interfaces.
JavaScript, VueJS, Vite, HTML, CSS, REST, OpenAPI, OAuth, SAML
Frontend Engineer
San Francisco or Santa Cruz or Denver or Philadelphia or Seattle
$160k-$250k/yr HybridFull Time
5+ YOE5+ years software engineering experience including 2+ years at senior level; strong JavaScript and TypeScript; experience with data or BI tools; proficiency with AI coding tools; experience building APIs or SDKs.
JavaScript, TypeScript, HTML, CSS, Java, Python, SQL, Looker, Tableau, Mode, Amplitude, Google Analytics, Claude Code, Cursor
Front-End Developer
Paoli, Pennsylvania, United States
HybridFull Time
Experience with JavaScript component-based libraries (e.g., React), Agile environment experience, familiarity with modern web development, and willingness to use AI tooling.
React, C#, .NET, SQL, ElasticSearch, TypeScript, CSS
UI/UX Front End Developer
Miami or Delaware or Atlanta or Philadelphia or Austin or Houston or Dallas or Miramar or Salt Lake City or Phoenix or Charlotte
HybridFull Time
5+ YOE5+ years frontend development with UI/UX responsibility; expertise in React and TypeScript; portfolio of web/app design; experience with design systems, accessibility (WCAG), testing, CI/CD, and cloud deployments.
Figma, Sketch, Adobe XD, React, TypeScript, JavaScript, HTML5, CSS3, Vue, Angular, Svelte, Next.js, Vite, Webpack, Jest, Vitest, Playwright, Cypress, OpenAPI/Swagger, REST APIs, Git, Azure DevOps, Microsoft 365, Teams, Azure, AWS, GCP, Docker
Front-end Software Developer
Aberdeen Proving Ground, Maryland, United States
$90k-$190k/yr OnsiteFull Time
Active TS/SCI clearance; front-end development with JavaScript or TypeScript frameworks; HTML, CSS, REST APIs, WebSockets, dashboards, Git, automated testing, code review, and CI/CD experience.
JavaScript, TypeScript, React, Angular, Vue, HTML, CSS, REST APIs, WebSockets, Git, CI/CD
Front-End Software Developer – Modeling & Simulation / HITL
Aberdeen, Maryland, United States +1 more
OnsiteFull Time
Active TS/SCI clearance; experience with modern JavaScript/TypeScript frameworks (React, Angular, Vue); HTML, CSS, REST APIs, WebSockets; Git, CI/CD; ability to work with engineers.
React, Angular, Vue, HTML, CSS, JavaScript, TypeScript, REST APIs, WebSockets, Git, CI/CD, Python, C++, MATLAB/Simulink, ROS/ROS 2, Unreal Engine, Unity, Gazebo
Entry Level- Front End Software Engineer (Onsite, Aberdeen MD)
Aberdeen Proving Ground or Middletown
$75k-$85k/yr OnsiteFull Time
Bachelor's degree in Computer Engineering, Electrical Engineering, Computer Science, Software Engineering or related field; programming experience in C or C++; basic Linux familiarity; ability to satisfy security and export-control requirements; US work eligibility.
C, C++, Python, Bash, Git, Linux, Ubuntu
Front-End AI Engineer: Agentic AI Studio & Agentic AI as a Service Specialist
Mountain View or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Orlando or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
HybridFull Time
3+ YOE3+ years front-end/full-stack engineering, 3+ years computer science fundamentals, 2+ years modern web development with JavaScript/TypeScript/React/Next.js/Angular/Vue, 2+ years cloud deployment, Bachelor's degree or equivalent experience.
JavaScript, TypeScript, React, Next.js, Angular, Vue, HTML5, CSS3, Material UI, Ant Design, Tailwind CSS, Figma, D3.js, Recharts, Plotly.js, Apache ECharts, Chart.js, Highcharts, React Flow, Cytoscape.js, Python, Java, C++, Clojure
Software Engineer II
Exton or Philadelphia
HybridFull Time
5+ YOEGraduate or post-graduate degree in computer science or software engineering; 5+ years frontend development with TypeScript and React; experience with unit and end-to-end testing, Scrum, component-based UIs, REST APIs, and 3D/graphics in the browser.
TypeScript, React, Cesium, iTwin.js, Vitest, React Testing Library, Playwright, Jest, WebGL, three.js, Azure DevOps, GitHub, GitHub Copilot, Git, Module Federation, pnpm
Full Stack Engineer II
Conshohocken or North Carolina or Wilmington or Annapolis or Trenton
$62k-$98k/yr HybridFull Time
2+ YOEBachelor's degree in computer science or related field or equivalent experience; 2+ years full stack development; Databricks, Azure DevOps, Azure cloud services, SQL, frontend (React/Angular/Vue) and backend (Node.js/Python/Java/.NET) experience; Git and Agile.
Databricks, Azure DevOps, Azure Data Factory, Azure Synapse, Azure Functions, Azure App Services, SQL, React, Angular, Vue, Node.js, Python, Java, .NET, Git, PySpark, pandas, Power BI
Lead Software Engineer
Cedar Rapids or Denver or Philadelphia
$111k-$140k/yr HybridFull Time
5+ YOEBachelor's or equivalent, 5+ years Core Java, 4 years cloud (AWS) experience, expertise with Java frameworks, databases, microservices, CI/CD, frontend frameworks, and leadership/mentoring experience.
JAVA, OOD, OOP, Functional Programming, Spring Framework, J2EE Development, Service Oriented Architecture, Dependency Injection, MS Cosmos DB, Apache Cassandra, Amazon DynamoDB, AWS, EC2, ECS, S3, Kinesis, VMs, Blob, Data Factory, SQL Data warehouse, ARM Templates, Event Hubs, Visual Studio, Git/Bitbucket, Maven, Jenkins, Nexus, SQL Management Studio, Nunit, Ajax, AI SDLC, AWS AI services, API Gateways, Apache Camel, Swagger API, Zookeeper, Kafka, Spring Boot, Spring MVC, Entity Framework, Swagger, Odata, AutoMapper, Jenkins, Docker, OpenShift, Kubernetes, Angular, React, Vue.js, HTTP, HTML, JS, CSS
Lead Engineer – Supply Chain Systems (Manhattan WMS)
Edgewater Park or Savannah
$115k-$150k/yr HybridFull Time
10+ YOEBachelor's in Computer Science or related, 10+ years application development with WMS/TMS (Manhattan) experience, leadership and architecture skills, Oracle SQL/PL, Unix/shell, frontend/backend framework experience.
Manhattan WMS/TMS, Oracle SQL/PL, Unix, shell scripting, Angular, Springboot, Django, ERP, EDI, WCS
Full Stack AI Software Engineer
United States or Marlton +1 more
RemoteFull Time
5+ YOE5+ years software engineering experience, 2-3 years AI-assisted development, proficiency in backend and frontend languages, cloud platforms, and AI tools; bachelor's or master's degree in relevant field or equivalent experience.
Python, Java, C#, Go, TypeScript, JavaScript, React, Angular, Vue, SQL, Node.js, Git, AWS, Microsoft Azure, Google Cloud Platform, Kubernetes, Cursor, Claude Code, GitHub Copilot, OpenAI Codex, LangGraph, Semantic Kernel, OpenAI Agents SDK
Senior Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
5+ YOERequires 5+ years of software engineering experience, TypeScript and Node.js/Deno, REST APIs, Vue or comparable frontend frameworks, distributed systems, PostgreSQL, automated testing, cloud platforms, Docker, Kubernetes, and CI/CD.
TypeScript, Node.js, Deno, PostgreSQL, Vue, Vue.js, React, Angular, Vitest, Playwright, AWS, Azure, Docker, Kubernetes, Git, RabbitMQ, Kafka, AWS SQS, Terraform, CloudFormation
React Node Senior Software Engineer I
Philadelphia or Maryland or Virginia or New Jersey or Delaware
$87k-$144k/yr OnsiteFull Time
Current frontend and backend skills in React and Node; experience with moderate to large web monoliths; full project lifecycle experience; Agile delivery process; collaboration with technical and non-technical professionals.
React, Node.js
Software Engineer, New Grad - Super Day!
Philadelphia, Pennsylvania, United States
OnsiteFull Time
1+ YOEBachelor's degree or higher in Computer Science, Mathematics, or related field (or equivalent experience); 1-2 software engineering internships; experience with backend frameworks like Django or Flask, frontend technologies like React, Angular, or Vue.js, and Python or another dynamically typed language.
JavaScript, React, React Native, Redux, Python, Django, Kubernetes, AWS, Docker, Terraform, Flask, Angular, Vue.js
Senior, Full Stack Engineer
Philadelphia or Durham
HybridFull Time
8+ YOEBachelor's degree in Computer Science, Data Science, Statistics, Applied Mathematics or related quantitative field or equivalent practical experience; 8+ years combined ML/data science and full-stack engineering experience; expertise in AI product stack, API design, AI orchestration, frontend architecture, LLMOps, and agentic systems.
React, Next.js, Python, TypeScript, AWS, Azure, GCP, Google Cloud Platform (GCP) for Machine Learning, Microsoft Azure Data and AI, AI Frameworks, ML Frameworks
Application Engineering Technical Lead, Debit Card
Malvern, Pennsylvania, United States
HybridFull Time
8+ YOERequires 8+ years of related experience, including 3+ years as a technology architect, and an undergraduate degree or equivalent. Expertise in frontend architecture, React, Angular, TypeScript, JavaScript, Node.js, cloud, and DevOps.
Angular, React, TypeScript, JavaScript, Node.js, NestJS, GraphQL, AWS, Amazon ECS, Amazon EKS, AWS Lambda, AWS Fargate, GitHub Actions, AppDynamics, OpenTelemetry, Splunk, Adobe Analytics
Engineering Team Lead
District of Columbia or Delaware or Georgia or Massachusetts or Maryland or North Carolina or New Hampshire or New Jersey or Ohio or Pennsylvania or South Carolina or Utah or Virginia or Chalfont
RemoteFull Time
7+ YOE1+ Mgmt7+ years hands-on software engineering (backend Python or frontend React/TypeScript), 1+ year technical/team lead experience, experience with AI/agentic development, ownership of delivery, strong communication and mentorship skills.
Python, React, TypeScript, UNIX, AWS
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