272 javascript engineer jobs at 124 companies in Middletown, DE
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
Javascript - Senior Developers - AI Training - Philadelphia, USA
Philadelphia, Pennsylvania, United States
$50/hrRemoteContract
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, ability to solve LeetCode Medium–Hard, deep knowledge of event loop, closures, prototypal inheritance, async patterns, and strong code quality.
CertaraNasdaq: CERT: Provider of biosimulation software for drug development.
4+ YOE4+ years software engineering experience, strong OAuth 2.0 knowledge, collaborative teamwork, experience with Java/JavaScript/PostgreSQL and unit testing.
Xactus: Provides verification and credit reporting for mortgage lenders.
3+ YOE3+ years QA experience with 2+ years test automation; hands-on automation in TypeScript/JavaScript, C#, or Python; experience with Selenium, Playwright, Postman, CI/CD, and observability tools; Bachelor's degree or equivalent experience preferred.
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
8+ YOEActive TS/SCI with polygraph, Bachelor's in computer science or related field, 8+ years OO experience (strong Python focus), 2+ years JavaScript/TypeScript, SDLC, microservices and REST API experience, Agile/Scrum experience.
Engineer 3, Software Development & Engineering-9747
Philadelphia, Pennsylvania, United States
HybridFull Time
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
2+ YOEBachelor's degree in CS/Engineering,2 years Workday integration experience using Workday SDK and EIB,MVEL,XSLT,SFTP/PGP; experience with Java,Spring Boot,Python,Flask,MuleSoft,React; strong communication and documentation skills.
Workday Software Development Kit, Workday Enterprise Integration Builder (EIB), MVEL, XSLT, Secure File Transfer Protocol (SFTP), Pretty Good Privacy (PGP), Workday Studio, Workday Extend, JavaScript, MuleSoft, Java, Spring Boot, Python, Flask, React
Ruby on Rails Engineer (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
$96k-$142k/yrRemoteFull Time
Fearless: Digital services firm delivering IT solutions for government agencies.
2+ YOE2+ years Ruby on Rails full-stack experience, REST API design, JavaScript/React frontend, AWS (RDS, CloudWatch), CI/CD and Terraform, ability to obtain Public Trust clearance.
OneMain FinancialNYSE: OMF: Provides personal loans and credit cards to nonprime consumers.
5+ YOEBachelor's in CS/IT, 5+ years in software/systems/reliability engineering with production observability experience; strong OpenTelemetry, monitoring, SLOs, cloud (AWS/Azure), Kubernetes, scripting, and dashboarding skills.
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
3+ YOE3+ years software engineering experience with Python, Java, JavaScript/TypeScript, Docker, Kubernetes; experience with microservices, SDLC, and REST; Secret clearance and US citizenship required.
AVEVA: Industrial software for engineering and operational performance management.
3+ YOE3+ years software/product development; degree in engineering, computer science, math, or physics; experience with C#/.NET, C++, JavaScript; strong debugging, communication, and design skills.
ChemoursNYSE: CC: Manufactures specialty chemicals, refrigerants, and high-performance industrial fluoropolymers.
8+ YOEDegree in Computer Science/Engineering, 8+ years backend development with Python and JavaScript, 2+ years production GenAI systems experience, React/TypeScript UI skills, Pydantic proficiency, strong stakeholder communication.
SinclairNASDAQ: SBGI: Operates television stations and produces news and sports programming
5+ YOEBachelor's in CS/IS, 5+ years software engineering/CRM development (3+ years Dynamics 365), strong .NET/C#, SQL, JavaScript/TypeScript, Power Platform, Azure, REST/SOAP integrations, and collaboration skills.
Microsoft Dynamics 365 CRM, Microsoft Dataverse, Microsoft Power Platform, Microsoft Power Apps, Microsoft Power Automate, Microsoft Power BI, .NET, C#, SQL Server, T-SQL, JavaScript, TypeScript, HTML, CSS, REST APIs, SOAP, Azure Functions, Logic Apps, Service Bus, Azure DevOps, Git, Microsoft Graph, Microsoft Entra ID (Azure AD), Angular, React, CI/CD, Codex, ChatGPT, CoPilot, Foundry
The Baltimore Banner: Independent nonprofit digital newsroom serving the Baltimore region.
5+ YOE5+ years professional software engineering; 3+ years building production React Native mobile apps; strong JavaScript and TypeScript skills; iOS and Android experience; REST API integration; state management and CI/CD familiarity; strong communication.
FMCNYSE: FMC: Manufacturer of chemical and biological crop protection products.
7+ YOEBachelor's in engineering/CS or related and 7 years software development experience, including 2 years each in web development, CI/CD, mobile app development, Python, JavaScript/React, system architecture, and leading projects; telecommute 2 days/week.
Washington or Baltimore or Frederick or Annapolis Junction
$145k-$165k/yrHybridFull Time
Brandes Associates: Provides engineering, software, and program support to defense agencies.
5+ YOE5+ years in customer-facing technical roles; strong troubleshooting of Java applications, Linux/Bash, SQL, web servers (Jetty/Apache/IIS), PKI/certificates, release/support processes; DoD 8140/DCWF qualification (CompTIA Security+ covers); active DoD Secret required; US citizenship.