236 software engineer javascript jobs at 84 companies in Phoenixville, PA
🚀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).
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.
Empower: Provides retirement plan administration and personal wealth management services.
3+ YOEBachelor's degree or equivalent,3+ years software development experience,proficiency in Java, Python, Swift or JavaScript,strong problem-solving and communication skills,US work authorization required.
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
US citizen with ability to obtain/maintain TS/SCI; bachelor’s in CS/Software/engineering or equivalent; experience with C#, JavaScript, Java or Python; Agile experience with Jira/Confluence; .NET Core/Angular and cloud/CI/CD familiarity preferred.
EPAM SystemsNYSE: EPAM: Provides global digital platform engineering and software development services.
3+ YOE3+ years relevant software engineering experience; proficiency with at least one cloud or web tech (GCP, Azure, AWS, .NET) and one programming language (Java, C++, C#, Python, JavaScript, Golang, Swift); experience with Git or Docker; Agile experience.
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.
Mount Laurel or Arlington or Fall River or San Diego
$114k-$231k/yrOnsiteFull Time
Innovative Defense Technologies: Develops automated software and systems to accelerate delivery of mission-critical capabilities for the U.S. Department of Defense.
4+ YOEBachelor's degree in a technical discipline (or equivalent experience), 4+ years professional software development, experience with C++, Java, Python or JavaScript, Git, Linux, SQL/PostgreSQL, container technologies (Docker, Podman), and ability to obtain/maintain a Secret clearance. Up to 10% travel.
Ascensus: Administers tax-advantaged retirement and education savings plans.
3+ YOE3+ years software engineering experience, bachelor\u0002s degree or equivalent, strong Python/JS/TypeScript/SQL skills, experience building production services, familiarity with LLM/RAG/agent workflows, strong engineering fundamentals.
Python, JavaScript, TypeScript, SQL, Cursor, Claude Code, Temporal, Azure, Azure AI Foundry, Azure DevOps, Salesforce, Langfuse, New Relic, OpenTelemetry, GitHub Copilot
Susquehanna International Group: Global quantitative trading and market making firm.
3+ YOE3+ years software development; BS or MS in Computer Science, Computer Engineering or similar; proficient in Python and JavaScript/TypeScript; experience with C++ and React; visa sponsorship available.
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
7+ YOEBachelor's degree and 7+ years software engineering experience, 7+ years cloud (AWS), 5+ years across multiple domains or professional services; strong architecture, mentoring, and stakeholder communication skills.
Guardian Life: Provides life, disability, dental, and vision insurance products.
4+ YOE4+ years building public-facing web applications; advanced JavaScript/TypeScript and modern frameworks; API and microservices experience; strong problem-solving and security awareness.
CSC: Provides global business administration and compliance solutions.
Expertise with C# and .NET Core, Blazor, Entity Framework Core, SQL Server, Azure Functions, Playwright, JavaScript/TypeScript, and experience building AI-enabled applications and AI-augmented SDLC practices.
5+ YOEBachelor's in CS/CE or equivalent experience, 5+ years programming experience, full‑stack skills (React/Angular/JavaScript, Spring), relational DB design, Agile, CI/CD, troubleshooting, and strong communication.
TransamericaNYSE: AEG: Provides insurance, retirement solutions, and investment products to customers.
3+ YOEBachelor’s degree in Computer Science or related field; 3 years in distributed applications, databases, and microservices; 3 years in software quality engineering with automated/manual testing.
Bridgeway Software: Provides legal management and corporate governance software solutions.
3+ YOE3-5 years software development; proficiency in multiple languages; SQL; multi-tier applications; experience with databases; plus knowledge of reporting tools.
VB, VBScript, C++, C#, ASP.Net, Java, JavaScript, Delphi, SQL, Crystal Reports, Business Objects, COM, XML
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEActive TS/SCI clearance, polygraphable, Bachelor’s in Computer Science or related, 5+ years software engineering with strong Python, experience with microservices, RESTful APIs, Git and CI/CD, LLMs/agent frameworks, and Agile practices.
American Heritage Credit Union: Member-owned financial cooperative providing banking, lending, and investment services.
3+ YOEBachelor's in information systems, 3+ years related experience, advanced knowledge of ASP.NET,C#,SQL Server,HTML,XML,JavaScript,Java,Symitar,PowerOn, strong communication and multitasking skills.