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44 web applications developer jobs at 29 companies in Philadelphia, PA

8h
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Senior Web Application Developer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Temple Health
Temple Health: Academic healthcare network providing patient care, research, and education.
5+ YOERequires 5+ years of web application development, HTML, JavaScript, SQL, IDEs, hosting environments, SDLC, support, testing, code reviews, and documentation. High school diploma required; bachelor's preferred.
HTML, JavaScript, SQL, Integrated Development Environment (IDE), Git
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1w
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Senior Web Application Engineer
Malvern, Pennsylvania, United States
HybridFull Time
Vanguard
Vanguard: Global investment management firm owned by its client funds.
5+ YOEFive years of related work experience, including at least one year developing applications, plus an undergraduate degree or equivalent training and experience. Angular, RxJS, Node.js, JavaScript, GraphQL, AWS, and testing experience required.
Angular, RxJS, Node.js, JavaScript, GraphQL, AWS, AWS Lambda, Amazon S3, D3, Java, Jest, Cypress, Playwright
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1w
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Senior Web Application Engineer
Malvern, Pennsylvania, United States
HybridFull Time
Vanguard
Vanguard: Provides mutual funds, ETFs, and investment management services.
5+ YOERequires 5+ years of related experience, including 1+ year of development experience, and an undergraduate degree or equivalent training and experience.
Angular, RxJS, Node.js, JavaScript, GraphQL, AWS, AWS Lambda, Amazon S3, D3, Java, Jest, Cypress, Playwright
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1mo
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Web Application Developer, Jewish Studies (Temporary, Part-Time)
Philadelphia, Pennsylvania, United States
$7-$55/hr OnsitePart Time
University of Pennsylvania
University of Pennsylvania: Research university offering higher education and healthcare services.
2+ YOEBachelor's degree with 2+ years related experience; full‑stack development with HTML5,CSS,AJAX,JavaScript/jQuery,Python,Django,React; unit testing and Git; strong communication and ability to work 9am-5pm ET.
HTML5, CSS, AJAX, JavaScript, jQuery, Python, Django, React, Git
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4w
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Application Developer - JavaScript
Charlotte or Louisville or Minneapolis or Olympia or Philadelphia or Redlands or San Antonio or St. Louis or Vienna
$84k-$141k/yr OnsiteFull Time
Esri
Esri: Global leader in geographic information system (GIS) software.
2+ YOE2+ years web application development with JavaScript/TypeScript, experience with modern web frameworks, CI/CD, foundational cartography knowledge, bachelor's degree, and ability to travel up to 25–50%.
JavaScript, TypeScript, ArcGIS Maps SDK for JavaScript, React, Angular, Svelte, Vue, WebGL, ArcGIS Experience Builder, CI/CD
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1w
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AWS Developer *6441937
Charlotte or Morristown or Pennington or California or Cleveland or Colorado or United States or Illinois or Maine or Maryland or Massachusetts or Minnesota or New York or New Jersey or Virginia or Washington
$62-$72/hr HybridFull Time, Contract
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
5+ YOE5+ years of experience and a bachelor's degree required. Requires advanced custom application development and software engineering expertise, with Amazon Web Services proficiency preferred.
Amazon Web Services (AWS)
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2w
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.NET Software Developer
Warminster, Pennsylvania, United States
OnsiteFull Time
ProviderSoft
ProviderSoft: Private SaaS providing management software to early-childhood and behavioral-service providers.
Bachelor's degree preferred in computer science or related field; web application programming experience with Microsoft SQL Server and ASP.NET; application design-to-deployment experience and software solution development skills.
.NET, Microsoft SQL Server, OCR, IVR, ASP.NET, VB.NET
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1w
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Application Developer
Philadelphia, Pennsylvania, United States
$115k-$145k/yr RemoteFull Time, Contract
National Board of Medical Examiners
National Board of Medical Examiners: Nonprofit medical assessment organization developing examinations and learning tools for health professionals and medical educators.
5+ YOEBachelor's degree and 5+ years of software development experience, including 2+ years with AWS cloud services. Requires Python, serverless, microservices, IaC, authentication, and web development expertise.
Python, AWS, Lambda, API Gateway, AppSync, Step Functions, DynamoDB, Infrastructure as Code (IaC), AWS CDK, CloudFormation, OAuth2, Cognito, Java, Angular
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2mo
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Software Developer | PTS Development | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
Susquehanna International Group: Global quantitative trading and technology firm.
3+ YOEBS in CS or related, 3+ years developing production applications, proficiency in Python, C#, and/or Java, TypeScript/web experience preferred, strong collaboration and communication skills.
Python, C#, Java, TypeScript
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3mo
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Sr. Software Engineer
Philadelphia or New Jersey or Delaware or New York or Maryland or Florida or South Carolina or Texas or Virginia or Georgia
HybridFull Time
FreedomPay
FreedomPay: Private payments technology providing unified commerce and payment processing platforms for global businesses.
7+ YOE7+ years in application development and testing; strong web, SPA, and backend skills; security-focused; Agile experience; strong English communication.
.NET, SQL Server, MVC, jQuery, React, Angular, Redux, TypeScript, JWT, Git, HTML, CSS, Websockets
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2mo
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Software Developer | PTS Development | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
Susquehanna International Group: Global quantitative trading and technology firm.
3+ YOEBS in CS or related, 3+ years developing and supporting production applications, strong proficiency in Python, C#, and/or Java; TypeScript and web experience preferred; strong collaboration and communication skills.
Python, C#, Java, TypeScript
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2mo
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Software Developer | PTS Development | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
Susquehanna International Group: Global quantitative trading firm providing proprietary financial market liquidity.
3+ YOEBachelors in a technical major, 3+ years developing and supporting production applications, strong proficiency in Python, C#, and/or Java; Typescript and web experience preferred; strong communication and cross-functional collaboration skills.
Python, C#, Java, Typescript
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1w
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Senior Software Engineer
Malvern or Faribault or Northborough or United States or Canada or Washington
$92k-$142k/yr HybridFull Time
CertainTeed
CertainTeed: CertainTeed is a North American building-products manufacturer serving residential and commercial construction markets.
5+ YOE2+ MgmtRequires a high school diploma, 5+ years of software, web, database, and manufacturing application development, 2+ years of technical project leadership, Python, relational databases, and MES/SCADA-ERP integration experience.
Python, C++, Java, .NET, SQL Server, Oracle, PostgreSQL, QAD, SAP, MES, ERP, SCADA
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1mo
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.Net Application Developer
Philadelphia, Pennsylvania, United States
$95k-$102k/yr OnsiteFull Time
PMHCC, Inc.
PMHCC, Inc.: Nonprofit human-services systems manager providing behavioral-health, housing, and administrative support for Philadelphia-area public programs.
3+ YOE3+ years .NET development experience; proficiency with C#, ASP.NET Core/MVC/Web API, Microsoft SQL Server, secure coding and HIPAA compliance; strong communication and problem-solving skills.
C#, ASP.NET Core, Razor Pages, MVC, Web API, HTML, CSS, JavaScript, Microsoft SQL Server, Git, Azure DevOps, Azure Boards, ASP.NET Core Identity, Azure AD (Entra ID), RESTful APIs
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1mo
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Full Stack Engineer
Broomall, Pennsylvania, United States
$100k-$120k/yr RemoteFull Time
Xactus
Xactus: Provider of intelligent verification and credit data for lenders.
3+ YOEHigh school diploma or equivalent and 3+ years of professional software development experience with C#, .NET, SQL Server, and web applications. U.S. work authorization required; visa sponsorship unavailable.
C#, .NET Framework, .NET Core, ASP.NET Web Forms, Angular, TypeScript, JavaScript, SQL Server, Azure, HTML, CSS, Azure DevOps, Terraform, Terragrunt
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2mo
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Application Developer C
Philadelphia, Pennsylvania, United States
$72k/yr OnsiteFull Time
University of Pennsylvania
University of Pennsylvania: Provides Ivy League higher education and conducts advanced scientific research.
2+ YOEBachelor's and 2+ years' experience required. Develop, deploy, and maintain pathology software, data pipelines, and AI-enabled tools; experience with Python, Next.JS, electron, web apps, databases, APIs, and version control; strong analytical and communication skills.
Python, Next.JS, electron
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1mo
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Senior Software Engineer
New York City or Bethlehem or Holmdel
$95k-$156k/yr HybridFull Time
Guardian Life
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.
JavaScript, TypeScript, Node, React, Next, NestJS, Jest, REST, GraphQL, Redis, HTML, CSS, AWS, CI/CD, OWASP
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1d
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Software Engineer
Aurora or Ypsilanti or King of Prussia
$69k-$142k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
3+ YOEActive TS/SCI clearance, bachelor's degree or equivalent, and 3+ years of professional software engineering experience. Requires Python, JavaScript/TypeScript, Git, Agile/Scrum, RESTful APIs, web applications, React, and FastAPI.
Python, React, AWS, Azure, Kubernetes, RESTful APIs, FastAPI, Git, JavaScript, TypeScript, GCP, Spring Boot, Docker, PostgreSQL, MySQL, Jenkins, GitLab CI, GitHub Actions
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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: Unified data platform for building modern applications.
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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3d
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Full Stack Engineer
New York City or United States or Raleigh-Durham or Atlanta or Philadelphia
$150k-$300k/yr HybridFull Time
Sciemo
Sciemo: AI revenue-growth platform helping consumer brands optimize pricing, promotions, assortment, and supply-chain decisions.
Senior-level experience shipping production web applications, strong JavaScript/TypeScript and backend skills, API and relational data modeling expertise, cloud deployment, CI/CD, ML integration, and communication skills.
Next.js, TypeScript, Python, FastAPI, JavaScript, CI/CD
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