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304 javascript engineer jobs at 116 companies in Philadelphia, PA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
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).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
2mo
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Javascript - Senior Developers - AI Training - Philadelphia, USA
Philadelphia, Pennsylvania, United States
$50/hr RemoteContract
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, ability to solve LeetCode Medium–Hard, deep knowledge of event loop, closures, prototypal inheritance, async patterns, and strong code quality.
JavaScript (ES6+), TypeScript, React, Node.js, Vue, Angular, Jest, Cypress, Webpack, Vite, GraphQL, RESTful APIs, LeetCode
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1d
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Senior Software Engineer
Radnor, Pennsylvania, United States
HybridFull Time
Certara
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.
Java, JavaScript, PostgreSQL, OAuth 2.0, Keycloak
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1mo
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Systems Engineer
Arlington or Mount Laurel or Fall River or San Diego
$74k-$184k/yr HybridFull Time
Innovative Defense Technologies
Innovative Defense Technologies: Develops software and systems solutions to rapidly deliver mission‑critical capabilities to the U.S. government.
0+ YOEAbility to obtain/maintain Secret clearance; Bachelor's in Systems Engineering or equivalent experience; 0–5 years' professional experience; experience with C/C++, Python, JavaScript/Java, Linux, Git, and DevSecOps; up to 10% travel.
C, C++, Python, JavaScript, Java, Linux, Git, Make, Maven, Ant, X-Windows, Jenkins, Jira, Atlassian, VMware vSphere, Azure, AEGIS Weapon System Common Source Library (CSL), Ship Self Defense System (SSDS) Single Source Library (SSL)
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1mo
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Full Stack Software Engineer
King of Prussia, Pennsylvania, United States
$90k-$190k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOE5+ years in OO languages with Python; 2+ years in JavaScript/TypeScript; TS/SCI with Poly; BS in CS; full SDLC; cloud, APIs; in-office.
Python, JavaScript, TypeScript, RESTful APIs, AWS, Azure, Kubernetes, React, Angular, Git, GitLab, Jira, Confluence
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1w
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Test Automation Engineer
Broomall, Pennsylvania, United States
$100k-$118k/yr RemoteFull Time
Xactus
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.
Selenium, Playwright, Postman, Datadog, TypeScript, JavaScript, C#, Python
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1w
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Lead Systems Engineer II
Newtown, Pennsylvania, United States
FieldFull Time
EPAM Systems
EPAM SystemsNYSE: EPAM: Provides global digital platform engineering and software development services.
5+ YOEBachelor's in related field + 5 years relevant experience; experience with Git, Terraform/Pulumi/CDK, Ansible; programming in Java/C++/.NET/Python/JavaScript/Golang/Swift; experience with VMs/Kubernetes/Load Balancers and AWS/Azure/GCP/OCI; ITIL/Agile practices.
ITIL, ITSM, Git, Terraform, Pulumi, CDK, Ansible, Java, C++, .NET, Python, JavaScript, Golang, Swift, VMs, Kubernetes, Loud Balancers, AWS, Azure, GCP, OCI
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1mo
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Full Stack Software Engineer
King of Prussia, Pennsylvania, United States
$108k-$228k/yr OnsiteFull Time
CACI International
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.
Python, JavaScript, TypeScript, React, Angular, Git, GitLab, Jira, Confluence, AWS, Azure, Kubernetes, RESTful APIs
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1d
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Engineer 3, Software Development & Engineering-9747
Philadelphia, Pennsylvania, United States
HybridFull Time
Comcast
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
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1mo
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Senior Software Engineer (Frontend Developer)
Colorado Springs or King of Prussia
$93k-$186k/yr HybridFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
3+ YOEFrontend engineer with Angular, JavaScript, HTML, CSS; Docker and REST API experience; UI/UX tooling (Figma, MockFlow, UXPin, Axure); 3+ years' relevant experience; US citizenship and Secret clearance required.
Angular, JavaScript, CSS, HTML, Docker, REST APIs, Figma, MockFlow, UXPin, Axure, Cypress, Selenium, Playwright, Jest, GitLab CI/CD, Helm, Kubernetes, gRPC, Python, Flask
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2w
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Director Software Development Engineer in Test
Princeton or New York City
OnsiteFull Time
S&P Global
S&P GlobalNYSE: SPGI: Provides independent credit ratings, market benchmarks, and financial analytics.
15+ YOE5+ Mgmt15+ years SDET experience with 5+ years in senior leadership; executive presence; strategic leadership across automation, performance, security, AI/ML, usability, and accessibility; hands-on with Java, Python, JavaScript/TypeScript, SQL; experience with cloud, automation frameworks, observability, and CI/CD.
Java, Python, JavaScript, TypeScript, SQL, Azure, AI/ML, CI/CD
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2mo
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Solutions Engineer (Philadelphia, Pennsylvania)
Philadelphia, Pennsylvania, United States
$160k-$200k/yr HybridFull Time
Lakera
LakeraNASDAQ: CHKP: Provides security and runtime protection for generative AI applications.
5+ YOE5+ years in Solutions Engineer/ Sales Engineer roles; enterprise relationships; Python/JavaScript proficiency; cloud (AWS/GCP/Azure); Docker/Kubernetes/ Terraform; security/compliance experience; strong communication; startup-ready.
Python, JavaScript, AWS, GCP, Azure, Docker, Kubernetes, Terraform
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2mo
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Software Engineer
Chicago or St. Louis or Philadelphia
$75k-$95k/yr HybridFull Time
ProSight Financial Association
ProSight Financial Association: Professional association for financial services research and training.
3+ YOE3+ years software engineering experience with .NET/C#, SQL, Microsoft Azure (Functions, App Services, DevOps), front-end skills (HTML, CSS, JavaScript, React.JS/Angular JS), containerization (Docker, Kubernetes), and CI/CD practices.
.NET, C#, SQL, Microsoft Azure, Azure Functions, Azure App Services, Azure DevOps, HTML, CSS, JavaScript, React.JS, Angular JS, Docker, Kubernetes, Microsoft SQL Server, MySQL, PostgreSQL, Terraform, ARM templates, PHP, CI/CD, RESTful APIs
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3w
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Software Developer
Philadelphia, Pennsylvania, United States
$92k-$154k/yr HybridFull Time
AVEVA
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.
C#/.NET, C++, JavaScript
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2w
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Senior AI Engineer
United States or Wilmington
$126k-$197k/yr RemoteFull Time
Chemours
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.
Python, JavaScript, React.js, TypeScript, HTML, Pydantic, PyTorch, Azure, Azure Kubernetes, Office 365, GitHub
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3d
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Product Development Engineer 2 (AI-Native) (Onsite role)
Ambler, Pennsylvania, United States
$90k-$115k/yr OnsiteFull Time
Phenom
Phenom: AI-powered talent experience platform for hiring and retaining talent.
3+ YOE3+ years software/product engineering experience, bachelor's in CS/Software Engineering/IT required (master's preferred). Must build production-quality code, own features end-to-end, and work with AI tooling, APIs, databases, testing, distributed systems, and observability.
Python, Java, JavaScript, TypeScript, Go, SQL, REST APIs, JSON, LLMs, Agent SDK
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2mo
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AI Integration Engineer
Boston or Carmel or Chicago or Lambertville or United States
$110k-$120k/yr HybridFull Time
Real Chemistry
Real Chemistry: Provides marketing and communication services for healthcare companies.
3+ YOEBachelor's or equivalent experience, 3+ years in cloud/integrations/software engineering, familiarity with LLMs and AI platforms, programming (Python, JavaScript, Ruby), JSON/XML/CSV, and cloud infrastructure.
Python, JavaScript, Ruby, JSON, XML, CSV, OpenAI, Azure OpenAI, AWS Bedrock, Workato, Boomi, MuleSoft, Databricks, Snowflake
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3w
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Principal Platform Engineer
Moorestown, New Jersey, United States
OnsiteFull Time
ASRC Federal
ASRC Federal: Provides engineering and IT services to federal government agencies.
8+ YOEAbility to obtain a U.S. government Secret clearance, 8+ years in platform/DevOps/ systems roles, experience with Kubernetes, Python, Helm, container runtimes, CI/CD and secure automation across air-gapped and cloud environments.
Kubernetes, Python, Helm, Docker, Podman, C++, Rust, GitOps, CI/CD, HTTPS, TLS/SSL, HTML, CSS, JavaScript, JSON
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3w
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Staff Application Engineer
Philadelphia, Pennsylvania, United States
$153k-$180k/yr HybridFull Time
FMC
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.
React Native, REST, ReactJS, Angular, Python, Django, CI/CD, JavaScript
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1mo
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Senior AEM Developer
Philadelphia, Pennsylvania, United States
$125k-$135k/yr OnsiteFull Time
TELUS Digital
TELUS Digital: Provides global digital customer experience and business transformation solutions.
7+ YOEBachelor's in CS/Engineering; 7–8+ years hands-on AEM experience; strong Java/Servlets/OSGi/Sling expertise; HTML5, CSS3, JavaScript/TypeScript; React and Next.js for headless AEM; GraphQL and CI/CD experience.
Adobe Experience Manager (AEM), AEM Headless, AEM SPA Editor, Content Services, GraphQL, React, Next.js, Java, Servlets, OSGi, Sling Models, Sling, HTML5, CSS3, JavaScript, TypeScript, Java Content Repository (JCR), Oak, Dispatcher, Adobe Marketing Cloud, Adobe Analytics, Adobe Target, Akamai, Git, Azure DevOps, GitHub Actions
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2w
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Senior Software Developer
Reston or Denver or Philadelphia
$120k-$160k/yr HybridFull Time
Iridium
IridiumNASDAQ: IRDM: Provides global voice and data satellite communication services.
8+ YOEBachelor's in CS or related, 8+ years software development experience, active Top-Secret/SCI clearance (recently active), proficiency in Python and Java, Linux/Bash, RESTful APIs, databases (PostgreSQL/MongoDB), CI/CD and containerization, strong communication and systems-level experience.
Python, Java, Bash, ELK stack (Elasticsearch, Logstash, Kibana), Elasticsearch, Logstash, Kibana, PostgreSQL, MongoDB, Kubernetes, Docker, Podman, ArgoCD, GitLab, JFrog Artifactory, Bitbucket, C++, TypeScript, Perl, XML, JSON, SQL, js, Apache Web Server, Jira, Confluence, Crucible, Git, Amazon Web Services (AWS), GovCloud, Atlassian
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