361 javascript engineer jobs at 148 companies in Yardley, PA

6d
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Application Developer - JavaScript
Vienna or Charlotte or Louisville or Minneapolis or Olympia or Philadelphia or Redlands or San Antonio or St. Louis
$84k-$141k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years developing web applications with JavaScript; TypeScript and web framework experience preferred. Bachelor's degree in CS/engineering/math/GIS. Familiarity with digital cartography, EM visualization, code management, and CI/CD.
JavaScript, TypeScript, ArcGIS Maps SDK for JavaScript, ArcGIS Experience Builder, React, Angular, Svelte, Vue, WebGL, CI/CD
2w
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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
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)
1mo
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TEMPORARY Controls Engineer
Easton, Pennsylvania, United States
OnsiteFull Time
Victaulic
Victaulic: Manufacturer of mechanical pipe joining and flow control systems.
2+ YOE2+ years controls/automation experience; proficiency with PLC/HMI/SCADA, LabVIEW, Ignition, motion control, blueprint reading, and programming (Python, JavaScript, C++). Bachelor’s in Electrical or Mechanical Engineering preferred.
PLC, HMI, SCADA, EtherNet/IP, Modbus TCP, OPC-UA, LabVIEW, Ignition SCADA, Jython, SQL, Python, JavaScript, C++, Liquid Planner (LP), NFPA 70E, NEC, UL 508A
4w
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Full Stack Developer - React | JavaScript | TypeScript | Node.js | REST APIs - Dallas, NJ , Atlanta
Middletown or Dallas or Atlanta
HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides IT consulting and digital business process services.
3+ YOE3+ years full‑stack experience with JavaScript/TypeScript and modern UI frameworks; backend experience with Node.js/Python/Java/.NET; REST API and database integration; Git/CICD and strong problem solving.
React, JavaScript, TypeScript, Node.js, REST APIs, HTML, CSS, Python, Java, .NET, Git, CICD, Power BI, Azure, Docker
2mo
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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
2w
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Engineer
Malvern, Pennsylvania, United States
$120k-$130k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
10+ YOEStrong React, HTML, CSS, JavaScript/TypeScript (ES5/ES6), GitHub, CI/CD, and Playwright experience; 10+ years of frontend engineering experience.
React, HTML, CSS, JavaScript, TypeScript, ES5, ES6, GitHub, CI/CD, Playwright
4w
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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
1mo
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IS Developer
Exton or Lexington or Peachtree City or Bridgman or Holland or Detroit or Houston
HybridFull Time
Convergix Automation Solutions
Convergix Automation Solutions: Designs and integrates custom industrial automation and control systems.
Experience in manufacturing software, MES/IIoT, industrial controls and PLC platforms; systems analysis, architecture, and solution design; development using Python/Java/JavaScript/.NET; familiarity with databases and network architecture.
GitHub Copilot, Claude, Python, Java, JavaScript, Microsoft .NET, Microsoft SQL Server, PostgreSQL, MySQL, Oracle, InfluxDB, MQTT, Azure DevOps, AWS, Node-Red, Docker, Ignition Platform (Inductive Automation), Sepasoft, Cirrus Link Solutions
2w
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Senior DevOps Engineer (NOAA badge required)
Alexandria or Philadelphia or Arizona or California or Colorado or District of Columbia or Florida or Illinois or Indiana or Kansas or Maryland or Michigan or Minnesota or Montana or New Hampshire or New Jersey or Ohio or Oklahoma or Oregon or Pennsylvania or South Dakota or Texas or Utah or Virginia or Vermont
$145k-$175k/yr RemoteFull Time
Element 84: Builds cloud-native geospatial software and data processing pipelines.
6+ YOE6+ years software development (3+ years cloud), deep IaC experience, cloud architecture and automation expertise, strong Linux and scripting (Python/Bash/JavaScript), NOAA CAC badge, ability to work remotely and communicate complex architecture.
AWS, Azure, Python, Bash, JavaScript, CloudWatch, AWS Config, Kibana, Splunk, Grafana, OpenTelemetry, Honeycomb, ElasticSearch, SQL, NoSQL, DynamoDB, Redshift, Athena, Glue, CloudFront, Route53, API Gateway, VPCs, NACLs, docker, EKS, minikube, podman, Databricks, Snowflake, Kubernetes
1d
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Automation Engineer II
Bridgewater, New Jersey, United States
$111k-$150k/yr OnsiteFull Time
Repligen
RepligenNASDAQ: RGEN: Develops and manufactures bioprocessing technologies for pharmaceutical drug production.
3+ YOEBachelor's in engineering or equivalent, 3+ years automation/controls experience in regulated manufacturing, PLC/HMI/SCADA proficiency, strong troubleshooting and documentation skills, ability to travel ~25%.
Allen-Bradley RSLogix 500/5000, Siemens, DeltaV, AutomationDirect, Wonderware System Platform, iFIX, Ignition, Siemens WinCC, TIA Portal, AutomationDirect C-more, C#, JavaScript, Ladder Logic, Function Block, Boolean logic, SQL, Python, Java, Visual Basic, Microsoft Outlook, Microsoft Word, Microsoft Excel
2mo
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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
2w
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Senior Vice President, Forward Deployed Engineer
Pittsburgh or New York
$104k-$185k/yr OnsiteFull Time
BNY
BNYNYSE: BK: Global institution managing and servicing financial assets worldwide.
10+ YOEBachelor's or equivalent,10+ years software development with AI and backend services, experience with RAG/semantic search, Snowflake/Databricks, Java/TypeScript/JavaScript/Python, secure production delivery, mentoring experience.
Java, TypeScript, JavaScript, Python, Snowflake, Databricks
1d
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Software Engineer
Austin or Somerset
$125k-$150k/yr HybridFull Time
SHI International
SHI International: Global provider of IT solutions, hardware, and software services.
7+ YOEBachelor's in CS or related (or equivalent experience),7+ years professional software engineering,5+ years with Python,SQL,JavaScript,AWS or Microsoft Azure experience,CI/CD,TDD,cloud and debugging expertise.
Python, SQL, JavaScript, Microsoft Azure, Amazon Web Services, ORM, Test-Driven Development (TDD), CI/CD
2mo
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Trading, Investment & Optimization - QuantAI Engineer (Hybrid)
Seattle or Chicago or Los Angeles or Atlanta or Houston or Arlington or San Francisco or Morristown or Boston or Dallas or San Diego or New York
HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
3+ YOEBachelor's in CS/engineering or related field; 3+ years in client-facing tech delivery; strong backend/API/full-stack or ML workflows; experience with enterprise hardening and deployment.
Electron, FastAPI, Docker, cloud services, evaluation tooling, agent orchestration frameworks, MCP-style integrations, Python, TypeScript, JavaScript
1w
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AI / DevOps Engineer – Agentic Systems & Automation
New York City or Philadelphia
$139k-$243k/yr HybridFull Time
Nasdaq
NasdaqNASDAQ: NDAQ: Operates global electronic marketplaces and provides financial technology services.
Bachelor's in CS/Engineering or equivalent, expert Python, CI/CD and Git experience, familiarity with LLMs and AI agents, YAML/JSON proficiency, strong systems-thinking and communication skills.
Python, Git, YAML, JSON, REST APIs, CI/CD, Terraform, Ansible, JavaScript, ITSM
2mo
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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
1mo
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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
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
1mo
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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