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43 javascript typescript jobs at 22 companies in Lancaster, PA

3mo
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Software Engineer II-Team Lead (AWS, Typescript)
Hartford or St. Paul or Hunt Valley
$120k-$199k/yr HybridFull Time
Travelers
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
6+ YOE1+ MgmtLead a team of software engineers; expertise in AWS and Typescript; 6+ years of programming; bachelor’s in CS; strong leadership and communication.
AWS, Typescript, JavaScript
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1w
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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
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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
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6d
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Application Engineer
Malvern, Pennsylvania, United States
HybridFull Time
Vanguard
Vanguard: Provides mutual funds, ETFs, and investment management services.
2+ YOE2+ years development experience; proficiency with Node.js, Angular, NestJS, TypeScript, JavaScript, AWS CLI; experience with REST/GraphQL, testing frameworks, observability, and Agile practices; undergraduate degree or equivalent.
Node.js, Angular, NestJS, TypeScript, JavaScript, AWS CLI, ECS, EKS, Lambda, REST, GraphQL, Cypress, Jest, Stryker Mutator, Honeycomb, HTML5, CSS3
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2w
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Software Engineer II - AI Solutions
King of Prussia, Pennsylvania, United States
OnsiteFull Time
Universal Health Services
Universal Health ServicesNYSE: UHS: Operates acute care hospitals and behavioral health facilities.
3+ YOEBachelor's in CS or related, 3+ years AI/ML or backend experience, proficiency in Python/Java/JavaScript/Typescript, ML frameworks, cloud platforms, healthcare standards, and CI/CD/DevOps.
Python, Java, JavaScript, Typescript, Pytorch, Tensorflow, Langchain, Keras, HL7, FHIR, DICOM, HIPAA, GDPR, SQL, NoSQL, AWS, Azure, Google Cloud, Oracle Cloud, Palantir, Databricks, Graphana, Datadog, Langfuse, Docker, Kubernetes, Large Language Models, CI/CD, DevOps
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2mo
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Full Stack Software Engineer Sr
King of Prussia, Pennsylvania, United States
OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Proficiency in TypeScript, JavaScript, or C#; system design; Agile/Scrum experience (Jira/Version One/Confluence); GitLab CI/pipelines; ability to obtain and maintain Top Secret clearance; U.S. citizenship required.
TypeScript, JavaScript, C#, GitLab pipeline, Jira, Version One, Confluence, SQL, Angular, CSS, Astro UX, Material, REST
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14h
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Senior Software Engineer
Wilmington, Delaware, United States
HybridFull Time
CSC
CSC: Provides global business administration and compliance solutions.
Strong C#/.NET Core development skills, front-end framework and JavaScript/TypeScript proficiency, experience with Entity Framework Core, SQL Server, Azure Functions, AI-assisted tools, and test automation.
C#, .NET Core, Blazor Server, Blazor WebAssembly, GitHub Copilot, Cursor, Claude Code, Entity Framework Core, SQL Server, Azure Functions, Bootstrap, Playwright, MediatR, Fluxor, Polly, Docker, Kubernetes, Artillery, JMeter, K6, Locust, Azure AI Foundry, Azure OpenAI Service, Git, React, Angular, Vue, JavaScript, TypeScript
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4w
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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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Quality Assurance Engineering - Sr Professional II
King of Prussia or Alpharetta or Jacksonville
OnsiteFull Time
Fiserv
FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.
3+ YOE3+ years SDET/test automation experience; build end-to-end, API, regression, and performance tests; proficiency with JavaScript/TypeScript, API testing, CI/CD, Docker/Kubernetes; strong communication and critical thinking.
Docker, Kubernetes, GitLab, Cypress, Playwright, JMeter, Gatling, Postman, JavaScript, TypeScript, Selenium, React, Go, Jira, Confluence
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1mo
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CRM Developer
Cockeysville or Hunt Valley
$115k-$125k/yr HybridFull Time
Sinclair
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
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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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SQL Developer & Analyst
New Holland, Pennsylvania, United States
$70k-$80k/yr OnsiteFull Time
VAL-CO
VAL-CO: Manufactures equipment for commercial poultry, egg, and swine production.
2+ YOE2+ years SQL development experience; proficiency with Microsoft SQL Server/T-SQL, .Net (C#, VB), JavaScript, html, TypeScript, and Crystal Reports; bachelor's in Information Systems/Computer Science or equivalent; ERP experience; travel to Ohio required.
.Net (C#, VB), JavaScript, html, typescript, Crystal Reports, SQL, Microsoft SQL Server, T-SQL, Windows Server, Macola ES, ERP
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1mo
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Senior Lead Software Engineer, Full Stack (Bank Tech)
McLean or Wilmington or Philadelphia
$209k-$262k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
6+ YOEBachelor's degree, 6+ years software engineering experience, 1+ year cloud experience (AWS/Azure/GCP); strong full-stack skills (JavaScript/Java/TypeScript/Python/Go), leadership of small teams, and fast onboarding to new codebases.
JavaScript, Java, TypeScript, Python, Go, AWS, Microsoft Azure, Google Cloud, Fargate, Lambda
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14h
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Principal Software Engineer
Lititz or United States
OnsiteFull Time
Listrak
Listrak: SaaS platform for unified retail marketing and cross-channel automation
12+ YOE12+ years software engineering experience; expert in scalable distributed systems, full-stack development, front-end frameworks, cloud-native apps, and technical leadership.
Vue.js, TypeScript, JavaScript, HTML, CSS, C#, .NET, Java, AWS, Kafka, Spark, Hadoop, Presto, GitHub Copilot, Claude Code, Codex
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2d
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Intern Technical Support and Software Develop
Harrisburg, Pennsylvania, United States
$13-$18/hr HybridInternship
Harrisburg University of Science and Technology
Harrisburg University of Science and Technology: Private university providing STEM-focused undergraduate and graduate degree programs.
Bachelor's or equivalent experience in CS/engineering or related field; programming ability (Python preferred), software troubleshooting, project coordination, documentation, and interest in digital twins/robotics.
NVIDIA Omniverse, Isaac Sim, 3D Gaussian Splatting, Python, C++, Git, GitHub, OpenUSD, Unity, ROS2, JavaScript, TypeScript, Fusion 360, SolidWorks, Revit, AutoCAD, GitHub Projects, Microsoft Planner, Microsoft Project
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2mo
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Computer Scientist (Job #718)
Aberdeen, Maryland, United States
OnsiteFull Time
Defense Acquisition Support Services
Defense Acquisition Support Services: Provides systems engineering and technical assistance to defense agencies.
8+ YOEActive DoD security clearance, Bachelors in CS/CE/Data Science, 8+ years experience, prior military or DoD program experience, DevSecOps familiarity, strong software development and integration skills.
React, React Native, HTML, JavaScript, TypeScript, eCharts, D3, PowerBI, Python, FastAPI, SQL, SQLite, Vantage, Foundry
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2mo
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Application/Agentic AI Engineer
Aberdeen, Maryland, United States
HybridFull Time
NextGen Federal Systems
NextGen Federal Systems: Provides advanced software engineering and mission support to federal agencies.
3+ YOE3+ years in software engineering or AI integration; BS in CS/Software/ Data/IS; proficient in Python/JS/TS/Java; API/microservice experience; LLMs and AI orchestration familiarity; cloud-native with Docker/Kubernetes; SDLC/DevSecOps/CI/CD; Git; strong problem-solving; active security clearance.
Python, JavaScript, TypeScript, Java, APIs, Microservices, Data services, Docker, Kubernetes, Git, CI/CD, SDLC, DevSecOps
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2mo
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Lead Software Engineer - Java Full Stack & AWS
Wilmington or Columbus
OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years in enterprise full-stack web apps; Java/Spring; React/JS/TS; REST; Kafka/Redis; SQL; Terraform; CI/CD; testing; leadership
Java, Spring, REST, React, JavaScript, TypeScript, Kafka, Redis, SQL, Terraform, JUnit, Cucumber, Selenium, Playwright, AWS
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1d
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Oracle Cloud Fusion Architect
Grand Rapids or Los Angeles or Washington or Troy or New York or Houston or Chicago or Baltimore or Columbia or Richmond or Memphis or Raleigh or Boston or San Jose or San Francisco or Austin or Kalamazoo or Spokane or Denver or Fort Worth or Atlanta or Orlando or Dallas or Wilmington or Phoenix or San Antonio or Milwaukee or Madison or McLean or Huntsville or Woodbridge or Stamford or Miami or Philadelphia or Charlotte or Greenville or West Palm Beach or Costa Mesa or St. Louis or Fort Lauderdale or Seattle or Rosemont or Pittsburgh or Tulsa or Cincinnati or Cleveland or Akron or Tampa or Minneapolis or Anchorage or Salt Lake City or Norfolk or Jacksonville or Boulder or Nashville or Oak Brook or Las Vegas or Indianapolis or San Diego or Baton Rouge or Ridgeland or Jackson or Tallahassee or Omaha or Grand Rapids
$135k-$165k/yr OnsiteFull Time
BDO USA
BDO USA: Provides accounting, tax, and business advisory services to organizations.
8+ YOE8+ years software development; 5+ years Oracle Fusion Cloud architecture and custom development; experience with OIC, VBCS, BIP, ESS, PL/SQL, Fusion REST APIs; bachelor’s degree required; strong documentation and mentoring skills.
Oracle Integration Cloud (OIC), Visual Builder Cloud Service (VBCS), Oracle JET, Oracle Business Intelligence Publisher (BIP), Oracle Fusion Cloud ERP and HCM, Oracle Fusion REST APIs, PL/SQL, JavaScript, TypeScript, Microsoft Office Suite, Azure DevOps, GitHub Actions, Postman, Jest, Docker, Kubernetes, Oracle ATP, ORDS, autonomous database
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1mo
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Software Engineer II
Hunt Valley, Maryland, United States
$88k-$133k/yr OnsiteFull Time
Textron
TextronNYSE: TXT: Manufactures aircraft, defense systems, and industrial specialized vehicles.
2+ YOEBachelor's in CS/CE (or Master's) with 2+ years experience; C/C++ and Unix experience, shell scripting, Git/Mercurial, object-oriented design, configuration management, and eligibility for Secret clearance.
C/C++, Unix, shell scripting, Git, Mercurial, MicroPilot’s autopilot software, MOOS DB/IvP, Qt, OpenDDS, Docker, CSS, JavaScript, TypeScript, REST API, SQL, NoSQL, Jenkins, Jira, Coverity, MCP Servers, MCP Tools, CAN
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