77 react engineer jobs at 29 companies in Lititz, PA
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Lead Software Engineer - Python/React/AWS/AI
Wilmington, Delaware, United States
OnsiteFull Time
5+ YOE5+ years software engineering experience with system design, application development, SDLC, CI/CD, cloud-native systems, and applied AI-assisted development; strong Python, Java, React, and AWS skills.
Python, Java, React, AWS, AI
2w
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Engineer
Malvern, Pennsylvania, United States
$120k-$130k/yr OnsiteFull Time
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
2mo
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Agentic AI Software Engineer
King of Prussia or Aurora
$82k-$172k/yr OnsiteFull Time
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.
Python, Git, GitLab, GitHub, Bitbucket, CI/CD, Jira, Confluence, microservices, RESTful APIs, LLMs, LangGraph, CrewAI, AutoGen, Pydantic AI, MCP, A2A, RAG, vector databases, Langfuse, MLflow, DSPy, AWS, Azure, Kubernetes, Helm, React, Angular, JavaScript, TypeScript
1mo
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Software Engineer
Aberdeen Proving Ground, Maryland, United States
$76k-$156k/yr HybridFull Time
3+ YOEBachelor's in CS/SE/EE, 3+ years software development, U.S. citizenship, TS/SCI clearance (CI Poly preferred), strong C++ and Python skills, Linux experience, UI framework and API development experience.
C++, Python, Linux, React, Angular, Vue, Git, CI/CD, Docker, Ansible, Cobbler, HTML/CSS, TypeScript, REST APIs, PostgreSQL, PostGIS, SQLite, Automated testing
1mo
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Senior AI Engineer
United States or Wilmington
$126k-$197k/yr RemoteFull Time
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
1mo
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Software Engineer II
Exton or Philadelphia
HybridFull Time
5+ YOE5+ years frontend development with TypeScript and React, experience with 3D/web graphics (Cesium/WebGL/three.js) preferred, testing (Vitest/Jest, Playwright), agile/Scrum, strong communication, graduate degree or equivalent experience.
TypeScript, React, iTwin.js, Cesium, pnpm, Module Federation, Vitest, React Testing Library, Playwright, Jest, Azure DevOps, CI/CD, GitHub, GitHub Copilot, Git, WebGL, three.js
1d
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Senior Software Engineer
Malvern, Pennsylvania, United States
HybridFull Time
6+ YOERequires 6–9 years developing web applications, 3+ years with Ruby, Linux, APIs, databases, testing, and security protocols. Preferred experience includes cloud, containers, DevOps, Jenkins, React, AWS, Redis, and JIRA.
Linux, Git, Ruby, JavaScript, JSON, XML, OpenAPI, SFTP, FTP, OAuth2, OIDC, SSL, SSH, LDAP, Ruby on Rails, Python, REST, GraphQL, SQL, NoSQL, PostgreSQL, Jenkins, Node.js, React, Rust, AWS, RabbitMQ, Kafka, Redis, JIRA, Kubernetes
2w
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Software Engineer I
Reading or Tampa
OnsiteFull Time
Penske Truck Leasing: Provides commercial truck leasing, rental, and vehicle maintenance services.
5+ YOEBachelor's in CS/CE or equivalent, 5+ years programming (Java, RPG, etc.), full‑stack experience (React/Angular/HTML/CSS/JavaScript), REST/myBatis/Spring, relational DB design, Agile, and strong communication.
Java, RPG, React, Angular, jQuery, HTML, JavaScript, CSS, Spring framework, Spring-MVC, myBatis, RESTful API’s, Agile, DevOps Tools, CI/CD
2w
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Software Developer
Exton or Philadelphia
RemoteFull Time
5+ YOE5+ years professional software development experience with C# and .NET; experience with React, TypeScript, SQL Server, PostgreSQL, Docker, testing tools, and CI/CD; bachelor's degree or equivalent experience preferred.
C#, .NET, React, SQL Server, PostgreSQL, ASP.NET Core, Entity Framework Core, TypeScript, Testcontainers, Playwright, Docker, Docker Compose, GitHub Actions, xUnit, Bicep, Azure Container Apps, Kubernetes
2w
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Senior Platform Engineer - CRM Applications
Wilmington, Delaware, United States
HybridFull Time
5+ YOEBachelor's degree plus 5 years pharma experience; 5 years with Veeva CRM/OCE, Salesforce, Veeva Vault, Snowflake, Databricks, Apex/Visualforce/Lightning, React.js, REST/SOAP APIs, MuleSoft/SnapLogic; Veeva certifications required.
Veeva CRM, OCE CRM, Salesforce, Veeva Vault, Salesforce Marketing Cloud, Snowflake, Databricks, Apex, Visualforce, Lightning, React.js, React Native, REST/SOAP APIs, MuleSoft, SnapLogic, Power BI, Generative AI
2w
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Application Engineer - III, Secure Site
Malvern, Pennsylvania, United States
HybridFull Time
5+ YOEMinimum 5 years related experience with at least 1 year development; undergraduate degree or equivalent; experience with React, TypeScript, microfrontends, APIs, AWS, observability and CI/CD; strong communication and technical leadership.
React, TypeScript, Stencil, AEM Content Fragments, REST, GraphQL, Supergraph, Java, Angular, Nest.js, AWS, Splunk, Honeycomb, Grafana, DynamoDB, CoPilot, Claude, CI/CD
2w
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Senior Platform Engineer - CRM Applications
Wilmington, Delaware, United States
HybridFull Time
5+ YOEBachelor's in CS/Computational Biology/Biotechnology or related plus 5+ years pharma experience; expertise with Veeva, Salesforce, Snowflake, Databricks, Apex, React, APIs, MuleSoft/SnapLogic, Power BI; required Veeva certifications.
Veeva CRM, OCE CRM, Salesforce, Veeva Vault, Salesforce Marketing Cloud, Snowflake, Databricks, Apex, Visualforce, Lightning, React.js, React Native, REST/SOAP APIs, MuleSoft, SnapLogic, Power BI, Generative AI
2w
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Senior Platform Engineer - CRM Applications
Wilmington, Delaware, United States
HybridFull Time
5+ YOEBachelor's in CS or related plus 5+ years pharma experience; 5+ years with Veeva CRM/OCE/Salesforce, Veeva Vault, Snowflake, Databricks, Apex, React, APIs, MuleSoft/SnapLogic; Veeva certifications required.
Veeva CRM, OCE CRM, Salesforce, Veeva Vault, Salesforce Marketing Cloud, Snowflake, Databricks, Apex, Visualforce, Lightning, React.js, React Native, REST/SOAP APIs, MuleSoft, SnapLogic, Power BI, Generative AI
3w
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Software Engineer Staff
Colorado Springs or King of Prussia
$114k-$227k/yr OnsiteFull Time
U.S. citizen with Secret clearance; professional software engineering experience with automated testing (Playwright/Selenium/Cypress), TypeScript or Java; Bachelor’s in CS/Engineering; familiarity with CI/CD and secure SDLC.
Playwright, Selenium, Cypress, TypeScript, Java, Gitlab, Github, Docker, Kubernetes, .Net Core, Spring Boot, Angular, React
1w
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Software Engineer
Hunt Valley, Maryland, United States
$86k-$115k/yr HybridFull Time
5+ YOEBachelor's degree in computer science or related field, 5+ years software engineering experience, API and full-stack development experience, familiarity with Agile, testing, and cloud paradigms.
.NET (C#), SQL, HTML, CSS, JavaScript, NodeJS, Angular, React, Vue, Azure DevOps, Git, MS SQL Server, Typescript, REST API, HTTP, Java
6d
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Mid-Level Full Stack Software Developer
Belcamp, Maryland, United States
$65-$75/hr RemoteContract
3+ YOEBachelor's in CS or related and 3+ years experience; experience with MySQL/MariaDB, JavaScript/NodeJS, Angular/React, Azure or AWS; eligible for U.S. Secret clearance and U.S. citizenship required.
MySQL, MariaDB, JavaScript, NodeJS, HTML, CSS, Angular, React, Azure, AWS
4d
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Principal Software Engineer, Core Services
Wayne or Naperville
$160k-$185k/yr HybridFull Time
10+ YOE10+ years software engineering experience, bachelor’s in CS or equivalent, deep TypeScript/Node.js skills, cloud-native and distributed systems experience, leadership and mentoring experience.
TypeScript, Node.js, NestJS, EC2, Lambda, S3, SNS, SQS, Docker, Kafka, React, Kubernetes, GitHub Copilot, Claude Code, OpenAI Codex
1mo
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Full Stack Java/Cloud Developer - Assistant Vice President
New Castle, Delaware, United States
$107k-$161k/yr HybridFull Time
5+ YOE5+ years apps development experience with Java EE, Spring, SQL, JavaScript/React; familiarity with Azure/AWS, CI/CD, Git, Maven, Oracle; Bachelor's in CS or equivalent experience.
Java EE, SQL, Spring, JavaScript, Bootstrap, ReactJS, Azure, AWS, CI/CD, Git, Oracle, Maven
1mo
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SENIOR SOFTWARE DEVELOPER/ENGINEER (CLOUD/CYBER)
Huntsville or Aberdeen or Colorado Springs or Crestview or Tupelo
OnsiteFull Time
7+ YOEBS in CS/Software Eng or equivalent, 7+ years software development experience, DoD Top Secret/SCI eligibility, experience with Python, containers, AI/LLMs, databases, Linux, AWS, and Agile/Scrum.
LLMs, Ollama, LM Studio, Python, C#, Go Lang, React, JavaScript, HTML, CSS, Git, Docker, Bash, TensorFlow, PyTorch, SQL, MongoDB, PostgreSQL, Redis, Linux, AWS, RESTful API, Agile/Scrum
2d
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Software Engineer II
Newark, Delaware, United States
OnsiteFull Time
5+ YOERequires 5+ years of software development, a bachelor's degree or equivalent experience, Java/J2EE, Spring frameworks, REST/JSON, front-end technologies, testing, version control, monitoring, and distributed systems experience.
Spring MVC, Spring Framework, Spring Boot, Spring Security, Spring Integration, Spring Data JPA, SOAP, REST, JSON, Handlebars, Foundation, ReactJS, XML, JAXB, Jackson, Gson, JUnit, Git, Maven, Nexus, Eclipse, Bitbucket, Splunk, Dynatrace, WebSphere MQ, ActiveMQ, JVM, Groovy, Java, J2EE
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