211 senior react developer jobs at 95 companies in Delta, PA
2mo
Save
Mark Applied
Hide
Senior React Developer
Annapolis Junction or Columbia
$200k-$275k/yr HybridFull Time
12+ YOESenior full-stack developer proficient in React and Java/Spring Boot; experience migrating legacy systems; ability to work with Camunda and Pega workflows; strong REST APIs and Oracle/SQL skills.
React, Java, Spring Boot, Camunda, Pega, Oracle, SQL, REST API
3w
Save
Mark Applied
Hide
Senior React Software Engineer (contract)
Baltimore, Maryland, United States
$65-$75/hr RemoteContract
4+ YOEU.S. citizen required. 4+ years front-end experience with React and JavaScript/TypeScript. Experience with reusable component libraries, client-side state, accessibility, responsive design, testing, CI/CD, and strong communication skills.
React, TypeScript, JavaScript, HTML, CSS, CI/CD, Git
2w
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
Senior Software Engineer- Hybrid
Columbia, Maryland, United States
HybridFull Time
14+ YOE14 years of experience with a bachelor’s degree in computer science (or related field) or 18 years without the degree; experience with Java, JavaScript, TypeScript, CSS, HTML; desired: Material UI, React, Docker, Kubernetes, Rancher, Gitlab Pipelines; security clearance TS/SCI with Full Scope Polygraph.
Java, JavaScript, TypeScript, CSS, HTML, Material UI, React, Docker, Kubernetes, Rancher, Gitlab Pipelines
3d
Save
Mark Applied
Hide
Senior Software Engineer
Columbia or Laurel
$180k-$225k/yr HybridFull Time
14+ YOEActive Top Secret/SCI clearance with polygraph, U.S. citizenship, bachelor's degree or equivalent experience, 14 years of software development, Kotlin, Java, React, databases, Git or SVN, and agile experience.
Kotlin, React, Java, Mongo, SQL, Redux, Git, SVN
2mo
Save
Mark Applied
Hide
Senior Software Engineer
Baltimore, Maryland, United States
$125k-$155k/yr OnsiteFull Time
5+ YOE5+ years software development, 3+ years building scalable web apps, strong JavaScript (React/Angular/Vue), Node.js, cloud (AWS preferred), database and caching experience, bachelor’s or equivalent.
JavaScript, React, Node.js, Angular, Vue, AWS, SQL Server, Oracle, MongoDB, MySQL, Redis, Memcached, Varnish, Arc XP, WordPress
1mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Senior Software Engineer
Annapolis Junction, Maryland, United States
HybridFull Time
15+ YOETS/SCI with polygraph required; 15+ years software engineering experience; full-stack development expertise with Java and JavaScript; proficiency with modern JavaScript frameworks (React, Vue, Angular); familiarity with Section 508 and SDLC.
React, Vue, Angular, Java, JavaScript, Leaflet.js
2d
Save
Mark Applied
Hide
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
4d
Save
Mark Applied
Hide
Senior Software Engineer, Frontend Platform
United States or San Francisco or New York City or Los Angeles or Boston or Seattle or Washington or San Diego or Chicago or Austin or Dallas or Portland or Denver or Philadelphia or Baltimore or Sacramento or Minneapolis or Miami or Atlanta or Phoenix or Orlando or Las Vegas or Salt Lake City or Madison or Birmingham or San Antonio or Spokane or Toronto
$125k-$210k/yr HybridFull Time
Significant production software experience with deep React and TypeScript expertise, full-stack fundamentals, mobile experience, design systems, Figma, and hands-on AI-assisted development.
React, TypeScript, React Native, Figma, Cursor, Claude, Storybook, style-dictionary, Framer Motion, Rive, Lottie, Expo
6h
Save
Mark Applied
Hide
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
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
3w
Save
Mark Applied
Hide
Senior Software Engineer
Baltimore, Maryland, United States
$140k-$160k/yr RemoteFull Time
5+ YOE5+ years software engineering experience, ownership of features from design to production, deep Ruby on Rails backend expertise, relational DB design, strong communication; React and Flutter experience preferred.
Ruby on Rails, React, Flutter, AWS, ECS, RDS, S3
3w
Save
Mark Applied
Hide
Senior Software Engineer
Baltimore, Maryland, United States
$140k-$160k/yr RemoteFull Time
5+ YOE5+ years software engineering experience; strong Ruby on Rails backend skills; product-minded; experience with React and Flutter, relational databases, security and reliability (HIPAA/SOC 2); strong communication.
Ruby on Rails, React, Flutter, AWS, ECS, RDS, S3
5h
Save
Mark Applied
Hide
Software Engineer 2 (Hybrid) - JavaScript/React/Angular/Java/Linux
Annapolis Junction, Maryland, United States
$130k-$270k/yr HybridFull Time
14+ YOEBachelor's or advanced technical degree, 14 years of software experience, full-stack development, JavaScript frameworks, Java, modular components, SDLC, Section 508, and Top Secret/SCI clearance with polygraph.
JavaScript, React, Vue, Angular, Java, Linux, Leaflet.js, CI/CD
2mo
Save
Mark Applied
Hide
365-369 - Senior Software Engineer
Fort Meade or Linthicum
$191k-$214k/yr OnsiteFull Time
8+ YOEActive TS/SCI with polygraph; US citizenship; Bachelor's degree plus 8 years of experience; strong Python/Java; PySpark, Kubernetes, Docker, Elasticsearch; AI/ML tooling; cloud-native platforms; governance and agile delivery.
Python, Java, PySpark, Jupyter Notebooks, Kubernetes, Docker, Elasticsearch, GHOSTMACHINE, Query Time Analytics, Git, GitLab, Hugging Face, Bailo, OpenAI, AWS Bedrock, AWS SageMaker, AWS EKS, React, EX, Terraform
4d
Save
Mark Applied
Hide
Senior Software Engineer
Annapolis Junction, Maryland, United States
$190k-$240k/yr OnsiteFull Time
12+ YOERequires TS/SCI clearance with polygraph, 12 years of software development experience, or a bachelor's degree with substitution allowance, plus experience with listed development technologies and technical documentation.
SQL Server, Iron Speed, C#, React, Vue.js, JavaScript, JIRA, Java, Django, ReactJS, Python
1mo
Save
Mark Applied
Hide
Mobile Architect (React Native)
Malvern or Charlotte
HybridFull Time
8+ YOE8+ years related experience with 3+ years technology architect experience; strong expertise in React Native, TypeScript, cross-platform iOS/Android development; proven architecture and stakeholder influence skills.
React Native, TypeScript, React, AWS, DevOps, CI/CD
2w
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Web Developer
Annapolis Junction, Maryland, United States
$160k-$195k/yr OnsiteFull Time
8+ YOEActive TS/SCI with Polygraph; 8+ years development experience; Bachelor's in a technical field; strong Java, JavaScript, React/SolidJS, SpringBoot, Grafana skills.
Java, Swing, Servlets, JavaScript, JQuery, React, SolidJS, SpringBoot, Grafana
2mo
Save
Mark Applied
Hide
Senior Java Developer (Active TS/SCI with Poly Required - (SIGN-ON BONUS UP TO $30,000)
Annapolis Junction, Maryland, United States
$164k-$207k/yr OnsiteFull Time
5+ YOEActive TS/SCI with poly; Bachelor's in a technical field; 5+ years software development; 4+ years Java; microservices, Spring, Docker, Kubernetes; strong backend architecture.
Java, Kotlin, Spring Boot, Spring Cloud, Spring Data, AWS, Docker, Kubernetes, Linux, Kafka, Cassandra, DynamoDB, GitLab CI/CD, Maven, Node.js, SonarQube, IntelliJ, VSCode, ReactJS
Explore Jobs