27 senior software engineer react jobs at 22 companies in York, PA
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
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
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
1d
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
6d
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
2mo
Save
Mark Applied
Hide
Software Engineer (Mid-Senior level)
Baltimore, Maryland, United States
OnsiteFull Time
5+ YOE5+ years in software engineering; Java; SQL; REST; AWS/GCP/Azure; Docker; IaC (Terraform/Ansible); React; strong problem-solving and teamwork.
Java, SQL, REST, AWS, Docker, Terraform, Ansible, React
1mo
Save
Mark Applied
Hide
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
2w
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
Full Stack Senior Software Engineer– Investment Risk Technology
Baltimore or Washington or Maryland or Colorado or Washington or New York or California
$121k-$258k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent,5+ years software engineering experience,proficiency in object-oriented languages (C#/.NET),cloud-native AWS experience,SQL skills,automated testing and CI/CD practices.
C#, .NET, PostgreSQL, React, AWS, SNS, SQS, S3, Lambda, ECS, DynamoDB, Snowflake, Dagster, Python
2w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Sr. Software Developer
Mechanicsburg, Pennsylvania, United States
$100k-$105k/yr OnsiteContract
10+ YOE10+ years professional software development experience; strong expertise with C#, VB.NET, .NET 8+, ASP.NET Core, JavaScript and modern front-end frameworks, SQL/Entity Framework, microservices, messaging, Git; U.S. citizen with current T3 investigation; onsite work required.
C#, VB.NET, .NET 8+, ASP.NET Core, JavaScript, React, Angular, SQL, Entity Framework, NServiceBus, RabbitMQ, Git
3w
Save
Mark Applied
Hide
Full Stack Software Engineer
Ellicott City, Maryland, United States
$120k-$140k/yr OnsiteFull Time
6+ YOE6+ years full-stack development with Java 17, Spring Boot, React/Redux, REST, SQL/Postgres; Public Trust clearance preferred; BS in CS preferred; strong communication and Agile experience.
Spring Boot, Microservices, Java17, React, Redux, HTML5, CSS3, SCSS, JavaScript, Typescript, JSON, SQL, Postgres, Junit, SonarQube, webpack, npm, Storybook, GitHub, Wildfly, RDBMS, ORM, REST, AWS, Kafka, AWS Lambda, S3, Apache POI, Microsoft Word, Microsoft Excel
3w
Save
Mark Applied
Hide
Full Stack Senior Software Engineer– Investment Risk Technology
Baltimore, Maryland, United States
$121k-$206k/yr HybridFull Time
5+ YOEBachelor's or equivalent, 5+ years software engineering in object-oriented languages (C#/.NET, Java, etc.), cloud-native AWS experience, SQL proficiency, distributed systems and automated testing experience.
C#, .NET, PostgreSQL, React, AWS, SNS, SQS, S3, Lambda, ECS, DynamoDB, Snowflake, Dagster, Python, SQL, HireVue
1mo
Save
Mark Applied
Hide
Distinguished Engineer - Delivery (Remote)
Baltimore, Maryland, United States
$185k-$343k/yr RemoteFull Time
10+ YOE10+ years software engineering experience with 5+ years in senior/technical lead roles; Bachelor's in CS or related; TriZetto Facets, Azure and AWS experience; expertise in Java, Python, C#, .NET, Node.js, React, Angular; strong communication and leadership.
TriZetto Facets, Azure, AWS, Java, Python, C#, .NET, Node.js, React, Angular, Electronic Medical Records (EMR)
5d
Save
Mark Applied
Hide
Delivery Senior Consultant, Software Engineering Solutions
Gilbert or Lake Mary or Mechanicsburg or Atlanta or Charlotte or Dallas or Houston or Philadelphia
HybridFull Time
4+ YOEBachelor’s degree and 4+ years developing front-end applications with HTML, CSS, JavaScript, React or Angular; experience with identity workflows, UI tools, accessibility standards, and government or enterprise security requirements.
HTML, CSS, JavaScript, React, Angular, Figma, Adobe XD, SAML, OAuth, OpenID Connect, WCAG, NIST
2w
Save
Mark Applied
Hide
Lead Full Stack Engineer (.Net, Vue/React) - Fully Remote
Baltimore or United States
RemoteFull Time
8+ YOE2+ Mgmt8+ years full-stack experience, 2+ years in a lead role, proficiency with .NET Core,C#,GraphQL,MongoDB,Docker,Javascript,Vue.js/React.js,cloud platforms,testing,security and performance optimization.
.NET Core, C#, GraphQL, MongoDB, Docker, Javascript, Vue.js, React.js, AWS, Azure, Google Cloud
1mo
Save
Mark Applied
Hide
Senior Ruby on Rails Engineer, (Senior Consultant, Engineering & Technical Services)
Baltimore or Alabama or California or Delaware or District of Columbia or Florida or Georgia or Maryland or New Jersey or New York or North Carolina or Pennsylvania or South Carolina or Tennessee or Texas or Virginia or West Virginia
$121k-$140k/yr RemoteFull Time
5+ YOE5+ years Ruby on Rails experience, proficiency with frontend frameworks (React/JS/TS), RESTful APIs, Sidekiq, strong OO design, accessibility knowledge, ability to obtain Public Trust clearance, bachelor's degree or equivalent experience.
Ruby on Rails, React, JavaScript, TypeScript, HTML5, CSS3, Sidekiq, RESTful APIs, OAuth, SSO
2mo
Save
Mark Applied
Hide
Senior .NET Azure AI Developer - Baltimore, MD
Baltimore, Maryland, United States
$100k-$203k/yr OnsiteFull Time
10+ YOE10+ years experience; strong C#/.NET; extensive Azure services; AI/ML with Azure tools; RESTful APIs; DevOps with Azure DevOps; Docker; IaC with Bicep.
C#, .NET, ASP.NET Core, Microsoft Azure, Azure Functions, Azure OpenAI, Azure ML, Cognitive Services, RESTful APIs, SQL, Cosmos DB, Docker, Kubernetes, Terraform, Bicep, Azure DevOps, Git, Python, Node.js, Angular, React, SQL Server, PostgreSQL, Cosmos DB
4w
Save
Mark Applied
Hide
DevSecOps Engineer
Baltimore, Maryland, United States
RemoteFull Time
5+ YOE5+ years full‑stack DevSecOps experience with Java/Spring, front-end (React/Angular), CI/CD, containers, AWS, automated testing, and ability to obtain Public Trust clearance.
Java, Spring Boot, JEE, REST/JSON APIs, React, Angular, JavaScript, TypeScript, AWS, Jenkins, Concourse, Git, GitHub, Docker, Kubernetes, Selenium, Cucumber, TDD, BDD, Hadoop, Spark, Hive, Cassandra, Tomcat, AWS Lambda, Kotlin, Scala, Prometheus