React Developer Jobs in Clayton, DE, US

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Software Engineer(Front-End/React), Senior Advisor

Laurel, Maryland, United States

$146k-$234k/yr OnsiteFull Time

Peraton: National security and mission-critical government technology services provider.

14+ YOE14+ years SWE experience; BS in CS/Engineering/Math/Statistics; strong React and JavaScript; active TS/SCI with poly; front-end development

React, JavaScript, Redux, TypeScript

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2mo

Software Engineer III-Full Stack - Java/SpringBoot/React/AWS

Wilmington, Delaware, United States

OnsiteFull Time

JPMorgan ChaseNYSE: JPM: Global financial firm providing banking and investment management services.

3+ YOE3+ years software development with Java, Spring Boot, React; AWS; strong fundamentals.

Java, Spring Boot, React, AWS, Node.js, Oracle Database, PL/SQL, JPA/Hibernate, ECS, Splunk, CI/CD, GitHub Copilot, LLMs

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Application Developer / Engineer I

Atlanta or Wallingford or Louisville or Tampa or Indianapolis or Miami or Wilmington or Mason or Richmond or Des Moines

HybridFull Time

Elevance HealthNYSE: ELV: Provides health insurance plans and integrated healthcare services.

3+ YOEBA/BS in IT or CS; 3+ years in application/system development; .NET, Java, Angular/React; API development; SQL Server; MongoDB; cloud concepts; on-call support.

.NET, Java, Angular, React, APIs, SQL Server, MongoDB, Cloud

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AI Agentic Software Engineer

West Chester, Pennsylvania, United States

HybridFull Time

ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.

2+ YOE2+ years full-stack development; .NET or Java; React; REST APIs; AI exposure.

React.js, .NET, Java, REST APIs, GitHub Copilot

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Senior Software Developer

Wilmington, Delaware, United States

HybridFull Time

Continental Finance Company: Markets and services credit cards for consumers with limited credit.

5+ YOE5+ years in software development; strong C#/.NET Core; AWS; SQL Server or PostgreSQL; REST APIs; distributed/microservices; React/JavaScript; Azure DevOps; secure coding practices.

C#, NET Core, React, AWS, SQL Server, PostgreSQL, REST APIs, Azure DevOps, JavaScript

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Full Stack Palantir Foundry Developer

Arlington or Seattle or Denver or Chicago or Ridley Park or El Segundo or Saint Louis or Seattle

$149k-$215k/yr HybridFull Time

BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.

5+ YOEFull stack software development with 5+ years experience; React/TypeScript; Python/PySpark; ontology/taxonomy development; Foundry experience preferred.

ReactJS, Redux, JavaScript, TypeScript, Python, PySpark, REST, Git, S3/Parquet

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Software Engineer II

Nottingham, Maryland, United States

$94k-$118k/yr RemoteFull Time

Mariner Finance: Provides personal and consumer installment loans to individuals.

2+ YOE2+ years software development; Node.js, React/Vue, Express; databases (SQL/NoSQL), Git; strong problem solving and communication.

Node.js, React, Vue.js, Express, MongoDB, SQL, NoSQL, Git, Redis, VS Code

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Full Stack Developer (MD, Hanover)

Hanover, Maryland, United States

OnsiteFull Time

Eccalon: Develops cybersecurity, AI, and defense technology solutions for government.

3+ YOE3+ years as a full stack developer; React/Next.js; Node.js/Python; DoD/regulatory experience a plus; AI/LLM integration experience.

React, Next.js, Node.js, Python, AWS, PostgreSQL, DynamoDB, MongoDB, REST APIs, Git

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Software Engineer

Buffalo Grove or Wilmington or Lewisville or Logan

RemoteFull Time

CSC: Provides global business administration and compliance solutions.

6+ YOE6+ years full stack software design/development; C#, .NET, ASP.NET, TypeScript, React; cloud (Azure/AWS/Google); microservices; containers (Docker/Kubernetes) and testing; strong communication and collaboration.

C#, DotNet, ASP.NET, TypeScript, React, Next.js, Vue.js, Svelte, Azure, AWS, Google Cloud, Docker, Kubernetes

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Full Stack Palantir Foundry Developer

Arlington or Seattle or Denver or Chicago or Ridley Park or El Segundo or Saint Louis or Seattle

$149k-$215k/yr HybridFull Time

BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.

5+ YOEBachelor's degree in CS/Software/Data Eng or related field; 5+ years full-stack software development; 5+ years React/JavaScript/TypeScript; 3+ years ontology/taxonomy development; 5+ years web development with ReactJS/Redux/JS/TS/HTML/CSS

Palantir Foundry, Workshop, Slate, React, TypeScript, Python, PySpark, REST, JDBC, S3/Parquet, Git

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Principal Software Engineer

Columbus or Chadds Ford or Plano or Draper or New York or Wilmington

$184k-$492k/yr HybridFull Time

Bread FinancialNYSE: BFH: Provides credit cards, consumer loans, and personal savings accounts.

15+ YOE15+ years in software development across full stack, frontend and backend; BS in CS or related field; strong Agile/DevOps focus; experience with Java, JavaScript, AWS, Azure, React, Angular, Flutter; leadership experience.

Agile Methodology, DevOps, Java, JavaScript, Microsoft Azure Functions, Microsoft Azure SQL, Full Stack Development, Amazon Web Services (AWS), React.js, Angular, Flutter

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Web Developer

Annapolis Junction, Maryland, United States

$144k-$210k/yr HybridFull Time

Boeing Intelligence & AnalyticsNYSE: BA: Delivers intelligence, analytics, and cyber solutions for national security.

8+ YOEActive TS/SCI clearance with polygraph; 8+ years web development experience; BS in related field or equivalent experience; strong front-end and API integration skills.

HTML, CSS, JavaScript, React, Angular, Vue, REST API, Jira, Confluence, 508 accessibility, AWS, Docker, Kubernetes, Node.js, Java, Linux scripting, Git, Frontend testing

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Java Front End Software Engineer - Clearance Required

Hanover, Maryland, United States

$105k-$185k/yr OnsiteFull Time

Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.

3+ YOEBachelor’s degree; 3+ years Java frontend experience; Top Secret SCI with Polygraph; React, TypeScript, Java, JavaScript; Springs; Front end development.

Docker, Kubernetes, Rabbit MQ, TomCat Admin, Java, JavaScript, Typescript, React, Spring Framework

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2mo

Senior Software Engineer

New Castle, Delaware, United States

$126k-$209k/yr HybridFull Time

Waters CorporationNYSE: WAT: Designs analytical instruments for laboratory testing and research.

5+ YOE5+ years designing and building large-scale applications; strong C#, .NET, REST APIs; React with TypeScript; CI/CD; Agile; SQL/PostgreSQL; excellent communication.

C#, .NET, ASP.NET, RESTful Web API, EF Core, PostgreSQL, React, TypeScript, GitHub, GitHub Actions, CI/CD, Kubernetes, Docker, SpecFlow, OWASP, PKI, X509, TLS, 21 CFR11

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Senior Software Engineer

New Castle, Delaware, United States

$126k-$209k/yr HybridFull Time

Waters CorporationNYSE: WAT: Provides analytical laboratory instruments, software, and consumables.

5+ YOEBS in Computer Science or related; 5+ years designing, building, and scaling complex large-scale apps; strong C#, .NET, React/TypeScript, REST, PostgreSQL; Agile, CI/CD, and solid communication.

C#, .NET, ASP.NET, REST, EF Core, PostgreSQL, React, TypeScript, GitHub, GitHub Actions, Kubernetes, Docker, CI/CD, TDD, BDD

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2mo

Senior Software Engineer – Cloud & Full Stack

Wilmington or Columbus

$81k-$114k/yr OnsiteFull Time

CognizantNASDAQ: CTSH: Provides IT consulting, digital transformation, and business process services.

6+ YOE6+ years experience in AWS, SQL, React Native, Spring Boot, Java, JavaScript, and MySQL; onsite role in Wilmington, DE or Columbus, OH; no visa transfer.

AWS, SQL, React Native, Spring Boot, Java, JavaScript, MySQL

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Lead Engineer, Digital Software Development

Wilmington, Delaware, United States

$100k-$171k/yr HybridFull Time

AAA Club Alliance: Provides travel, insurance, and roadside assistance to club members.

8+ YOELead engineering role with 8+ years in software development; strong React/Next.js, .NET APIs, SQL, Agile; professional certification preferred.

React, Next.js, .NET, SQL, Git, Google Analytics, Vercel

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Application Engineer - III

Malvern, Pennsylvania, United States

HybridFull Time

Vanguard: Provides mutual funds, ETFs, and investment management services.

5+ YOEFive+ years in software development; Angular, Node.js, AWS, REST APIs; CI/CD; observability; BS in CS or related; AWS cert preferred.

Angular, Stencil, React, Node.js, REST APIs, AWS, CloudFormation, ECS, DynamoDB, S3, IAM, Synthetics, GitHub, CI/CD, Splunk, Honeycomb, OpenTelemetry, GraphQL, Python, Confluence, JIRA

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Software Engineer

Annapolis Junction or Hanover

$50k-$290k/yr OnsiteFull Time

The Swift Group: Engineering and technology solutions for the national security community.

US citizen with active TS/SCI clearance; Linux proficiency; programming in Python/Java/C/C++/JavaScript; Git; container tech (Docker/Kubernetes); shell scripting; experience with CI/CD; strong security-focused software development.

Bash, Python, Java, C, C++, JavaScript, Git, Docker, containerd, Podman, Kubernetes, Ansible, FastAPI, React, MongoDB, PostgreSQL, RabbitMQ, Kafka, Elastic Stack, Prometheus, Grafana, Splunk, Jira, Confluence, Slurm, AWS

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Senior Software Engineer – Cloud & Full Stack

Wilmington or Columbus

$81k-$114k/yr OnsiteFull Time

CognizantNASDAQ: CTSH: Delivers IT consulting and business process outsourcing services worldwide.

6+ YOE6+ years of experience; expert in AWS, SQL, React Native, Spring Boot, Java, JavaScript, and MySQL; onsite in Wilmington, DE or Columbus, OH; visa transfer/sponsorship not offered.

AWS, Java, JavaScript, React Native, Spring Boot, SQL, MySQL, Microservices

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Software Engineer (Mid-level)

Springfield, Pennsylvania, United States

HybridFull Time

webuyanycar.com USA: Direct car buying service with instant valuations and payments.

3+ YOE3-5 years professional software development; cross-stack ability; strong collaboration; able to leverage AI tools; portfolio

.NET Core, Node.js, Python, React, Next.js, TypeScript, Azure, SQL Server, Microservices, Functions, Lambdas, CI/CD, Unit Testing, Automated Testing

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2mo

Full Stack Software Engineer, Senior

Hanover or Annapolis Junction

$87k-$198k/yr HybridFull Time

Booz AllenNYSE: BAH: Provides management and technology consulting services to government and commercial clients.

5+ YOESenior full stack engineer with 5+ years' experience, Python/React/FastAPI, Docker, Agile, TS/SCI clearable, and degree or equivalent experience.

Python, React, FastAPI, Docker, APIs, UNIX/Linux

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2mo

Software Engineer II (661493)

Hanover, Maryland, United States

$41-$72/hr RemoteFull Time

Johns Hopkins Health System: Provides clinical care through academic hospitals and community clinics.

5+ YOE5+ years software development; Appian BPM; full-stack skills; REST APIs; Agile; Git.

Appian, JavaScript, React, Node.js, Java, SQL, REST, Git, AWS, Azure, GCP

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2mo

Principal Software Engineer - 90402969 - Onsite - Washington DC, Wilmington, Philadelphia (Washington, DC, US, 20001)

Washington or Wilmington or Philadelphia

$125k-$161k/yr OnsiteFull Time

Amtrak: Provides intercity passenger rail services across North America.

7+ YOEBachelor's degree or equivalent; 7+ years experience; onsite 4-5 days; strong Java/JavaScript/TypeScript/SQL; Angular/React; Spring/SpringBoot; REST; cloud; data streaming

Java, JavaScript, TypeScript, SQL, Angular, React, Node.js, Spring, SpringBoot, REST, Cloud, Data streaming, Version control

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Software Engineer 3 - III

Annapolis Junction, Maryland, United States

RemoteFull Time

InterImage: Provides IT modernization and cybersecurity services to federal government agencies.

12+ YOE12+ years software engineering experience on complex programs; bachelor's in CS; 4 additional years may substitute for degree.

React, JavaScript, node.js, Rust, Python, shell script, Kubernetes, Helm, Micro-Services, Service-mesh, Load Balancing, Cloud Migration, nifi, JEST, Grafana, InfluxDb, Elasticsearch, Redis, mysql, Apache Superset, RabbitMQ, Kafka, Ansible, Salt, Terraform, Web-Sockets, JBLOCKS, CASPORT, Neo4j

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MD-Software Engineer - TS/SCI w/ Polygraph

Annapolis Junction, Maryland, United States

$195k-$230k/yr OnsiteFull Time

Sunayu: Software and cybersecurity engineering services for government intelligence agencies.

20+ YOERequires 20+ years SWE experience, TS/SCI with Polygraph, BS in CS, strong full-stack skills.

ReactJS, NodeJS, Java, Spring Boot, Javascript, Docker/Podman, AWS, MongoDB, Elasticsearch, Gradle

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Senior Software Engineer- Enrichment

Oaks, Pennsylvania, United States

OnsiteFull Time

RevSpring: Provides patient engagement and payment solutions for healthcare providers.

5+ YOE5+ years building production software with Python; 5+ years with relational and NoSQL databases; 5+ years collaborating with Git.

Python, BigQuery, GCP, AWS, Pulumi, LangChain, LangGraph, TypeScript, React, Docker, Git

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2mo

Full Stack Developer

Aberdeen, Maryland, United States

$108k-$228k/yr OnsiteFull Time

CACINYSE: CACI: Provides technology and expertise for national security and government missions.

5+ YOEBachelor's degree or equivalent experience; 5+ years in full stack development; strong Java, front-end, and database skills; cloud and container tech a plus; Secret clearance (minimum).

Java, Spring Boot, Vaadin, Jakarta EE, HTML, CSS, JavaScript, React, Angular, Vue.js, SQL, MySQL, PostgreSQL, MongoDB, Git, AWS, Azure, Google Cloud, Docker, Kubernetes, CI/CD

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Optimization Tech Debt Engineer (Engineer Software 2) - 27217 (Aberdeen Proving Ground, MD, Remote, United States)

Aberdeen Proving Ground, Maryland, United States

$78k-$90k/yr RemoteFull Time

HIINYSE: HII: Builds naval ships and provides global defense technology solutions.

2+ YOE2 years experience with Bachelors in related field; 0 years with Masters; or HS diploma with 6 years relevant experience; Linux, Agile, Java/JavaScript, Node.js, React.js, C++/C#, Visual Studio; active Secret Clearance.

Java, JavaScript, Node.js, React.js, C++, C#, Linux, Confluence, Jira, Git, Visual Studio

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Technology Lead - US

Addison or Atlanta or Newark or Pennington

OnsiteFull Time

InfosysNYSE: INFY: Provides IT consulting, software development, and business outsourcing services.

4+ YOEBachelor’s degree or foreign equivalent; 4+ years IT experience; .NET, Angular/React, Oracle PLSQL/SQL Server; banking domain a plus; willing to relocate to listed US locations.

.NET, Angular, React, Oracle, PLSQL, SQL Server, HTML5, CSS3, JavaScript

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Software Engineer Manager

South Windsor or South Windsor

OnsiteFull Time

TicketNetwork: Marketplace and software provider for the live event ticketing industry.

5+ YOE5+ MgmtHands-on software engineering manager with 5+ years leading teams, strong MS tech stack, cloud, CI/CD, and SDLC ownership.

C# / .NET, Microsoft SQL Server, T-SQL, REST, HTML, CSS, JavaScript, Azure, AWS, CI/CD, Docker, Kubernetes, React, Angular

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Power Platform Developer and Business Analyst, Senior

Aberdeen Proving Ground, Maryland, United States

$55k-$126k/yr OnsiteFull Time

Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.

3+ YOE3+ years in SharePoint and Power Platform; experience in Power Platform, programming, QA, and SharePoint maintenance; secret clearance; multiple degree/experience paths in analytics.

Power Platform, Power Apps, Power BI, SharePoint, SQL, Python, C#, JavaScript, React, Angular, NodeJS, Dataverse

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Infrastructure Engineering, AVP

Quincy or Boston or Princeton or Clifton or Austin or Kansas City or Berwyn or Kilkenny or Dublin or London or Krakow or Quincy

$90k-$158k/yr HybridFull Time

State StreetNYSE: STT: Provides investment servicing and management to institutional investors.

7+ YOEAVP-level infrastructure engineering role requiring 7+ years Python, full stack development, network automation, SDLC, REST/JSON/XML, and hybrid work model.

Python, Django, REST, JSON, XML, HTML, CSS, JavaScript, React, Bootstrap, Git, CI/CD, Automation, Networking