29 software engineer javascript jobs at 22 companies in Dover, DE

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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Software Developer
Belcamp, Maryland, United States
$83k-$140k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
10+ YOEBSc and 10+ years software development experience, U.S. citizenship with active Secret clearance, proficiency with Java/Python/C#/JavaScript, Linux/Windows experience, testing and documentation skills, DoD experience preferred.
Java, Python, C#, JavaScript, Linux, Windows
3mo
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1650 - Software Developer
Belcamp, Maryland, United States
$83k-$140k/yr OnsiteFull Time
Sigma Defense: Develops tactical communications and intelligence systems for defense.
10+ YOE10+ years in software development; 5+ years DoD software support; strong requirements analysis, architecture, and coding skills; Java, Python, C#, and JavaScript; ability to document software; U.S. citizen; Secret security clearance or higher; Bachelor's Science degree.
Java, Python, C#, JavaScript
2mo
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Software Applications Engineer
Aberdeen Proving Ground, Maryland, United States
$115k-$130k/yr HybridFull Time
Entarian
Entarian: Provides mission-critical engineering and technology solutions for government agencies.
5+ YOEDoD Secret clearance; BS in computer science or related field; 5+ years in software applications engineering; strong .NET/C#, MudBlazor, HTML/CSS/JavaScript; API development; Azure/DevOps; security+; hybrid role near Aberdeen Proving Ground, MD.
C#, .NET, MudBlazor, HTML, CSS, JavaScript, OpenXml, ASP.NET Core, Entity Framework Core, SQL, Azure, DevOps, OpenID Connect, OAuth 2.0, Microsoft Entra ID
1mo
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Distinguished Software Engineer
McLean or New York or Wilmington or Philadelphia
$269k-$307k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
7+ YOEBachelor's degree and 7+ years software engineering experience, 7+ years cloud (AWS), 5+ years across multiple domains or professional services; strong architecture, mentoring, and stakeholder communication skills.
AWS, Java, Python, Go, JavaScript, TypeScript, Fargate, Lambda
3w
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2440AS - Software Engineer I
Aberdeen, Maryland, United States
$75k-$98k/yr OnsiteFull Time
Techximius: Provides specialized IT and engineering services for defense missions.
1+ YOEBachelors in computer science or similar, 1-5 years software programming experience, proficiency in Java/C/C++/Python/JavaScript, experience with backend/microservices/web development, strong communication and documentation skills, current DoW clearance required.
Java, C/C++, Python, JavaScript, Node.js, Vue.js, Windows, Linux, Android, UML
3mo
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Software Engineer 3 - III
Annapolis Junction, Maryland, United States
RemoteFull Time
InterImage
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
2mo
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Software Engineer 0
Annapolis Junction, Maryland, United States
OnsiteFull Time
Entegra Systems
Entegra Systems: Provides engineering and intelligence analysis for government missions.
0+ YOEActive Top Secret clearance with Poly; 0 years experience; Java in UNIX/Linux; Spring; RESTful services; JPA/Hibernate; JavaScript libraries; testing frameworks
Java, UNIX, Linux, Spring, REST, JPA, Hibernate, JQuery, Ext-JS, Dojo, JavaScript, Tomcat, Maven, Spring Security, MongoDB, JMS, Backbone JS, D3, Dimple, Groovy, Spock, Spring Boot, Spring MVC
1mo
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Senior Software Engineer
Wilmington or London or Amsterdam
HybridFull Time
CSC
CSC: Provides global business administration and compliance solutions.
Expertise with C# and .NET Core, Blazor, Entity Framework Core, SQL Server, Azure Functions, Playwright, JavaScript/TypeScript, and experience building AI-enabled applications and AI-augmented SDLC practices.
C#, .NET Core, Blazor Server, Blazor WebAssembly, GitHub Copilot, Cursor, Claude Code, Entity Framework Core, SQL Server, Azure Functions, Bootstrap, Playwright, JavaScript, TypeScript, Azure Pipelines, Git, MediatR, Clean Architecture, Fluxor, Polly, Artillery, JMeter, K6, Locust, Docker, Kubernetes, Azure AI Foundry, Azure OpenAI Service
3mo
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Software Engineer(Front-End/React), Senior Advisor
Laurel, Maryland, United States
$146k-$234k/yr OnsiteFull Time
Peraton
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
1mo
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SENIOR SOFTWARE DEVELOPER/ENGINEER (CLOUD/CYBER)
Huntsville or Aberdeen or Colorado Springs or Crestview or Tupelo
OnsiteFull Time
Sentry Construction
Sentry Construction: Provides general contracting and comprehensive property maintenance services.
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
2mo
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Full Stack Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Gigatec
Gigatec: Providing systems engineering and software development services for defense.
3+ YOEExperienced software engineer skilled in Python/Java, front-end web tech, data processing, and streaming tools. Top Secret clearance required with polygraph. U.S. work authorization; no visa sponsorship.
Python, Java, Streamlit, TypeScript, HTML, CSS, JavaScript, React, Angular, Vue, Apache Spark, Jupyter Notebook, pandas, NumPy, Parquet, JSON, CSV, XML, Git, Apache Airflow, MySQL, MariaDB, PostgreSQL, Slurm, JIRA, Confluence
1mo
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Principal Software Engineer
Annapolis Junction, Maryland, United States
$215k-$250k/yr OnsiteFull Time
Envision Innovative Solutions
Envision Innovative Solutions: Provides technical engineering and mission support to government agencies.
12+ YOETwelve years SWE experience; BS in CS; frontend React; Node.js/Rust; Python; Shell; Kubernetes; microservices; multi-site apps; cloud migration.
JavaScript, TypeScript, React, Node.js, Rust, Python, Shell, Kubernetes, Microservices, Cloud
1mo
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Software Developer I
Aberdeen Proving Ground, Maryland, United States
$95k/yr HybridFull Time
Agile Defense
Agile Defense: Provides IT modernization and cybersecurity for federal government agencies.
1+ YOEMust have Interim Secret/Top Secret clearance to start, obtain Security+ (IAT-II) within 90 days, 1+ years Java experience (Core Java 1.7+), and familiarity with JDBC/MySQL, JMS/Artemis/ActiveMQ, ESB and XML technologies. Bachelor's typical; 0-2 years experience.
C, C++, Java, Core Java (1.7+), JDBC, MySQL, JMS, Artemis, Apache ActiveMQ, Enterprise Service Bus, XML, XSD, XSLT, XPATH, Object XML mapping, GitLab, Apache Ant, IZPack, PHP, JavaScript, REST, Web Services, SNMP, Apache HTTP server, Windows IIS, LDAP, Active Directory, Wireshark, Java PCAP libraries, VMWare ESX, Microsoft HyperV
3mo
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Software Engineer - Level III
Aberdeen Proving Grounds, Maryland, United States
$108k-$162k/yr OnsiteFull Time
Augustine Consulting
Augustine Consulting: Provides technical and engineering services to the US Department of Defense.
5+ YOESecurity clearance required; US citizenship; multiple education paths with experience; strong web development skills.
HTML, CSS, JavaScript, Python, PHP, SQL, Photoshop, Dreamweaver
1w
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Full Stack Mid-level Java Software Engineer
Wilmington, Delaware, United States
$64k-$106k/yr OnsiteFull Time
WSFS Bank
WSFS BankNASDAQ: WSFS: Provides regional banking, wealth management, and cash logistics services.
3+ YOEBachelor's degree in CS or related, 3+ years Java-focused software development, experience with Spring Boot, microservices, Azure, Kubernetes, CI/CD, monitoring tools, testing frameworks, and security best practices.
Java, Python, JavaScript, C#, Spring Boot, RESTful, Azure, Kubernetes, CI/CD, Prometheus, Grafana, Datadog, JUnit, Mocha, Terraform, CloudFormation, SQL, NoSQL
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
3w
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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
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
2w
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Test Automation Engineer(Web)
Alexandria or Aberdeen or Picatinny
HybridFull Time
Research Innovations
Research Innovations: Provides software and cybersecurity solutions for national defense agencies.
3+ YOE3+ years test automation experience building automated test suites for web apps and APIs; experience with Selenium/Cypress, CI/CD, Docker/Kubernetes; programming in Java or JavaScript; secret clearance required.
Selenium, Cypress, TestNG, GitLab, JIRA, Docker, Kubernetes, Java, JavaScript, Cucumber, Gherkin, Git, Postman, REST Assured, SoapUI, Maven, Gradle, NPM, JMeter, SQL
1w
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Full Stack Web Developer
Boothwyn, Pennsylvania, United States
HybridFull Time
Nielsen-Kellerman
Nielsen-KellermanNASDAQ: GAIN: Designs and builds rugged environmental and sports performance instruments.
2+ YOE2+ years Adobe Commerce development experience, working knowledge of PHP/JavaScript/HTML/CSS/Node.js/SQL, Ubuntu/Linux comfort, bachelor’s degree in computer science or equivalent, strong problem-solving and communication skills.
PHP, HTML, CSS, JavaScript, Node.js, SQL, Adobe Commerce, Adobe App Builder, Linux, Ubuntu, Microsoft SQL Server, MySQL, Claude.ai