Javascript Developer Jobs in Dover, DE, US

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Software Developer III

Aberdeen Proving Ground, Maryland, United States

OnsiteFull Time

Integral Federal: Provides digital transformation and intelligence services for federal agencies.

10+ YOETen years’ experience in design/development; strong HTML/CSS/JavaScript/XML; UX and visual design skills; experience with design tools and web development.

HTML, CSS, JavaScript, XML, Dreamweaver, Photoshop, PowerPoint

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Salesforce Senior Developer

Wilmington or Cincinnati or Worthington

$90k-$121k/yr HybridFull Time

AAA Club Alliance: Provides roadside assistance, insurance, and travel services for members.

5+ YOE5+ years Salesforce development; Bachelor's or equivalent; Salesforce Platform Developer II; multiple tech skills including Apex, LWC, Visualforce, JSON, XML, JavaScript, SQL, Java, C#, C++, SOAP, AWS/Azure; multiple Salesforce certifications.

Apex, LWC, Visualforce, JSON, XML, JavaScript, SQL, Java, C#, C++, SOAP, AWS, Azure, GearSet

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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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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

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Lead Software Engineer - Observability Platform Cloud Developer

Wilmington or Columbus

OnsiteFull Time

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

5+ YOE6+ years of software engineering experience; strong cloud native development; proficiency in Java, JavaScript, React, Python; experience with Kafka, Kubernetes, Microservices, Terraform; CI/CD and automation; knowledge of financial IT systems.

Java, JavaScript, React, Python, Kafka, Kubernetes, Microservices, Terraform, Ansible, ServiceNow, Splunk, Oracle, DynaTrace

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2mo

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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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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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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Software Engineer

Alexandria or Edgewood

HybridFull Time

BryceTech: Engineering and analytics services for aerospace and defense agencies.

5+ YOESecret clearance preferred; proficient in Java, JavaScript, SQL; BS in CS or software engineering; 5–7 years coding experience; strong communication and teamwork.

Java, JavaScript, SQL

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Senior Java Developer

Chicago or Morristown or Wilmington

$79k-$138k/yr HybridFull Time

W. R. BerkleyNYSE: WRB: Provides commercial property, casualty, and specialty insurance and reinsurance.

4+ YOE4+ years enterprise Java, Guidewire InsuranceNow experience, REST/SOAP APIs, SQL, JavaScript/jQuery/Velocity; full SDLC; Agile/Waterfall; BA/Business stakeholder collaboration.

Java, Guidewire InsuranceNow, REST API, SOAP API, SQL, JavaScript, jQuery, Velocity

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CPE SETA_Software Engineer III (Graphics Support, Web Designer)

Aberdeen Proving Ground, Maryland, United States

$120k-$130k/yr HybridFull Time

People Technology and Processes: Professional services and technical support for federal government agencies.

10+ YOEBachelor's degree in CS/Design; 10+ years in web design and development with HTML, CSS, JavaScript; Photoshop/Dreamweaver; able to substitute associate degree with 12+ years.

HTML, CSS, JavaScript, Python, PHP, SQL, Photoshop, Dreamweaver, PowerPoint, UNIX, Windows

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Embedded Developer

Annapolis Junction, Maryland, United States

OnsiteFull Time

Tiber Technologies: Providing specialized engineering and security services for federal missions.

Must be a U.S. citizen; active clearance with a polygraph; Bachelor's degree in CS, engineering, or related field; embedded/low-level development experience preferred

Linux, Windows, Embedded systems, Ghidra, C, C++, Python, Rust, Go, Git, Subversion, Jira, Confluence, PowerShell, Bash, Assembly, Java, JavaScript

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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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Summer 2026 Software Developer Internship

Annapolis Junction, Maryland, United States

$26-$35/hr OnsiteFull Time

GDITNYSE: GD: Delivers IT and mission services to government agencies.

0+ YOE0+ years of related experience; proficiency in Python, Java, C/C++, Rust, JavaScript/TypeScript; US citizenship required; software development best practices; teamwork.

Python, Java, C/C++, Rust, JavaScript/TypeScript

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2mo

Software Developer (55390)

Aberdeen, Maryland, United States

$100k-$110k/yr OnsiteFull Time

DataPath: Manufactures satellite communication terminals and provides ground system solutions.

10+ YOEBachelor's degree and 10+ years in software development; DoD experience preferred; US citizen with active secret clearance.

Java, Python, C#, JavaScript

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Web Applications Developer

Kansas City or Atlanta or Chicago or St. Louis or New York or Birmingham or Boston or Chattanooga or Charleston or Dallas or Denver or Edwardsville or Fort Lauderdale or Fort Worth or Houston or Jefferson City or Los Angeles or Miami or Nashville or Park City or Philadelphia or Phoenix or Raleigh or Seattle or San Francisco or Salt Lake City or St. Joseph or Wilmington or Washington

$125k-$140k/yr HybridFull Time

Polsinelli: Am Law 100 law firm providing comprehensive legal services.

5+ YOE5–8 years of software development, full-stack web, strong C#/.NET, Angular/TypeScript, REST APIs, SQL Server, Azure, HTML/CSS/JS.

C#, .NET Core, ASP.NET Core, Angular, TypeScript, REST APIs, SQL Server, Azure, HTML, CSS, JavaScript

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CyberTron Contract: Software Engineer I

Aberdeen, Maryland, United States

$85k-$110k/yr OnsiteFull Time

Techximius: Provides specialized IT and engineering services for defense missions.

1+ YOEEntry-level software engineer with skills in Java/C/C++, Python, or JavaScript; knowledge of backend, web apps, and microservices; DoD environment familiarity preferred.

Java, C/C++, Python, JavaScript, Backend development, Web technologies, Microservices, SQL

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Software Engineer with Poly SR SWE1

Annapolis Junction, Maryland, United States

OnsiteFull Time

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

7+ YOETop Secret/SCI with polygraph; 7+ years of software engineering; BS in Computer Science or related field; full stack experience (JavaScript, React, Mongo); strong Linux and Java knowledge.

Java, JavaScript, React, MongoDB

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Software Engineer - Level II

Aberdeen Proving Grounds, Maryland, United States

$86k-$150k/yr OnsiteFull Time

Augustine Consulting: Provides technical and engineering services to the US Department of Defense.

3+ YOEUS citizen; Secret clearance; degree with experience in software development and SDLC.

Java, C++, Python, JavaScript, Git, TCP/IP

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Senior Web Developer

Philadelphia or Atlanta or Blue Bell or Boston or Charlotte or Dallas or Exton or Greensboro or Greenville or Kansas City or Miami or Oklahoma City or Pittsburgh or Raleigh or Sarasota or Warrington or West Palm Beach or Wilmington

OnsiteFull Time

Fox Rothschild: A national law firm providing comprehensive legal and business services.

10+ YOEBachelor’s degree in computer science or related field; 10+ years web development with modern languages/frameworks; API integration; SQL; cloud and DevOps experience; CI/CD; security practices; strong communication and collaboration.

Angular, JavaScript, C#, ASP.NET, MVC, SQL, GitHub Actions, Azure DevOps, Azure, CI/CD, APIs, AI/ML

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Software Engineer II

Annapolis Junction, Maryland, United States

$76k-$144k/yr OnsiteFull Time

RTXNYSE: RTX: Designs and manufactures aircraft engines and defense systems.

2+ YOETypically requires STEM degree and 2+ years of software development experience; TS/SCI clearance or ability to obtain; strong C++ in Linux; scripting and XML; UI and web skills preferred.

C++, Linux, Python, Bash, Perl, JavaScript, XML, Qt, Angular, TensorFlow, git

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Senior Lead Software Engineer - Contact Center (CCaaS)

Wilmington, Delaware, United States

OnsiteFull Time

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

5+ YOE5+ years software engineering; experience with Amazon Connect and AWS; Python/Node.js/JavaScript; CI/CD; Omnichannel; CRM integrations; BS in CS/IT/Math; 10+ years IT preferred

Python, Node.js, JavaScript, CI/CD, CloudFormation, Terraform, Amazon Connect, AWS

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Senior Software Developer (Secret Clearance Required)

Aberdeen, Maryland, United States

HybridFull Time

NextGen Federal Systems: Provides software engineering and IT solutions for federal agencies.

3+ YOEDoD security clearance, 3-5+ years in software development, strong Android/Java/C/C++, DevOps tools, Linux, APIs, Docker, Kubernetes, cloud, Agile.

Git, Gitlab, Jira, Nexus, Artifactory, Gradle, Bash, Python, Docker, Kubernetes, Linux, Android, Java, JavaScript, C, C++, C#, APIs, NVIDIA CUDA, ElasticSearch, Kibana

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Software Applications Engineer

Aberdeen Proving Ground, Maryland, United States

HybridFull Time

Sev1Tech: Provides IT, engineering, and program management services for government.

5+ YOEDoD Secret clearance; Bachelors in computer/science-related field; 5+ years in software applications engineering; .NET full-stack with C#, MudBlazor, HTML/CSS/JS; Azure/DevOps; API development; security models; hybrid role near Aberdeen Proving Ground, MD.

C#, dotnet, Blazor, MudBlazor, HTML, CSS, JavaScript, Razor, Entity Framework, SQL, Azure, DevOps, OpenID Connect, OAuth 2.0, Microsoft Entra ID, Git

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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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Fullstack Software Engineer (C# / Vue.js)

Wilmington, Delaware, United States

HybridFull Time

DiliTrust: SaaS platform for corporate governance and legal departments.

2+ YOE2–5 years of full-stack web development experience with C#, .NET, Vue.js; strong SQL Server; REST, MVC; Git; Agile practices.

C#, NET, ASP.NET, REST APIs, Vue.js, SQL Server, Entity Framework, Git, CI/CD, JavaScript, HTML, CSS, MVC, ASP

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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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Senior Software Developer

Annapolis Junction, Maryland, United States

$203k-$249k/yr OnsiteFull Time

Intelliforce: Provides engineering and technical solutions for the intelligence community.

12+ YOETop Secret clearance with Full Scope Polygraph; US citizenship; 12 years of relevant experience with a technical Bachelor's; additional 4 years experience substitutable for degree; on-site work

Python, JavaScript, Linux, Git, Docker, Kubernetes

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Software Engineer

Fort Meade, Maryland, United States

$200k-$230k/yr OnsiteFull Time

Markon: Provides consulting and mission support services to federal agencies.

14+ YOETS/SCI with poly; Bachelor's in CS/Engineering; 14 years experience; Linux, C++, Java; scripting; Git; Docker; strong problem-solving and communication.

C++, Java, Shell, Python, JavaScript, Bash, Git, Docker, Linux

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Lead Software Engineer, Full Stack

Wilmington, Delaware, United States

$179k-$205k/yr OnsiteFull Time

Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.

4+ YOESenior full-stack software engineer with 4+ years of software development experience; cloud experience (AWS/Azure/GCP); leadership and mentoring skills.

JavaScript, Java, TypeScript, Python, Go, SQL, HTML/CSS, Docker, Kubernetes, AWS, Open Source Databases, NoSQL

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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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Web Test Engineer

Aberdeen Proving Ground, Maryland, United States

RemoteFull Time

VES: Develops software integration and infrastructure for military tactical systems.

3+ YOE3+ years software testing and automation; automated web testing with Cypress/Selenium; Agile/Scrum experience; CI/CD familiarity; containerization with Docker/Kubernetes; strong troubleshooting.

Cypress, Selenium, TestNG, JUnit, Postman, REST Assured, SoapUI, GitLab CI, Docker, Kubernetes, Maven, Gradle, NPM, JMeter, Java, JavaScript, Cucumber, Gherkin, SQL, 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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2mo

Cyber R&D Engineer

Fort Meade, Maryland, United States

$117k-$243k/yr OnsiteFull Time

Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to US federal agencies.

5+ YOEBS in Computer Science or Engineering; 5 years of direct relevant experience; 5 years in Windows/Linux; proficiency in C, C++, Python, Java/Javascript, Bash, Rust, Assembly.

C, C++, Python, Java, JavaScript, Bash, Bourne Shell, Rust, Assembly, GDB, Valgrind, LLDB, IDA Pro, Ghidra, SCons, SIEM

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Solutions Engineer

Reston or San Diego or San Francisco or Washington or Wilmington or Phoenix or Los Angeles or Houston or Boston or Austin or Atlanta or Raleigh or Baltimore or New York or Dallas or Palo Alto or Short Hills or Minneapolis or Chicago or Seattle or Philadelphia or Miami

$101k-$160k/yr HybridFull Time

DLA Piper: Global law firm providing legal and commercial advisory services.

5+ YOEEmbedded Solutions Engineer to translate stakeholder needs into backlog-ready requirements and user stories; collaborate with PE and IT; 5+ years' experience.

Microsoft 365, Power Platform, SharePoint, Workflow automation, AI tools, APIs, Graph, SQL, Python, PowerShell, JavaScript, TypeScript, Java, Go, REST/JSON

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Database Engineer/Oracle Database Administrator - CLEARANCE and POLYGRAPH REQUIRED

Annapolis Junction or Fort Meade

$175k-$230k/yr OnsiteFull Time

Constellation Technologies: Provides engineering and cybersecurity services to federal government agencies.

10+ YOEUS citizen with TS/SCI clearance and polygraph; 10+ years database experience; Oracle and NoSQL DB experience; Bachelor's degree or higher; strong SQL/PLSQL, scripting (JavaScript, Bash/Unix, Perl, Python)

Oracle, SQL, PL/SQL, NoSQL, PostgreSQL, MongoDB, JavaScript, Bash, Linux, Perl, Python, Java, ETL, Cassandra, Agile

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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: Consulting and technology services for government and commercial clients

3+ YOE3+ years managing SharePoint; Power Platform development; coding basics; process improvement; secret clearance; HS diploma with 15+ years analytics, or a degree with 8+ years, or Masters with 5+ years.

Power Platform, Power Apps, Power BI, SharePoint, SQL, Python, C#, JavaScript, React, Angular, Node.js, MVC

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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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2mo

Digital Engineer (Wilmington, NC, US, 28405)

Wilmington, North Carolina, United States

$141k/yr OnsiteFull Time

CorningNYSE: GLW: Develops and manufactures specialty glass and ceramic materials.

1+ YOEBS/MS in Computer Science or IT-related field; 1-3 years manufacturing automation/optimization experience; travel about 10%.

Python, C#, HTML, JavaScript, .NET, Flask, Microsoft IIS, Visual Studio, Git, SSRS, SQL, Power BI