41 app developer jobs at 31 companies in Hanover, PA

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 Engineer (Large Scale Web App)
Annapolis Junction, Maryland, United States
OnsiteFull Time
Tiber Technologies: Providing specialized engineering and security services for federal missions.
US citizen with active clearance and polygraph required. Bachelor's in CS/Engineering required. Professional experience with JavaScript, TypeScript, Python, cloud (AWS), DevOps and distributed web applications in secure environments.
JavaScript, TypeScript, Python, AWS, C, C++, gdb, Android
1mo
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Web Developer (WD1)
Laurel, Maryland, United States
OnsiteFull Time
Entegra Systems
Entegra Systems: Provides engineering and intelligence analysis for government missions.
4+ YOEFour years web development experience; Bachelor's degree in a technical field; SharePoint, CSS, JavaScript, HTML; ability to design, develop, troubleshoot, and implement web apps
SharePoint, CSS, JavaScript, HTML, Microsoft Office
3mo
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Business Applications Developer
Harrisburg, Pennsylvania, United States
OnsiteFull Time
Feeser's Food Distributors
Feeser's Food Distributors: Broadline food service distributor serving the Mid-Atlantic region
5+ YOE5+ years development/integration experience; API-driven apps; REST APIs; DB2/SQL Server; C#; PHP; JavaScript; Git.
Microsoft Visual Studio, Visual Studio Code, SQL Server Management Studio, IBM Data Studio, Git
2mo
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Junior Software Engineer
Columbia, Maryland, United States
$115k-$160k/yr OnsiteFull Time
Visionist
Visionist: Provides software engineering and data analytics for national security.
3+ YOE3 years software development, strong Python, production apps, AI concepts, Kafka/Elasticsearch, bachelor’s in technical field.
Python, Kafka, Elasticsearch, PydanticAI, LangGraph, DeepAgents
3w
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ServiceNow Developer
McLean or Tysons Corner or Orlando or Charlotte or Detroit or Mitchell or Boulder or Philadelphia or Miami or Boston or Burlington or El Segundo or Austin or Houston or San Antonio or Columbia or Jacksonville or Lewisville or Salt Lake City or New York City or Fairview Heights or Arlington or Sacramento or Tampa or Beavercreek or Folsom or Chicago or Huntsville or Atlanta or Los Angeles
$113k-$188k/yr HybridFull Time
Guidehouse
Guidehouse: Provides management and technology consulting services to diverse organizations.
3+ YOEUS citizen with ability to obtain Public Trust, bachelor\u0002s degree, 3+ years professional experience, ServiceNow expertise (GRC, SPM, ITSM, App Engine, Scoped Apps), JavaScript/Glide/AngularJS scripting, Flow Designer, IntegrationHub, web services (SOAP/REST), SDLC and Agile experience.
ServiceNow, GRC, SPM, ITSM, App Engine, Scoped Apps, Mid-Server, SOAP, REST, JavaScript, Glide, AngularJS, Flow Designer, IntegrationHub, ServiceNow Automated Test Framework (ATF)
1mo
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Senior Software Engineer
Baltimore, Maryland, United States
$125k-$155k/yr OnsiteFull Time
The Baltimore Banner
The Baltimore Banner: Independent nonprofit digital newsroom serving the Baltimore region.
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
3w
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Software Engineer I
Sparks or Sacramento or Dayton or Hagerstown
$45k-$52k/yr OnsiteFull Time
1 Click Logistics
1 Click Logistics: Provides third-party logistics, warehousing, and e-commerce fulfillment services.
1+ YOEBachelor's in CS/IS or 3 years' equivalent experience; 1–2 years web/app development (JavaScript/CSS) preferred; experience or exposure to ColdFusion, React, MySQL; familiarity with APIs, Git, and Jira; strong communication and problem-solving.
ColdFusion, React, HTML5, CSS3, JavaScript (ES6), Bootstrap, jQuery, MySQL, APIs, webhooks, XML, JSON, CSV, Git, Jira, AWS, Azure, Warehouse Management System (WMS), Electronic Data Interchange (EDI)
1mo
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Full Stack AI Developer (5319)
Hanover, Maryland, United States
$135k-$227k/yr HybridFull Time
SMX
SMX: Providing cloud, cybersecurity, and mission-focused technology solutions to government.
5+ YOE5+ years in full-stack software development; strong React, Python/Node.js; AWS cloud-native apps; AI/ML integration; Secret clearance; CompTIA Security+.
React, Python, Node.js, AWS, Bedrock, CI/CD, DevSecOps
3d
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Sr. Software Engineer (TS/SCI)
Hampton or Annapolis Junction or Alexandria or Chantilly or Washington or Reston or McLean or Herndon or Bethesda or Catonsville or Frederick or Ashburn
$144k-$268k/yr HybridFull Time
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
4+ YOEU.S. citizen with TS/SCI clearance (or immediate DISS eligibility), Bachelor’s degree, 4+ years Python or Java, hybrid cloud/app development, databases, ETL, algorithm design, CI/CD and stakeholder interfacing.
Python, Java, MongoDB, Celery, Azure DevOps, Jenkins, React.js, Node.js, Web API, IBM CPLEX, Gurobi, SPSS, SAS, R, PyCharm, VS Code, Jupyter Notebooks, Pandas, NumPy, Dask, Matplotlib, Seaborn, Plotly, Git, GitHub, GitLab, Docker, Podman
5d
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Senior Software Engineer (Partial Telework)
Columbia or Annapolis Junction
$170k-$230k/yr HybridFull Time
GliaCell Technologies
GliaCell Technologies: Software and systems engineering for the intelligence community.
14+ YOEActive or rein-statable TS/SCI with Polygraph, U.S. citizenship, 14+ years software engineering experience, BS in Computer Science (or substitute), Git/GitLab, Docker, Kubernetes, web app development, CI/CD experience.
Git/Gitlab, Docker, Kubernetes, Docker-compose, React, Java, Go, MongoDB, OpenSearch, CI/CD
2mo
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Sr Software Developer
Fort Meade, Maryland, United States
$174k-$220k/yr OnsiteFull Time
ELEVI Associates
ELEVI Associates: Provides cyber security and IT engineering for federal agencies.
20+ YOEActive FS poly clearance; 20+ years software engineering (or 4+ years with related experience); containerized apps with Kubernetes/Docker; Java REST; Git/Atlassian; Kotlin, Spring, Python, Mongo, NiFi.
Kubernetes, Docker, Java, REST, Git, Atlassian Tools, IntelliJ IDEA, Eclipse IDE, Kotlin, Spring, Python, MongoDB, NiFi, RabbitMQ
2mo
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Software Engineer Level 3
Fort Meade, Maryland, United States
$225k-$240k/yr OnsiteFull Time
Markon Solutions
Markon Solutions: Provides professional program and engineering services to federal agencies.
12+ YOEActive TS/SCI with Polygraph; Bachelor's in Computer Science/Engineering or related field; 12+ years software engineering; strong Angular experience; complex/data-intensive/realtime app development; SDLC knowledge; system design and testing; able to work independently or in a team.
Angular
1mo
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Senior Full-Stack Developer
Annapolis Junction or Washington or Reston
$177k-$211k/yr HybridFull Time
Boeing Intelligence & Analytics
Boeing Intelligence & AnalyticsNYSE: BA: Delivers intelligence, analytics, and cyber solutions for national security.
18+ YOETS/SCI with CI Polygraph required; 18 years software/systems engineering experience (degree substitutions allowed). Experience leading teams, frontend with JavaScript/TypeScript, Linux web apps, PostgreSQL, Git/CI/DevOps.
Drupal, JavaScript, TypeScript, Linux, PostgreSQL, Git, Elasticsearch, PHP, Vue, Angular, React
1mo
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Software Engineer 2
Annapolis Junction, Maryland, United States
OnsiteFull Time
RealmOne
RealmOne: Provides advanced technology services for national security agencies.
4+ YOEBachelor's in CS (or 4 years SWE experience), 4+ years IT application systems experience, 2+ years customizing ServiceNow apps, 8570 IAT Level II, active security clearance with polygraph, ServiceNow/JavaScript/HTML/CSS proficiency.
ServiceNow, Flow Designer, JavaScript, HTML, CSS, ITSM, ITOM, CSM, HRSD, Service Portal, Jira, Hybrid Compute Initiative (HCI)
1mo
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Mid-Level Software Engineer
Annapolis Junction, Maryland, United States
$70k-$190k/yr OnsiteFull Time
Belay Technologies
Belay Technologies: Provides specialized technology and engineering services to the DoD.
14+ YOETS/SCI with polygraph required; 14+ years web/app experience; full SDLC experience; AWS, Jira, Confluence, Git; Java, C++, or Python; relational DB experience (e.g., PostgreSQL).
Amazon Web Services, Jira, Confluence, Git, Java, C++, Python, PostgreSQL
1w
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Senior Software Engineer- Hybrid
Columbia, Maryland, United States
HybridFull Time
Envision Innovative Solutions
Envision Innovative Solutions: Provides technical engineering and mission support to government agencies.
14+ YOEActive TS/SCI with Full Scope Polygraph; 14+ years experience with a bachelor’s (18+ without); experience with web apps, containers, microservices, MongoDB, OpenSearch, Git/GitLab, Kubernetes/Docker, CI/CD.
React, Java, Go, REST, MongoDB, OpenSearch, Git, GitLab, Docker, Kubernetes, CI/CD
4d
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Software Engineer Level 2
Annapolis Junction, Maryland, United States
OnsiteFull Time
Base-2 Solutions
Base-2 Solutions: Delivers engineering and technology services for national security.
14+ YOEActive TS/SCI with Full Scope Polygraph, 14 years software engineering experience, Bachelors in Computer Science or related, experience with Terraform, AWS, C++, Python or Golang, AI/ML and GPU-enabled high-performance apps.
Terraform, AWS, C++, Python, Golang
1mo
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Senior Software Engineer-Internal Tools
Arlington or Clarksburg
$125k-$140k/yr OnsiteFull Time
Forterra
Forterra: Develops autonomous ground vehicle systems and software for defense.
3+ YOE3+ years software engineering; experience with Rust or strong systems languages, TypeScript/React, Linux, Docker, CI/CD, scripting (Bash/Python); ability to debug across app, OS, and network layers.
Rust, C, C++, Go, TypeScript, React, Linux, Docker, GitLab CI, Jenkins, Bash, Python, Tauri, Ansible, Jetson, Orin, ARM64, AWS, S3, IAM, EC2, Conan
1w
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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
3mo
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Node-React Full Stack Web Application Developer - DHA
Woodlawn, Maryland, United States
$102k-$133k/yr OnsiteFull Time
Social Security Administration
Social Security Administration: Administers federal social insurance and financial assistance programs.
Experience building web apps with React.js or Node.js RESTful APIs; SQL/NoSQL databases; Git; unit and integration tests; 52 weeks of specialized IT experience at GS-11 level.
React, Node.js, RESTful APIs, SQL, NoSQL, Git, Bitbucket