32 app developer jobs at 20 companies in Halfway, MD
2w
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Junior Application Developer
Denver or Springfield or Sterling or St. Louis
$53k-$106k/yr OnsiteFull Time
0+ YOEBachelor's or equivalent, 0–3 years development experience, experience with Java and/or Python, familiarity with web apps and relational databases, TS/SCI clearance with polygraph required.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Git, CI/CD, containerization
5d
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Senior Frontend Developer
Ashburn, Virginia, United States
$115k-$190k/yr HybridFull Time
7+ YOEExpert Java (Java 8+) developer with Spring/Microservices, ORM/SQL, web/app server and build-tool experience, CI/CD, agile tools (Jira/Confluence), and active US Top Secret suitability; mentor junior developers.
Java, Java 8, Spring, Spring Boot, Hibernate, Oracle, MySQL, Postgres, SQL, Tomcat, WildFly, WebLogic, Maven, Gradle, Bamboo, BitBucket, Git, Atlassian Jira, Confluence, Eclipse, Jupyter Notebook, Apache Zeppelin, Hadoop, Spark, Impala, Elasticsearch, Solr, AWS EC2, AWS RDS, AWS S3, Cassandra, MongoDB, DynamoDB, Jenkins, Unix, Linux, shell scripting
1w
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Cyber Software Engineer
Arlington or Sterling
$77k-$163k/yr OnsiteFull Time
4+ YOEU.S. citizen with active Secret clearance,4+ years apps development,Python and Linux experience,knowledge of secure SDLC,containerization,CI/CD,IaC and COTS integration.
Openshift, RHEL, Alma, Docker, Python, Kubernetes, Redshift, Ansible, Terraform, Git-CI, Cloudformation, JSON, MongoDB, MinIO, Vue.js, React, HTML, AWS, Podman, CI/CD, Linux
2mo
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Full Stack Developer
Ashburn, Virginia, United States
OnsiteFull Time
5+ YOEBachelor's in CS or related and 5+ years technical experience; 5+ years Java/JEE and Java web app development; Spring Boot, REST, RxJS, TypeScript, RDBMS/SQL, JPA/Hibernate, Angular, HTML/JavaScript/CSS; familiar with AWS.
Java, JEE, Spring Boot, REST web services, JUnit, Angular, RxJS, TypeScript, XML, JSON, RDBMS, Oracle, PostgreSQL, SQL, JPA/Hibernate, HTML, Javascript, CSS, AWS, Eclipse, Visual Studio Code, NoSQL
1mo
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Application Developer- Frontend
Herndon, Virginia, United States
$140k-$175k/hr OnsiteFull Time
3+ YOEBachelor's in CS/Software Engineering/STEM, 3+ years developing web apps with Angular and TypeScript, experience with Angular migrations, JavaScript proficiency, Agile experience, active Top Secret clearance and U.S. citizenship required.
Angular, TypeScript, JavaScript, Java, Python, Scaled Agile Framework (SAFe)
2mo
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Power Platform Developer, Senior
Rockville, Maryland, United States
$87k-$198k/yr HybridFull Time
5+ YOE5+ years developing Canvas and model-driven apps with Dataverse, Power Automate, PowerApps, SharePoint Online; experience with Agile, Jira/Visual Studio, SQL Server; Bachelor’s in CS and Microsoft certification; Public Trust required.
Canvas, model-driven apps, Dataverse, Power Automate, SharePoint Online, PowerApps, Jira, Visual Studio, SQL Server, Copilot, Power Query, DAX, Power BI, Azure API Apps, Azure Logic Apps, Azure Functions, REST
3w
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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
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
1w
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Full Stack Engineer
Herndon, Virginia, United States
HybridFull Time
5+ YOE5+ years across data engineering and full-stack development; strong Python and SQL; ETL/ELT, API and web app experience; bachelor's degree required; ability to obtain Secret clearance; familiarity with CMMC/NIST practices.
Python, SQL, ETL/ELT, CI/CD, CMMC, NIST 800-171
2mo
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KD Applications Developer
Herndon, Virginia, United States
OnsiteFull Time
8+ YOEActive Top Secret/SCI clearance with polygraph; 8-10 years web app experience; Angular/React; Linux; cloud (C2S/AWS); ETL; microservices; OO languages; BS in CS or related field.
Angular, React, JavaScript, Python, Linux, Docker, Kubernetes, Jira, Confluence, GitHub, AWS, Azure, OpenSearch, ElasticSearch, SQL, PostgreSQL, Spring, ETL tools, Tableau
1mo
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Java Web Developer (Angular)
Sterling, Virginia, United States
$130k-$150k/yr OnsiteFull Time
4+ YOEBachelor's in CS or related, 4+ years software development with 4+ years Java, 2+ years MuleSoft, web apps/APIs, relational DB design, front-end with HTML/CSS/Bootstrap/Angular/jQuery/TypeScript, familiarity with AWS (ECS, RDS, MKS) and Entity Framework; US Public Trust clearable (US citizen/PR or authorized with 3+ years US residence).
Java, MuleSoft, HTML, CSS, Bootstrap, Angular, jQuery, TypeScript, AWS, AWS ECS, AWS RDS, AWS MKS, Entity Framework, PostgreSQL, Oracle, JSON, XML, XSLT, Docker, Jenkins
2mo
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Software Development Engineer, Amazon Foundational Security Services, Amazon Foundational Security Services (AFSS)
Herndon, Virginia, United States
$144k-$194k/yr OnsiteFull Time
3+ YOE3+ years software development, design/architecture experience, multi-tier distributed apps, C#/C++/Java/Perl, OO design, Bachelor's degree.
C#, C++, Java, Perl
3d
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OpenText Content Server Developer
Rockville, Maryland, United States
$87k-$198k/yr OnsiteFull Time
2+ YOERequires 2+ years with OpenText Content Server, OScript, workflows, forms, Web Services, APIs, enterprise integrations, documentation, secure environments, and SQL; must obtain Public Trust eligibility.
OpenText Content Server, OScript, SOAP, REST, APIs, middleware, enterprise service bus, WebReports, SmartUI, REST API, SAML, OAuth, LDAP, SQL, Oracle, SQL Server, AppWorks, Core Share, Extended ECM, Documentum, Azure, AWS, GovCloud, Microsoft Edge, Google Chrome, Mozilla Firefox, Apple Safari, Opera Browser, Blackberry Browser
1mo
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Senior Software Engineer-Internal Tools
Arlington or Clarksburg
$125k-$140k/yr OnsiteFull Time
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
2mo
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Senior ServiceNow Developer
Herndon, Virginia, United States
OnsiteFull Time
6+ YOE6+ years software development; 3+ years ServiceNow implementation; 1+ year ServiceNow portal customization; DHS Public Trust; ServiceNow Admin cert; strong App Engine and scripting skills; data migration and Agile/Scrum experience.
ServiceNow, App Engine, Portal customization, Agile/Scrum
1w
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Software Quality Assurance (SQA) Specialist / App Tester
Herndon, Virginia, United States
$130k-$260k/yr OnsiteFull Time
Active TS/SCI with Full Scope Polygraph; strong Java automation and Selenium WebDriver experience; SQL data validation across Oracle/Postgres/MySQL; Linux and IDE proficiency; test plan and automation development skills.
Selenium WebDriver, Java, Oracle, Postgres, MySQL, IntelliJ, Eclipse, NetBeans, Linux, Bash, vi, JMeter
3mo
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Database Engineer
Herndon, Virginia, United States
$112k-$179k/yr OnsiteFull Time
8+ YOEBachelor's+8y or Master's+6y or PhD+3y; Postgres/SQL; app deployment; Agile/AWS/RDBMS/Elasticsearch/Linux; DoD IAT II; TS/SCI with poly.
PostgreSQL, SQL, Elasticsearch, Linux, AWS
1w
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Systems Engineer
Ashburn, Virginia, United States
$100k-$120k/yr OnsiteFull Time
1+ YOEBA/BS in CS/IS/Engineering/Business,1+ years IT/system support experience,ITIL experience,experience with Auto Ops,App Dynamics,Splunk,AWS,excellent communication;must hold CBP suitability background investigation.
Auto Ops, App Dynamics, Splunk, AWS
5d
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Junior Azure DevOps Engineer/Network Engineer
Herndon, Virginia, United States
$90k-$115k/yr HybridFull Time
3+ YOE3+ years IT experience with Azure stack, implementing DevSecOps and container technologies, experience with code security tools and cost optimization, CompTIA Security+/CISSP (DoD 8570), and bachelor’s in Computer Science or related.
Azure, App Services, Data Services, Functions, Fortify, SonarQube, CAST, Azure DevOps, TFS, Git
1w
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Building Engineer | Montgomery County
Montgomery County, Maryland, United States
$28-$33/hr FieldFull Time
2+ YOE2+ years commercial maintenance experience across multiple trades, clean driving record, smartphone and work-order app proficiency, able to troubleshoot HVAC/plumbing/electrical/carpentry, available for on-call rotation.
3w
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Manufacturing Engineer II - Life Sciences
Gaithersburg, Maryland, United States
$82k-$127k/yr OnsiteFull Time
1+ YOEBachelor's in engineering, 1+ years manufacturing experience, project management and NPI experience, CAD/SolidWorks and programming knowledge (Python, Power Apps) preferred, continuous improvement certification preferred.
SolidWorks, Python, Power Apps, ISO13485
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