25 app developer jobs at 20 companies in Cecilton, MD
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API Developer (Senior)
Baltimore, Maryland, United States
OnsiteFull Time
3+ YOEBachelor's in CS or related field (or 5 years' equivalent),3+ years computer experience,1+ year web/app development experience; knowledge of HTML,CGI,PERL,Javascript,Java,cloud and Salesforce.
HTML, CGI, PERL, Javascript, Java, Salesforce
1w
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Sr. Systems Engineer, ICM App Lead
Aberdeen Proving Ground, Maryland, United States
$150k-$195k/yr OnsiteFull Time
15+ YOE15+ years related experience, bachelor’s degree in engineering or related field, active Top Secret/SCI clearance, DoD systems engineering experience, strong technical and communication skills.
2mo
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Senior Software Engineer
Baltimore, Maryland, United States
$125k-$155k/yr OnsiteFull Time
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
1w
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Junior Geospatial Developer
Chestertown, Maryland, United States
$54k/yr OnsiteFull Time
Experience integrating spatial data into web apps, API or automation scripting, familiarity with JavaScript, Python, and cloud backends; willingness to learn server deployment and mentor interns.
JavaScript, Python, Firebase
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
2mo
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Principal Software Engineer
Annapolis Junction, Maryland, United States
$215k-$250k/yr OnsiteFull Time
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
2mo
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Software Engineer - Senior (contingent 045)
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
Systems Products and Solutions: Provides logistics and technical services to defense agencies.
7+ YOESenior software engineer with DoD biometric systems experience; security clearance required; Agile/DevSecOps; Android apps; cybersecurity.
Android, DevOps, DevSecOps, CI/CD, Security testing, Encryption
1mo
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Full Stack Java/Cloud Developer - Assistant Vice President
New Castle, Delaware, United States
$107k-$161k/yr HybridFull Time
5+ YOE5+ years apps development experience with Java EE, Spring, SQL, JavaScript/React; familiarity with Azure/AWS, CI/CD, Git, Maven, Oracle; Bachelor's in CS or equivalent experience.
Java EE, SQL, Spring, JavaScript, Bootstrap, ReactJS, Azure, AWS, CI/CD, Git, Oracle, Maven
1w
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Power Apps Developer - Clearance Required
Crystal City or Aberdeen
$160k/yr HybridFull Time
3+ YOEActive Secret clearance preferred, 3+ years SharePoint and Power Platform development, .NET/C#/PowerShell proficiency, SQL Server knowledge, Bachelor's degree in CS/IT, strong communication and problem-solving skills.
Microsoft SharePoint, Power Platform, Microsoft Power BI, Microsoft Power Apps, Microsoft Power Pages, Microsoft Power Automate, .NET, C#, PowerShell, SQL Server, Vantage
1mo
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Test Automation Engineer(Web)
Alexandria or Aberdeen or Picatinny
HybridFull Time
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
2w
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Lead Cortex AI Engineer
Owings Mills, Maryland, United States
$125k-$135k/yr OnsiteFull Time
8+ YOEHands-on Snowflake AI Data Cloud and Snowflake Cortex experience, 2+ years building LLM/agentic apps, 3+ years Python, AWS familiarity preferred, bachelor's in computer science, strong communication and analytical skills.
Snowflake AI Data Cloud, LLMs, Snowflake Cortex, Python, AWS
1w
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Sr. Full Stack Engineer
Baltimore, Maryland, United States
$135k-$186k/yr RemoteFull Time
8+ YOE8+ years relevant experience (or 6+ with Master’s) building full-stack web apps with SQL and Python, AWS deployment/monitoring, RESTful APIs, CI/CD, and secure coding; must be U.S. eligible for Public Trust.
SQL, Python, AWS, PostgreSQL, Aurora, S3, Secrets Manager, SSM, Jenkins, AWS CloudWatch, Splunk, RESTful APIs
3mo
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Software Engineer III
Annapolis Junction, Maryland, United States
HybridFull Time
Quevera: Software engineering and cloud solutions for government and defense.
20+ YOEBackend software engineer level 3 with 20+ years web/app dev or 24 years without a degree; JS/React/Angular/Vue; Java/C++/VB.NET; HTML/CSS/Python/Perl/Ruby; REST APIs; SDLC; leadership; TS/SCI Poly clearance; Linux scripting; Git/Maven; Jira/Confluence.
React, Angular, Vue, Java, C++, VB.NET, HTML, CSS, Python, Perl, Ruby, REST, Tomcat, NodeJS, Linux scripting, Git, Maven, Jira, Confluence
3mo
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Lead Software Engineer - Java Full Stack & AWS
Wilmington or Columbus
OnsiteFull Time
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
1mo
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Lead Data Engineer (Bank Tech)
New York City or Wilmington
$179k-$246k/yr OnsiteFull Time
4+ YOEBachelor's degree, ≥4 years application development, ≥2 years big data technologies, ≥1 year cloud (AWS/Azure/GCP); preferred: 7+ yrs app dev, cloud and distributed systems, streaming, NoSQL, data warehousing, UNIX/Linux, Agile.
Java, Scala, Python, SQL, Redshift, Snowflake, MapReduce, Hadoop, Hive, EMR, Kafka, Spark, Gurobi, MySQL, Mongo, Cassandra, UNIX, Linux, AWS, Microsoft Azure, Google Cloud
3w
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Business Intelligence Developer
Aberdeen Proving Ground, Maryland, United States
$105k-$125k/yr OnsiteFull Time
Dynamo Technologies: Delivers IT and digital transformation services to federal agencies.
2+ YOE2+ years building BI solutions with Microsoft Power Platform (Power BI, Power Apps), strong SQL, ETL, data modeling, Python/R scripting, troubleshooting, and end-user training.
Microsoft Power Platform, Microsoft Power BI, Microsoft Power BI Service, DAX, Microsoft Power Apps, Python, R, SQL, PostgreSQL, Microsoft SQL Server, HTML, CSS, JavaScript, Microsoft Power BI REST APIs, Microsoft Power Automate, Microsoft Dataverse, Microsoft Power Virtual Agents, Linux, Azure, AWS, Microsoft Office Suite
1w
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Power Apps Developer - Clearance Required
Crystal City or Aberdeen
$160k/yr HybridFull Time
3+ YOE3+ years SharePoint/Power Platform development experience, bachelor\u0002s degree, proficiency in .NET/C#/PowerShell/SQL Server and Microsoft Power Platform, active Secret clearance required.
.NET, C#, PowerShell, SQL Server, Microsoft SharePoint, Microsoft Power BI, Microsoft Power Apps, Power Pages, Power Automate
1mo
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Quality Assurance Engineer
Annapolis, Maryland, United States
HybridFull Time
4+ YOE4+ years QA experience preferred; bachelor's in CS or related; hands-on manual testing, test documentation, SQL and database testing; experience testing web, mobile, and desktop apps; strong communication and problem-solving skills; familiarity with Confluence, Jira, Postman, Swagger, Figma, and Zephyr.
Confluence, Jira, Postman, Swagger, Figma, Zephyr, SQL, Playwright, Selenium, CI/CD, Git, ASP.NET, C#
2mo
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Javascript - Senior Developers - AI Training - Baltimore, US
Baltimore or United States
$50/hr RemoteContract, Part Time
BS/MS/PhD in CS or related, professional experience building scalable web apps with JavaScript/TypeScript, expert-level JS knowledge (event loop, closures, async), able to solve LeetCode Medium–Hard, and review/execute JS/TS code.
JavaScript (ES6+), TypeScript, React, Node.js, Vue, Angular, Jest, Cypress, Webpack, Vite, GraphQL, RESTful APIs, LeetCode
3w
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Software Development Manager
Hunt Valley, Maryland, United States
$150k-$180k/yr OnsiteFull Time
6+ YOE6+ MgmtBachelor's in computer science or equivalent; 6+ years software development experience in management; 5+ years web/native app development; experience with cloud/desktop apps, multi-platform delivery, strong communication and leadership.
Mac, Windows, Linux
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