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Java Developer Jobs in Mountville, PA, US
98 java developer jobs from 53 companies hiring in Mountville, PA, US.
1mo
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Java Developer
Aberdeen Proving Ground, Maryland, United States
HybridFull Time
ASM ResearchNYSE: ACN: Provides IT and healthcare services to government agencies.
2+ YOEBachelor's in CS/IS or related field; 2+ years programming/web development; Active Final Secret security clearance
Java, J2EE, Spring, Eclipse, JUnit, Git, HTML, JSP
2w
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Embedded Java Display Engineer (New Holland, PA, US)
New Holland, Pennsylvania, United States
$84k-$113k/yr OnsiteFull Time
3+ YOEBachelor's in CS/EE or similar; 3+ years Java and embedded software experience.
Java, Android Studio, Embedded Software, CAN, UDS, SAE J1939
2w
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Software Engineer, I - Java
Fort Washington, Pennsylvania, United States
$90k-$100k/yr RemoteFull Time
2+ YOETwo+ years in Java 17+/Spring Boot; experience with React; healthcare IT standards; AI tools Claude; remote work; bachelor's degree or equivalent.
Java, Spring Boot, React, Delphi, Python, MySQL, MongoDB, Claude, AWS, Git, Subversion, REST, FHIR, HL7, CCDA, X12, Networking
1w
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Applications Development Java Programmer – Assistant Vice President
New Castle, Delaware, United States
$107k-$161k/yr HybridFull Time
5+ YOE5+ years Java development with cloud experience; expert Java, API design; REST APIs with Spring/Spring Boot; Oracle/SQL/NoSQL; OpenShift, Kubernetes; MQ/Kafka; SDLC/Agile; DevOps/CI/CD; leadership and autonomous work.
Java, Spring, Spring Boot, OpenShift, Kubernetes, MQ, Kafka, Oracle, SQL, NoSQL, REST, APIs, CI/CD
2mo
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Lead Software Engineer - Java/Python/Kafka/AWS
Newark, Delaware, United States
OnsiteFull Time
5+ YOE5+ years experience in software engineering; Masters or Bachelors in Computer Science or equivalent; proficient in Java/Python; experience with streaming/batch processing and AWS; strong with CI/CD and Agile; problem solving and collaboration.
Java, Python, Kafka, AWS, Spark, EMR, MongoDB, DynamoDB, Iceberg, React, Terraform, S3, Lambda, Jupyter, Databricks, Delta tables, Jenkins
9h
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AWS Lead Software Engineer-Full Stack/Java/SpringBoot/React
Newark, Delaware, United States
OnsiteFull Time
5+ YOE5+ years experience in software engineering; Java, Spring Boot, React; AWS services; SQL; SDLC; architecture and leadership exposure.
AWS, Java, Spring Boot, React, Terraform, SQL, GitHub Copilot, Apache Airflow, Datadog, Python
2mo
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Software Developer
Aberdeen Proving Ground, Maryland, United States
$108k-$228k/yr OnsiteFull Time
3+ YOE3-5 years of software development experience; Java; Spring Framework; relational databases; CI/build tools; version control; Bachelor’s in CS/Engineering; ability to obtain Secret clearance.
Java, Spring Framework, Spring Boot, Spring MVC, Spring Data, Relational Databases, CI Tools, Version Control, Docker, Kubernetes, Cloud Platforms, GWT, JSF, Vaadin, Wicket, GWT, AWS, Azure, Google Cloud
3w
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AI Agentic Software Engineer
West Chester, Pennsylvania, United States
HybridFull Time
2+ YOE2+ years full-stack development; .NET or Java; React; REST APIs; AI exposure.
React.js, .NET, Java, REST APIs, GitHub Copilot
1w
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Application Engineer - IV
Malvern, Pennsylvania, United States
OnsiteFull Time
8+ YOEEight years of related experience with strong development skills; in-office five days; proficiency in AWS, Python, Java; troubleshooting and production support.
AWS, Python, Java, MS Office programming tools
1mo
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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
3w
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Journeyman Software Developer
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
4+ YOEBachelor's in CS/Engineering with 4 years experience or 6 years related software development experience; US citizenship; SECRET clearance; proficiency in Python, C++, Java, C#; CI/CD; DoD/C-UAS experience preferred.
Python, C++, Java, C#, CI/CD, containerization, microservices, cloud
1mo
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Mulesoft Developer
Malvern or Remote
RemoteFull Time
4+ YOE4+ years MuleSoft development; design, develop, test, deploy MuleSoft integrations; Salesforce and ERP experience; API-led design; MuleSoft certifications.
MuleSoft Anypoint Platform, RAML, DataWeave, Anypoint Studio, Java, XML, JSON, SQL, Salesforce REST, Salesforce SOAP, Salesforce Bulk API, Salesforce Platform Events, Splunk, CloudHub, API Manager, runtime monitoring
1w
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Senior Software Applications Developer
West Chester or United States or North America
RemoteFull Time
4+ YOEBachelor’s degree in Computer Science; 4+ years software development; experience with Java, Python, C#; CI/CD tools like Jenkins, GitLab, TeamCity; software design, testing, and automation.
Java, Python, C#, CI/CD, Version Control, Bug Tracking, Automation Frameworks
2mo
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Senior Software Developer (Secret Clearance Required)
Aberdeen, Maryland, United States
HybridFull Time
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
3w
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Software Engineer II/III
Hunt Valley, Maryland, United States
$88k-$167k/yr OnsiteFull Time
2+ YOEBachelor’s or Master’s in CS/CE with 2+ years experience; C/C++ or Java; shell scripting; Unix-based development; OOAD/OOD; Jira/Git/Mercurial familiarity; travel up to 20%; eligible for Secret clearance.
C++, Java, Shell Scripting, Unix, Jira, Git, Mercurial, OOA/OOD, REST API, CSS, JavaScript, TypeScript, SQL, NoSQL
4w
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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
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
1mo
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Data Developer Intern
Exton, Pennsylvania, United States
$52k-$78k/yr HybridInternship
Pursuing a Master’s in CS/Software Eng; strong Java or Python; SQL; cloud basics; Agile; data/ETL interest.
Java, Python, SQL, AWS, Azure, GCP
1w
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Software Engineer
Alexandria or Edgewood
HybridFull Time
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
1mo
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Senior Software Engineer - Developer Services
Owings Mills, Maryland, United States
$121k-$206k/yr HybridFull Time
5+ YOESenior software engineer with 5+ years experience, strong Java or Python, AWS (IAM, Lambda, ECS/Fargate, S3, DynamoDB), microservices, REST APIs, Terraform, Docker, CI/CD, and identity systems (OAuth2/OIDC/JWT, ADFS).
Python, Java, AWS, Terraform, Docker, JSON, YAML, OAuth2, OIDC, JWT, ADFS
1w
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103Q - Lead Software Development Engineer - Flex Location
Parsippany or Atlanta or Mahwah or Louisville or Timonium
$121k-$225k/yr HybridFull Time
Lead AI engineer with hands-on software development, experience with Generative AI, GitHub Copilot, and DX tooling; strong Python/Java/C# background; familiar with large-scale enterprise environments.
Python, Java, C#, GitHub Copilot, Microsoft Copilot Studio, Power Platform, LLMs, Embeddings, RAG
2mo
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Software Developer (55390)
Aberdeen, Maryland, United States
$100k-$110k/yr OnsiteFull Time
10+ YOEBachelor's degree and 10+ years in software development; DoD experience preferred; US citizen with active secret clearance.
Java, Python, C#, JavaScript
2w
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Senior Software Developer
Richmond or Baltimore or Nashville or Mechanicsburg or Raleigh
$105k-$145k/yr HybridFull Time
5+ YOESenior software developer with 5+ years of experience in full-stack design and geospatial applications.
SQL, C#, Java, Python, HTML, CSS, JavaScript, ASP.Net Core, Angular, React, Vue.js, Esri software
1d
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.NET Developer Intern
Nottingham, Maryland, United States
$18-$21/hr OnsiteInternship
0+ YOECurrently enrolled in a post-secondary program; pursuing Computer Science, Software Engineering, Information Technology, or related field; experience with HTML, JavaScript, CSS, Vue3, C, Java; willing to learn; proficient with Microsoft Office; able to collaborate and have reliable transportation.
HTML, CSS, JavaScript, Vue, Vue3, C, Java, .NET
1mo
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Senior Developer (Newtown Square, PA, US, 19073)
Newtown Square, Pennsylvania, United States
$153k-$196k/yr OnsiteFull Time
4+ YOEBachelor's or Master’s in CS/Data Science with 4–6 years of related experience; strong Java/Python, frontend, and devops skills.
Java, Python, HTML, CSS, AngularJS, Sonar, JUnit, Sahi, SOAP, REST, SQL, SCM, Jira, CI/CD, Machine Learning
1mo
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Software Engineer - Level II
Aberdeen Proving Grounds, Maryland, United States
$86k-$150k/yr OnsiteFull Time
3+ YOEUS citizen; Secret clearance; degree with experience in software development and SDLC.
Java, C++, Python, JavaScript, Git, TCP/IP
3w
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Senior Software Engineer
Aberdeen, Maryland, United States
$140k-$225k/yr HybridFull Time
7+ YOE7+ years software engineering experience; BS in CS/CE/EE; strong C/C++/Java/Python; CUDA; Docker; REST APIs; TS/SCI clearance; willing to travel; hybrid in Aberdeen, MD.
C, C++, Java, Python, Shell Scripting, Google Protocol Buffers, HTTP REST APIs, Docker, RPMs, CUDA
3w
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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
2mo
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Lead Software Engineer (Wealth Management)
Kansas City or Colorado Springs or Owings Mills
HybridFull Time
8+ YOE8+ years of progressive software engineering with leadership; wealth management SaaS experience; strong Java/Spring Boot and Vue.js frontend; automated testing; SDLC leadership.
Java, Spring Boot, REST APIs, Vue.js, Automated testing, CI/CD, Cloud (AWS)
3w
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Software Developer - Front-Office Trading ( AVP
Burlington or Boston or Stamford or Clifton or Princeton or Berwyn
$90k-$158k/yr OnsiteFull Time
5+ YOEJava and C# programming; XML/WS; ETL tools; database knowledge; travel 50-80%; financial services/consulting experience preferred.
Java, C#, XML, Web Services, ETL, Kettle, Talend, Tomcat, Perforce, Oracle, MS SQL Server, Perl, Crystal Reports, SQL Server Reporting Services, MQ Series, MSMQ, SonicMQ, Open JMS, Kafka, XML/XSLT
3w
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Staff Software Engineer - Amazon Connect REMOTE
Frisco or Overland Park or Danbury or Franklin or Coral Gables or Tampa or Alpharetta or King of Prussia or Chicago or Boston or Birmingham or New York City or Lake Mary or Charlotte or Houston or Sunrise or Hartford or San Antonio or Alexandria or Independence or Hunt Valley
$116k-$174k/yr RemoteFull Time
8+ YOE8+ years in software development and cloud computing; extensive AWS experience; AWS certification required; Bachelor's degree in CS/IT or related field.
AWS, Amazon Connect, AWS Lambda, API Gateway, DynamoDB, EventBridge, CloudWatch, SQS, KMS, S3, Terraform, Node.js, Python, Java
4d
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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
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
1mo
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IT Software Developer
Lancaster, Pennsylvania, United States
$70k/yr RemoteFull Time
2+ YOE2-3 years relevant experience; solid C#, .NET, JavaScript frameworks (Vue/Angular); REST APIs; SQL; Azure DevOps; Visual Studio; remote opportunity.
C#, .NET, Web API, HTML, JavaScript, Vue JS, Angular JS, CSS, T-SQL, Azure DevOps Git, Visual Studio, Visual Studio Code, xUnit, Quasar Framework, Angular Material, Microsoft IIS, iOS, Android, JAVA
3w
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DevSecOps Engineer
Auburn or Aberdeen
OnsiteFull Time
1+ YOEBachelor’s degree or higher in engineering or computer science; DevSecOps experience; DoD/STIG familiarity; containerization; CI/CD; security tooling; US citizenship.
GitLab, AWS, Azure, Docker, Kubernetes, Rancher, Helm, Bash, Go, C++, Java, Unix
2w
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Full Stack Software Engineer, Lead
Fort Meade or Annapolis Junction
$113k-$257k/yr OnsiteFull Time
14+ YOESenior full stack developer with experience in C++, scripting languages, CI/CD, containers, and distributed systems; TS/SCI with polygraph; Bachelor's degree and 14+ years of experience (or 18+ years without degree).
C++, Java, JavaScript, Python, Bash, Git, CI/CD, Jenkins, GitLab CI, Bamboo, Ant, NetBeans, Eclipse, Docker, Kubernetes, Red Hat, GNU Radio, Redhawk, MySQL, PostgreSQL, SQLite
3w
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Mid-Level Software Engineer
Hanover, Maryland, United States
$115k-$190k/yr OnsiteFull Time
7+ YOEActive TS/SCI with poly, U.S. citizenship, 7 years SWE exp, BS in CS or related, 4 years extra SWE exp for degree, strong communication.
AWS, Java
6d
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Full Stack Engineer
Baltimore or Windsor Mill
$111k-$145k/yr RemoteFull Time
5+ YOEExperience building full-stack web apps with JavaScript; 5+ years with BS, 3+ with MS; U.S. work authorization.
JavaScript, Python, Java, React, Angular, Vue, PostgreSQL, Redshift, Git, NPM, Webpack, Jest, Sinon, Enzyme, Jenkins
2mo
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Senior Software Engineer
Mechanicsburg or Yorktown
RemoteFull Time
7+ YOEDOD Secret clearance required; Security+ certification; Bachelor’s degree with 7+ years’ experience; experience with microservices, containers, CI/CD, and Agile/SAFe.
Java, Spring Boot, Linux, JavaScript, TypeScript, Vue.js, React, HTML, CSS, Axios, Maven, JUnit, Docker, Docker Compose, REST, SOAP, CI/CD, Jira, Azure DevOps, GitLab, SAFe, Agile, API Design and Management, Microservices, Cloud (AWS), Testing (unit, integration, functional, E2E, 508)
3w
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Web Test Engineer
Aberdeen Proving Ground, Maryland, United States
RemoteFull Time
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
1mo
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Lead Software Engineer
Malvern, Pennsylvania, United States
HybridFull Time
10+ YOE5+ Mgmt10+ years leading omni-channel platforms; BS in Computer Science or related field; strong DevOps, REST, cloud, microservices; proficiency in multiple languages; databases; CI/CD; project tools.
Ruby, Rails, C# .Net, Python, Java, JavaScript, NodeJS, Rust, MongoDB, Postgres, Oracle, SQL Server, DB2, REST, SFTP/FTP, OAuth1, OAuth2, OIDC, TLS, SSH, CI/CD, JIRA, Azure DevOps, AWS, RabbitMQ, Kafka, Redis, Memcached, Hazelcast, Kubernetes, GitOps, Microservices, Cloud
1mo
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Software Systems Engineer Senior
Aberdeen, Maryland, United States
$116k-$262k/yr OnsiteFull Time
10+ YOESenior software systems engineer with 10+ years in the software lifecycle, TS/SCI clearance, leading contractor teams, RF architectures, EW/SIGINT, and MOSA; Bachelor's in CS or Software Engineering.
Java, Python, C++, MOSA, AWS, Azure, containerization, microservices, CI/CD, Scrum, Kanban, APIs, Databases, Cybersecurity
HiringCafe market data
Java Developer Jobs market signals in Mountville, PA, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
98
Hiring companies
53
Fresh sample
62% new in 30d
Salary visibility
67% show pay
Companies appearing in this market
T. Rowe PriceCACIJPMorgan ChaseParsonsTextronVanguardDataPathState Street
Work location mix in visible results
Onsite: 32Hybrid: 19Remote: 9