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Java Developer Jobs in Lancaster, PA, US
290+ java developer jobs from 70 companies hiring in Lancaster, PA, US.
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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
1mo
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Senior Java Developer
Chicago or Morristown or Wilmington
$79k-$138k/yr HybridFull Time
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
2w
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Sr Java Software Engineer
King of Prussia, Pennsylvania, United States
OnsiteFull Time
7+ YOEBachelor's in CS/Engineering; 7+ years in software development; proficient in Java Spring Boot REST/gRPC; microservices; Docker/Kubernetes; CI/CD; Agile; strong troubleshooting.
Java, Spring Boot, REST, gRPC, Docker, Kubernetes, CI/CD, Linux, OpenTelemetry, Prometheus, Grafana, Kafka
2mo
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Java Software Engineer III
King of Prussia, Pennsylvania, United States
HybridFull Time
Extensive experience in Java and/or JavaScript; strong problem solving; effective communication; eligible for TS/SCI clearance.
Java, JavaScript, Agile, Kanban
2mo
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AWS Lead Software Engineer-Java
Wilmington, Delaware, United States
OnsiteFull Time
5+ YOEFormal software engineering training with 5+ years of practical experience; expert in system design, Java, REST APIs, and CI/CD; strong AWS and SQL/NoSQL knowledge.
Java, SpringBoot, Swagger, SQL, NoSQL, AWS, CI/CD, REST API
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
1mo
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Lead Software Engineer II – Java & Python
Wilmington, Delaware, United States
$100k-$135k/yr RemoteAll Commitments Available
4+ YOE4-6 years of software engineering, strong Java/Python backend, AWS experience, SQL/NoSQL knowledge, CI/CD, Docker, and collaboration skills.
Java, Python, AWS, DynamoDB, RDS, PostgreSQL, DocumentDB, Docker, ECS, EKS, CloudWatch, Datadog, CI/CD
2w
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Lead Software Engineer - Java/ AWS Developer
Wilmington, Delaware, United States
OnsiteFull Time
5+ YOE5+ years hands-on Java/AWS development; strong React/Angular, Spring, Hibernate; AWS deployment; SDLC and CI/CD; agile practices; cloud-native knowledge.
Java, AWS, React, Angular, Spring, Hibernate, JMS, Spring Boot, Aurora PostgreSQL, Splunk, Grafana
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
1w
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Application Developer / Engineer I
Atlanta or Wallingford or Louisville or Tampa or Indianapolis or Miami or Wilmington or Mason or Richmond or Des Moines
HybridFull Time
3+ YOEBA/BS in IT or CS; 3+ years in application/system development; .NET, Java, Angular/React; API development; SQL Server; MongoDB; cloud concepts; on-call support.
.NET, Java, Angular, React, APIs, SQL Server, MongoDB, Cloud
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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Salesforce Senior Developer
Wilmington or Cincinnati or Worthington
$90k-$121k/yr HybridFull Time
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
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
3w
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Associate Database Platform Developer
Wilmington, Delaware, United States
$90k-$110k/yr HybridFull Time
Experience with Python, Perl, or Java; basic SQL and relational databases; software development basics; strong problem solving; team collaboration.
Python, Perl, Java, SQL
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
5d
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Senior Software Engineer
Oaks, Pennsylvania, United States
OnsiteFull Time
5+ YOEFive years of post-baccalaureate experience in application development, cloud-native architectures, microservices, Java/Spring, databases, DevOps, and data streaming.
Java, Spring Boot, Spring MVC, Hibernate, JPA, Oracle, MySQL, SQL Server, MongoDB, Snowflake, Kafka, Git, Docker, Kubernetes, Jenkins, REST, JSON
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
16h
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Software Engineer - Early Career
King of Prussia, Pennsylvania, United States
OnsiteFull Time
0+ YOEBachelor’s degree in computer science or related field; Java development experience; experience with COTS/FOSS integration; ability to navigate Linux/Windows; U.S. citizenship and ability to obtain government security clearance (TS/SCI).
Java, Linux, Windows, COTS, FOSS, Agile, Angular, Oracle, Docker, SQL, Git, DevSecOps, Elasticsearch, Kubernetes, Kinetica, Python, AI/Machine Learning
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
3w
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Vice President, Full Stack Engineer
Berwyn, Pennsylvania, United States
OnsiteFull Time
5+ YOE5-9 years backend software development; Bachelor’s in CS/Engineering; finance experience; Java/Python/Node.js; Oracle DB; strong problem solving.
Java, Python, Node.js, Oracle Database
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
1mo
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Software Engineer, Vertical Lift (Experienced or Senior)
Ridley Park, Pennsylvania, United States
$135k-$232k/yr OnsiteFull Time
5+ YOEBachelor’s in engineering; 5+ years full life-cycle software development; proficiency in C, C++, C#, Python, Java, Ada, Linux; ability to obtain US Secret clearance.
C, C++, C#, Python, Java, Ada, Linux, Git, DOORS, CI/CD
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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Software Engineer - 90402844 - Washington DC, Philadelphia PA or Wilmington DE (US)
Washington or Wilmington or Philadelphia
$72k-$93k/yr OnsiteFull Time
1+ YOEBachelor’s degree or equivalent; 1+ year software engineering; Java, Python, SQL; frontend/backend development; CI/CD and cloud; onsite in DC/DE/PA.
Angular, React, Java, Python, SQL, NoSQL, AWS, Azure, CI/CD
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
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
2mo
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Staff Software Engineer (Secret) {S}
King of Prussia, Pennsylvania, United States
HybridFull Time
5+ YOEBachelor's in CS or related field; 5+ years Java/C#/Python; 1+ year JavaScript/TypeScript; in-office 3+ days/week with potential for more; experience with Java, Spring Boot or Quarkus; SDLC, microservices, RESTful APIs; Agile/Scrum; active Secret U.S. Government security clearance.
Java, C#, Python, JavaScript, TypeScript, Spring Boot, Quarkus, REST, AWS, Azure, Kubernetes
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
2mo
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Senior Software Engineer – Cloud & Full Stack
Wilmington or Columbus
$81k-$114k/yr OnsiteFull Time
6+ YOE6+ years experience in AWS, SQL, React Native, Spring Boot, Java, JavaScript, and MySQL; onsite role in Wilmington, DE or Columbus, OH; no visa transfer.
AWS, SQL, React Native, Spring Boot, Java, JavaScript, MySQL
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
HiringCafe market data
Java Developer Jobs market signals in Lancaster, 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
290+
Hiring companies
70
Fresh sample
54% new in 30d
Salary visibility
58% show pay
Companies appearing in this market
JPMorgan ChaseLockheed MartinCACIFiservParsonsT. Rowe PriceTextronVanguard
Work location mix in visible results
Onsite: 45Hybrid: 26Remote: 5