📣 HiringCafe is hiring a Founding Growth Hacker! Learn More · Apply here
Java Engineer Jobs in Lancaster, PA, US
290+ java engineer jobs from 70 companies hiring in Lancaster, PA, US.
2w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Lead Software Engineer - Java AWS
Wilmington, Delaware, United States
OnsiteFull Time
5+ YOE5+ years Java software engineering; AWS experience; SDLC; agile; CI/CD; security and reliability focus.
Java, Spring, Kafka, AWS, JMeter, Blazemeter, JUnit, Groovy, Postman, REST Assured, Eclipse, Maven, Jenkins, IntelliJ, XML, Web Services, MQ, DB
3w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Systems Engineer (Exton, PA, US, 19341)
Exton, Pennsylvania, United States
$85k-$100k/yr OnsiteFull Time
2+ YOEBS in Systems/Optical/Mechanical/Electrical Eng, CS; 2+ yrs systems engineering; strong communication; Python/C#/Java; production tools experience encouraged.
Python, C#, Java, JIRA/Confluence, Azure, MatLab
2mo
Save
Mark Applied
Hide
Manufacturing Engineer
Limerick, Pennsylvania, United States
OnsiteFull Time
5+ YOEBachelor's or Master's in Mechanical Engineering; 5-10 years in manufacturing engineering; project management experience; Creo and AutoCAD skills; knowledge of manufacturing processes; PLC ladder logic; strong problem solving and communication.
Creo Parametric, AutoCAD, MS Office, PLC ladder logic, VB, C++, Java
2mo
Save
Mark Applied
Hide
Staff Software Engineer (Secret) {S}
King of Prussia, Pennsylvania, United States
OnsiteFull Time
5+ YOEBachelor's in CS or related field; 5+ years Java/C#/Python; 1+ year JS/Typescript; in-office 3+ days/week; Secret clearance; experience with Java frameworks and cloud/native architectures.
Java, C#, Python, JavaScript, TypeScript, Spring Boot, Quarkus, AWS, Azure, Kubernetes, React, Angular, Git, GitLab, Jira, Confluence
2mo
Save
Mark Applied
Hide
Full Stack Developer
Aberdeen, Maryland, United States
$108k-$228k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent experience; 5+ years in full stack development; strong Java, front-end, and database skills; cloud and container tech a plus; Secret clearance (minimum).
Java, Spring Boot, Vaadin, Jakarta EE, HTML, CSS, JavaScript, React, Angular, Vue.js, SQL, MySQL, PostgreSQL, MongoDB, Git, AWS, Azure, Google Cloud, Docker, Kubernetes, CI/CD
1mo
Save
Mark Applied
Hide
RF Network Engineer
Aberdeen, Maryland, United States
$125k-$140k/yr OnsiteFull Time
3+ YOEBachelor's in Electrical/Computer Engineering or Computer Science; 3-5 years of relevant experience; TCP/IP networking; Windows and Linux; documentation skills; willingness to learn; knowledge of wireless technologies a plus; programming experience (Java, Python, C++) a plus; automated testing and lab equipment automation a plus.
TCP/IP, Windows, Linux, Programming (Java, Python, C++), Automated testing, Laboratory instrumentation (test equipment)
1w
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Senior Security Engineer
Owings Mills, Maryland, United States
$121k-$206k/yr HybridFull Time
5+ YOESenior Security Engineer with development focus, AWS, Terraform, IaC, Python/Go/Java, security automation, and collaboration with cloud and engineering teams.
Terraform, AWS, GitLab CI/CD, Python, Go, Java, Policy-as-code, OPA, Trivy
23h
Save
Mark Applied
Hide
Application Engineer - III
Malvern, Pennsylvania, United States
HybridFull Time
5+ YOESenior application engineer with Java, microservices, AWS, test automation, SRE tools, AWS Aurora, Kafka; 5+ years software engineering; DevOps familiarity; API management; cloud/AWS knowledge; bachelor's degree.
Java, Microservices, AWS, Test Automation, SRE Tools, AWS Aurora, Kafka, Bamboo, Bitbucket, Git, GitHub, Glue, ECS, Lambda, AWS S3
3w
Save
Mark Applied
Hide
Junior Computer Scientist/Engineer
Aberdeen, Maryland, United States
$75k-$131k/yr OnsiteFull Time
2+ YOEBachelor's in engineering or related field with 2 years software development experience; programming in Python/C++/Java; SECRET clearance required.
Python, C++, Java, Cloud platforms
1w
Save
Mark Applied
Hide
Associate Automation Engineer
Hunt Valley, Maryland, United States
$62k-$99k/yr OnsiteFull Time
0+ YOEAssociates or Bachelor's in Electrical/Mechanical/Automation/Mechatronics; 0-1 year experience; design, analyze, and maintain automation systems.
Arduino, Raspberry Pi, Arducam, Python, Java, C++, FANUC LR series robots
1mo
Save
Mark Applied
Hide
Developer (Newtown Square, PA, US, 19073)
Newtown Square, Pennsylvania, United States
$110k-$153k/yr HybridFull Time
2+ YOEBachelor's or Master's in CS/Math/Engineering or related field, with work experience; ETL/SQL/Java skills; data modeling and ETL pipeline experience.
SQL, SSIS, ETL, Java, Data Visualization, Data Modeling, Database Design, Stored Procedures
1w
Save
Mark Applied
Hide
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
4w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Senior Systems Integration Engineer (55409)
Aberdeen Proving Ground or United States
$110k-$150k/yr OnsiteFull Time
15+ YOEBachelor's degree and 15+ years of relevant experience in DoD contracting; electrical systems, modeling, and circuit analysis.
Oracle, SQL Server, Java, REST, Message Queuing, APIs
3w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
5d
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Software Engineer II *Top Secret*
Hunt Valley, Maryland, United States
$88k-$133k/yr OnsiteFull Time
2+ YOE2+ years of software development; active Top Secret clearance with ability to obtain TS/SCI; BS in Computer Science/Engineering; strong OO design; RF concepts and signal processing a plus; languages: C#, C++, Java, Python.
C#, C++, Java, Python, RF concepts, FPGA, microcontrollers, GPUs
2w
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Solutions Engineer
Reston or San Diego or San Francisco or Washington or Wilmington or Phoenix or Los Angeles or Houston or Boston or Austin or Atlanta or Raleigh or Baltimore or New York or Dallas or Palo Alto or Short Hills or Minneapolis or Chicago or Seattle or Philadelphia or Miami
$101k-$160k/yr HybridFull Time
5+ YOEEmbedded Solutions Engineer to translate stakeholder needs into backlog-ready requirements and user stories; collaborate with PE and IT; 5+ years' experience.
Microsoft 365, Power Platform, SharePoint, Workflow automation, AI tools, APIs, Graph, SQL, Python, PowerShell, JavaScript, TypeScript, Java, Go, REST/JSON
3w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
AI/ML Engineer
Aberdeen Proving Ground, Maryland, United States
$170k-$210k/yr RemoteFull Time
5+ YOE5+ years hands-on AI/ML production experience; Python/R/Java; TensorFlow/PyTorch/Scikit-learn; Palantir Foundry; Docker/Kubernetes/MLOps; cloud or hybrid environments; strong communication.
Python, R, Java, TensorFlow, PyTorch, Scikit-learn, Keras, Palantir Foundry, Docker, Kubernetes, MLflow
1d
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
4w
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
HiringCafe market data
Java Engineer 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
51% new in 30d
Salary visibility
59% show pay
Companies appearing in this market
JPMorgan ChaseLockheed MartinCACIFiservParsonsSAPT. Rowe PriceTextron
Work location mix in visible results
Onsite: 53Hybrid: 24Remote: 4
Related browse hubs
Jobs in Lancaster PennsylvaniaPart Time Jobs in Lancaster PennsylvaniaMarketing Jobs in Lancaster PennsylvaniaAccounting Jobs in Lancaster PennsylvaniaOffice Jobs in Lancaster PennsylvaniaAdministrative Jobs in Lancaster PennsylvaniaArt Jobs in Lancaster PennsylvaniaForklift Jobs in Lancaster Pennsylvania