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Java Developer Jobs in Elsmere, DE, US
430+ java developer jobs from 100+ companies hiring in Elsmere, DE, US.
5d
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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
1mo
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Software Engineer
Philadelphia, Pennsylvania, United States
$80k-$88k/yr HybridFull Time
1+ YOESoftware Engineer with 1-3 years of experience, BS in MIS/CS/Engineering, strong communication, hybrid work in Philadelphia.
Cloud platforms, Databricks, PySpark, CI/CD, Docker, Terraform, LangChain, Python, Java, SQL, JavaScript, .NET, React, Angular, Azure OpenAI, AWS Bedrock
1w
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Software Engineer II - AI Solutions
King of Prussia, Pennsylvania, United States
HybridFull Time
3+ YOE3+ years AI/ML or backend development; Python/Java/JavaScript; healthcare data standards; cloud platforms; CI/CD; strong problem-solving and communication.
Python, Java, JavaScript, TypeScript, PyTorch, TensorFlow, LangChain, Keras, SQL, NoSQL, AWS, Azure, Google Cloud, Oracle Cloud, Palantir, Databricks, Docker, Kubernetes, Grafana, Datadog, Langfuse, CI/CD, DevOps, Microservices, Observability
2mo
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Intern | Product Developer – Prophet 21
Bensalem, Pennsylvania, United States
HybridInternship, Full Time
Internship requiring basic programming knowledge, version control familiarity, and strong analytical skills.
C#, Java, Python, JavaScript, Git
2mo
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Backend API’s and Integrations Software Engineer III
Philadelphia, Pennsylvania, United States
$79k-$131k/yr RemoteFull Time
3+ YOE3+ years backend software engineering; Java and JavaScript proficiency; REST/OpenAPI; Kong APIM; HL7 FHIR familiarity; distributed systems; Docker/Kubernetes; CI/CD; YAML.
Java, JavaScript, Node.js, Kong APIM, OpenAPI, REST, gRPC, Docker, Kubernetes, HL7 FHIR, YAML, CI/CD
2mo
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Backend API’s and Integrations Software Engineer III
Philadelphia, Pennsylvania, United States
$79k-$131k/yr HybridFull Time
3+ YOE3+ years backend software engineering; proficient in Java; JavaScript/Node.js; RESTful API design; OpenAPI/Swagger; Kong APIM; distributed systems; TCP/IP; TLS/mTLS; FHIR; REST/gRPC; OpenAI specs; YAML; Docker/Kubernetes.
Java, JavaScript/Node.js, REST, OpenAPI, Kong API Manager, HL7 FHIR, FHIR, gRPC, Docker, Kubernetes, YAML, OAuth2/OIDC, OpenAI, OpenAI specs
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
1w
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QA Engineer
Maple Shade, New Jersey, United States
RemoteFull Time
4+ YOE4+ years software QA experience, 2+ years test automation; proficiency with TestComplete/Playwright; programming in Java, Python, or JavaScript; CI/CD tooling; BS in CS or related field.
TestComplete, Playwright, Java, Python, JavaScript, Azure DevOps, GitHub, GitLab
1w
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Lead Software Engineer - mainframe
Wilmington, Delaware, United States
$128k-$214k/yr HybridFull Time
5+ YOELead mainframe software engineer with COBOL/JCL expertise; guides design, reviews code, and ensures secure, compliant deployments.
COBOL, JCL, Mainframe, Java, Archer/EGRC
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
2mo
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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
1mo
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Senior Software Engineer, AI Enterprise Engineering (Philadelphia, PA, US)
Philadelphia, Pennsylvania, United States
RemoteFull Time
8+ YOE2+ Mgmt8+ years software development; BS/MS in CS/Engineering; 2+ years in tech leadership; experience leading hybrid teams; cloud platforms (Azure/AWS/GCP); vendor management; proven distributed systems
Python, Java, C#, Azure, AWS, GCP
1mo
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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
1mo
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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
1mo
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Lead Cloud DevOps Platform Engineer
Newark or Marlborough or Santa Clara
$128k-$201k/yr HybridFull Time
6+ YOELead DevOps role with 6+ years in cloud platforms (AWS/Azure/GCP), IAM, VPC, and managed services; strong Kubernetes, IaC, DevEx, security and regulatory compliance experience.
Kubernetes, Terraform, Pulumi, GitHub Actions, Azure DevOps, Jenkins, Ansible, HashiCorp Vault, AWS Secrets Manager, C#, C++, Python, Java
1mo
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Solution Engineer - Game Engine
Minneapolis or Charlotte or Denver or Olympia or Philadelphia or Redlands or San Antonio or St. Louis or Washington
$77k-$127k/yr HybridFull Time
2+ YOE2+ years with Esri technology; 1+ years in various industries; cloud concepts; strong presentation and communication; mobile and Game Engine experience; programming in .NET, C++, Kotlin, Swift, Python, JavaScript, Java; IT context of ArcGIS; willing to travel up to 25-50%; Bachelor's in geography or computer science; visa sponsorship not available.
.NET, C++, Kotlin, Swift, Python, JavaScript, Java, ArcGIS
1w
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Palantir Forward Deployed Senior Engineer
Chicago or Milwaukee or Dallas or Columbus or Kirkland or New York or Cincinnati or St. Louis or Cleveland or Oklahoma City or Austin or Albany or St. Pete or Hartford or Pittsburgh or Phoenix or Seattle or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or San Francisco or Morristown or Denver or Boston or United States
HybridFull Time
5+ YOE5+ years data engineering; 3+ years Palantir Foundry/Gotham; 3+ years AI techniques with Palantir AIP; 5+ years cloud (AWS/Azure/GCP); 5+ years Python, PySpark, Java; Bachelor’s degree in CS/Engineering or equivalent
Python, PySpark, Java, Palantir Foundry, Palantir Gotham, AIP
4d
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00584-Software Engineer 3
Annapolis Junction, Maryland, United States
$175k-$235k/yr OnsiteFull Time
20+ YOETop Secret/SCI clearance with NSA Full Scope Poly, 20+ years SWE experience, BS in CS or related, 6+ years recent development; salary commensurate with experience.
Java, Python, NiFi, DataXplorer, GMAE, XML, CSV, JSON, Pig, MapReduce, Spark, Hadoop, Scala
3w
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Senior Integration Developer Boomi/Dell Boomi
Mount Laurel Township or United States
$130k-$140k/yr HybridFull Time
7+ YOE7+ years software development; 5+ years Boomi/integration; REST/SOAP APIs; enterprise systems (Salesforce, SAP, Oracle, Workday); databases; cloud platforms; programming languages; API security; Agile/DevOps.
Boomi, API development, REST, SOAP, XML, JSON, EDI, SQL, Oracle, MongoDB, AWS, Azure, GCP, Java, Node.js, JavaScript, C#, .NET, OAuth, SSO, SSL
1w
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Software Engineers
Mount Laurel or Moorestown
$90k-$150k/yr OnsiteFull Time
5+ YOEMid to senior software engineer with DoD Secret clearance, bachelor’s in CS, 5+ years of experience in C++, Java, Python, or C#, on-site at Moorestown, NJ.
C++, Java, Python, C#, Linux, git, GitLab, Confluence
3w
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Advanced Software Engr
Fort Washington, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years software engineering; AI/data-driven integration; strong in C++, C#, Java, Python, or HTML/React; experience with Docker and Kubernetes.
Docker, Kubernetes, C++, C#, Java, Python, HTML, React
3w
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Senior Application\Middleware Engineer
Charleston or Newark or Bellevue or Plano or Detroit or Nashville or Tulsa or New York
OnsiteFull Time
10+ YOEBachelor’s degree in engineering; 10+ years in a global environment; AWS certifications or equivalent; strong middleware experience (IBM WebSphere, Apache Tomcat, Java, JBoss, SFTP, Dynatrace, IIS, etc.); Windows/Linux server administration; AWS services including S3, EKS, ECS, containers, Kubernetes, Terraform; scripting in PowerShell or Python a ...
AWS, Linux, Windows Server, IBM WebSphere, Apache Tomcat, Java, JBoss, SFTP, Dynatrace, IIS, Terraform, PowerShell, Python, ServiceNow, Microsoft Teams, SharePoint, Kubernetes, EKS, S3, ECS
2mo
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Data 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
3+ YOEDesign, build, and operate data pipelines and integration; leverage Azure data services; 3+ years of data engineering experience; proficient in SQL and Python.
Azure Data Factory, Azure Databricks, Azure Event Hubs, SSIS, Azure Synapse Analytics, SQL, Python, PowerShell, Java, Scala, Go
2mo
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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
1mo
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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)
1mo
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Senior DevOps Engineer
Omaha or Phoenix or Lehi or Philadelphia
$95k-$147k/yr HybridFull Time
7+ YOESenior DevOps Engineer with 7+ years in cloud, IaC, CI/CD; AWS, Azure DevOps; automation; scripting (Terraform, Python); Linux/Windows; BS preferred.
AWS, Azure DevOps, Terraform, Python, Git, Node.js, Java, .NET, Linux, Windows, CI/CD
5d
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Director, Software Development
Conshohocken, Pennsylvania, United States
$154k-$185k/yr RemoteFull Time
10+ YOE10+ years leading software development; Java/C#/.NET; AI in SDLC; finance/operations domain experience preferred.
Java, C#/.NET, Spring, ASP.NET Core
5d
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Technology Consultant 2
Pennington, New Jersey, United States
$76k-$120k/yr OnsiteFull Time
Experience in Java Spring Boot and Angular; hands-on development with Java, microservices, REST, Angular; SQL/NoSQL databases; OpenShift; JPA; testing frameworks; front-end basics.
Java, Angular, Spring Boot, REST, Microservices, Kafka, OpenShift, JPA, XML, XSLT, JAXB, JAXP, Junit, HTML, CSS, JavaScript, TypeScript, MongoDB, SQL Server, Oracle, SOAP, Karma, Mockito
3mo
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Cloud Engineer- Data/AI Focused
Rochester or Charlotte or Nashville or New York City or Washington or Philadelphia or Atlanta
HybridFull Time
1+ YOE1-3 years cloud experience, AWS cert or ability to obtain, SQL and at least one programming language, basic data engineering, familiarity with AWS data services, Git, and IaC concepts.
AWS, Glue, Lambda, Step Functions, EMR, RDS, Aurora, Redshift, DynamoDB, S3, SQL, Python, Java, Git, Terraform, Infrastructure as Code
1mo
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Senior Director, Software Engineering
Philadelphia or Alexandria or Ann Arbor
HybridFull Time
10+ YOE5+ MgmtBachelor's in CS or related; 10+ years leadership; 10+ years software development; strong Java and Python.
Java, Python, Angular, Talend, Databricks, Spark, AWS, PostgreSQL, MySQL, Oracle, XML, XSLT, REST, SOAP, NodeJS
1w
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Industrial Controls Systems Engineer
Philadelphia or United States
$72k-$112k/yr HybridFull Time
3+ YOEBS engineering or associate with 3 years; HS with 6 years; CompTIA Security+; 20% travel; MS Access/Visio/Office; ICS knowledge; US citizen with ability to obtain Secret clearance.
Rockwell Studio 5000, Siemens SIMATIC Step 7, TIA Portal, Java, C#, C++, Python, Visual Basic, Microsoft Access, Microsoft Visio, Microsoft Office, Ethernet/IP, Profibus, Profinet, Serial communications
1mo
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Senior Director, Software Engineering
Philadelphia or Alexandria or Ann Arbor
HybridFull Time
10+ YOE5+ Mgmt10+ years in technology leadership with cross-functional teams; 10+ years software engineering; Bachelor's in CS or related field; Proficient in Java and Python.
Java, Python, XML, HTML, XSLT, XML Schema, XQuery, XPath, PDF, TIFF, Angular, Talend, Pentaho, Databricks, Spark, EMR, Hive, Microservices, SOAP, REST, JavaScript, Node.js, AWS, AMQ, JMS, Spring Boot, PostgreSQL, MySQL, SQL Server, Oracle, ETL, SaaS, NL P, ML, AI
1mo
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Manager - Software Development
Reading, Pennsylvania, United States
OnsiteFull Time
12+ YOE5+ MgmtBachelor's degree in CS, Math, or Information Systems; 12+ years software development; 5+ years leading IT projects; certifications preferred; cloud/AWS; Agile/DevOps experience.
Java, Spring, Spring Boot, REST, SOA, Angular, HTML, CSS, SQL, DB2, Oracle, Kafka, Cloud, Spring Integration, APIM, Microservices
2mo
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Manager - Software Development
Reading or Tampa
OnsiteFull Time
10+ YOE3+ MgmtBachelor’s degree in CS or Information Systems; 10+ years app development with 3+ years leading teams; strong leadership, Agile/DevOps focus; 8+ years web/mobile tech; cloud and observability.
Angular, Java, Spring Boot, Oracle, DB2, OpenShift, Azure, AWS, REST API, CI/CD, DevOps, Kubernetes
1w
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Sr. Spclst , Software Engineering
West Point or Rahway
$117k-$184k/yr HybridFull Time
5+ YOEBachelor's in IT/CS or related tech field; 5+ years software development; Python proficiency; REST APIs; GitHub/automation tools; SQL; Agile workflows; regulatory compliance; cloud platforms; experience with LIMS/ELN and sample management domain.
Python, JavaScript, Java, C#, GitHub, Robot Framework, XRay, REST, SQL, Jira, AWS, Azure, GCP, CloudFormation, Terraform, CI/CD
3w
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Manager, Mobile Development
Philadelphia, Pennsylvania, United States
HybridFull Time
FreedomPay: A fast-growing fintech delivering secure, scalable payments and data solutions.
8+ YOE1+ MgmtBachelor’s or Master’s in CS or related field; 8+ years Android/Kotlin; 1+ year people leadership; multi-module Android codebases; Jetpack Compose; Git; Azure DevOps/Jira.
Kotlin, Java, Android, Jetpack Compose, Git, Azure DevOps, Jira
1mo
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Solution Architect - PIM (Viamedici)
Radnor, Pennsylvania, United States
HybridFull Time
5+ YOEBachelor's degree; 5+ years software development/solution architecture; 2+ years PIM module experience; Java, XML, JSON, REST; knowledge of PIM/DAM/MDM; Viamedici experience preferred; no sponsorship; able to work hybrid in Radnor, PA.
Java, XML, JSON, RESTful APIs, SQL, NoSQL
HiringCafe market data
Java Developer Jobs market signals in Elsmere, DE, 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
430+
Hiring companies
100+
Fresh sample
37% new in 30d
Salary visibility
54% show pay
Companies appearing in this market
Penske Truck LeasingEsriIn-Depth EngineeringClarivateDLA PiperInfosysOrion Advisor SolutionsAccenture
Work location mix in visible results
Onsite: 24Hybrid: 22Remote: 8