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Java Developer Jobs in Elsmere, DE, US
430+ java developer jobs from 100+ companies hiring in Elsmere, DE, US.
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
1d
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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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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
4d
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Sr Salesforce Developer
Mt Laurel, New Jersey, United States
$154k/yr HybridFull Time
5+ YOESenior Salesforce Developer with 5+ years in Salesforce development, Salesforce certification required, remote work 2 days/week, on-site Mt. Laurel NJ; Bachelor's in IT/CS/software engineering.
Salesforce Apex, Visualforce, Lightning Web Components, Salesforce tools, SOQL, SOSL, JAVA, .NET, HTML, CSS, JavaScript, jQuery, Git, Jenkins, Data Loader, Xplenty, Blendo, Jitterbit, SOAP, REST
2w
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Cloud Software Engineer 2 - TS/SCI w/Poly
Annapolis Junction, Maryland, United States
$112k-$179k/yr OnsiteFull Time
3+ YOEFull-stack cloud development with Java/JavaScript, containerization, and cloud services; TS/SCI with Poly clearance; agile/DevOps experience.
Java, Spring, JUnit, JavaScript, React, Vue.js, JSON, REST, Elasticsearch, ELK, Redis, MongoDB, Docker, Kubernetes, Docker Swarm, AWS, Git, GitLab, Jenkins, GitLab CI/CD
1mo
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Software Engineer III
Norristown, Pennsylvania, United States
HybridFull Time
5+ YOEBachelor's degree in Computer Science or related field; 5 years software development experience; Java/Spring; Oracle 19c; web technologies; 2 years UI JavaScript/CSS/HTML; remote work 2 days/week within commuting distance
Java, Spring Core, Spring Boot, Spring Integration, Oracle, SQL, JavaScript, AJAX, CSS, HTML, JMS, RabbitMQ, SOAP, REST, Jboss
3w
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Software Developer
Blue Bell, Pennsylvania, United States
OnsiteFull Time
3+ YOE3-5 years software development; proficiency in multiple languages; SQL; multi-tier applications; experience with databases; plus knowledge of reporting tools.
VB, VBScript, C++, C#, ASP.Net, Java, JavaScript, Delphi, SQL, Crystal Reports, Business Objects, COM, XML
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 degree in engineering; 5+ years full software development lifecycle experience; proficiency in C, C++, C#, Python, Java, Ada, Linux; ability to obtain US Secret clearance.
C, C++, C#, Python, Java, Ada, Linux, Git, CI/CD, DOORS, DO-178C
3w
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Software Engineer
Doylestown, Pennsylvania, United States
OnsiteFull Time
2+ YOEUS citizen with DoD Secret clearance; Associate degree in computer science, IT, mathematics, or scientific field; 2+ years programming in .NET, Java, or C/C++.
Azure DevOps, Blazor, Git, Visual Studio, .NET, Java, C/C++, JavaScript, Microservices, Cloud, DevOps
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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Software Engineer, Senior
Moorestown, New Jersey, United States
$87k-$198k/yr HybridFull Time
5+ YOE5+ years experience in Java and C++, REST/gRPC, Kafka, Kubernetes; distributed systems; Secret clearance; BS degree.
Java, C++, REST, gRPC, Kafka, Pub/Sub, Kubernetes, Docker, Prometheus, Grafana, ELK, Terraform, Ansible
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
1mo
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(Sr./Lead) Application Developer I (II)
Audubon, Pennsylvania, United States
HybridFull Time
5+ YOE5+ years in Java/.NET, full SDLC, web services, SOA, and database integration; strong problem solving and collaboration.
Java, .NET, Oracle, MS SQL, PostgreSQL, SOAP, REST, SOA, ESB, Web Services, CI/CD, XML, JSON
3w
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Product Security Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Bachelor’s degree in Computer Science, Computer Engineering, Software Engineering, Cybersecurity, or Information Security; GPA 3.0 or foreign equivalent; strong OO design with C++, C#, or Java; experience in GUI Development, Design Patterns, Database Architecture, and Network Programming; coursework or experience in computer security (network, soft...
C++, C#, Java, GUI Development, Design Patterns, Database Architecture, Network Programming, Cryptography, Object-Oriented Design
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
1mo
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Software Engineer, Senior
Moorestown, New Jersey, United States
$87k-$198k/yr HybridFull Time
5+ YOE5+ years Java/C++, REST/gRPC, Kafka/Pub/Sub, Kubernetes, containerized apps, strong networking, autonomous problem solving, Secret clearance, Bachelor's degree.
Java, C++, REST, gRPC, Kafka, Pub/Sub, Kubernetes, Docker, TCP/IP, HTTP, Protobuf
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
3w
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Software Engineer-Mobile Development (Android)
Philadelphia, Pennsylvania, United States
$65k-$80k/yr OnsiteFull Time
5+ YOEStrong proficiency in React Native with Android focus; solid Android fundamentals; experience with Android Studio, Gradle, Android SDK; Java/Kotlin/JavaScript/TypeScript; REST APIs; Git; AWS; SQL databases; automated tests; team collaboration.
React Native, Java, Kotlin, Android Studio, Gradle, Retrofit, Room, WorkManager, Google Play Console, AWS, Git, SQL, PostgreSQL, Oracle, MSSQL, Node.js, .NET Core, PHP, Docker, CI/CD, API design and development
1mo
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Lead, Software Engineer - Salesforce
Newark or Portland or Fort Washington or Washington Street, Newark
$134k-$220k/yr OnsiteFull Time
Lead Software Engineer - Salesforce with strong DevOps, security, and Salesforce expertise; proficient in Python/Java/JS; agile, collaborative leader.
Salesforce, Python, Java, JavaScript, React, Spring Boot, Node.js
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
1mo
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SDET Engineer
Philadelphia, Pennsylvania, United States
$72k-$130k/yr OnsiteFull Time
2+ YOEBachelor's degree plus 2 years' related experience or equivalent; 2-4 years in development languages and automation tools; Agile, end-to-end testing, problem solving, analytics; 18+ and authorized to work in the US.
TypeScript, JavaScript, Python, Java, Cypress, Selenium, TestNG, Appium, Sauce Labs, Rest Assured, Postman, Cucumber, Jasmine, Protractor
4w
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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
1mo
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Mobile App Developer
Philadelphia, Pennsylvania, United States
$72k-$100k/yr HybridFull Time
3+ YOEBachelor’s degree in CS/Engineering; 3+ years mobile app development; Swift/Kotlin; cross‑platform frameworks; REST APIs; mobile UI/UX; App Store/Play deployment; Agile; health/pharma experience preferred.
Swift, Kotlin, Java, React Native, Flutter, RESTful APIs, Cloud Messaging APIs, Agile
6d
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QA Engineer Intern
Philadelphia, Pennsylvania, United States
$20-$25/hr OnsiteInternship
0+ YOEPursuing a bachelor’s in computer science or mathematics (or related field); full-time summer internship; strong analytical/problem-solving skills; excellent communication; basic programming in Java or Python; familiarity with SQL, Git, and VS Code; cloud knowledge.
Java, Python, VS Code, Git, SQL, Cloud (GCP/AWS)
1w
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Backend Customer Success Engineer (Kotlin Ecosystem)
Foster City or Marlton or United States
HybridFull Time
Extensive Kotlin/Java/JVM experience; migration of Java backend to Kotlin; Spring ecosystem; build tools Maven/Gradle; customer-facing roles; strong English communication; ability to lead workshops and engage with engineering teams.
Kotlin, Java, JVM, Spring, Maven, Gradle
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
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
1d
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Tech Consulting - Full-Stack Java Developer - Senior - Multiple Locations (Los Angeles, CA, US, 90017-5418)
Los Angeles or New York City or Hoboken or San Francisco or San Jose or Seattle or Boston or Chicago or St. Louis or Philadelphia or Dallas or Houston or Irvine or San Diego or Portland or Denver or Minneapolis or Nashville or Phoenix or Pittsburgh or McLean or Atlanta or Charlotte or Detroit or Columbus or Cleveland or Akron or Miami
$103k-$188k/yr HybridFull Time
3+ YOE3+ years software engineering; Bachelor's in CS or related field; proficient in at least one modern backend language; full-stack experience; REST APIs; React/Angular or similar; Git; cloud familiarity; travel up to 25%.
Python, Java, JavaScript, TypeScript, React, Angular, Git, Node.js, Spring, .NET, Docker, Kubernetes, REST APIs
2mo
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AI Platform Engineer (Philadelphia, PA, US, 19103)
Philadelphia, Pennsylvania, United States
OnsiteFull Time
3+ YOEMid-level software engineer with Python/Java, AI-enabled platforms, bachelor’s degree, 3-6 years, strong communication.
Python, Java, SQL, Palantir Foundry
1w
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Associate Software Development Engineer (SDET), IT Software Engineers
Dresher or Baxter or Newton
RemoteFull Time
0+ YOEBachelor’s degree in CS/Engineering or related field; basic programming in C#, Python or Java; desire to learn in Agile environment; knowledge of testing concepts.
C#, Python, Java, PowerShell, Bash
2mo
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Senior Software Engineer, Platform
Philadelphia or New York
$116k-$209k/yr OnsiteFull Time
4+ YOEDevelop and optimize platform services; cloud focus; Agile; automation; 4-7 years platform experience; AWS preferred.
AWS, Kubernetes, Go, Java, Scala, Python, JavaScript
2w
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Nuuly Services Software Engineer - Level III
Philadelphia, Pennsylvania, United States
RemoteFull Time
4+ YOE4+ years server-side development; proficient in JVM languages; cloud and streaming experience; strong collaboration and leadership skills.
Kotlin, Java, Scala, Spring, Micronaut, Kubernetes, Google Cloud, AWS, Azure, REST, HTTP, Kafka, Spark, Cassandra
2mo
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Technical Architect, Full Stack Developer
King of Prussia, Pennsylvania, United States
$175k/yr OnsiteFull Time
10+ YOE10+ years of software development/architectural experience; Salesforce expertise; strong integration, data, and system design skills; leadership and mentoring abilities.
Salesforce.com, Zuora, ServiceMax, FinancialForce, CPQ, Apex, Lightning Web Components, Visualforce, Boomi, MuleSoft, Jitterbit, SQL, ETL, Data Loader, Force.com, Java, JavaScript, XML, SAML, SSO, OAuth, APIs
1mo
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Principal Software Engineer
Boston or St. Louis or Cleveland or Philadelphia or Chicago or San Francisco or New York City or Kansas City or Atlanta or Minneapolis or Dallas or Richmond
$173k-$260k/yr OnsiteFull Time
8+ YOE8+ years Java development; 4+ years AWS cloud experience; cloud-first architecture; CI/CD, DevOps; serverless; strong communication.
Java, Spring, Terraform, NoSQL, RDS, Kafka, Python
2mo
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Lead Data Engineer (Bank Tech)
Wilmington, Delaware, United States
$179k-$205k/yr OnsiteFull Time
4+ YOELead data engineer with 4+ years in application development, 2+ years in big data, and 1+ year in cloud computing (AWS/Azure/GCP).
Java, Scala, Python, SQL, NoSQL, MongoDB, Cassandra, Redshift, Snowflake, Hadoop, Hive, Kafka, Spark, Gurobi, MySQL, Unix/Linux, Shell scripting
4w
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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
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
47% new in 30d
Salary visibility
67% show pay
Companies appearing in this market
T-MobileAmtrakBoeingCapital OneLockheed MartinDataPathARKA GroupBNY
Work location mix in visible results
Onsite: 44Hybrid: 19Remote: 3