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Software Developer Jobs in Elsmere, DE, US
1,000+ software developer jobs from 330+ companies hiring in Elsmere, DE, US.
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Software Engineer
Aberdeen Proving Ground or Fort Belvoir or Huntsville or Austin or Tobyhanna Army Depot or Letterkenny Army Depot or Lakehurst
OnsiteFull Time
5+ YOE5+ years of experience in software development; strong ability to design, develop, test, and maintain software systems; experience collaborating with cross-functional teams.
3w
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Software Developer
Chicago or Philadelphia or Orlando or Atlanta or Cleveland or Columbus or Cincinnati or Los Angeles or Dallas or Denver
$110k-$150k/yr HybridFull Time
5+ YOE5+ years in software development; React, TypeScript, cloud platforms; API design; Azure; DevOps; AI integration.
React, TypeScript, JavaScript, HTML5, CSS3, Node.js, Python, C#, GraphQL, Azure, Git, OpenAI
2w
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Software Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
7+ YOE7+ years in software development; TS/SCI with Poly; Bachelor's in CS; Linux development; C/C++, Python; Git/GitLab; IDEs (VSCode, Eclipse); Agile (Scrum); geospatial processing and SDR familiarity.
Linux, C/C++, Python, Git, GitLab, VS Code, Eclipse, Agile (Scrum)
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
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
1mo
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Software Engineer
Moorestown, New Jersey, United States
$58k-$111k/yr OnsiteFull Time
2+ YOEBachelor’s degree in Computer Science or equivalent; 2+ years software development; OO C++; automated tests; DoD SECRET clearance.
C++, Python, Bash, Linux, Git, JIRA, Confluence, Unit Testing, CI/CD, UML
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
1w
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Software Engineer
King of Prussia, Pennsylvania, United States
OnsiteFull Time
3+ YOE3+ years in software development; Java (Spring Boot) REST/gRPC; CI/CD; Linux; microservices; Docker/Kubernetes; Agile practices.
Java, Spring Boot, REST, gRPC, CI/CD, Linux, Docker, Kubernetes, OpenTelemetry
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
1w
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Software Engineer
Philadelphia, Pennsylvania, United States
$65k-$102k/yr HybridFull Time
0+ YOEBachelor’s degree in engineering discipline; 0-3 years software development in C/C++/C#; DoD Secret clearance; US citizenship; travel 10-20%.
Microsoft Visual Studio, Git, .NET Framework, C, C++, C#
2mo
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Software Engineer
Moorestown, New Jersey, United States
$88k-$149k/yr OnsiteFull Time
2+ YOEBachelor's degree or higher in engineering, computer science, math, or related field; 2-4 years software development experience; ability to obtain government clearance; U.S. citizenship.
Java, C++, Python, Linux, UNIX, Eclipse, UML, IDE
1w
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Software Engineer
Lititz, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years of professional software development; strong C++; data structures/algorithms; debugging and performance tuning; Git; strong communication and teamwork; able to work independently in fast-paced environment.
C++, Git, GLSL, HLSL, Metal
1mo
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Software Engineer
Malvern, Pennsylvania, United States
HybridFull Time
2+ YOEBachelor’s degree in Computer Science or related field; 2+ years in software development with embedded systems; experience with C; familiarity with embedded OS (FreeRTOS/Zephyr); knowledge of DSP, sensors, and communication protocols.
FreeRTOS, Zephyr, C, UART, SPI, I2C, USB, DSP
1mo
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Software Engineer
Buffalo Grove or Wilmington or Lewisville or Logan
RemoteFull Time
6+ YOE6+ years full stack software design/development; C#, .NET, ASP.NET, TypeScript, React; cloud (Azure/AWS/Google); microservices; containers (Docker/Kubernetes) and testing; strong communication and collaboration.
C#, DotNet, ASP.NET, TypeScript, React, Next.js, Vue.js, Svelte, Azure, AWS, Google Cloud, Docker, Kubernetes
2mo
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Sr Software Engineer
Birdsboro, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years in software development; Bachelor's degree; STM microcontroller and FPGA experience; defense experience a plus.
STM microcontrollers, FPGA, Firmware, Embedded Software, C/C++
2mo
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Software Engineer
Annapolis Junction or Hanover
$50k-$290k/yr OnsiteFull Time
US citizen with active TS/SCI clearance; Linux proficiency; programming in Python/Java/C/C++/JavaScript; Git; container tech (Docker/Kubernetes); shell scripting; experience with CI/CD; strong security-focused software development.
Bash, Python, Java, C, C++, JavaScript, Git, Docker, containerd, Podman, Kubernetes, Ansible, FastAPI, React, MongoDB, PostgreSQL, RabbitMQ, Kafka, Elastic Stack, Prometheus, Grafana, Splunk, Jira, Confluence, Slurm, AWS
1mo
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Software Engineer
Malvern, Pennsylvania, United States
HybridFull Time
2+ YOEBachelor’s degree in Computer Science or related field; 2+ years embedded software development; experience with FreeRTOS or Zephyr; proficiency in C; knowledge of DSP, sensors, and communication protocols; experience with C# and high-level languages; Agile/Scrum experience.
FreeRTOS, Zephyr, C, C#, DSP, UART, SPI, I2C, USB
2mo
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Sr. Software Engineer
Radnor, Pennsylvania, United States
RemoteFull Time
4+ YOESenior software engineer with 4+ years in software development, agile environments, and collaboration; Bachelor’s or equivalent.
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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Associate Software Engineer
Dresher or Newton or Lake Mary
OnsiteFull Time
0+ YOEUp to two years of software development experience; knowledge of programming or scripting languages; familiarity with Generative AI tools for software development; strong problem-solving and collaboration skills.
Programming languages, Scripting languages, Generative AI tools, Open source, Agile practices
1mo
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Software Engineer
Malvern, Pennsylvania, United States
HybridFull Time
2+ YOEBachelor’s degree in Computer Science or related field; 2+ years of professional software development experience in embedded systems; experience with FreeRTOS/Zephyr; proficiency in C; knowledge of UART/SPI/I2C/USB; plus DSP concepts, sensors, motor control, and strong problem-solving skills.
FreeRTOS, Zephyr, C, UART, SPI, I2C, USB, C#, DSP
3w
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Senior Software Developer
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
5+ YOEDesign, develop, and implement software across multiple languages; lead components; troubleshoot; mentor and guide developers; ensure secure, maintainable results. Must be a US citizen with SECRET clearance.
Python, C++, Java, C#, Go, Docker, Kubernetes, CI/CD
2mo
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Senior Software Developer
New York City or Boston or Chicago or Los Angeles or San Francisco or Denver or Seattle or Philadelphia or Dallas or Detroit or Houston
HybridFull Time
6+ YOESenior software developer with 6+ years in web/application development; lead features, CI/CD, Azure; strong JS/TS, Vue/React; API design; AI exposure.
JavaScript, TypeScript, Vue, React, Next.js, HTML, CSS, Git, Azure DevOps, Jira, Node.js, .NET Core, PostgreSQL, MongoDB, Azure, Vercel, OpenAI
1w
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Senior Software Engineer
Blue Bell, Pennsylvania, United States
$98k-$182k/yr HybridFull Time
8+ YOE8+ years of Java software development experience; strong backend, cloud and distributed systems skills; proficient with REST/WebSockets, databases, and Agile practices.
Java, REST, WebSockets, SQL, Key-Value Stores, Document Databases, Cloud Platforms (GCP, AWS), Kubernetes, Git, Bash, Python
2mo
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Software Engineer - II
Moorestown, New Jersey, United States
$85k-$130k/yr OnsiteFull Time
2+ YOE2-4 years in software development; government clearance required; Java/C++/Python; Agile; Linux/UNIX; UML; IDEs; testing environments.
Java, C++, Python, Eclipse, UML, JIRA, Clearcase, xUnit, JUnit, CPPUnitLite
2mo
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Experienced Software Developer
Philadelphia, Pennsylvania, United States
$124k-$207k/yr HybridFull Time
8+ YOE8+ years in software development; strong OO with C++, C#, .NET, JavaScript; microservices; SQL/NoSQL; cloud (Azure, AWS, Google); design and deliver mission-critical software; Bachelor/Master/PhD or relevant experience
C++, C#, DotNet, JavaScript, Azure, AWS, Google Cloud, SQL, NoSQL, Microservices
2mo
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Associate Software Engineer
Mount Laurel or Arlington
$72k-$114k/yr OnsiteFull Time
2+ YOEBachelor’s degree and 0–2+ years software development; willing to travel up to 15%; strong frontend, API, and software lifecycle skills.
TypeScript, JavaScript, Git, REST, gRPC, PostgreSQL, SQL, Windows, Linux, React, Angular, Vue
1mo
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Brkthru - Software Developer, CRM
Detroit or Philadelphia or Austin or Raleigh
$90k-$110k/yr RemoteFull Time
5+ YOE5+ years software development; 2+ years CRM or complex business systems; React, TypeScript; Python; REST APIs; SQL; AWS; Jira; strong communication.
React, TypeScript, HTML/CSS, Python, REST APIs, JSON, PostgreSQL, AWS
3w
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Software Developer III
Willingboro or Downers Grove
$110k-$140k/yr HybridFull Time
7+ YOE7+ years in software development; .NET, SQL, REST, Docker/Kubernetes; cloud (AWS/Azure/GC); Agile (Scrum/SAFe); pair programming; mentoring.
DotNet, SQL, Docker, Kubernetes, REST, Microservices, AWS, Azure, Google Cloud, CI/CD, Agile, SAFe, Scrum
1mo
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Software Engineer (Backend/APIs)
Reading, Pennsylvania, United States
OnsiteFull Time
3+ YOEApproximately 3 years of software development experience; C# / .NET; SQL basics; strong collaboration and willingness to learn.
C#, .NET, SQL, REST API, HTML, CSS, JavaScript
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
4w
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Software Engineer (Mid-level)
Springfield, Pennsylvania, United States
HybridFull Time
3+ YOE3-5 years professional software development; cross-stack ability; strong collaboration; able to leverage AI tools; portfolio
.NET Core, Node.js, Python, React, Next.js, TypeScript, Azure, SQL Server, Microservices, Functions, Lambdas, CI/CD, Unit Testing, Automated Testing
1mo
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Senior Software Developer
Wilmington, Delaware, United States
HybridFull Time
5+ YOE5+ years in software development; strong C#/.NET Core; AWS; SQL Server or PostgreSQL; REST APIs; distributed/microservices; React/JavaScript; Azure DevOps; secure coding practices.
C#, NET Core, React, AWS, SQL Server, PostgreSQL, REST APIs, Azure DevOps, JavaScript
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
1w
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Software Engineer
Langhorne, Pennsylvania, United States
OnsiteFull Time
2+ YOEDevelop VB.NET/C# HMI apps, SQL integration, PLC interfacing, and device APIs in a manufacturing/automation environment.
Visual Basic .NET, C#, SQL, Allen-Bradley PLCs, APIs/SDKs, Ethernet/IP, TCP/IP
2w
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Software Engineer
Hatfield, Pennsylvania, United States
OnsiteFull Time
4+ YOEBS in Engineering or Computer Science; 4+ years in production software; proficient in C#, VB.Net, Python; SQL/NoSQL experience; able to read schematics and interact with measurement instruments.
C#, VB.Net, Python, LabView, VB6, SQL, NoSQL, RS232, RS485, GPIB, TCP/IP
2mo
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Senior Software Engineer
San Jose or Chicago or Philadelphia or Denver or Dallas or New York City or Century City or Garden City or Nashville or San Ramon or St. Louis or Bellevue or Woodland Hills or Irvine or Downtown Los Angeles or Boise or San Francisco or Austin or El Segundo
OnsiteFull Time
5+ YOE5+ years of software development; strong TypeScript; 3+ years cloud (AWS/Azure/GCP); backend, NoSQL/SQL, React, Node.js; code reviews; mentoring; AI-enabled development.
TypeScript, React, Node.js, AWS, Azure, GCP, GraphQL, Infrastructure as Code, AWS CDK
2w
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Software Engineer, III - Java
Fort Washington, Pennsylvania, United States
$120k-$130k/yr RemoteFull Time
5+ YOE5+ years software development experience; Java 17+, Spring Boot; experience with AI tools; healthcare IT preferred; strong SDLC and collaboration skills.
Java, Spring Boot, Git, MySQL, MongoDB, REST, AWS, FHIR, HL7, Claude
1mo
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Software Engineer Lead
Pittsburgh or Philadelphia
OnsiteFull Time
3+ YOE3+ years in software development; bachelor's degree; strong in .NET, Angular, SQL Server; REST/GraphQL; Agile; financial services experience.
Microsoft .NET, Angular UI Frameworks, GraphQL, REST, Microsoft SQL Server, Agile/Scrum
2mo
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Lead Software Engineer
Philadelphia or Denver or Cedar Rapids
$110k-$140k/yr HybridFull Time
5+ YOELead software engineer with 5+ years mainframe and API development; COBOL, JCL, CICS; REST/JSON; ITIL; DB2/VSAM; hybrid work.
COBOL, JCL, Ezytrieve, Rexx, CICS, Control-M, Endevor, Changeman, Xpeditor, Abend-Aid, File Manager, IDCAMS, ICETOOL/SORT, DB2, VSAM, Oracle, REST/JSON, z/OS Connect EE, ITIL
HiringCafe market data
Software 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
1,000+
Hiring companies
330+
Fresh sample
53% new in 30d
Salary visibility
55% show pay
Companies appearing in this market
ADTAscensusASRC FederalAVEVACACIFiservInnovative Defense TechnologiesLockheed Martin
Work location mix in visible results
Onsite: 58Hybrid: 26Remote: 7