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661 senior software developer jobs at 247 companies in Wilmington, DE

3mo
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Senior Software Engineer
Moorestown, New Jersey, United States
$106k-$180k/yr OnsiteFull Time
ASRC Federal
ASRC Federal: Provides engineering and IT services to federal government agencies.
5+ YOEBachelor's degree or higher; 5-7 years software development experience; U.S. citizenship with active DoD Secret clearance; Java, C++, Python; Agile; OO design; Linux; Eclipse; UML; driver-based and automated test environments.
Java, C++, Python, Linux, UNIX, Eclipse, UML, JIRA, Clearcase, xUnit, Junit, CPPUnitLite, IDE
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2d
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Senior Software Developer
Philadelphia or United States
$110k-$135k/yr RemoteFull Time
TherapyNotes
TherapyNotes: SaaS practice management and EHR for behavioral health providers.
5+ YOE5+ years professional software development, BS preferred, strong experience with Angular, .NET Core/ASP.NET Core, C#, TypeScript, JavaScript, HTML/CSS, PostgreSQL, API design, OOP and architecture.
Angular, ASP.NET Core, C#, PostgreSQL, TypeScript, JavaScript, HTML/CSS
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1mo
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Senior Software Engineer
Lake Forest or Houston or Philadelphia
$124k-$207k/yr HybridFull Time
AVEVA
AVEVA: Industrial software for engineering and operational performance management.
Strong software development in C# (.NET) or Node.js; hands-on Microsoft Azure cloud experience; CI/CD, DevOps, container experience; knowledge of cloud architecture, networking, and secure development practices.
Microsoft Azure, C#, .NET, Node.js, CI/CD
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1mo
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Senior Software Engineer
Moorestown, New Jersey, United States
$91k-$172k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
5+ YOEBachelor's in Computer Science or equivalent, 5+ years software development experience, Object Oriented C++ proficiency, ability to obtain SECRET clearance (U.S. citizenship required), experience with real-time/embedded systems and Agile practices.
C++, UML, Git, JIRA, Confluence, CUDA, CI/CD, Static Code Analysis
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17h
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Senior Software Engineer
Berwyn, Pennsylvania, United States
$158k-$189k/yr RemoteFull Time
Envestnet
Envestnet: Provides an integrated wealth management technology platform for advisors.
6+ YOEBachelor's degree plus 6 years or master's degree plus 4 years in software engineering; 4 years in Java/Spring, AWS, SQL/NoSQL, Jenkins and GitLab; 3 years in API development using Apigee or Spring Cloud Gateway.
Java, Spring, AWS, SQL, NoSQL, Jenkins, GitLab, Apigee, Spring Cloud Gateway
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2mo
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Senior Software Engineer
Mount Laurel, New Jersey, United States
$135k-$273k/yr OnsiteFull Time
Innovative Defense Technologies
Innovative Defense Technologies: Develops automated defense solutions and mission-critical software for U.S. government customers.
7+ YOEBachelor's in a technical discipline (or equivalent), 7+ years software development experience, proficiency in C++, Java, Python, or JavaScript, Git, Linux, SQL/PostgreSQL, container tech (Docker/Podman/OCI), ability to obtain/maintain Secret clearance, up to 10% travel.
C++, Java, Python, JavaScript, Git, Linux, SQL, PostgreSQL, Docker, Podman, OCI-compliant containers, Bash, PowerShell, Groovy
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2d
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Senior Software Engineer II
Philadelphia, Pennsylvania, United States
$95k-$159k/yr RemoteFull Time
LexisNexis Risk Solutions
LexisNexis Risk SolutionsNYSE: RELX: Provides data and analytics for risk management and compliance.
5+ YOERequires 5+ years of software engineering experience and a BS in Engineering or Computer Science or equivalent experience. Requires software development, data modeling, databases, coding, testing, and communication skills.
Java/J2EE, JavaScript, JSP, C/C++, HTML, XML, SQL, Windows, UNIX, .Net, Agile, Waterfall
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2mo
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Software Engineer - Senior (contingent 045)
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
Systems Products and Solutions
Systems Products and Solutions: Provides aviation and ground sustainment services for defense agencies.
7+ YOESenior software engineer with DoD experience, specializes in biometric systems, secure coding, and Agile/DevSecOps.
Android, CI/CD, DevOps, DevSecOps, Security, Encryption
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1w
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Senior Software Developer (NLP)
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
5+ YOEUS citizen with Secret clearance; bachelor’s degree with 5 years relevant software development experience (or 8 years experience); experience integrating NLP into production, proficiency in modern programming languages and mission-critical systems.
Python, C++, Java, C#, Go, Docker, Kubernetes, transformer-based frameworks, vector databases, LLM APIs
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2mo
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Software Engineer - Senior (contingent 045)
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
Systems Products and Solutions: Provides logistics and technical services to defense agencies.
7+ YOESenior software engineer with DoD biometric systems experience; security clearance required; Agile/DevSecOps; Android apps; cybersecurity.
Android, DevOps, DevSecOps, CI/CD, Security testing, Encryption
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1mo
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Nuuly Senior Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Urban Outfitters
Urban OutfittersNasdaq: URBN: Retails fashion apparel, home goods, and subscription-based clothing rentals.
5+ YOE5-7 years software engineering experience with ~2 years senior-level responsibility; strong JVM (Java/Kotlin/Scala), microservices, Postgres/AlloyDB, cloud (GCP/AWS/Azure), Docker/Kubernetes, distributed systems, and AI tool usage.
Kotlin, Spring, Postgres, AlloyDB, Google Cloud Platform (GCP), AWS, Azure, Docker, Kubernetes, Java, Scala, Python, Go, Node/TypeScript, Kafka, Spark, Storm, ChatGPT, Claude, Cursor, Windsurf, Copilot
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1mo
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SENIOR SOFTWARE DEVELOPER/ENGINEER (CLOUD/CYBER)
Huntsville or Aberdeen or Colorado Springs or Crestview or Tupelo
OnsiteFull Time
Sentry Construction
Sentry Construction: Provides general contracting and comprehensive property maintenance services.
7+ YOEBS in CS/Software Eng or equivalent, 7+ years software development experience, DoD Top Secret/SCI eligibility, experience with Python, containers, AI/LLMs, databases, Linux, AWS, and Agile/Scrum.
LLMs, Ollama, LM Studio, Python, C#, Go Lang, React, JavaScript, HTML, CSS, Git, Docker, Bash, TensorFlow, PyTorch, SQL, MongoDB, PostgreSQL, Redis, Linux, AWS, RESTful API, Agile/Scrum
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1mo
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Nuuly Senior Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Urban Outfitters
Urban OutfittersNASDAQ: URBN: Multi-brand retail operator of lifestyle apparel and home goods.
5+ YOE5+ years software engineering experience with ~2 years senior-level responsibilities; strong JVM (Java/Kotlin/Scala) or backend skills, microservices, cloud (GCP/AWS/Azure), Docker/Kubernetes, Postgres/AlloyDB, and practical LLM/AI tool use.
Java, Kotlin, Scala, Python, Go, Node, TypeScript, JVM, Spring, Google Cloud Platform (GCP), AWS, Azure, Docker, Kubernetes, Postgres, AlloyDB, Kafka, Spark, Storm, RESTful APIs, ChatGPT, Claude, Cursor, Windsurf, Copilot, MCP
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3d
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Senior Specialist - Software Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
Nasdaq
NasdaqNASDAQ: NDAQ: Operates global electronic marketplaces and provides financial technology services.
6+ YOEBachelor's in CS/Information Systems or equivalent,6+ years software development experience,strong Java and OOD skills,EMR not applicable,clear communicator,experience with low-latency systems preferred.
Java, AWS, AI/ML
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1mo
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Senior Software Engineer
Philadelphia or United States or Canada
$123k/yr RemoteFull Time
Sports Reference
Sports Reference: Provides comprehensive online databases of sports statistics and history.
4+ YOE4+ years software development experience, full-stack web development, CI/CD and data ingestion familiarity, strong communication and mentoring skills, history of producing maintainable testable code for high-traffic sites.
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4w
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Senior Software Engineer
Aberdeen, Maryland, United States
$90k-$198k/yr OnsiteFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
10+ YOE10+ years software engineering experience in Defense, BA/BS or equivalent experience, proficiency with C++, Java, Python, C#, secure coding and Defense standards, DoD cybersecurity certification preferred.
C++, Java, Python, C#, Git, SVN, CI/CD, automated testing tools
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1mo
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Senior Software Engineer
Conshohocken, Pennsylvania, United States
$110k-$130k/yr OnsiteFull Time
Morgan Properties
Morgan Properties: Operates and manages multifamily residential apartment communities.
6+ YOE6+ years full-stack software engineering experience with Node.js, React, SQL Server, Azure; strong SQL tuning, performance optimization, and production ownership from data layer to UI.
Node.js, React, SQL Server, Azure, Container Apps, Key Vault, Container Registry, Public Cloud Infrastructure, Microsoft Office Suite, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Git, Docker, CI/CD, Yardi Voyager, RealPage, LRO, Banner
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2mo
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Senior Software Engineer
United States or California or Philadelphia
$141k-$176k/yr RemoteFull Time
G-P
G-P: SaaS platform for global hiring and compliance management.
Full‑stack prototyping chops, 0-to-1 hacking experience, experience with AI development accelerators, data integration and analytics, workflow encoding intuition, extreme ownership and rapid shipping mindset.
Cursor, Claude, GitHub Copilot, LangChain, LlamaIndex, Vercel AI SDK, AWS, ECS/Fargate, S3, Lambda, Bedrock
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1d
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Senior Software Engineer, Frontend Platform
United States or San Francisco or New York City or Los Angeles or Boston or Seattle or Washington or San Diego or Chicago or Austin or Dallas or Portland or Denver or Philadelphia or Baltimore or Sacramento or Minneapolis or Miami or Atlanta or Phoenix or Orlando or Las Vegas or Salt Lake City or Madison or Birmingham or San Antonio or Spokane or Toronto
$125k-$210k/yr HybridFull Time
Roo
Roo: Digital marketplace connecting veterinary professionals with animal hospital shifts.
Significant production software experience with deep React and TypeScript expertise, full-stack fundamentals, mobile experience, design systems, Figma, and hands-on AI-assisted development.
React, TypeScript, React Native, Figma, Cursor, Claude, Storybook, style-dictionary, Framer Motion, Rive, Lottie, Expo
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1d
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Java Lead - Senior Software Engineer
Reading or Berwyn
$73k-$174k/yr HybridFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
10+ YOERequires 10+ years with Java, RESTful services, Spring MVC, Angular, and software development; experience with databases, Git, Maven, Jenkins, Docker, OpenShift, testing, and Agile projects.
Java, Spring Boot, Angular, TypeScript, Karma, Jasmine, JUnit, Mockito, SQL, Docker, OpenShift, Spring MVC, J2EE, Hibernate, Spring JPA, JavaScript, CSS, HTML, jQuery, Ajax, VueJS, MySQL, PostgreSQL, Oracle, Git, Maven, Jenkins, Spring Cloud, Nginx, NodeJS, Redis
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