105 software tool engineer jobs at 60 companies in New Castle, DE

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Software Engineer Staff
Colorado Springs or King of Prussia
$114k-$227k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
U.S. citizenship and ability to obtain Secret clearance required. Professional front- and back-end software engineering experience, familiarity with DevSecOps (GitLab/GitHub), Docker, Kubernetes, web/backend frameworks, automated testing tools, and Agile; bachelor’s degree preferred.
DevSecOps, GitLab, GitHub, Docker, Kubernetes, AstroUx, .NET Core, Spring Boot, Angular, React, Cypress, Playwright, Postman, Agile
1mo
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Lead Software Engineer
Wilmington, Delaware, United States
OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years software engineering experience; building high-volume, low-latency transactional systems; microservices with Java/Spring Boot and Python (FastAPI/Flask); AWS services experience; SQL/RDBMS proficiency; agile/SCRUM and experience with AI-assisted development tools.
Java, Python, Spring Boot, FastAPI, Flask, S3, DynamoDB, ECS, EKS, RDS, Lambda, ALB, NLB, GitHub Copilot, Claude, Splunk, Dynatrace, Grafana, RDBMS, SQL, JDBC, Databricks
3mo
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Principal Software Engineer
Dresher or Philadelphia
OnsiteFull Time
Ascensus
Ascensus: Administers tax-advantaged retirement and education savings plans.
Bachelor's degree in computer science or engineering; strong technical leadership; AI tooling experience; hands-on software development; Agile experience; excellent problem-solving and communication skills.
C, C++, Python, Apache, Nginx, Redis, jQuery, PowerShell, React, Docker, Kubernetes, CI/CD, TDD, Agile
1w
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Software Developer
Exton or Philadelphia
RemoteFull Time
CAP Index
CAP Index: Provides data-driven crime risk forecasting and security management solutions.
5+ YOE5+ years professional software development experience with C# and .NET; experience with React, TypeScript, SQL Server, PostgreSQL, Docker, testing tools, and CI/CD; bachelor's degree or equivalent experience preferred.
C#, .NET, React, SQL Server, PostgreSQL, ASP.NET Core, Entity Framework Core, TypeScript, Testcontainers, Playwright, Docker, Docker Compose, GitHub Actions, xUnit, Bicep, Azure Container Apps, Kubernetes
1w
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Lead Software Engineer (Bank Tech)
McLean or Richmond or Wilmington
$179k-$225k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor's degree, minimum 4 years software engineering experience, 1+ year cloud experience, proficiency in listed programming languages and cloud tools, strong communication and mentoring skills.
JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, Go, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud
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
1mo
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Nuuly Senior Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Urban Outfitters, Inc.
Urban Outfitters, Inc.NASDAQ: URBN: Multinational lifestyle retail operating diverse apparel and home brands.
5+ YOE5+ years software engineering experience with ~2 years senior-level responsibility; strong JVM proficiency (Java/Kotlin/Scala), microservices, cloud (GCP/AWS/Azure), Kubernetes, Postgres/AlloyDB, distributed systems, and practical LLM/AI tooling experience.
Kotlin, Spring, Postgres, AlloyDB, Google Cloud Platform (GCP), AWS, Azure, Kubernetes, Docker, Java, Scala, Python, Go, Node, TypeScript, RESTful APIs, Kafka, Spark, Storm, ChatGPT, Claude, Cursor, Windsurf, Copilot, JVM, MCP
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Software Engineer - II
Moorestown, New Jersey, United States
$72k-$100k/yr OnsiteFull Time
Thunderbolt Solutions
Thunderbolt Solutions: Provides engineering and software for defense and logistics.
0+ YOEBachelor's degree or equivalent, U.S. citizenship and ability to obtain secret clearance, 0-2 years real-time mission-critical software experience, proficiency in object-oriented design and EM/IDE tools.
Java, C++, Python, Windows, Solaris, Linux, UNIX, Microsoft Office, Eclipse, UML, Clearcase, JIRA, xUnit Framework, JUnit, CPPUnitLite, Assemblers
5d
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Associate Software Engineer
Moorestown, New Jersey, United States
$72k-$123k/yr OnsiteFull Time
ASRC Federal
ASRC Federal: Provides engineering and IT services to federal government agencies.
0+ YOEBachelor's in engineering/CS/math/physics or equivalent, ability to obtain security clearance, 0-2 years experience in real-time mission-critical development, familiarity with OOP and Java/C++/Python, EM/IDE tools.
Java, C++, Python, Windows, Solaris, LINUX, Microsoft Office, Eclipse, Clearcase, JIRA, xUnit Framework, Junit, CPPUnitLite, Assemblers, UML
2mo
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Lead Engineer, Software
Horsham, Pennsylvania, United States
$89k-$152k/yr OnsiteFull Time
Coherent
CoherentNYSE: COHR: Manufactures lasers, engineered materials, and optical networking components.
5+ YOEBS in Engineering or CS; 5+ years in verification test for communications; automated interface testing; Linux embedded; Python automation; TCP/IP, Ethernet, OTN; DWDM optics; familiar with 100G/400G/800G; lab debugging tools.
Python, Linux, Jenkins, GitLab, VS Code, Netconf/YANG, SNMP, gRPC
1w
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Senior Software Engineer
Audubon, Pennsylvania, United States
OnsiteFull Time
Globus Medical
Globus MedicalNYSE: GMED: Manufactures medical devices and robotic systems for musculoskeletal surgery.
3+ YOEBachelor's (5+ yrs) or Master's (3+ yrs) in relevant field, strong C++ (C++17+) and Qt/QML skills, experience with medical or robotic applications, knowledge of regulatory/safety considerations, proficiency with Visual Studio, Git, Microsoft tools.
C++, Qt, QML, Microsoft Visual Studio, Microsoft Visual Studio Code, Git, Microsoft Teams, Microsoft Office
2mo
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Lead Software Engineer
Camden, New Jersey, United States
$116k-$140k/yr HybridFull Time
Subaru of America
Subaru of America: Distributes automobiles and services in the United States.
8+ YOE8+ years Java, 4+ years AEM, 3+ years cloud, AWS microservices, front-end tech, build tools.
Java, Spring Boot, AEM, AWS, Maven, Gradle, Vue.js, React, jQuery, CSS, HTML5, S3, EC2, Lambda, API Gateway, Docker, GitHub Actions
2w
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Backend Software Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
Bainbridge Health
Bainbridge Health: Provides medication safety and pharmacy data analytics software for hospitals.
Proficiency in Go, Python, Bash, and SQL; Linux and GCP experience; CI/CD and build tooling familiarity; experience in healthcare/regulated environments and building web services with OpenAPI.
Go, Python, Bash, SQL, JavaScript, Linux, GCP, Kubernetes, GKE, Cloud Firestore, Cloud Storage, BigQuery, GitHub Actions, Please, Bazel, Buck, Pants, OpenAPI, Windows, RDBMS
2w
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Manager Software Engineering
Fort Washington, Pennsylvania, United States
OnsiteFull Time
Jefferson
Jefferson: Providing healthcare services and academic programs in Pennsylvania.
10+ YOE5+ MgmtBachelor's or equivalent, 10+ years software engineering with 5+ years leading teams; experience with Java/JavaScript/Python, cloud, containers, CI/CD, DevOps, security, databases, and monitoring tools.
ServiceNow, Salesforce, Adobe AEM, Drupal, Unily, MuleSoft, Kyruss, Credential Stream, Azure, EPIC, Java, JavaScript, Python, Docker, Docker Swarm, Kubernetes, Spring Boot, Git, Azure DevOps, Jenkins, GitLab CI/CD, Elasticsearch, Logstash, Kibana, Splunk, SQL, NoSQL
2mo
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Software Engineer - AI Augmented Development
Wayne, Pennsylvania, United States
HybridFull Time
PowerPay
PowerPay: Digital lending platform for home improvement and healthcare loans.
1+ YOEProficient in Python and SQL; strong AWS experience; able to use AI-assisted development tools; effective communicator.
Python, SQL, AWS, Snowflake (nice to have), AI tools (Claude Code, OpenAI Codex, Cursor, Copilot), CloudFormation or CDK, Terraform (nice to have), SQL
1mo
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Software Developer | Market Data | Libraries & Tools
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
Susquehanna International Group: Global quantitative trading firm providing proprietary financial market liquidity.
BS/MS in CS or Computer Engineering, strong C++ high-performance computing skills, performance optimization/latency reduction experience, attention to detail, collaboration with developers, traders, quants, and infrastructure teams.
C++, Python, RESTful services, Linux, Windows
2d
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Senior Software Engineer (Boundary Traffic Management)
Bellevue or Philadelphia
$146k-$272k/yr HybridFull Time
Warner Bros. Discovery
Warner Bros. DiscoveryNasdaq: WBD: Produces and distributes multimedia entertainment content and news worldwide.
5+ YOE5+ years experience with Python, Kubernetes (K8's), Terraform, bash, CI/CD; 3+ years cloud (AWS/Azure); networking and Istio experience; 1+ year AI exposure; strong communication and platform/tooling focus.
Python, K8's, Terraform, bash, CI/CD, AWS, Azure, Istio
1mo
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Software Engineer in Deployment - JobID-0241
Arlington or Fall River or Mount Laurel or San Diego
$135k-$273k/yr HybridFull Time
Innovative Defense Technologies
Innovative Defense Technologies: A defense technology delivering automated mission-critical software and systems to the U.S. government.
7+ YOEBachelor's or equivalent experience; 7+ years software development/deployment experience; expertise with Kubernetes/Docker, Helm/ArgoCD, virtualization, networking, automation tools, Linux, Bash, SQL/Python/Java/JavaScript; able to obtain Secret clearance.
Docker, Kubernetes, Helm, ArgoCD, VMware, KVM, EC2, TCP/IP, DNS, Load Balancing, Firewall, VLANs, Ansible, Terraform, Puppet, Salt, LLMs, AI coding assistants, Linux, Bash, SQL, Python, Java, JavaScript, HTML, CSS, RKE2, Rook/Ceph, NFS, Git, Jenkins, Artifactory, Amazon Web Services, Microsoft Azure
2mo
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Lead Software Test Engineer
Exton or Austin
$123k-$205k/yr HybridFull Time
Cox Enterprises
Cox Enterprises: Providing global communications, automotive services, and media solutions.
6+ YOEBachelor's degree and 6+ years of test automation experience; strong in Playwright, RestSharp, Pact.NET, xUnit; performance testing with JMeter or k6; API/integration testing; AI tooling experience.
Playwright, RestSharp, Pact.NET, xUnit, JMeter, k6, TestContainers
3w
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Full Stack Software Developer
Camden, New Jersey, United States
$110k/yr OnsiteFull Time
Holtec International
Holtec International: Provides nuclear fuel storage systems and small modular reactors.
1+ YOEMaster's in CS/CE/IT required, 1+ year related experience, experience with .NET (Framework/Core), C#, RESTful APIs, SQL/relational databases, Git, Visual Studio, Azure DevOps, and data visualization tools.
.NET Framework, .NET Core, C#, Visual Studio, SQL, Tableau, Azure DevOps, Git, Postman, Entity Framework, HTML5/CSS3, MySQL, Power BI, Azure Cloud Services, RESTful Web APIs