45 software engineer 1 jobs at 31 companies in Middletown, DE

2mo
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Software Engineer 1
Annapolis Junction, Maryland, United States
OnsiteFull Time
Entegra Systems
Entegra Systems: Provides engineering and intelligence analysis for government missions.
7+ YOE7+ years in software development for complex programs; Java, REST services, Spring/SpringBoot; DevOps; container tech; TS/SCI with poly required.
Java, REST, Spring, SpringBoot, Jenkins, Gradle, Maven, Git, Docker, Kubernetes, ELK, Prometheus, Grafana
1mo
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Ground Software Engineer
King of Prussia or Littleton
$77k-$152k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
1+ YOEActive Top Secret/SCI clearance, BS degree, typically 1+ years professional software experience, ground subsystems and scaled Agile development experience, strong software engineering and communication skills.
Java, Angular, Python, C# .NET, JavaScript, TypeScript, Docker, Kubernetes, Rancher, GitLab, DevSecOps, CI/CD, SAFe
3mo
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CNO Software Engineer Level 1
Annapolis Junction, Maryland, United States
OnsiteFull Time
Adaptic
Adaptic: Defense contractor providing software, engineering, and cybersecurity mission support.
7+ YOESeven years SWE experience; BS in CS; strong programming in C/C++/Java/Python; DevOps & CI/CD; TS/SCI with polygraph.
C, C++, C#, Java, Python, Docker, Terraform, Ansible, Packer, Artifactory, Jenkins, Bamboo
1mo
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Software Engineer 1 - DSP Runtime
New York City or Baltimore
$170k-$200k/yr HybridFull Time
Nexxen
NexxenNASDAQ: NEXN: Provides data-driven programmatic advertising and unified adtech software platforms.
5+ YOE5+ years building large-scale, low-latency distributed systems; strong Java/Scala skills; experience with streaming, containerization, SQL/NoSQL, microservices, RTB/OpenRTB; Git/GitLab and Linux experience.
Java, Scala, OpenRTB, VAST, Kafka, Kinesis, Docker, Kubernetes, Redis, MongoDB, Aerospike, Cassandra, KeyDB, REST, gRPC, Git, GitLab, Linux
1w
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Ground Software Engineer
Fort Worth or King of Prussia or Orlando or Marietta
OnsiteFull Time
Infinity Systems Engineering
Infinity Systems Engineering: Provides specialized systems engineering and mission operations for aerospace programs.
1+ YOEDesign, develop, integrate, and test ground mission software (C++ primary) for DoD programs; U.S. citizenship and Secret clearance required; 1+ years software engineering experience preferred.
C++, C#, Python, GitLab, Git, Jira, Confluence, GitLab CI
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
2w
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Associate Software Developer
West Chester, Pennsylvania, United States
HybridFull Time
Venerable
Venerable: Manages and optimizes legacy variable annuity business blocks.
1+ YOE1+ years professional experience in AI/ML and micro-service systems; proficiency with AWS services, Python, C#, ML libraries, and enterprise software development practices.
SageMaker, Lambda, EC2, S3, EFS, SNS, SQS, EventBridge, Kinesis, Aurora, DynamoDB, RDS Proxy, Glue, Athena, Redshift, AWS Step Functions, AWS CodePipeline, Python, TensorFlow, PyTorch, scikit-learn, C#, PowerShell, SQL, JavaScript, UML, Docker, Git, GitHub, Jenkins, Bamboo, TeamCity, SpecFlow, Cucumber, Protobufs, Thrift, Avro, JSON, ODBC, Kafka, Angular, React
1mo
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Software Developer
Conshohocken or Portland
OnsiteFull Time
Suvoda
Suvoda: Software for clinical trial randomization and patient data collection.
Bachelor's degree required; 1+ year IRT or related experience preferred. Experience with C#, .NET, SQL Server; familiarity with Web-Services, MVC, and Entity Framework. Strong time management, ownership, and communication skills.
C#, .NET, SQL Server, Web-Services, Model View Controller (MVC), Entity Framework (EF), Interactive Response Technology (IRT)
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
1mo
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AI Native Software Engineer
Arlington or Milwaukee or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or Chicago or Pittsburgh or Hartford or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Morristown or San Francisco or Boston or Denver or Philadelphia or Des Moines or Overland Park or Los Angeles or Walnut Creek or Charlotte or Seattle or Carmel or Houston or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego or California or Colorado or District of Columbia or Illinois or Maine or Maryland or Massachusetts or Minnesota or New York or New Jersey or Virginia or Washington or United States
$54k-$235k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
3+ YOE3+ years cloud-native engineering, 1+ year building/deploying agentic solutions, 1+ year with modern AI platforms, 3+ years Python/Java and IaC (Terraform, Helm); Bachelor's in CS/Engineering or equivalent experience; strong client communication.
Anthropic, Google, OpenAI, Vertex AI, Claude, Claude SDK, Open AI SDK, Lang-graph, Crew AI, Kubernetes, Docker, Terraform, Helm, Python, Java, CI/CD, GitHub
1mo
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Software Developer I
Aberdeen Proving Ground, Maryland, United States
$95k/yr HybridFull Time
Agile Defense
Agile Defense: Provides IT modernization and cybersecurity for federal government agencies.
1+ YOEMust have Interim Secret/Top Secret clearance to start, obtain Security+ (IAT-II) within 90 days, 1+ years Java experience (Core Java 1.7+), and familiarity with JDBC/MySQL, JMS/Artemis/ActiveMQ, ESB and XML technologies. Bachelor's typical; 0-2 years experience.
C, C++, Java, Core Java (1.7+), JDBC, MySQL, JMS, Artemis, Apache ActiveMQ, Enterprise Service Bus, XML, XSD, XSLT, XPATH, Object XML mapping, GitLab, Apache Ant, IZPack, PHP, JavaScript, REST, Web Services, SNMP, Apache HTTP server, Windows IIS, LDAP, Active Directory, Wireshark, Java PCAP libraries, VMWare ESX, Microsoft HyperV
4d
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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
2mo
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Senior Structural Engineer 1 - Nuclear
Wilmington, Delaware, United States
$85k-$129k/yr OnsiteFull Time
Sargent & Lundy
Sargent & Lundy: Engineering and consulting services for the power industry.
5+ YOESenior structural engineer with 5+ years in design/analysis of structures; BS in Civil Engineering ABET; proficiency in structural software; knowledge of IBC/ASCE7/AISC/ACI; strong communication.
STAAD, SAP2000, SAFE, STRUDL, ANSYS, MS Office
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
6d
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Journeyman Software Developer
United States or Aberdeen
RemoteFull Time
Eagle Integrated Services
Eagle Integrated Services: EIS provides IT and technical services to government agencies.
1+ YOEBachelor's degree,1+ years application development experience,Palantir Foundry experience preferred,Proficiency in Python,Java,JavaScript,ETL and data integration experience,Secret clearance preferred.
Palantir Foundry, Python, Java, JavaScript
1mo
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Fire Protection Engineer in Training 1
Philadelphia, Pennsylvania, United States
HybridFull Time
EwingCole
EwingCole: Multidisciplinary architecture, engineering, and interior design firm.
0+ YOEBachelor's in Fire Protection or Architectural Engineering, 0–3 years relevant experience, knowledge of fire safety system design and codes (NFPA, IBC/IFC), experience with CFD/egress modeling and software (FDS, PyroSim, Pathfinder, AutoCAD/Revit), strong technical and analysis skills.
Microsoft Office Suite, CFD, FDS, PyroSim, Pathfinder, AutoCAD, Revit
2w
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Senior Software Engineer (Technical Lead) BSI - (Claude, GitHub, Python, NET/C#, Angular, AWS)
Hartford or Saint Paul or Hunt Valley
$139k-$230k/yr HybridFull Time
Travelers
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
5+ YOE5+ years software engineering experience,1+ year shipping production LLM/AI systems preferred,Bachelor's in CS or STEM or equivalent,experience leading technical direction and driving GenAI adoption.
Claude, GitHub, Python, NET/C#, Angular, AWS, OCF, Mongo, DocumentDB, SQL Server, Claude Agent SDK, LangGraph, AgentCore, Anthropic, OpenAI
2mo
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EIT - Traffic Engineer
Canonsburg or Cranberry or Homestead or Philadelphia
HybridFull Time
GAI Consultants
GAI Consultants: Provides professional engineering, planning, and environmental consulting services.
1+ YOEEntry-level traffic engineer with 1-3 years of civil engineering experience; EIT/FE required; BS/MS in Engineering; proficient with traffic design, reports, and design software.
Synchro, HCS, MicroStation, OpenRoads Designer, Microsoft Word, Microsoft Excel
3w
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Manager, Software Development & Engineering (Mobile – Camera Experience)
Philadelphia or Austin
OnsiteFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
5+ YOE1+ MgmtExperience managing software engineers (1+ years),5+ years building native iOS/Android mobile applications,knowledge of mobile architecture,API and streaming experience,ability to hire and mentor engineers; bachelor\u0002s degree preferred.
iOS, Android, MVVM
2mo
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VDC Engineer I
Philadelphia, Pennsylvania, United States
$70k-$87k/yr HybridFull Time
Gilbane
Gilbane: Global firm providing construction and real estate development services
0+ YOEBachelor’s degree in Architecture, Engineering, BIM or related field; 0-1 years VDC coordination experience; knowledge of BIM design software; strong problem-solving, time-management and organizational skills.
BIM design software, Reality Capture technology, laser scanning, drones

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