227 software system engineer jobs at 131 companies in Newark, DE
1d
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Controls System Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
3+ YOEBachelor's degree or post-secondary education in automation, computer science, electrical engineering, or electronics; 3+ years in controls engineering software; PLC, SCADA/HMI, Microsoft tools, English, and travel eligibility required.
Siemens TIA Portal, Siemens STEP 7, Rockwell, B&R, Siemens WinCC, Movicon, Microsoft Outlook, Microsoft Project, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, PLC, SCADA, HMI, FAT, SAT, IQ/OQ, PQ
1mo
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Software Engineer
Aberdeen Proving Ground, Maryland, United States
$130k-$170k/yr OnsiteFull Time
5+ YOEMinimum 5 years software/systems engineering experience, proficiency in C++, Python or Java, Secret clearance, familiarity with systems engineering, IPTs, and test events; Bachelor’s in CS/Software Engineering preferred (experience may substitute).
C++, Python, Java, Kubernetes, NGTS, SIMDIS, TAK, AIDP, AFATDS, MEPED, JSDR, EWC2, EWPMT-X
2mo
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Software Systems Engineer
King of Prussia, Pennsylvania, United States
$73k-$129k/yr OnsiteFull Time
US citizen with final Secret clearance required; experience in systems engineering (requirements/ICD development, subsystem design, or system/software modeling); familiarity with MBSE/Cameo (MagicDraw), DOORs, and DOD software CDRL development; strong communication skills.
Cameo Systems Modeler (MagicDraw), Cameo Enterprise Architecture, DOORs
2w
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Software Systems Engineer
Auburn or Aberdeen
$65k-$175k/yr OnsiteFull Time
Bachelor's in engineering/computer science, US citizenship, ability to architect software, produce system engineering artifacts, develop test plans, perform integration, and travel for customer support.
C++, cmake, Docker, Kubernetes, Helm, git, CI/CD
1w
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Principal Software Engineer
Lititz or United States
OnsiteFull Time
12+ YOE12+ years software engineering experience; expert in scalable distributed systems, full-stack development, front-end frameworks, cloud-native apps, and technical leadership.
Vue.js, TypeScript, JavaScript, HTML, CSS, C#, .NET, Java, AWS, Kafka, Spark, Hadoop, Presto, GitHub Copilot, Claude Code, Codex
1w
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Staff Software Engineer
Philadelphia or United States
$169k-$192k/yr OnsiteFull Time
8+ YOE8+ years software engineering experience; proficiency in Python, Go, TypeScript or SQL; backend, APIs, distributed systems, Postgres, AWS/GCP, Docker/Kubernetes, Kafka/Redis; strong system design and cross-team leadership.
Python, Go, TypeScript, SQL, Postgres, AWS, GCP, Docker, Kubernetes, Kafka, Redis, Grafana, Prometheus, GitLab CI/CD
1mo
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Lead Software Engineer-AI
Columbus or Wilmington
OnsiteFull Time
7+ YOE7+ years applied software engineering experience; strong system design and production engineering skills; proficiency in Python or TypeScript; experience with agent frameworks (e.g., LangChain, LlamaIndex), LLM API integration, cloud-native systems, and evaluating reliability/observability.
Python, TypeScript, LangChain, LlamaIndex, AutoGen, CrewAI, Cloud Foundry, GKP, Jules CI/CD, TrueCD, Sophia auth
2mo
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Senior Software Engineer
Arlington or Mount Laurel or San Diego or Fall River
$135k-$273k/yr HybridFull Time
7+ YOEBachelor's degree or equivalent, 7+ years software engineering experience, able to obtain/maintain Secret U.S. security clearance, experience leading/mentoring, expertise in SDLC, OOP, distributed systems, secure coding, testing, and integration.
SDLC, Service-Oriented Architecture (SOA), AI, Generative AI
1mo
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Principal Software Engineer
Moorestown, New Jersey, United States
$128k-$218k/yr OnsiteFull Time
8+ YOEBachelor's in engineering/computer science or equivalent, U.S. citizenship, ability to obtain Secret clearance, 8+ years software development experience in real-time/mission systems, experience with Java, C++, or Python, Linux/UNIX, and IDEs.
Java, C++, Python, Linux, UNIX, Eclipse, UML, Clearcase, JIRA, xUnit, Junit, CPPUnitLite, Assemblers
1mo
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Lead Software Engineer
Newark, Delaware, United States
$128k-$201k/yr OnsiteFull Time
6+ YOE6+ years software engineering experience building cloud and edge systems; experience in regulated environments, secure development practices, QMS familiarity, AI integration, Agile and version control proficiency; degree in CS/SE/STEM.
Microsoft Azure, Google Cloud Platform (GCP), Agile
2mo
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Software Engineer - Senior (contingent 045)
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
7+ YOESenior software engineer with DoD experience, specializes in biometric systems, secure coding, and Agile/DevSecOps.
Android, CI/CD, DevOps, DevSecOps, Security, Encryption
4d
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Senior System Engineer
Royersford, Pennsylvania, United States
OnsiteFull Time
5+ YOEOn-site IT engineer to support imaging center operations, manage hardware/software, handle escalations and on-call support, onboard customers, and improve processes; US citizen eligible for Public Trust required.
Microsoft Windows 10, Microsoft Windows 11, Microsoft Windows Server 2016, SQL Database, Active Directory, Kofax, PowerShell
6d
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Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
3+ YOEBS in CS/EE/CE, 3+ years software development experience (control systems preferred), active DoD Secret clearance, ability to travel ~10%, onsite >=50%, proficiency in C/C++/C#/Java, Linux, version control, and technical documentation.
Microsoft.NET Framework, Windriver Workbench, Tornado IDEs, Linux, C, C++, C#, Java, JIRA, Confluence, SVN, Git, Matlab, Labview, MS Access, SQL
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
1mo
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Staff Software Developer
Canada or Philadelphia
$170k-$220k/yr RemoteFull Time
7+ YOE7+ years software engineering experience; strong CS fundamentals, distributed systems, PostgreSQL, GraphQL, gRPC, SQL, Kubernetes, observability (DataDog, Bugsnag); comfortable with Elixir, Java, Rust, TypeScript; testing framework experience; mentoring skills.
Elixir, Java, Rust, TypeScript, GraphQL, gRPC, SQL, PostgreSQL, Kubernetes, DataDog, Bugsnag, ExUnit, RSpec, Jest, pytest, AI
3w
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Senior Software Engineer, Backend FinPlatform
New York City or San Francisco or Salt Lake City or Los Angeles or Seattle or Austin or Washington or Philadelphia or San Diego or Chicago or Atlanta or Australia or Canada or South America
$146k-$215k/yr RemoteFull Time
6+ YOE6+ years software engineering experience, 4+ years with Java, experience with backend systems, APIs, data pipelines, AWS, and distributed teams.
Java, Spring, Gradle, JUnit, JVM, AWS, EKS, Aurora RDS, Elasticache, DynamoDB, GitHub Actions, git, DataDog, Snowflake, CDK, Terraform
2d
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Software Engineer II
Newark, Delaware, United States
OnsiteFull Time
5+ YOEBachelor's degree or equivalent experience and 5+ years of software development experience, with Java, Spring, REST, testing, DevOps, distributed systems, and application monitoring expertise.
Java, J2EE, Spring MVC, Spring Framework, Spring Boot, Spring Security, Spring Integration, Spring Data JPA, SOAP, REST, JSON, Handlebars, Foundation, ReactJS, XML, JAXB, Jackson, Gson, JUnit, Git, Maven, Nexus, Eclipse, Bitbucket, Splunk, Dynatrace, WebSphere MQ, ActiveMQ, JVM, Groovy
1d
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Embedded Software Engineer
Malvern, Pennsylvania, United States
OnsiteFull Time
3+ YOEBachelor's degree in a related engineering or computer field and 3+ years of embedded software experience; requires C/C++, microcontrollers, real-time systems, hardware interfaces, debugging, version control, and communication skills.
C, C++, I2C, SPI, DMA, UART, ARM Cortex-M, STM32, IO-Link, MODBUS, RS-485, MATLAB, Python, RTOS
4d
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Principal Software Engineer, Core Services
Wayne or Naperville
$160k-$185k/yr HybridFull Time
10+ YOE10+ years software engineering experience, bachelor’s in CS or equivalent, deep TypeScript/Node.js skills, cloud-native and distributed systems experience, leadership and mentoring experience.
TypeScript, Node.js, NestJS, EC2, Lambda, S3, SNS, SQS, Docker, Kafka, React, Kubernetes, GitHub Copilot, Claude Code, OpenAI Codex
1mo
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Nuuly Senior Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
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