526 senior software development engineer jobs at 182 companies in Chester, PA
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Senior Software Developer (Agentic Development)
Philadelphia or United States
$110k-$135k/yr RemoteFull Time
5+ YOE5+ years software development experience; BS/MS in technical discipline; strong OOP, design patterns, Agile experience; expertise with Angular, ASP.NET Core, C#, JavaScript/TypeScript, PostgreSQL, Entity Framework Core; experience building developer tools and automation.
Angular, ASP.NET Core, C#, JavaScript, TypeScript, CSS, SASS, HTML, PostgreSQL, Entity Framework Core
3w
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Software Development Engineer
Philadelphia or Reston
OnsiteFull Time
5+ YOE5+ years building and operating distributed backend systems, experience with GraphQL/REST APIs, Python/Go/Java/C++, relational or NoSQL databases, containerized deployments and CI/CD; Bachelor's preferred; must be authorized to work in the US (no sponsorship).
GraphQL, REST, PostgreSQL, Python, Go, Java, C++, Docker, Kubernetes, MLOps, CI/CD
1d
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Senior Software Engineer II
Philadelphia or Pennsylvania or New York or United States
$95k-$159k/yr OnsiteFull Time
5+ YOERequires 5+ years of software engineering experience, a bachelor's degree in engineering or computer science or equivalent experience, and proficiency with software development, data modeling, storage, and programming technologies.
Agile, Waterfall, Java, J2EE, JavaScript, JSP, C, C++, HTML, XML, SQL, Windows, UNIX, .Net
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
3mo
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Senior Software Engineer
Moorestown, New Jersey, United States
$106k-$180k/yr OnsiteFull Time
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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Senior Software Engineer
Berwyn, Pennsylvania, United States
$158k-$189k/yr RemoteFull Time
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
1d
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Senior Software Engineer II
Philadelphia or Pennsylvania or New York or New York City or Rochester
$95k-$159k/yr OnsiteFull Time
5+ YOERequires 5+ years of software engineering experience, a bachelor's degree in engineering or computer science or equivalent, advanced development knowledge, data modeling, storage systems, and multiple programming languages.
Agile, Waterfall, Java, J2EE, JavaScript, JSP, C, C++, HTML, XML, SQL, Microsoft Windows, UNIX, .NET
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
2mo
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Senior Software Engineer, Platform Engineering
New York or Atlanta or Lawrenceville or Irving
$101k-$170k/yr HybridFull Time
5+ YOE5+ years software engineering experience; cloud projects (AWS preferred); proficiency in two programming languages; IaC (CDK/CloudFormation); modular libraries/APIs; CI/CD (GitHub Actions); strong collaboration; legal right to work in the U.S.
AWS, CDK, CloudFormation, GitHub Actions, TypeScript, Python, Datadog
1d
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Senior Software Engineer
Aberdeen Proving Ground, Maryland, United States
$160k-$200k/yr OnsiteFull Time
8+ YOEBachelor's degree and 8+ years of software engineering experience, including 3+ years supporting defense programs. Requires Secret clearance and experience with scalable software, programming languages, cloud, tactical edge, agile, and DevSecOps.
Python, Java, C++, Go, Docker, Kubernetes, SAFe, Scrum, Kanban, DevSecOps, CI/CD, Zero Trust
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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
1mo
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Nuuly Senior Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
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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Senior Software Engineer
Aberdeen, Maryland, United States
$90k-$198k/yr OnsiteFull Time
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
1mo
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Senior Software Engineer
Conshohocken, Pennsylvania, United States
$110k-$130k/yr OnsiteFull Time
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
1mo
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Senior Software Engineer – Mobile Development (Android)
Philadelphia, Pennsylvania, United States
$105k-$110k/yr OnsiteFull Time
5+ YOE5+ years Android development experience with Kotlin, Jetpack/Compose, Play Store deployment, REST API integration, strong problem-solving and communication; bachelor\u0002s degree required or equivalent experience.
Kotlin, Jetpack Compose, Coroutines, Android Studio, Gradle, Android SDK, Google Play Console, Git, NodeJs, TypeScript, React Native, SQL, PostgreSQL, Oracle, MSSQL, Amazon Web Services (AWS)
3d
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Senior Software Engineer
Conshohocken, Pennsylvania, United States
HybridFull Time
5+ YOEBachelor's degree in computer science, engineering, or related field; 5 years building software; 2 years AWS architecture; JavaScript, TypeScript, SQL, APIs, event-driven systems, and technical leadership.
Electronic Data Interchange (EDI), API, AWS, JavaScript, React, Node.js, Express, React Native, TypeScript, AWS Cloud Development Kit (CDK), Terraform, AWS Lambda, Amazon ECS, AWS Fargate, Amazon Aurora PostgreSQL, SQL, JSONB
1d
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Senior Software Engineer
Aberdeen Proving Ground, Maryland, United States
OnsiteFull Time
8+ YOEBachelor's degree in a technical field, 8+ years of software engineering experience, 3+ years supporting defense or interagency programs, Secret clearance, programming, cloud, agile, DevSecOps, and tactical-edge experience.
Python, Java, C++, Go, Docker, Kubernetes, SAFe, Scrum, Kanban, DevSecOps, CI/CD, Zero Trust
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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Senior Software Engineer
Aberdeen Proving Ground, Maryland, United States
$150k-$180k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience; bachelor’s in CS/SE/EE or equivalent experience; active TS/SCI clearance; US citizenship; experience with full-lifecycle development, hardware-software integration, modeling, and testing.
1mo
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SENIOR SOFTWARE DEVELOPER/ENGINEER (CLOUD/CYBER)
Huntsville or Aberdeen or Colorado Springs or Crestview or Tupelo
OnsiteFull Time
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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