267 senior software developer jobs at 114 companies in York, PA
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Senior Software Engineer
Baltimore, Maryland, United States
$125k-$155k/yr OnsiteFull Time
5+ YOE5+ years software development, 3+ years building scalable web apps, strong JavaScript (React/Angular/Vue), Node.js, cloud (AWS preferred), database and caching experience, bachelor’s or equivalent.
JavaScript, React, Node.js, Angular, Vue, AWS, SQL Server, Oracle, MongoDB, MySQL, Redis, Memcached, Varnish, Arc XP, WordPress
1mo
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Senior Software Engineer
New York City or Asbury Park or Boston or Chicago or Baltimore
$160k-$180k/yr HybridFull Time
5+ YOE5+ years software engineering experience; lead full-stack development with TypeScript, Node.js, Python, Next.js, Tailwind CSS; experience with Microsoft Azure, Azure DevOps, GitHub, Jira, EMU/AI-enabled features, and leading/mentoring engineers.
TypeScript, Node.js, JavaScript, Next.js, Tailwind CSS, Python, Microsoft Azure, Microsoft Azure DevOps, GitHub, Jira, Figma, Microsoft Dynamics, Microsoft Business Central, Microsoft PowerApps, Microsoft Power BI
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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
1w
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Senior Software Developer (NLP)
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
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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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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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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Senior Software Engineer - FACETS (Remote)
Baltimore, Maryland, United States
$99k-$196k/yr RemoteFull Time
5+ YOEBachelor's degree in IT or computer science, or five additional years of relevant experience, plus five years in software development, architecture, requirements, and specification development.
FACETS, Cognizant ELEMENTS Products, EAM, EDM, TCS, RSM, .NET, Kubernetes, AWS, Azure, JavaScript, C, Python, SQL, Oracle, MongoDB, PostgreSQL, Test-Driven Development (TDD), Behavior-Driven Development (BDD)
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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
3w
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Senior Software Engineer
Baltimore, Maryland, United States
$140k-$160k/yr RemoteFull Time
5+ YOE5+ years software engineering experience, ownership of features from design to production, deep Ruby on Rails backend expertise, relational DB design, strong communication; React and Flutter experience preferred.
Ruby on Rails, React, Flutter, AWS, ECS, RDS, S3
3w
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Senior Software Engineer
Baltimore, Maryland, United States
$140k-$160k/yr RemoteFull Time
5+ YOE5+ years software engineering experience; strong Ruby on Rails backend skills; product-minded; experience with React and Flutter, relational databases, security and reliability (HIPAA/SOC 2); strong communication.
Ruby on Rails, React, Flutter, AWS, ECS, RDS, S3
2d
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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
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
2d
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Java Lead - Senior Software Engineer
Reading or Berwyn
$73k-$174k/yr HybridFull Time
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
1mo
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Senior Software Engineer - Personal Insurance
Hartford or Atlanta or St. Paul or Hunt Valley
$139k-$230k/yr HybridFull Time
6+ YOEBachelor's in CS or related STEM and 6+ years software engineering experience; Salesforce development preferred (Apex, LWC, APIs); experience with database design, CI/CD, cloud platforms, Agile, and technical leadership.
Salesforce, Apex, Lightning Web Components, Salesforce APIs, AWS, Azure, CI/CD, DevOps, Agile
2w
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Senior Software Engineer (Android)
Owings Mills, Maryland, United States
$121k-$206k/yr HybridFull Time
5+ YOE5+ years Android/native mobile development, proficiency with Android SDK,Kotlin,Coroutines,Jetpack Compose,MVVM,RESTful APIs/JSON,CI/CD, automated testing; bachelor’s/masters or equivalent experience.
Android SDK, Kotlin, Coroutines, Jetpack Compose, MVVM, RESTful APIs, JSON, Kiro CLI / IDE, Amazon Bedrock, AgentCore
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Senior Software Engineer (Android)
Owings Mills, Maryland, United States
$121k-$206k/yr HybridFull Time
5+ YOEBachelor's or equivalent experience,5+ years Android mobile development,proficiency with Android SDK,Kotlin,Coroutines,Jetpack Compose,MVVM,REST/JSON,CI/CD,testing;strong debugging,communication,Agile experience.
Android SDK, Android, Kotlin, Coroutines, Jetpack Compose, MVVM, RESTful APIs, JSON, CI/CD, Kiro CLI / IDE, Amazon Bedrock, AgentCore, Google Play Store, HireVue
1w
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Software Engineer
Hunt Valley, Maryland, United States
$86k-$115k/yr HybridFull Time
5+ YOEBachelor's degree in computer science or related field, 5+ years software engineering experience, API and full-stack development experience, familiarity with Agile, testing, and cloud paradigms.
.NET (C#), SQL, HTML, CSS, JavaScript, NodeJS, Angular, React, Vue, Azure DevOps, Git, MS SQL Server, Typescript, REST API, HTTP, Java
3mo
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Software Engineer Senior
Aberdeen Proving Ground, Maryland, United States
$95k-$150k/yr OnsitePart Time
8+ YOEActive Top Secret clearance; Master’s in engineering or computer science; 8+ years related experience; part-time, salary-exempt; Aberdeen Proving Ground, MD.
1w
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Software Engineer (Engineer Software 3) - 29586
Aberdeen Proving Ground or United States
$97k-$104k/yr HybridFull Time
5+ YOE5+ years experience (Bachelors) developing C++ simulation software; ability to obtain TS/SCI clearance; experience with agent-based modeling, space domain concepts, and code review practices.
Confluence, Discourse, GitLab, Jira, C++, Python
1mo
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Senior Software Engineer - Personal Insurance
Hartford or Atlanta or Cockeysville or Saint Paul
$139k-$230k/yr HybridFull Time
6+ YOE6+ years software engineering experience, bachelor's in CS or related STEM, strong engineering fundamentals, experience with enterprise systems, architectural decision-making, and Agile/DevOps practices.
Apex, Lightning Web Components, Salesforce APIs, AWS, Azure, Salesforce, CI/CD, DevOps
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
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