408 software development engineer jobs at 131 companies in Lancaster, PA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2w
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Software Development Engineer – Product Development
Middletown or United States
RemoteFull Time
Phoenix Contact
Phoenix Contact: Produces components for electrical engineering and industrial automation.
3+ YOEBachelor's in CS/IT or related and 3 years' experience; proficiency with HTML 5, Angular Framework, CSS, OpenAPI, Unix, Linux, MySQL, Java, Vue.js; front- and back-end development, APIs, Agile methodology, and database handling.
HTML 5, Angular Framework, CSS, OpenAPI, Unix, Linux, MySQL, Java, Vue.js, Agile development methodology, APIs
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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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
1mo
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Software Development Manager
New Holland, Pennsylvania, United States
OnsiteFull Time
Goodville Mutual Casualty Company
Goodville Mutual Casualty Company: Provides property and casualty insurance for homes and businesses.
8+ YOE3+ MgmtLeads and evolves application development with focus on people leadership, engineering practices, and lifecycle excellence; drives AI integration and Agile alignment.
1mo
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Software Developer
Belcamp, Maryland, United States
$83k-$140k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
10+ YOEBSc and 10+ years software development experience, U.S. citizenship with active Secret clearance, proficiency with Java/Python/C#/JavaScript, Linux/Windows experience, testing and documentation skills, DoD experience preferred.
Java, Python, C#, JavaScript, Linux, Windows
1mo
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Lead Software Engineer
Newark, Delaware, United States
$128k-$201k/yr OnsiteFull Time
Hologic
HologicNASDAQ: HOLX: Develops medical technology for women's healthcare and diagnostics.
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
3mo
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1650 - Software Developer
Belcamp, Maryland, United States
$83k-$140k/yr OnsiteFull Time
Sigma Defense: Develops tactical communications and intelligence systems for defense.
10+ YOE10+ years in software development; 5+ years DoD software support; strong requirements analysis, architecture, and coding skills; Java, Python, C#, and JavaScript; ability to document software; U.S. citizen; Secret security clearance or higher; Bachelor's Science degree.
Java, Python, C#, JavaScript
3w
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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
3w
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Software Engineer
Aberdeen Proving Ground, Maryland, United States
$76k-$156k/yr HybridFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
3+ YOEU.S. citizen with TS/SCI clearance (CI Poly preferred), Bachelor’s in CS/SE/EE, 3+ years software development, strong C++ and Python experience, Linux and UI framework experience, API/CI-CD knowledge, and ability to work with RF/SIGINT data.
C++, Python, Linux, React, Angular, Vue, Git, CI/CD pipelines, Docker, Ansible, Cobbler, HTML, CSS, TypeScript, REST APIs, PostgreSQL, PostGIS, SQLite
1mo
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Software Engineer - PM C2T
Aberdeen, Maryland, United States
$130k-$170k/yr OnsiteFull Time
JANUS Research Group
JANUS Research Group: Provides specialized engineering and technical services for defense organizations.
10+ YOE10+ years software engineering experience, active Secret clearance, bachelor’s in CS/Software Engineering or equivalent, proficiency in C++, Java, or Python, secure coding and networking knowledge, strong communication skills.
C++, Java, Python, VENOM
3mo
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Journeyman Software Developer
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
4+ YOEBachelor's in CS/Engineering with 4 years experience or 6 years related software development experience; US citizenship; SECRET clearance; proficiency in Python, C++, Java, C#; CI/CD; DoD/C-UAS experience preferred.
Python, C++, Java, C#, CI/CD, containerization, microservices, cloud
2w
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Software Engineer I
Hartford or Atlanta or St. Paul or Hunt Valley
$99k-$163k/yr HybridFull Time
Travelers
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
2+ YOEBachelor's in computer science or related STEM (or equivalent), 2+ years software engineering experience, strong OOP and SDLC knowledge, problem-solving, collaboration, and eagerness to learn Salesforce.
Salesforce
3d
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Senior Software Developer
Towson, Maryland, United States
$85k-$117k/yr RemoteFull Time
Syms Strategic Group
Syms Strategic Group: Provides IT and professional services to federal government agencies.
8+ YOE8+ years back-end focused software development with Java and/or NodeJS, RESTful API design, Angular front-end experience, AWS cloud, Git/GitHub, unit/integration testing, and U.S. citizenship eligible for Public Trust.
Java, NodeJS, Angular, C#, .Net, AWS, Azure, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JIRA, JUnit, Jest, Docker, ECS, EKS, Electronic Data Interchange X.12 (EDI), XML, JSON, Microsoft Teams
3w
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SENIOR SOFTWARE DEVELOPER/ENGINEER (CLOUD/CYBER)
Huntsville or Aberdeen or Colorado Springs or Crestview or Tupelo
OnsiteFull Time
Sentry Construction
Sentry Construction: Provides general contracting and comprehensive property maintenance services.
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
3w
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Distinguished Software Engineer
McLean or New York or Wilmington or Philadelphia
$269k-$307k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
7+ YOEBachelor's degree and 7+ years software engineering experience, 7+ years cloud (AWS), 5+ years across multiple domains or professional services; strong architecture, mentoring, and stakeholder communication skills.
AWS, Java, Python, Go, JavaScript, TypeScript, Fargate, Lambda
5d
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Sr. Software Developer
Mechanicsburg, Pennsylvania, United States
$100k-$105k/yr OnsiteContract
Connected Logistics
Connected Logistics: Provides IT and logistics services for government defense agencies.
10+ YOE10+ years professional software development experience; strong expertise with C#, VB.NET, .NET 8+, ASP.NET Core, JavaScript and modern front-end frameworks, SQL/Entity Framework, microservices, messaging, Git; U.S. citizen with current T3 investigation; onsite work required.
C#, VB.NET, .NET 8+, ASP.NET Core, JavaScript, React, Angular, SQL, Entity Framework, NServiceBus, RabbitMQ, Git
2mo
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Software Applications Engineer
Aberdeen Proving Ground, Maryland, United States
$115k-$130k/yr HybridFull Time
Entarian
Entarian: Provides mission-critical engineering and technology solutions for government agencies.
5+ YOEDoD Secret clearance; BS in computer science or related field; 5+ years in software applications engineering; strong .NET/C#, MudBlazor, HTML/CSS/JavaScript; API development; Azure/DevOps; security+; hybrid role near Aberdeen Proving Ground, MD.
C#, .NET, MudBlazor, HTML, CSS, JavaScript, OpenXml, ASP.NET Core, Entity Framework Core, SQL, Azure, DevOps, OpenID Connect, OAuth 2.0, Microsoft Entra ID
3w
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Software Engineer III
King of Prussia or United States
RemoteFull Time
Vertex
VertexNASDAQ: VERX: Automates global indirect tax calculation and compliance for enterprises.
4+ YOEBachelors in CS/IT or related; 4 years cloud infrastructure/automation (AWS/Azure/GCP); 4 years software development with Java, Python or Go; 4 years SQL/NoSQL; 3 years Docker, Kubernetes, CI/CD and Pulsar; 3 years monitoring/incident response.
AWS, Azure, GCP, Java, Python, Go, SQL, NoSQL, Docker, Kubernetes, CI/CD, Pulsar
3mo
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Software Engineer III/IV
Hunt Valley, Maryland, United States
$111k-$210k/yr OnsiteFull Time
Textron
TextronNYSE: TXT: Manufactures aircraft, defense systems, and industrial specialized vehicles.
5+ YOEBachelor’s degree in Computer Science or Computer Engineering, 5+ years (Level III) or 10+ years (Level IV) of experience; U.S. Secret clearance eligibility; strong software engineering practices; leadership and communication skills.
C#, C++, Java, Python, Embedded systems, GPUs, FPGA, Spectrum analyzers, Oscilloscopes
2mo
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Sr. Software Engineer
Milford or Cocoa Beach or Orlando or Sioux Falls or Orlando or Jacksonville or Columbus or York Haven or Birmingham or Augusta or Nashville or Houston or Dallas or Albuquerque or Columbia or Milwaukee or McAllen or El Paso or San Antonio or Salt Lake City or Charlotte or Phoenix or Sunrise or Louisville or Sunrise
$150k-$175k/yr OnsiteFull Time
BeneLynk
BeneLynk: Provides social care advocacy and government benefit enrollment assistance.
8+ YOE8+ years software development; strong in C#/.NET; REST APIs; Azure; scalable SaaS; distributed teams; healthcare/regulatory context.
C#, NET, REST APIs, Azure, SQL, SaaS