161 system software engineer jobs at 93 companies in Reading, PA

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Software Engineer
King of Prussia, Pennsylvania, United States
OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Senior software engineer to design and deliver high-performance embedded and enterprise software. Requires expertise in C/C++, Java or C#, Python/scripting, Git, build systems, IDEs, CI/CD, and ability to obtain Top Secret clearance (US citizen).
C/C++, Java, C#, Python, Windows, Linux, Microsoft PowerShell, Bash, Git, CMake, Make, MSBuild, Gradle, Microsoft Visual Studio, CLion, VSCode, Eclipse, JIRA, Confluence, Boost, JUnit, PyTest, NUnit, Jenkins, Azure DevOps, GitLab CI, MATLAB/Simulink, SysML, ARINC 429, MIL‑STD‑1553
5d
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Principal Software Engineer
Pennsylvania or New Jersey or Delaware or West Chester
RemoteFull Time
QVC Group
QVC GroupNASDAQ: QVCGA: Provides video-driven shopping experiences across television and digital platforms.
8+ YOE8+ years software engineering experience; deep expertise in architecture, system design, SDLC, testing, DevOps, strong communication; Bachelor's degree or equivalent experience preferred.
1mo
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Lead Software Engineer-AI
Columbus or Wilmington
OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
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
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
2d
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Software Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
Green Expert Technology
Green Expert Technology: Provides engineering and technical services for government defense programs.
3+ YOE3+ years software development experience for control systems, BS in CS/EE/CompE, Secret clearance, proficiency in C/C++/C#/Java, version control, testing, and technical documentation.
Microsoft.NET Framework, Windriver Workbench, Tornado IDE, Linux, C, C++, C#, Java, JIRA, Wiki, Confluence, TCP/IP, UDP, SVN, Git, Matlab, Labview, MS Access, SQL, PROFIBUS, MODBUS, IEC 61131-3, PLC
1mo
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Staff Software Developer
Canada or Philadelphia
$170k-$220k/yr RemoteFull Time
PENN Entertainment
PENN EntertainmentNASDAQ: PENN: Operates integrated casino gaming and online sports wagering platforms.
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
1w
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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
Flex
Flex: A financial platform allowing renters to split monthly rent payments.
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
1d
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Senior Engineer Software Engineering Integration
Beerse or Spring House
HybridFull Time
Johnson & Johnson
Johnson & JohnsonNYSE: JNJ: Global healthcare providing pharmaceuticals and medical technologies.
5+ YOE5+ years software engineering experience; experience with cloud-native platforms, integrations, API design, regulated/validated systems (GxP), Python, CI/CD, and technical leadership.
AWS, Lambda, Step Functions, Docker, Kubernetes, Python, CI/CD, Kiro, Claude Code, ELN, LIMS, SDMS
1mo
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Nuuly Senior Software Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Urban Outfitters, Inc.
Urban Outfitters, Inc.NASDAQ: URBN: Multinational lifestyle retail operating diverse apparel and home brands.
5+ YOE5+ years software engineering experience with ~2 years senior-level responsibility; strong JVM proficiency (Java/Kotlin/Scala), microservices, cloud (GCP/AWS/Azure), Kubernetes, Postgres/AlloyDB, distributed systems, and practical LLM/AI tooling experience.
Kotlin, Spring, Postgres, AlloyDB, Google Cloud Platform (GCP), AWS, Azure, Kubernetes, Docker, Java, Scala, Python, Go, Node, TypeScript, RESTful APIs, Kafka, Spark, Storm, ChatGPT, Claude, Cursor, Windsurf, Copilot, JVM, MCP
2mo
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Overhead Contact System Electrification Engineer
Philadelphia or Pittsburgh
HybridFull Time
HDR
HDR: Global firm providing architecture, engineering, and environmental services.
7+ YOE7 years rail electrification design experience; AC/DC OCS design; PE license; Bachelor's in Engineering; proficiency in design software; strong client interface.
AutoCAD, PLS-CADD, Plant 3D, AutoPIPE, Revit, Microsoft Office
1mo
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HubSpot System Engineer
Chicago or Rochester or Cincinnati or Salt Lake City or Irving or St Petersburg or West Palm Beach or Allentown
$59k-$93k/yr HybridFull Time
Paychex
PaychexNasdaq: PAYX: Provider of payroll, human resources, and benefits outsourcing services.
3+ YOE3-5 years software development experience, OOP, relational database knowledge, Transact-SQL preferred, web development preferred; Bachelor's in Business or Computer Science preferred.
HubSpot, Transact-SQL
2mo
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Overhead Contact System Electrification Engineer
Philadelphia or Pittsburgh
HybridFull Time
HDR
HDR: Global provider of engineering, architecture, environmental and construction services.
7+ YOEBachelor's in Engineering, professional engineer (PE) required, 7+ years rail/transit electrification experience preferred; experience in AC/DC traction electrification and OCS design, structural/foundation design familiarity, Microsoft Office and sector design software proficiency, strong communication and leadership skills.
PLS CAD, AutoCAD, Plant 3D, AutoPipe, Revit, LPile, SAP2000, STAAD, LARSA, Microsoft Office
1mo
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Lead Software Engineer
King of Prussia, Pennsylvania, United States
RemoteFull Time
Vertex
VertexNASDAQ: VERX: Automates global indirect tax calculation and compliance for enterprises.
5+ YOEBachelor's in CS/Information Systems/Electrical Engineering (or equivalent) and 5+ years experience with Java, Python, Go, SD QA, DevOps pipelines and cloud (AWS/Azure); strong design, automation and stakeholder coordination skills.
Java, Python, Go, AWS, Azure
2mo
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Software Developer - Global Routing | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
Susquehanna International Group: Global quantitative trading and market making firm.
Experienced software developer with expertise in routing software and distributed systems.
2mo
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Sr. Software Engineer
Wayne or Naperville
$120k-$135k/yr HybridFull Time
Frontline Education
Frontline EducationNYSE: ROP: Provides administrative and management software for K-12 school districts.
5+ YOE5–7 years backend engineering or intelligent systems with production impact; strong Python, CI/CD, and system design; experience with ML model APIs and cloud inference; familiarity with vector databases and retrieval systems.
Python, CI/CD, AWS Bedrock, Azure OpenAI, Google Vertex AI, PyTorch, Hugging Face Transformers, vLLM, FAISS, Pinecone, OpenSearch/KNN, LangChain, LlamaIndex, MLflow, Weights & Biases, Prometheus
3w
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Senior Software Developer
Reston or Denver or Philadelphia
$120k-$160k/yr HybridFull Time
Iridium
IridiumNASDAQ: IRDM: Provides global voice and data satellite communication services.
8+ YOEBachelor's in CS or related, 8+ years software development experience, active Top-Secret/SCI clearance (recently active), proficiency in Python and Java, Linux/Bash, RESTful APIs, databases (PostgreSQL/MongoDB), CI/CD and containerization, strong communication and systems-level experience.
Python, Java, Bash, ELK stack (Elasticsearch, Logstash, Kibana), Elasticsearch, Logstash, Kibana, PostgreSQL, MongoDB, Kubernetes, Docker, Podman, ArgoCD, GitLab, JFrog Artifactory, Bitbucket, C++, TypeScript, Perl, XML, JSON, SQL, js, Apache Web Server, Jira, Confluence, Crucible, Git, Amazon Web Services (AWS), GovCloud, Atlassian
2mo
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Associate Software Engineer-Applications & Automation
Philadelphia, Pennsylvania, United States
$55k-$60k/yr OnsiteFull Time
City of Philadelphia
City of Philadelphia: Provides municipal services and governance to the city of Philadelphia.
Entry-level software engineering role requiring basic programming skills, a IT/CS degree or certificate, on-site collaboration, and ability to work with production systems.
Python, C#, JavaScript, PowerShell
3mo
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Principal Engineer, Software
Horsham, Pennsylvania, United States
$97k-$189k/yr OnsiteFull Time
Coherent
CoherentNYSE: COHR: Manufactures lasers, engineered materials, and optical networking components.
8+ YOEBachelor's degree; 8+ years embedded software; 5+ years optical networking; strong C/C++ in embedded systems; Python, Go; CI/CD; Open-Source exposure; networking protocols knowledge; English communication.
C, C++, Go, Python, Embedded Linux, CI/CD, Open-Source software, Networking protocols, Yang models, Netconf, Open Config
1d
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Senior Engineer Software Engineering Integration
Beerse or Spring House
HybridFull Time
Johnson & Johnson
Johnson & JohnsonNYSE: JNJ: Provides pharmaceutical products and medical technology healthcare solutions.
5+ YOE5+ years software engineering experience; cloud-native platform experience (AWS), API and microservices design, Python proficiency, CI/CD, regulated/GxP system experience, technical leadership and team mentoring.
AWS, Lambda, Step Functions, Docker, Kubernetes, Python, CI/CD, Kiro, Claude Code, ELN, LIMS, SDMS
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