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Senior Python Developer Jobs in Lititz, PA, US
250+ senior python developer jobs from 75 companies hiring in Lititz, PA, US.
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Senior Software Developer
Richmond or Baltimore or Nashville or Mechanicsburg or Raleigh
$105k-$145k/yr HybridFull Time
5+ YOESenior software developer with 5+ years of experience in full-stack design and geospatial applications.
SQL, C#, Java, Python, HTML, CSS, JavaScript, ASP.Net Core, Angular, React, Vue.js, Esri software
1w
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Senior Lead Software Engineer - Python/PySpark/AWS/AI
Wilmington or Plano
OnsiteFull Time
5+ YOE5+ years of applying software engineering with hands-on design, development, testing, and operations.
Python, PySpark, AWS, Databricks, Snowflake, ETL, datapipelines
1mo
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Lead Software Engineer II – Java & Python
Wilmington, Delaware, United States
$100k-$135k/yr RemoteAll Commitments Available
4+ YOE4-6 years of software engineering, strong Java/Python backend, AWS experience, SQL/NoSQL knowledge, CI/CD, Docker, and collaboration skills.
Java, Python, AWS, DynamoDB, RDS, PostgreSQL, DocumentDB, Docker, ECS, EKS, CloudWatch, Datadog, CI/CD
2mo
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AI Platform Engineer, Python - Lead Software Engineer
Wilmington, Delaware, United States
$152k-$215k/yr OnsiteFull Time
5+ YOE5+ years software engineering; Python; DevOps; CI/CD; cloud; AI feature development and security.
Python, DevOps, CI/CD, cloud platforms, automation, testing, Terraform
4w
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Staff Software Engineer- Python
Oaks, Pennsylvania, United States
OnsiteFull Time
8+ YOE8+ years OOP with Python; 8+ years SQL; 8+ years Git; Bachelor's; skilled in JS/TS/React/Node/Python; cloud (AWS/Azure/GCP); Docker; security basics.
JavaScript, TypeScript, React, Node, Python, Flask, AWS, Azure, GCP, Pulumi, Terraform, Docker, TCP/IP
2w
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Software Engineer Senior (Networking)
King of Prussia or Littleton
OnsiteFull Time
5+ YOESenior software engineer with networking experience; Java/Python skills; strong problem-solving and collaboration.
Java, Python, REST APIs, Docker, Kubernetes, Elastic Stack, ActiveMQ, CI/CD, Web applications
3w
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Senior Software Developer
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
5+ YOEDesign, develop, and implement software across multiple languages; lead components; troubleshoot; mentor and guide developers; ensure secure, maintainable results. Must be a US citizen with SECRET clearance.
Python, C++, Java, C#, Go, Docker, Kubernetes, CI/CD
1w
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Senior Software Applications Developer
West Chester or United States or North America
RemoteFull Time
4+ YOEBachelor’s degree in Computer Science; 4+ years software development; experience with Java, Python, C#; CI/CD tools like Jenkins, GitLab, TeamCity; software design, testing, and automation.
Java, Python, C#, CI/CD, Version Control, Bug Tracking, Automation Frameworks
2mo
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Senior Software Test Engineer (onsite)
New Freedom, Pennsylvania, United States
$80k-$110k/yr OnsiteFull Time
5+ YOESenior Software Test Engineer with 5+ years in software development and testing; 4+ years manual testing (preferably automated); proficient in C/C++, Python; hardware testing with oscilloscopes, logic analyzers, and JTAG; experience leading testing for embedded systems; US citizen or permanent resident.
C, C++, Python, Oscilloscopes, Logic Analyzers, JTAG
4w
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Senior Software Engineer
Aberdeen, Maryland, United States
$140k-$225k/yr HybridFull Time
7+ YOE7+ years software engineering experience; BS in CS/CE/EE; strong C/C++/Java/Python; CUDA; Docker; REST APIs; TS/SCI clearance; willing to travel; hybrid in Aberdeen, MD.
C, C++, Java, Python, Shell Scripting, Google Protocol Buffers, HTTP REST APIs, Docker, RPMs, CUDA
1mo
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Senior Software Engineer
Malvern, Pennsylvania, United States
HybridFull Time
6+ YOE6-9 years of web app development, Ruby on Rails, JavaScript, REST APIs, PostgreSQL, Linux, and strong problem-solving skills.
Ruby on Rails, JavaScript, Python, PostgreSQL, Linux, Git, REST API, OpenAPI, JSON, XML, Redis, Docker, Kubernetes, Jenkins, JIRA, OAuth2, OIDC, SSL, SSH, SFTP/FTP, GraphQL
1mo
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Senior Developer (Newtown Square, PA, US, 19073)
Newtown Square, Pennsylvania, United States
$153k-$196k/yr OnsiteFull Time
4+ YOEBachelor's or Master’s in CS/Data Science with 4–6 years of related experience; strong Java/Python, frontend, and devops skills.
Java, Python, HTML, CSS, AngularJS, Sonar, JUnit, Sahi, SOAP, REST, SQL, SCM, Jira, CI/CD, Machine Learning
1mo
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Senior Quantitative Equity Systems Developer
Malvern, Pennsylvania, United States
HybridFull Time
10+ YOETen+ years related work, at least 5 years development; prior investment systems experience; strong Python and cloud-native experience; knowledge of quantitative investing; front-office technology background.
Python, Polars, AWS, SageMaker, EC2, CloudWatch, ECS, Lambda, PostgreSQL
3w
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Senior DevOps Engineer
Omaha or Hebron or Lehi or King of Prussia
$95k-$147k/yr HybridFull Time
5+ YOESenior DevOps Engineer with 5+ years in cloud/DevOps, AWS expertise, IaC (Terraform/CloudFormation), Python, CI/CD, Git, and experience with AWS CodeBuild/CodePipeline; onsite three days weekly; Bachelor’s preferred or equivalent experience.
AWS Cloud Computing, Git, GitHub, Terraform, CloudFormation, Python, CI/CD, Linux, Windows, Java, Node.js, .NET Core
2mo
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Senior Software Developer (Secret Clearance Required)
Aberdeen, Maryland, United States
HybridFull Time
3+ YOEDoD security clearance, 3-5+ years in software development, strong Android/Java/C/C++, DevOps tools, Linux, APIs, Docker, Kubernetes, cloud, Agile.
Git, Gitlab, Jira, Nexus, Artifactory, Gradle, Bash, Python, Docker, Kubernetes, Linux, Android, Java, JavaScript, C, C++, C#, APIs, NVIDIA CUDA, ElasticSearch, Kibana
2mo
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Senior Full-Stack Engineer
Culver City or Linthicum or Allen or Woodcliff Lake or Chicago or Orlando or Baton Rouge or Waltham or Phoenix or Harrisburg or West Valley City or Austin or Alpharetta or San Diego or Indianapolis or Lexington or Parma or Little Rock or Asheville or Birmingham or Chantilly or Washington or Brentwood or Plantation or Fort Collins or San Mateo or Schaumburg or Brooklyn
$140k-$180k/yr OnsiteFull Time
7+ YOE7+ years in software development; Bachelor's degree in CS/Engineering; backend (Node.js) and frontend (React) experience; API integrations; cloud and database experience.
Node.js, HapiJS, Python, JavaScript, React, SQL, Serverless, Lambda, CloudFormation, Elastic Beanstalk, EC2, VPC, DynamoDB, RDS, G Suite, Microsoft Graph, Okta, OneLogin, Slack, Linux, Docker, Datadog, CloudWatch, MQTT, log/data pipelines
1mo
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Senior Backend Engineer – AI Agent
Wilmington, Delaware, United States
RemoteFull Time
5+ YOE5+ years backend development; Python or Node.js; SQL/NoSQL databases; REST APIs; microservices; cloud (AWS/Azure/GCP); AI infra experience preferred.
Python, Node.js, SQL, NoSQL, RESTful APIs, Microservices, AWS, Azure, GCP, AI infrastructure
6d
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Senior Systems Engineer
Aberdeen Proving Ground, Maryland, United States
$135k-$155k/yr OnsiteFull Time
10+ YOEBachelor's in CS/Engineering; 10+ years experience; active Secret clearance; RF, systems/communications, or software engineering; MATLAB/Python; travel up to 25%.
MATLAB, Python, RF test equipment, data analysis tools
1mo
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Senior Controls Engineer
Baltimore or Newark or Allentown or Philadelphia
$85k-$120k/yr OnsiteFull Time
7+ YOE1+ MgmtLead design/implementation of control systems; strong PLC/SCADA/HMI, C/C++, Python; 7-10 years in industrial automation; Bachelor’s in Electrical/Control Systems engineering; forklift experience a plus.
PLCs, SCADA, HMI, embedded systems, C, C++, Python, simulation tools
2mo
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Senior Test Engineer
Newark, Delaware, United States
$98k-$153k/yr OnsiteFull Time
2-5 years with Bachelor or 1-3 with Master or 0-1 with PhD; hands-on lab testing; DFМ knowledge; LabVIEW/C/C#/Python; CAN/CANBUS, I2C, SPI; DFM; strong docs.
Multimeters, Oscilloscopes, LabVIEW, C, C#, Python, NI platforms
2mo
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Senior Computer Vision AI/ML Engineer (TS/SCI) {S}
King of Prussia, Pennsylvania, United States
OnsiteFull Time
5+ YOE2+ MgmtSenior CV AI/ML Engineer with TS/SCI clearance; lead a small team; Python and ML frameworks; 5+ years experience; relocation benefits.
Python, PyTorch, TensorFlow, Keras, PyTorch Lightning, scikit-learn, scikit-image, OpenCV, AWS
1mo
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Software Systems Engineer Senior
Aberdeen, Maryland, United States
$116k-$262k/yr OnsiteFull Time
10+ YOESenior software systems engineer with 10+ years in the software lifecycle, TS/SCI clearance, leading contractor teams, RF architectures, EW/SIGINT, and MOSA; Bachelor's in CS or Software Engineering.
Java, Python, C++, MOSA, AWS, Azure, containerization, microservices, CI/CD, Scrum, Kanban, APIs, Databases, Cybersecurity
1mo
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Senior Data Engineer- MS Fabric
Lebanon, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years designing and supporting enterprise data platforms; hands-on Microsoft Fabric experience; governance and Purview expertise; strong SQL, Python, Power BI skills.
SQL, Python, Microsoft Fabric, Power BI, Microsoft Purview
2mo
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Senior Computer Vision AI/ML Engineer (TS/SCI) {S}
King of Prussia, Pennsylvania, United States
OnsiteFull Time
5+ YOESenior CV/AI-ML engineer with TS/SCI clearance, 5+ years experience, leading researchers and developers, expert in Python ML frameworks, remote sensing/ATR, cloud deployment.
Python, PyTorch, TensorFlow, Keras, scikit-learn, scikit-image, OpenCV, AWS
1w
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Senior Cyber Security Engineer
Wilmington, Delaware, United States
RemoteFull Time
5+ YOE5+ years in security operations or SIEM/SOAR; Cortex XSIAM; SIEM/XDR and threat detection; XQL/KQL/SPL; Python scripting; enterprise-scale experience; Bachelor's degree; relevant certifications preferred.
Cortex XSIAM, XQL, KQL, SPL, Python, MITRE ATT&CK, Cortex XDR
1w
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Senior Machine Learning Engineer
Birmingham or San Francisco or Minneapolis or Remote
$114k-$189k/yr RemoteFull Time
5+ YOEPhD or Master’s in CS/Statistics, 5+ years production ML, ML frameworks, adversarial/fraud environments, Python and ML libraries, data pipelines, 6+ months GenAI/LLM experience, strong communication.
Python, TensorFlow, PyTorch, scikit-learn, Airflow, Spark, Kafka, GenAI, LLM, RAG, agents
3w
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Senior Application\Middleware Engineer
Charleston or Newark or Bellevue or Plano or Detroit or Nashville or Tulsa or New York
OnsiteFull Time
10+ YOEBachelor’s degree in engineering; 10+ years in a global environment; AWS certifications or equivalent; strong middleware experience (IBM WebSphere, Apache Tomcat, Java, JBoss, SFTP, Dynatrace, IIS, etc.); Windows/Linux server administration; AWS services including S3, EKS, ECS, containers, Kubernetes, Terraform; scripting in PowerShell or Python a ...
AWS, Linux, Windows Server, IBM WebSphere, Apache Tomcat, Java, JBoss, SFTP, Dynatrace, IIS, Terraform, PowerShell, Python, ServiceNow, Microsoft Teams, SharePoint, Kubernetes, EKS, S3, ECS
2w
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Sr. Platform Engineer - AI Agentic
West Chester or Philadelphia
OnsiteFull Time
7+ YOESenior Platform Engineer with cloud, IaC, Python automation, and observability experience; 7-10 years preferred.
Terraform, Packer, Ansible, Python, Prometheus, Grafana, CloudWatch, Splunk
2w
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Expert CNO Developer
Hanover, Maryland, United States
OnsiteFull Time
12+ YOESenior CNO development expert with TS/SCI w/ Poly clearance; 12+ years with BS or 10+ with MS or 16+ with HS; MCSE/RHCE/CEH/CCNA/CISSP.
Python, Perl, VBScript, Unix Shell, Ansible, ELK, Splunk, NiFi, VMware
3w
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Sr Software Engineer
St. Paul or Atlanta or Hartford or Hunt Valley
$139k-$230k/yr HybridFull Time
5+ YOEFive years of programming/development experience; AWS, Python and .NET; GenAI familiarity; strong leadership and communication skills.
AWS, Python, C#, GitHub Copilot, Claude
1mo
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Senior Lead Data Engineer (Bank Tech)
McLean or Wilmington or Richmond
$209k-$262k/yr OnsiteFull Time
6+ YOEBachelor's degree; 6+ years in application development; 2+ years in big data; 1+ year cloud computing (AWS/Azure/GCP).
Java, Scala, Python, Redshift, Snowflake, Hadoop, Hive, Spark, Kafka, MySQL, MongoDB, Cassandra, UNIX/Linux
3w
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Vice President, Full Stack Engineer
Berwyn, Pennsylvania, United States
OnsiteFull Time
5+ YOE5-9 years backend software development; Bachelor’s in CS/Engineering; finance experience; Java/Python/Node.js; Oracle DB; strong problem solving.
Java, Python, Node.js, Oracle Database
2mo
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Software Developer (55390)
Aberdeen, Maryland, United States
$100k-$110k/yr OnsiteFull Time
10+ YOEBachelor's degree and 10+ years in software development; DoD experience preferred; US citizen with active secret clearance.
Java, Python, C#, JavaScript
3mo
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Senior Mechatronics Engineer (Exton, PA, US, 19341)
Exton, Pennsylvania, United States
HybridFull Time
5+ YOEBachelor in Mechanical Engineering; 5+ years in machine design and servo control; expertise in servo control systems; Solidworks; FEA; MATLAB; Python or C#.
Solidworks, Solidworks Simulation, ANSYS, MATLAB, Python, C#
1w
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Sr Quality Engineer
King of Prussia, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years automated testing of web apps; Proficient in Python, JavaScript, or TypeScript; Playwright or Selenium; Cucumber; CI/CD with Jenkins or GitLab; API testing with Postman; strong problem-solving and communication in Agile
Playwright, Selenium, Cucumber, SQL, NoSQL, Locust, Jenkins, GitLab, Postman, Confluence, Prometheus, Grafana, Python, JavaScript, TypeScript, React, Flutter
2w
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Software Developer (Engineer Software 3) - 28228 (Aberdeen Proving Ground, MD, Remote, United States)
Aberdeen Proving Ground, Maryland, United States
$100k-$130k/yr HybridFull Time
5+ YOESenior software engineer with 5+ years experience, proficient in C++, experience in space domain simulations, ability to obtain Top Secret clearance.
C++, Python, GitLab, Jira, Confluence, Discourse
3w
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BI Developer
Malvern or New York
$145k-$165k/yr OnsiteFull Time
6+ YOE6+ years BI development; expert Power BI; SQL/Snowflake/Databricks; Python data tools; banking/financial services familiarity; Agile experience; certifications a plus.
Power BI, SQL, Snowflake, Databricks, Fabric, Python, Pandas, Polars, DuckDB
1mo
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RF Engineer, Senior
Belcamp, Maryland, United States
$87k-$198k/yr RemoteFull Time
10+ YOE10+ years RF engineering; 2+ years EMC analyses for DoD; lead design/testing for tactical radios; TS/SCI clearance; Bachelor's in engineering; Master’s preferred.
MATLAB, Python, STK, Visualyse Professional, Builder, EDX Signal Pro, NTIA Redbook knowledge
1mo
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RF Engineer, Senior
Belcamp, Maryland, United States
$87k-$198k/yr OnsiteFull Time
10+ YOE10+ years RF engineering; 2+ years EMC for DoD systems; lead test plans for tactical radios; knowledge of modern tactical radios and waveforms; TS/SCI; Bachelor's in engineering.
MATLAB, Python, STK, Visualyse Professional, Builder, EDX Signal Pro
2w
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Senior Underground Transmission Line Engineer 2 - Grid
Wilmington, Delaware, United States
$96k-$148k/yr HybridFull Time
7+ YOEBS in engineering; CYMCAP experience; cable design/tensioning software; 7+ years underground transmission experience; code/compliance knowledge; cost/schedule exposure; XLPE design; procuring/install specs; graphics and docs; strong communication.
CYMCAP, Cable tensioning software, MS Office, Python, MATLAB, Excel
HiringCafe market data
Senior Python Developer Jobs market signals in Lititz, PA, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
250+
Hiring companies
75
Fresh sample
55% new in 30d
Salary visibility
54% show pay
Companies appearing in this market
JPMorgan ChaseARKA GroupBooz Allen HamiltonCapital OneLockheed MartinParsonsSargent & LundyVanguard
Work location mix in visible results
Onsite: 53Hybrid: 22Remote: 8