127 senior python developer jobs at 62 companies in Mount Joy, PA
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Python API Developer
Malvern, Pennsylvania, United States
$110k-$120k/yr OnsiteFull Time
10+ YOEDesign and maintain REST APIs with Python and AWS Lambda; integrate with Amazon Aurora and DynamoDB; manage DB migrations with Liquibase; 10+ years experience and Bachelors in Computer Science required.
Python, Lambda, Aurora, DynamoDB, Liquidbase, CI/CD
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
2w
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Senior Software Engineer (Technical Lead) BSI - (Claude, GitHub, Python, NET/C#, Angular, AWS)
Hartford or Atlanta or Cockeysville or Saint Paul
$139k-$230k/yr HybridFull Time
5+ YOE5+ years software engineering experience, experience shipping LLM/AI agent production systems, proficiency with GitHub, Python, .NET/C#, Angular, AWS, databases, and strong communication and leadership skills.
GitHub, Python, NET/C#, Angular, AWS, OCF, Mongo, DocumentDB, SQL Server, Claude Agent SDK, LangGraph, AgentCore, Anthropic, OpenAI
3w
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Senior Machine Learning Engineer
Malvern, Pennsylvania, United States
HybridFull Time
8+ YOE8+ years related experience (≥3 years development), undergraduate degree or equivalent, expertise in Python and modern data science libraries, AWS SageMaker experience, MLOps and CI/CD, production ML and feature engineering.
Python, Pandas, NumPy, Scikit-Learn, PyTorch, TensorFlow, AWS SageMaker, MLOps, CI/CD
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
1w
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Data Engineer I (Databricks, AWS, Python)
Hartford or St. Paul or Hunt Valley
$109k-$180k/yr HybridFull Time
6+ YOEBachelor's in STEM, ~6 years related experience, expertise in Python, SQL, AWS, Databricks, Terraform, OpenAI/AWS Bedrock; API design and data engineering skills required.
OpenAI, AWS Bedrock, Python, SQL, AWS, Databricks, Terraform
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
3w
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Senior Applied AI Engineer
Malvern, Pennsylvania, United States
HybridFull Time
6+ YOE6+ years software engineering experience, strong Python, 2+ years shipping LLM/generative-AI/agent capabilities, experience with evaluation/observability, cloud AI platforms, and translating workflows into scalable designs.
AKUVO IQ, Python, Microsoft Foundry, Azure OpenAI, Microsoft Agent Framework, LangGraph, Semantic Kernel
3w
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Senior Software Engineer Applied AI
Harrisburg or United States
RemoteFull Time
7+ YOE7+ years building and operating production backend systems, strong Python skills, distributed systems/cloud experience, hands-on LLM/generative AI and traditional ML lifecycle experience, disciplined data handling in regulated environments.
Python, AWS, LLM
1w
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Senior Software Engineer – Forward Deployed (Fort Meade)
Fort Meade or Mechanicsburg
$159k-$184k/yr OnsiteFull Time
5+ YOEActive Secret clearance, Bachelor’s in CS or related (or equivalent), 5+ years software/DevOps experience, proficiency with Python/Node.js/Java/ C++ and Linux, Kubernetes, Git, Docker, GitLab CI/CD, strong troubleshooting and communication skills.
Python, Node.js, JavaScript, Java, C++, Linux, Git, Docker, Kubernetes, GitLab CI/CD, Ansible, PowerShell, Bash, PostgreSQL, REST APIs, GitHub Copilot, ChatGPT, Claude Code, Codex
2w
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Senior Full Stack Data Engineer
West Chester, Pennsylvania, United States
OnsiteFull Time
7+ YOEBachelor's preferred,5+ years full-stack/data engineering experience (7+ preferred),backend and frontend development,Power BI dashboards,API and microservices,Oracle/Mongo DB,Cloud Foundry,GitHub,ELK,Agile with Jira.
Power BI, Jira, Smartsheet, Java, Python, Node.js, React, Angular, Tailwind CSS, DotNet, REST, API Gateway, Mongo DB, Cloud Foundry, GitHub, GitHub Actions, ELK, Agentic AI, Open Spec SDD
1mo
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DevSecOps Engineer
Sparks, Maryland, United States
$96k-$153k/yr OnsiteFull Time
5+ YOEBachelor's in CS or STEM,5+ years software development,DevOps and CI/CD experience,experience with Terraform/IaC,cloud platforms (AWS/Azure/GCP),containerization,security tooling,proficiency in C# and Python.
Terraform, OpenTofu, Arm, Bicep, Ansible, Pulumi, Jenkins, GitLab CI, CircleCI, AWS, Azure, Google Cloud, Docker, Kubernetes, SonarCloud, OWASP ZAP, C#, Python, SQL, PowerShell
1mo
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Senior Mechatronics Engineer
Denver or Charleston or Reading or Baton Rouge or Houston or Phoenix
$135k-$199k/yr OnsiteFull Time
7+ YOEBachelor's in engineering, 7+ years mechatronics/robotics experience, CAD and embedded/automation hardware experience, programming with Python/C++/MATLAB, PLCs knowledge, ability to lead projects and travel as required.
SolidWorks, AutoCAD, CAD, PLCs, Python, C++, MATLAB, Gazebo, Nvidia Issac Sim, Matlab/Simulink, ROS (Robot Operating System)
1mo
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Senior Mechatronics Engineer
Denver or Charleston or Phoenix or Houston or Reading or Baton Rouge or Monrovia
$135k-$199k/yr HybridFull Time
7+ YOEBachelor's in engineering, 7+ years mechatronics/robotics experience, expertise in CAD, embedded systems, PLCs, sensors, and programming (Python, C++, MATLAB); proven project leadership and prototype testing experience.
SolidWorks, AutoCAD, Python, C++, MATLAB, Simulink, ROS, Gazebo, Nvidia Isaac Sim, PLCs
3w
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Senior Data Engineer
Newark, Delaware, United States
$140k-$150k/yr RemoteFull Time
8+ YOEBachelor's or master's in CS/statistics/analytics, 8+ years data engineering, 5+ years cloud (preferably AWS), strong SQL, Databricks, Snowflake, Python/PySpark, Kafka experience preferred.
Databricks, Spark, Confluent Kafka, Snowflake, AWS, SQL, Python, PySpark, Microsoft Power BI
1w
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Senior Network Engineer
Edgewood, Maryland, United States
$103k-$175k/yr HybridFull Time
7+ YOE7+ years enterprise network engineering experience; strong routing/switching, SD-WAN, firewall and cloud networking skills; Cisco certification required; PowerShell/Python automation; Azure experience; project and vendor management.
PowerShell, Python, Microsoft Azure, AWS, Smartsheet, Jira, ITSM
1d
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Lead Java Developer - Senior Vice President
New Castle or Tampa
$156k-$234k/yr HybridFull Time
Extensive Java experience, microservices, Kafka, Oracle SQL, MongoDB, OpenShift, AWS, Kubernetes, Docker, CI/CD, DevOps, Agile or SAFe, and technical leadership required.
Java, Apache Kafka, Oracle, Microsoft SQL, MongoDB, GitHub Copilot, Gemini, Spring Boot, Spring MVC, OpenShift, AWS, Kubernetes, Docker, Jenkins, Gradle, Maven, Grafana, Python, LangChain, AutoGen, COBOL, Assembler, C++, Agile, SAFe
3w
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Senior QA Engineer
Malvern, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years QA experience for backend/platform/cloud/web applications; strong manual testing, test strategy, defect management; automation with Python/Pytest/Playwright/Selenium; API, Linux, Docker, SQL, Jira/Confluence experience.
Python, Pytest, Playwright, Selenium, Postman, Swagger/OpenAPI, Docker, Keycloak, Jira, Confluence, TestRail, Zephyr, Xray, PostgreSQL, Bash, Ansible
2mo
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AI Lead Developer
Exton, Pennsylvania, United States
OnsiteFull Time
10+ YOE10+ years software engineering (4+ years in AI/GenAI), strong Python with FastAPI/Flask, experience with LangChain/LangGraph/AutoGen/ADK/MCP, RAG and vector DBs, cloud (AWS/Microsoft Azure/GCP), Docker/Kubernetes, Redis, Kafka, and AI productionization.
ADK, AutoGen, Chroma, Claude, Docker, FAISS, FastAPI, Flask, GCP, Gemini, Hugging Face, Kafka, LangChain, LangGraph, MCP (Model Context Protocol), Microsoft Azure, Microsoft Azure AI Search, Microsoft Azure OpenAI, OpenAI, Pinecone, Python, Redis, Spark, Weaviate, CI/CD, AWS
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
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