📣 HiringCafe is hiring a Founding Growth Hacker! Learn More · Apply here
Python Developer Jobs in Millersville, PA, US
370+ python developer jobs from 140+ companies hiring in Millersville, PA, US.
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Software Engineer III - Python/AWS/Kafka
Jersey City or Houston or Columbus or Wilmington
$133k-$185k/yr OnsiteFull Time
3+ years backend software development with Python; AWS core services; REST APIs; Docker; Git; CI/CD; interested in AI/ML; code reviews; teamwork.
Python, FastAPI, Flask, AWS, Lambda, API Gateway, RDS, Aurora, DynamoDB, S3, SQS, SNS, Kinesis, Kafka, MSK, Docker, Terraform, AWS CloudFormation, CloudWatch, X-Ray, Git, CI/CD
2mo
Save
Mark Applied
Hide
CNO Developer
Hanover, Maryland, United States
OnsiteFull Time
2+ YOEDesign, develop, test CNO capabilities; strong Python/C/C++; TS/SCI w/ Poly clearance; onsite in Hanover, MD; BS+4y or MS+2y or HS+8y.
Python, C, C++, JIRA, Confluence
2w
Save
Mark Applied
Hide
Full Stack Developer
Lebanon, Pennsylvania, United States
$40k-$250k/yr OnsiteFull Time
Experience in full stack development; strong HTML, CSS, JavaScript; backend with Node.js, Python, or Ruby on Rails; databases; Git; problem-solving.
Node.js, Python, Ruby on Rails, JavaScript, HTML, CSS, Git, MySQL, MongoDB
1w
Save
Mark Applied
Hide
Application Engineer - IV
Malvern, Pennsylvania, United States
OnsiteFull Time
8+ YOEEight years of related experience with strong development skills; in-office five days; proficiency in AWS, Python, Java; troubleshooting and production support.
AWS, Python, Java, MS Office programming tools
3w
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
Associate Database Platform Developer
Wilmington, Delaware, United States
$90k-$110k/yr HybridFull Time
Experience with Python, Perl, or Java; basic SQL and relational databases; software development basics; strong problem solving; team collaboration.
Python, Perl, Java, SQL
1mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Journeyman Software Developer
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
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
2mo
Save
Mark Applied
Hide
Lead Tools Engineer (Build & Infrastructure)
Timonium or United States
$128k-$156k/yr RemoteFull Time
Xsolla: Provides payment and monetization tools for video game developers.
5+ YOELeads design and development of internal tools for game development, build pipelines, and CI/CD; 5+ years in software engineering and tooling, strong C#/Python, Linux, and CI/CD experience.
C#, Python, Bash, Unity, AWS CDK, CloudFormation, Git, Linux
1mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Data Developer Intern
Exton, Pennsylvania, United States
$52k-$78k/yr HybridInternship
Pursuing a Master’s in CS/Software Eng; strong Java or Python; SQL; cloud basics; Agile; data/ETL interest.
Java, Python, SQL, AWS, Azure, GCP
2w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
Senior Software Engineer - Developer Services
Owings Mills, Maryland, United States
$121k-$206k/yr HybridFull Time
5+ YOESenior software engineer with 5+ years experience, strong Java or Python, AWS (IAM, Lambda, ECS/Fargate, S3, DynamoDB), microservices, REST APIs, Terraform, Docker, CI/CD, and identity systems (OAuth2/OIDC/JWT, ADFS).
Python, Java, AWS, Terraform, Docker, JSON, YAML, OAuth2, OIDC, JWT, ADFS
1mo
Save
Mark Applied
Hide
Embedded Software Test Engineer I
New Freedom, Pennsylvania, United States
$75k-$103k/yr OnsiteFull Time
2+ YOE2+ years in software development/testing; experience in embedded systems; C/C++, Python; hardware test tools; US citizen or permanent resident.
C, C++, Python, oscilloscopes, logic analyzers, JTAG
1w
Save
Mark Applied
Hide
103Q - Lead Software Development Engineer - Flex Location
Parsippany or Atlanta or Mahwah or Louisville or Timonium
$121k-$225k/yr HybridFull Time
Lead AI engineer with hands-on software development, experience with Generative AI, GitHub Copilot, and DX tooling; strong Python/Java/C# background; familiar with large-scale enterprise environments.
Python, Java, C#, GitHub Copilot, Microsoft Copilot Studio, Power Platform, LLMs, Embeddings, RAG
1mo
Save
Mark Applied
Hide
ML Software Developer II
Aberdeen, Maryland, United States
$85k-$110k/yr OnsiteFull Time
5+ YOEBachelor's degree; 5-9 years Python and ML experience; DoD security eligibility; US citizenship; ability to obtain DoD clearance
Python, TensorFlow, MySQL, C++, NLP, Deep Learning
4d
Save
Mark Applied
Hide
Engineer 3, Agentic AI
Philadelphia or West Chester
OnsiteFull Time
5+ YOE5-7 years building agentic AI systems in production; hands-on with ADK and Python; experience with Gemini Enterprise; AI in SDLC; strong prompt engineering; production-grade software.
Agent Development Kit (ADK), Python, Gemini Enterprise
3w
Save
Mark Applied
Hide
Software Engineer II *Top Secret*
Hunt Valley, Maryland, United States
$88k-$133k/yr OnsiteFull Time
2+ YOE2+ years of software development; active Top Secret clearance with ability to obtain TS/SCI; BS in Computer Science/Engineering; strong OO design; RF concepts and signal processing a plus; languages: C#, C++, Java, Python.
C#, C++, Java, Python, RF concepts, FPGA, microcontrollers, GPUs
3d
Save
Mark Applied
Hide
AI Engineer
Auburn or Aberdeen
OnsiteFull Time
5+ YOEBachelor’s degree in engineering, computer science, or related field; 5+ years AI experience; agentic AI; cloud platforms; programming in Go/C++/Python; US citizenship and ability to obtain clearance; willing to travel.
Go, C++, Python, JetBrains, VSCode, REST, GraphQL
2w
Save
Mark Applied
Hide
Software Engineer - 90402844 - Washington DC, Philadelphia PA or Wilmington DE (US)
Washington or Wilmington or Philadelphia
$72k-$93k/yr OnsiteFull Time
1+ YOEBachelor’s degree or equivalent; 1+ year software engineering; Java, Python, SQL; frontend/backend development; CI/CD and cloud; onsite in DC/DE/PA.
Angular, React, Java, Python, SQL, NoSQL, AWS, Azure, CI/CD
1w
Save
Mark Applied
Hide
QA Automation Eng w/Selenium & Python (Onsite Hybrid) (King Of Prussia, PA, US)
King Of Prussia, Pennsylvania, United States
HybridFull Time
5+ YOE5+ years in web and API testing; automation using Selenium and Python; strong SQL experience; Agile experience; knowledge of Playwright and Jira preferred.
Selenium, Python, Playwright, JIRA, SQL
1mo
Save
Mark Applied
Hide
Software Engineer - Level II
Aberdeen Proving Grounds, Maryland, United States
$86k-$150k/yr OnsiteFull Time
3+ YOEUS citizen; Secret clearance; degree with experience in software development and SDLC.
Java, C++, Python, JavaScript, Git, TCP/IP
1mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
Senior Data Engineer
Baltimore, Maryland, United States
$125k-$150k/yr HybridFull Time
8+ YOE8+ years in Linux, data engineering, PostgreSQL, data pipelines; Python; Kubernetes; Apache Airflow; cloud and on-prem; BS/MS in CS/IT.
PostgreSQL, Apache Airflow, Kubernetes, Python, Linux
2w
Save
Mark Applied
Hide
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
6d
Save
Mark Applied
Hide
AI Full Stack Engineer – Agentic Systems & Ontology
Bethesda or Cherry Hill or Grand Prairie or King of Prussia or Littleton or Orlando
RemoteFull Time
Proven full-stack software development with Python and JavaScript, knowledge graphs, LLMs, cloud infra, API design; US citizenship; Bachelor's in CS/IT/Engineering or related field; experience with GitHub/GitLab.
Python, JavaScript, React, Angular, Java, C++, Go, REST/OpenAPI, JSON/JSON-Schema, GitHub, GitLab, AWS, Bedrock, EC2, S3, Terraform, Ansible, LangChain, Ontop, RDF, OWL, Pydantic AI, CrewAI
3w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
C++/CUDA-Signal Processing Engineer
Aberdeen Proving Ground, Maryland, United States
$140k-$176k/yr OnsiteFull Time, Contract
3+ YOEBachelor's in Computer Science; 3+ years C++, CUDA; TS/SCI clearance; Git; MATLAB; Linux; Python; multithreading/optimization.
C++, CUDA, Git, MATLAB, Linux, Python
3w
Save
Mark Applied
Hide
CyberTron Contract: Software Engineer I
Aberdeen, Maryland, United States
$85k-$110k/yr OnsiteFull Time
Techximius: Provides specialized IT and engineering services for defense missions.
1+ YOEEntry-level software engineer with skills in Java/C/C++, Python, or JavaScript; knowledge of backend, web apps, and microservices; DoD environment familiarity preferred.
Java, C/C++, Python, JavaScript, Backend development, Web technologies, Microservices, SQL
2w
Save
Mark Applied
Hide
Software Engineer (Engineer Machine Learning 2) - 28223 (Aberdeen Proving Ground, MD, Remote, United States)
Aberdeen Proving Ground, Maryland, United States
$100k-$120k/yr HybridFull Time
2+ YOEMid-level software engineer with C++ expertise; Python preferred; DoD clearance ability to obtain; 2 years exp with Bachelors or 6 years with HS; able to work in Aberdeen Proving Ground.
C++, Python, Git, GitLab, Jira, Confluence
2mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
Application & Data Developer
Wayne, Pennsylvania, United States
$85k-$110k/yr HybridFull Time
3+ YOE3+ years in data integration, SQL and Python; SQL-based data ingestion/ETL; Snowflake a plus; AI-assisted development tools; PowerShell; strong documentation.
SQL, Python, Snowflake, Copilot, PowerShell
1w
Save
Mark Applied
Hide
AI Documentation Engineer (Exton, PA, US)
Exton, Pennsylvania, United States
HybridFull Time
Python or TypeScript/JavaScript experience; hands-on AI/ML or LLM work; familiarity with structured content (DITA XML); experience with content/data pipelines and AI-ready documentation.
Python, TypeScript, JavaScript, LLM APIs, DITA XML, Git, Azure DevOps
HiringCafe market data
Python Developer Jobs market signals in Millersville, 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
370+
Hiring companies
140+
Fresh sample
59% new in 30d
Salary visibility
67% show pay
Companies appearing in this market
JPMorgan ChaseBlackRockComcastJohnson ControlsLockheed MartinManTechParsonsT. Rowe Price
Work location mix in visible results
Onsite: 49Hybrid: 34Remote: 8