211 junior python developer jobs at 66 companies in West Chester, PA
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
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).
Paradise Energy Solutions: Full-service solar energy installation and maintenance provider.
Experience with API integration, databases, and coding in multiple languages (preferably PHP, Python, JavaScript). Familiarity with Jira, Git, Trello, QuickBase/Zoho, and comfortable using AI-assisted development tools.
Brown Brothers Harriman: Providing global investment management, custody, and private banking services.
15+ YOE5+ Mgmt15+ years in data engineering/software development; Python/Django; ETL pipelines; data visualization; Agile; Linux; security; leads 5-6 juniors
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
2+ YOEBachelor's in engineering or related field with 2 years software development experience; programming in Python/C++/Java; SECRET clearance required.
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
2+ YOE2+ years applied software engineering experience; hands-on PySpark and Python; experience with ETL, Airflow, Iceberg, Snowflake/Databricks, AWS; SDLC, automation and CI/CD proficiency; strong communication and problem solving.
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
2+ YOEActive Secret clearance, BS in related discipline with 2+ years experience, Linux and programming experience (Python/Java/C/C++), knowledge of binary analysis and cryptography, and strong communication skills.
CACINYSE: CACI: Provides information technology and professional services to government clients.
2+ YOEActive Secret clearance, BS in related discipline, 2+ years related experience, Linux experience, knowledge of cryptography, programming experience (Python/Java/C/C++), and proficiency communicating technical findings.
University of Pennsylvania: Research university offering higher education and healthcare services.
2+ YOEBachelor's degree + 2–3 years experience (Master's preferred). Experience with Python, Next.js, Electron, software development, data pipelines, AI tools for image analysis; strong analytical and communication skills.
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.
EatonNYSE: ETN: Intelligent power management delivering energy-efficient solutions.
Support design, modeling, and experimental validation of thermal-fluid management systems using CFD, DOE, DAQ, and data-driven methods; proficiency with Python/MATLAB; must be U.S. Person and live within 50 miles of Lancaster facility.
University of Pennsylvania: Provides Ivy League higher education and conducts advanced scientific research.
2+ YOEBachelor's and 2+ years' experience required. Develop, deploy, and maintain pathology software, data pipelines, and AI-enabled tools; experience with Python, Next.JS, electron, web apps, databases, APIs, and version control; strong analytical and communication skills.
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
2+ YOEBachelor's in CS/CE/EE/Applied Math/Physics, minimum 2 years professional software development experience using Java, C++ or Python, ability to obtain/maintain SECRET clearance, U.S. citizenship required.
ASRC Federal: Provides engineering and IT services to federal government agencies.
0+ YOEBachelor's degree or equivalent experience; 0-2 years in real-time mission-critical development preferred; ability to obtain security clearance; experience with OOP, Java/C++/Python, UNIX/Linux, and IDEs.
Innovative Defense Technologies: A defense technology delivering automated software and systems solutions for the U.S. government.
0+ YOEBachelor's degree (or equivalent) in a technical field, 0–3 years professional software development experience, proficiency in C++, Java, Python, or JavaScript, familiarity with Git, Linux, SQL/PostgreSQL, container tech, and ability to obtain/maintain a Secret clearance.
Techximius: Provides specialized IT and engineering services for defense missions.
1+ YOEBachelors in computer science or similar, 1-5 years software programming experience, proficiency in Java/C/C++/Python/JavaScript, experience with backend/microservices/web development, strong communication and documentation skills, current DoW clearance required.
EPAM SystemsNYSE: EPAM: Provides global digital platform engineering and software development services.
0.5+ YOEBachelor's degree in a computing or related field, 6+ months relevant experience, familiarity with cloud/web/database tech (.NET, GCP, Azure, AWS) and one programming language (Java, C++, C#, Python, JavaScript, Golang, or Swift); Git or Docker experience; Agile experience.
Denver or Stamford or Washington or Tampa or Atlanta or Chicago or Boston or Charlotte or Short Hills or Philadelphia or Providence or Dallas or Houston
OnsiteFull Time
KPMG: Global professional services network providing audit, tax, and advisory.
1+ YOE1+ year experience in AI/ML, data science, software engineering, or cloud; bachelor’s in CS/data/engineering; proficiency in Python and cloud AI platforms; strong analytical and communication skills.
Azure AI, AWS AI, Bedrock, Google Cloud Vertex AI, Python
Susquehanna International Group: Global quantitative trading and market making firm.
0+ YOEBachelor's or master's in CS, CE, mathematics or related STEM; graduating Aug 2026; strong Python and C++; strong quantitative, logical, analytical skills.
Chicago or Atlanta or Houston or Dallas or Philadelphia
$103k-$155k/yrHybridFull Time
ProtivitiNYSE: RHI: Global consulting firm providing risk management and internal audit services.
2+ YOEBachelor's degree,2+ years designing/deploying analytics or ML projects,1+ year hands-on generative AI experience,cloud AI familiarity,AWS/Azure certs preferred,proficiency in Python/R/SQL and ML frameworks,security/privacy experience.
AWS, Microsoft Azure, Google Cloud, Python, R, SQL, TensorFlow, PyTorch, Scikit-learn, Langchain, Hadoop, Spark
Chicago or Atlanta or Houston or Dallas or Philadelphia
$103k-$155k/yrHybridFull Time
ProtivitiNew York Stock Exchange: RHI: Global consulting firm providing risk, advisory, and technology services.
2+ YOEBachelor's in CS or related,2+ years designing/deploying analytics or ML projects,1+ year hands-on generative AI,cloud AI experience (AWS/Azure/GCP),Python/R/SQL,TensorFlow/PyTorch/Scikit-learn/Langchain,Hadoop/Spark,security and privacy controls.
AWS, Microsoft Azure, Google Cloud, Python, R, SQL, TensorFlow, PyTorch, Scikit-learn, Langchain, Hadoop, Spark