174 junior python developer jobs at 59 companies in Reading, PA

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
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.
Node.js, Python, Elasticsearch, Redis
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
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).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
3w
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Junior Developer
Paradise, Pennsylvania, United States
$28-$34/hr OnsiteFull Time
Paradise Energy Solutions
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.
PHP, Python, JavaScript, GitHub Copilot, Jira, Git, Trello, QuickBase, Zoho, Sage Intacct, REST APIs
1mo
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Senior Python Development Lead
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Brown Brothers Harriman
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
Python, Django, SQL, Bash, JavaScript, Plotly Dash, D3.js, AG Grid, Apache Airflow, FastAPI, Linux, Git, CI/CD
2w
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Software Engineer II-Python/PySpark
Wilmington, Delaware, United States
OnsiteFull Time
JPMorgan Chase
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.
PySpark, Python, Iceberg, AI, AWS, Data Pipeline, Airflow, Snowflake, Databricks, SQL, Java
2mo
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Software Engineer - AI Augmented Development
Wayne, Pennsylvania, United States
HybridFull Time
PowerPay
PowerPay: Digital lending platform for home improvement and healthcare loans.
1+ YOEProficient in Python and SQL; strong AWS experience; able to use AI-assisted development tools; effective communicator.
Python, SQL, AWS, Snowflake (nice to have), AI tools (Claude Code, OpenAI Codex, Cursor, Copilot), CloudFormation or CDK, Terraform (nice to have), SQL
1mo
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Application Developer C
Philadelphia, Pennsylvania, United States
$72k/yr OnsiteFull Time
University of Pennsylvania
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.
Python, Next.js, Electron
1w
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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
4d
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Junior Thermal Research Engineer by Eaton
Lancaster, Pennsylvania, United States
OnsiteFull Time
Eaton
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.
ANSYS (Fluent, Icepak, Mechanical), Python, MATLAB, DAQ, machine learning
1mo
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Application Developer C
Philadelphia, Pennsylvania, United States
$72k/yr OnsiteFull Time
University of Pennsylvania
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.
Python, Next.JS, electron
1mo
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Ground Software Engineer
King of Prussia, Pennsylvania, United States
OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
1+ YOEBS degree and typically 1+ years software development experience; active Top Secret clearance with SCI eligibility required; experience with Scaled Agile, DevSecOps, and modern software development tools.
Java, C#, Rust, Angular, Python, Apache Kafka, Apache ActiveMQ, ELK Stack, OpenSearch, PostgreSQL, Redis, Helm, Kubernetes, Git, DevSecOps, CI/CD
2mo
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Associate, AI Engineer
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
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
3mo
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Quantitative Strategy Developer - New Grad
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
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.
Python, C++
1w
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Senior AI Cloud Developer
Chicago or Atlanta or Houston or Dallas or Philadelphia
$103k-$155k/yr HybridFull Time
Protiviti
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
1w
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Senior AI Cloud Developer
Chicago or Atlanta or Houston or Dallas or Philadelphia
$103k-$155k/yr HybridFull Time
Protiviti
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
1mo
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Ruby On Rails Developer
Chester, Pennsylvania, United States
HybridFull Time
Power Home Remodeling
Power Home Remodeling: Provides residential exterior home renovation and remodeling services.
2+ YOE2+ years full-stack development experience (Rails preferred), agile experience, automation/integration testing, strong communication and mentoring skills.
React, Bootstrap, GraphQL, Ruby, Python, Ruby on Rails, Rails, Java, MySQL, PostgreSQL, Scrum, Git, Docker, Kubernetes, Jenkins
2w
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Quantitative Strategy Developer Internship: Summer 2027
Hong Kong or Philadelphia
OnsiteInternship
Susquehanna International Group
Susquehanna International Group: Global quantitative trading firm providing proprietary financial market liquidity.
Must be a Hong Kong or Singapore university student graduating in 2028, enrolled in CS/CE/math or related STEM, strong software skills in C#, C++, or Python; numerical/HPC and performance-sensitive coding experience a plus.
C#, C++, Python
2w
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Quantitative Strategy Developer Internship: Summer 2027
Hong Kong or Singapore or Philadelphia
OnsiteInternship
Susquehanna International Group
Susquehanna International Group: Global quantitative trading firm specializing in proprietary financial markets.
Enrolled in a Hong Kong or Singapore university graduating in 2028; pursuing CS/CE/math or related STEM; strong software skills in C#, C++, or Python; numerical/HPC and performance-sensitive coding experience a plus.
C#, C++, Python
1mo
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Engineer I
New Britain, Pennsylvania, United States
OnsiteFull Time
Air Company
Air Company: Transforms carbon dioxide into carbon-negative fuels and chemicals.
0+ YOEBachelor's in chemical engineering, 0–2 years relevant experience or internships, exposure to process development and pilot plant operations, familiarity with AutoCAD/ Aspen/ Python/ Matlab, strong attention to safety and teamwork.
AutoCAD, Aspen, Python, Matlab
1mo
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Software Engineer in Test
United States or Philadelphia
HybridFull Time
Bainbridge Health
Bainbridge Health: Provides medication safety and pharmacy data analytics software for hospitals.
Bachelor's degree in a relevant field; knowledge of JavaScript, Python, and SQL; detail-oriented; quick learner; strong communication; exposure to Golang, Git, CI/CD; internship or project experience in software quality.
JavaScript, Python, SQL, Golang, Git, CI/CD
1w
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Machine Learning Engineer 3- 7882
Philadelphia, Pennsylvania, United States
RemoteFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
1+ YOEMaster's in CS/Engineering/Data Science or related plus 1 year ML experience (tree-based models, linear/logistic regression), scikit-learn, Python, Git, SQL, Spark or TensorFlow; 6 months time-series forecasting.
scikit-learn, TensorFlow, Python, Git, SQL, Spark
1mo
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EY-Parthenon - Strategy and Execution - Growth Platforms - Software Engineer - Sr Assoc/Consultant (New York, NY, US, 10001-8604)
New York or Atlanta or Boston or Chicago or Dallas or Denver or Detroit or Houston or Los Angeles or McLean or Hoboken or Philadelphia or San Francisco or Seattle
$130k-$185k/yr HybridFull Time
EY
EY: Global firm providing audit, tax, and professional consulting services.
1.5+ YOEBachelor's degree plus ~2 years related experience (or graduate degree plus ~18 months). Experience with backend/full‑stack development (Python, Java, Scala, TypeScript), cloud (AWS/GCP), containerization, IaC, LLM integration, and productionizing AI tooling; strong communication and client‑facing skills.
Python, Java, Scala, TypeScript, AWS, GCP, Microsoft Copilot