489 senior python developer jobs at 177 companies in Allentown, 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).
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
Chicago or Raleigh or Charlotte or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Richmond or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or Silicon Valley or Seattle or Spartanburg or Albany or Stamford or Tampa or Atlanta or Toledo or Austin or Tulsa or Washington or Denver or Des Moines or Detroit or Buffalo or Florham Park or Kansas City or Las Vegas or Little Rock or Los Angeles or Louisville or Birmingham or Fayetteville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or New York or Oklahoma City or Philadelphia or Phoenix or Pittsburgh or Portland
$124k-$280k/yrHybridFull Time
PwC: Providing audit, tax, and management consulting services to businesses.
8+ YOESenior Manager level with 8+ years of experience; proficient in Python, SQL, FastAPI; cloud certifications a plus; willing to travel up to 80%; Bachelor's degree required.
Python, SQL, FastAPI, Cloud Platforms, LLM techniques, Data Warehousing, Data Lakes, IAM
Python Developer- Quant Core Data | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group: Global quantitative trading firm specializing in proprietary financial markets.
PhD or postdoc in a quantitative field, strong high-performance Python (Cython/pybind11/numba) and large-data analysis (polars/pandas) skills, ability to translate research into production-quality code.
Python Developer- Quant Core Data | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group: Global quantitative trading and market making firm.
PhD or postdoc in a quantitative field, strong high-performance Python skills (Cython/pybind11/numba), experience with large-data analysis (polars/pandas), and ability to translate research into robust engineering solutions.
Python Developer- Quant Core Data | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group: Global quantitative trading firm providing proprietary financial market liquidity.
PhD (by Summer 2026) or postdoc in a quantitative field; experience writing high-performance Python (Cython, pybind11, numba) and data analysis with polars/pandas for large datasets; ability to translate research into robust engineering solutions.
Seattle or Madison or Princeton or Cambridge Crossing
$138k-$183k/yrOnsiteFull Time
Bristol Myers SquibbNew York Stock Exchange: BMY: Develops and distributes innovative medicines for serious diseases.
5+ YOE5+ years in software/cloud engineering; AWS-native; Python/FastAPI; TypeScript/Node; CI/CD; experience with LLM/agentic AI; MCP/FastMCP; security, IAM, VPC; knowledge of data stores.
Conshohocken or Portland or Bucharest or Ia\u00021si or Barcelona or Tokyo or United States
OnsiteFull Time
Suvoda: Software for clinical trial randomization and patient data collection.
6+ YOE6+ years software development experience, deep Python, relational databases and AWS experience, EMR not stated, Django and Angular preferred, bachelor's or equivalent experience, production-support mindset.
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
7+ YOE7+ years delivering enterprise IT/software solutions with 3+ years hands-on ServiceNow development; experience with ITSM, CMDB, TSOM, telecom integrations, Python/scripting, CI/CD, and platform modernization. Bachelor's preferred; ServiceNow certifications preferred.
Python, Scripting, ServiceNow IT Service Management (ITSM), ServiceNow Platform, ServiceNow Platform Architecture, TSOM, TNI, NOW Assist, CMDB, Service Portal, GitHub, DevSecOps, CI/CD, Spec Driven Development
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOE5+ years in data engineering/science with TS/SCI clearance; BS in data science/CS; experience building data pipelines and using Python data libraries; experience with git.
Bank of AmericaNYSE: BAC: Provides global banking, investing, and financial risk management services.
5+ YOE5+ years administering large Splunk environments; expertise in indexer/search head clustering, SmartStore, S3-compatible stores, forwarders; strong SPL, security logging, Linux scripting, and automation.
SiriusXMNASDAQ: SIRI: Audio entertainment providing satellite and streaming services.
5+ YOE5+ years software engineering experience; cloud projects (AWS preferred); proficiency in two programming languages; IaC (CDK/CloudFormation); modular libraries/APIs; CI/CD (GitHub Actions); strong collaboration; legal right to work in the U.S.
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
US citizen with ability to obtain Secret clearance; experience with microservices, containerization, Linux/Windows administration, CI/CD DevSecOps, scripting (Bash/Python/Ansible/PowerShell), git/GitLab, and classified infrastructure support.
5+ YOEBachelor's degree,5+ years building and scaling cloud-native AI applications,proficiency in Python/FastAPI or TypeScript/Node,AWS experience,LLM/agent integration,CI/CD and infra-as-code knowledge.
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
8+ YOE5+ Mgmt8+ years building backend systems in Java/Python; 5+ years managing teams; experience with databases, cloud (AWS/Azure/GCP), Kafka, containers, CI/CD, distributed systems, and delivering AI/ML-enabled solutions.
Philadelphia or Pennsylvania or New Jersey or Delaware or Maryland or Texas or Georgia or Iowa or Illinois or Indiana or Kansas or North Carolina or South Carolina or Tennessee or Vermont or West Virginia
$146k-$182k/yrHybridFull Time
NBME: Develops and manages medical licensing and healthcare professional assessments.
5+ YOEBachelor's or Master's in CS/Engineering/Data Science, 5+ years AI/ML engineering experience, proficiency with Python, PyTorch, TensorFlow, Hugging Face Transformers, cloud (AWS/GCP/Azure), Docker, Kubernetes, and familiarity with vector DBs and embeddings.