684 senior python developer jobs at 227 companies in Mount Holly, NJ

2w
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Senior Python Engineer, Integration
Philadelphia or New York City or Austin or Sofia or Belgrade
RemoteContract
Fliff
Fliff: Operates a social sportsbook platform offering free-to-play gaming.
5+ YOE5+ years Python development experience focused on API and third-party integrations, observability, testing, and on-call production support.
Python, Django, Datadog, CloudWatch, Grafana
2mo
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Principal Python Engineer
Warren, New Jersey, United States
$140k-$200k/yr HybridFull Time
MSIG USA
MSIG USATokyo Stock Exchange: 8725: Provides commercial property and casualty insurance and risk services.
8+ YOE8-10+ years software engineering; strong Python; FastAPI/Flask; APIs (REST/GraphQL); cloud (Azure); testing; Git; cross-functional collaboration.
Python, FastAPI, Flask, REST APIs, GraphQL, Azure, Git, Docker, Kubernetes, Kafka, RabbitMQ, CI/CD
3w
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Python API Developer
Malvern, Pennsylvania, United States
$110k-$120k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
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
2mo
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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
2mo
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Senior Software Engineer - Python - 1099
Conshohocken, Pennsylvania, United States
RemoteTemporary
Syzygy Integration
Syzygy Integration: Develops situational awareness and tactical communication technology for defense.
10+ YOE10+ years full stack experience; Python; remote US-based role; must pass background check; U.S. citizen.
Python
2mo
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GenAI Python Systems Engineer –Senior Manager
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/yr HybridFull Time
PwC
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
1mo
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Python Developer- Quant Core Data | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
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, Cython, pybind11, numba, polars, pandas
1mo
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Python Developer- Quant Core Data | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
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, Cython, pybind11, Numba, polars, pandas
1mo
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Python Developer- Quant Core Data | Experienced Hire
Bala Cynwyd, Pennsylvania, United States
OnsiteFull Time
Susquehanna International Group
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.
Python, Cython, pybind11, numba, polars, pandas
3mo
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Senior Software Engineer, Developer Experience
Bellevue or Livingston or New York or San Francisco or Sunnyvale
$165k-$242k/yr HybridFull Time
CoreWeave
CoreWeaveNASDAQ: CRWV: Cloud platform providing GPU-accelerated infrastructure for AI workloads.
7+ YOESenior software engineer with 7+ years in production platforms, distributed systems, and developer tooling.
Go, Python, Kubernetes, GitHub Actions, Buildkite, Bazel, Artifactory, MCP
1w
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Senior Lead Software Engineer - Java/AWS/Python
Plano or Wilmington
OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
10+ YOEExpertise in Java, Python, AWS, Terraform and cloud-native development; experience with Kafka and automation; demonstrated software design, delivery, and team leadership with significant industry experience.
Java, Python, AWS, EKS, S3, Lambda, EMR, Terraform, Kafka, Databricks
2mo
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Senior Application Engineer
Seattle or Madison or Princeton or Cambridge Crossing
$138k-$183k/yr OnsiteFull Time
Bristol Myers Squibb
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.
Python, FastAPI, TypeScript/Node, AWS, Terraform, AWS CDK, CloudFormation, LangGraph, LangChain, PydanticAI, OpenAI, Anthropic, Gemini, AWS Bedrock
3mo
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Senior Software Engineer
Moorestown, New Jersey, United States
$106k-$180k/yr OnsiteFull Time
ASRC Federal
ASRC Federal: Provides engineering and IT services to federal government agencies.
5+ YOEBachelor's degree or higher; 5-7 years software development experience; U.S. citizenship with active DoD Secret clearance; Java, C++, Python; Agile; OO design; Linux; Eclipse; UML; driver-based and automated test environments.
Java, C++, Python, Linux, UNIX, Eclipse, UML, JIRA, Clearcase, xUnit, Junit, CPPUnitLite, IDE
1mo
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Senior Software Engineer
Red Bank, New Jersey, United States
$93k-$232k/yr HybridFull Time
IQVIA
IQVIANYSE: IQV: Provides clinical research and data analytics for pharmaceutical companies.
5+ YOEBachelor's in CS or related, 5+ years software development, experience with React, Python and/or Go, AWS, PostgreSQL, CI/CD, Docker, Terraform/CloudFormation, Agile/Scrum, mentoring experience.
React, Python, Go, PostgreSQL, AWS, ECS, Lambda, S3, RDS, API Gateway, Docker, Terraform, CloudFormation, CI/CD, OWASP Top 10, Agile, Scrum
1mo
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Senior AI Engineer
United States or Wilmington
$126k-$197k/yr RemoteFull Time
Chemours
ChemoursNYSE: CC: Manufactures specialty chemicals, refrigerants, and high-performance industrial fluoropolymers.
8+ YOEDegree in Computer Science/Engineering, 8+ years backend development with Python and JavaScript, 2+ years production GenAI systems experience, React/TypeScript UI skills, Pydantic proficiency, strong stakeholder communication.
Python, JavaScript, React.js, TypeScript, HTML, Pydantic, PyTorch, Azure, Azure Kubernetes, Office 365, GitHub
1mo
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Senior Software Engineer
New York City or Asbury Park or Boston or Chicago or Baltimore
$160k-$180k/yr HybridFull Time
Solar Landscape
Solar Landscape: Develops and operates commercial rooftop solar energy projects.
5+ YOE5+ years software engineering experience; lead full-stack development with TypeScript, Node.js, Python, Next.js, Tailwind CSS; experience with Microsoft Azure, Azure DevOps, GitHub, Jira, EMU/AI-enabled features, and leading/mentoring engineers.
TypeScript, Node.js, JavaScript, Next.js, Tailwind CSS, Python, Microsoft Azure, Microsoft Azure DevOps, GitHub, Jira, Figma, Microsoft Dynamics, Microsoft Business Central, Microsoft PowerApps, Microsoft Power BI
1mo
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Senior Software Engineer
Mount Laurel, New Jersey, United States
$135k-$273k/yr OnsiteFull Time
Innovative Defense Technologies
Innovative Defense Technologies: Develops automated defense solutions and mission-critical software for U.S. government customers.
7+ YOEBachelor's in a technical discipline (or equivalent), 7+ years software development experience, proficiency in C++, Java, Python, or JavaScript, Git, Linux, SQL/PostgreSQL, container tech (Docker/Podman/OCI), ability to obtain/maintain Secret clearance, up to 10% travel.
C++, Java, Python, JavaScript, Git, Linux, SQL, PostgreSQL, Docker, Podman, OCI-compliant containers, Bash, PowerShell, Groovy
1w
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Senior Full Stack Engineer
Piscataway or Charlotte
OnsiteContract
Delan Associates
Delan Associates: Provides engineering and professional services to government agencies.
Expertise in frontend and backend development (React, Next.js, Python, Go, Node.js), microservices on AWS, CI/CD, mentoring experience, and on-call support for production systems.
React, Next.js, Python, Go, Node.js, CI/CD, EKS, Lambda, API Gateway, Kubernetes, Amazon Bedrock, AWS
3mo
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Lead Software Engineer II – Java & Python
Wilmington, Delaware, United States
$100k-$135k/yr RemoteMultiple Commitments Available
Best Egg
Best Egg: Provides personal loans and credit cards for prime borrowers.
4+ YOE4-6 years professional software engineering; strong backend Java and Python; SQL/data modeling; AWS; DynamoDB, RDS, PostgreSQL; CI/CD; Docker; ECS/EKS; CloudWatch/Datadog; excellent communication and collaboration.
AWS, Docker, Kubernetes, ECS, EKS, CloudWatch, Datadog, DynamoDB, RDS, PostgreSQL, DocumentDB, CI/CD
2mo
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Senior Data Engineer
Philadelphia or Aurora or King of Prussia
$82k-$172k/yr OnsiteFull Time
CACI
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.
Python, NumPy, Pandas, Polars, Git, Docker, Docker Compose, AWS, Spark, PySpark, Linux, CUDA

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