📣 HiringCafe is hiring a Founding Growth Hacker! Learn More · Apply here
Senior Python Developer Jobs in Hockessin, DE, US
400+ senior python developer jobs from 140+ companies hiring in Hockessin, DE, US.
1w
Save
Mark Applied
Hide
Senior Lead Software Engineer - Python/PySpark/AWS/AI
Wilmington or Plano
OnsiteFull Time
5+ YOE5+ years of applying software engineering with hands-on design, development, testing, and operations.
Python, PySpark, AWS, Databricks, Snowflake, ETL, datapipelines
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
2w
Save
Mark Applied
Hide
Software Engineer Senior (Networking)
King of Prussia or Littleton
OnsiteFull Time
5+ YOESenior software engineer with networking experience; Java/Python skills; strong problem-solving and collaboration.
Java, Python, REST APIs, Docker, Kubernetes, Elastic Stack, ActiveMQ, CI/CD, Web applications
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Moorestown, New Jersey, United States
$106k-$180k/yr OnsiteFull Time
5+ YOEBachelor’s degree or equivalent; 5-7 years in software development; US citizenship with active DoD Secret clearance; Java/C++/Python experience; Linux/UNIX; Agile; OO design; UML; testing tools
Java, C++, Python, Linux, UNIX, Eclipse, UML, JIRA, XUnit, JUnit, CPPUnitLite, Clearcase
3w
Save
Mark Applied
Hide
Senior Software Developer
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
5+ YOEDesign, develop, and implement software across multiple languages; lead components; troubleshoot; mentor and guide developers; ensure secure, maintainable results. Must be a US citizen with SECRET clearance.
Python, C++, Java, C#, Go, Docker, Kubernetes, CI/CD
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
2w
Save
Mark Applied
Hide
Senior Software Developer II- Product Development
Conshohocken or United States
HybridFull Time
6+ YOESenior-level software developer with 6+ years of experience, strong Python, AWS, relational databases, and production-support skills.
Python, AWS, Relational Databases, Artificial Intelligence exposure, Claude
2mo
Save
Mark Applied
Hide
Senior Software Test Engineer (onsite)
New Freedom, Pennsylvania, United States
$80k-$110k/yr OnsiteFull Time
5+ YOESenior Software Test Engineer with 5+ years in software development and testing; 4+ years manual testing (preferably automated); proficient in C/C++, Python; hardware testing with oscilloscopes, logic analyzers, and JTAG; experience leading testing for embedded systems; US citizen or permanent resident.
C, C++, Python, Oscilloscopes, Logic Analyzers, JTAG
2w
Save
Mark Applied
Hide
Senior Full-Stack Engineer
Philadelphia or Remote
$180k/yr HybridFull Time
7+ YOE7–10 years in full-stack engineering; strong Python and PostgreSQL; experience with HIPAA/regulatory environments; ability to oversee quality and architecture; experience with AI-assisted development tools.
Python, PostgreSQL, FastAPI, SQLAlchemy, Alembic, Azure Database for PostgreSQL, Azure Container Apps, Azure Service Bus, Azure DevOps, Azure Blob Storage, React, Next.js, Azure AI Foundry, Anthropic Claude, Azure Document Intelligence, pytest, Ruff
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Philadelphia, Pennsylvania, United States
RemoteFull Time
Proficiency in Python, SQL (Postgres/Snowflake), REST APIs (Flask), ORM (SQLAlchemy); frontend (Angular 18+); AWS, Docker; DevOps; strong problem-solving and teamwork.
Python, SQL, Flask, SQLAlchemy, RESTful APIs, Angular, AWS, Docker, Git
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
4d
Save
Mark Applied
Hide
Senior Application Developer
Philadelphia, Pennsylvania, United States
$84k-$135k/yr RemoteFull Time
3+ YOEBachelor in Computer Science or related field; 3-5 years of application development in enterprise environments; experience with Ellucian Banner, Oracle SQL/PLSQL, Java/JavaScript; web tech, Unix/Linux, Python a plus; SDLC and Agile experience.
Java, JavaScript, HTML, CSS, REST, SOAP, Oracle SQL, PL/SQL, Python, Unix/Linux, Shell scripting, Ellucian Banner, Page Builder
2w
Save
Mark Applied
Hide
Senior Engineer – Gen AI /Agentic AI (US)
Mount Laurel, New Jersey, United States
$124k-$200k/yr OnsiteFull Time
10+ YOESenior Engineer with 10+ years of enterprise AI experience, Python development, agentic AI frameworks, and cybersecurity for AI; Azure OpenAI and LLMs familiarity.
Python, Azure OpenAI, LangChain, LangGraph, AutoGen, Model Context Protocol (MCP), embeddings, Azure AI Search, RAG
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
1mo
Save
Mark Applied
Hide
Senior Quantitative Equity Systems Developer
Malvern, Pennsylvania, United States
HybridFull Time
10+ YOETen+ years related work, at least 5 years development; prior investment systems experience; strong Python and cloud-native experience; knowledge of quantitative investing; front-office technology background.
Python, Polars, AWS, SageMaker, EC2, CloudWatch, ECS, Lambda, PostgreSQL
2mo
Save
Mark Applied
Hide
Senior Software Engineer, Platform
Philadelphia or New York
$116k-$209k/yr OnsiteFull Time
4+ YOEDevelop and optimize platform services; cloud focus; Agile; automation; 4-7 years platform experience; AWS preferred.
AWS, Kubernetes, Go, Java, Scala, Python, JavaScript
1w
Save
Mark Applied
Hide
Senior Software Engineer, Backend
Philadelphia, Pennsylvania, United States
$160k-$210k/yr OnsiteFull Time
5+ YOE5+ years web apps; 2+ years leading teams; PostgreSQL; AWS; Docker/Kubernetes; Python/Django or Rails; strong communication.
JavaScript, Python, Django, Flask, React, React Native, Redux, Kubernetes, AWS, Docker, Celery, Redis, Datadog, CloudWatch
2w
Save
Mark Applied
Hide
Senior DevOps Engineer
Omaha or Hebron or Lehi or King of Prussia
$95k-$147k/yr HybridFull Time
5+ YOESenior DevOps Engineer with 5+ years in cloud/DevOps, AWS expertise, IaC (Terraform/CloudFormation), Python, CI/CD, Git, and experience with AWS CodeBuild/CodePipeline; onsite three days weekly; Bachelor’s preferred or equivalent experience.
AWS Cloud Computing, Git, GitHub, Terraform, CloudFormation, Python, CI/CD, Linux, Windows, Java, Node.js, .NET Core
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
1mo
Save
Mark Applied
Hide
Senior Engineer, SDET
Philadelphia, Pennsylvania, United States
$89k-$161k/yr OnsiteFull Time
5+ YOE5+ years test automation; BS +5 years or MS +3 years; 4-7 years in 3+ languages; 4-7 years in 3+ automation tools; agile/Testing methodologies; Unix/Windows apps; CA Service Virtualization.
Cypress, Selenium, TestNG, Appium, Sauce Labs, Rest Assured, Postman, Cucumber, Jasmine, Protractor, TypeScript, JavaScript, Python, Java
1w
Save
Mark Applied
Hide
Senior Software Engineer (Broadband Device Validation)
Philadelphia, Pennsylvania, United States
OnsiteFull Time
5+ YOE5-7 years in system design, software development, broadband product architecture, networking protocols, and cloud/infrastructure tools.
Java, Python, Shell Scripting, C, C++, SQL, MongoDB, Docker, Kubernetes, AWS, Cloud Foundry, Jenkins, Git
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
4d
Save
Mark Applied
Hide
Senior Data & AI Platform Engineer
San Ramon or Salt Lake City or Chicago or Philadelphia or Dallas or Denver or New York City or Century City or Garden City or Nashville or St. Louis or Bellevue or Woodland Hills or Irvine or Boca Raton or Downtown Los Angeles or Atlanta or Boise or San Jose or San Francisco or Austin or El Segundo
OnsiteFull Time
7+ YOE7+ years in Microsoft Cloud/DevOps; 3+ years enabling data/analytics platforms; AI/GenAI experience; strong security/governance; CSP operations; observability and cost optimization; PowerShell/Python scripting.
Azure DevOps, Fabric, Synapse, ADF, Databricks, Key Vault, Entra ID, RBAC, PIM, Conditional Access, Azure Monitor, Log Analytics, KQL, PowerShell, Python, MLOps
1w
Save
Mark Applied
Hide
Senior Solution Engineer
Philadelphia or New York City or Newark or United States
$165k-$217k/yr RemoteFull Time
Strong SQL and Python experience; AI/ML concepts familiarity; excellent communication across technical and executive audiences; ability to influence stakeholders.
SQL, Python, AI/ML
1w
Save
Mark Applied
Hide
Senior Platform Engineer
Cedar Rapids or Philadelphia or Denver
$115k-$120k/yr HybridFull Time
5+ YOE5-7 years in platform engineering; AWS, Docker, Kubernetes, Terraform/Ansible; CI/CD; Python/Bash scripting; cloud/DevOps expertise.
Docker, Kubernetes, AWS, Terraform, Ansible, Harness, AWS CodePipeline, Python, Bash/Shell
5d
Save
Mark Applied
Hide
Senior Systems Engineer
Aberdeen Proving Ground, Maryland, United States
$135k-$155k/yr OnsiteFull Time
10+ YOEBachelor's in CS/Engineering; 10+ years experience; active Secret clearance; RF, systems/communications, or software engineering; MATLAB/Python; travel up to 25%.
MATLAB, Python, RF test equipment, data analysis tools
2w
Save
Mark Applied
Hide
Senior Software Engineer
Blue Bell, Pennsylvania, United States
$98k-$182k/yr HybridFull Time
8+ YOE8+ years of Java software development experience; strong backend, cloud and distributed systems skills; proficient with REST/WebSockets, databases, and Agile practices.
Java, REST, WebSockets, SQL, Key-Value Stores, Document Databases, Cloud Platforms (GCP, AWS), Kubernetes, Git, Bash, Python
1mo
Save
Mark Applied
Hide
Senior Software Algorithm Engineer
Aurora or Philadelphia
$82k-$172k/yr OnsiteFull Time
5+ YOEBS in STEM fields; 5+ years software development; lead interdisciplinary team; TS/SCI clearance; Python/C/C++, Java, or Rust; domains SDA/SATCOM/SIGINT; willing to polygraph.
Python, C/C++, Java, Rust, Linux, AWS, CUDA, OpenCV, Git, Docker, Kubernetes, S3, EC2, Lambda
1mo
Save
Mark Applied
Hide
Senior Software Engineer (Full Stack) (Philadelphia, PA, US, 19106)
Philadelphia, Pennsylvania, United States
$56-$70/hr OnsiteFull Time
10+ YOE10+ years in full stack software development, cloud (AWS), data pipelines, UI and backend work for financial services.
AWS, React, Python, SQL, Docker, Kubernetes, Apache Airflow, Redshift, Snowflake, Jenkins, GitLab, Bamboo, REST APIs, Django, XML, CSS, HTML, JavaScript, ReactJS, Lambda
1mo
Save
Mark Applied
Hide
Senior Controls Engineer
Baltimore or Newark or Allentown or Philadelphia
$85k-$120k/yr OnsiteFull Time
7+ YOE1+ MgmtLead design/implementation of control systems; strong PLC/SCADA/HMI, C/C++, Python; 7-10 years in industrial automation; Bachelor’s in Electrical/Control Systems engineering; forklift experience a plus.
PLCs, SCADA, HMI, embedded systems, C, C++, Python, simulation tools
2mo
Save
Mark Applied
Hide
Senior Test Engineer
Newark, Delaware, United States
$98k-$153k/yr OnsiteFull Time
2-5 years with Bachelor or 1-3 with Master or 0-1 with PhD; hands-on lab testing; DFМ knowledge; LabVIEW/C/C#/Python; CAN/CANBUS, I2C, SPI; DFM; strong docs.
Multimeters, Oscilloscopes, LabVIEW, C, C#, Python, NI platforms
2mo
Save
Mark Applied
Hide
Senior Computer Vision AI/ML Engineer (TS/SCI) {S}
King of Prussia, Pennsylvania, United States
OnsiteFull Time
5+ YOE2+ MgmtSenior CV AI/ML Engineer with TS/SCI clearance; lead a small team; Python and ML frameworks; 5+ years experience; relocation benefits.
Python, PyTorch, TensorFlow, Keras, PyTorch Lightning, scikit-learn, scikit-image, OpenCV, AWS
1mo
Save
Mark Applied
Hide
Software Engineer, Vertical Lift (Experienced or Senior)
Ridley Park, Pennsylvania, United States
$135k-$232k/yr OnsiteFull Time
5+ YOEBachelor’s in engineering; 5+ years full life-cycle software development; proficiency in C, C++, C#, Python, Java, Ada, Linux; ability to obtain US Secret clearance.
C, C++, C#, Python, Java, Ada, Linux, Git, DOORS, CI/CD
1mo
Save
Mark Applied
Hide
URBN Senior Network Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
8+ YOE8+ years enterprise network engineering; Bachelor's in CS/IS or related; SD-WAN, BGP, automation (Ansible, Python); security, cross-site networks.
Ansible, Python, Netmiko, NAPALM, Nornir, pyATS, Cisco Viptela, Meraki, VeloCloud, Palo Alto, Fortinet, Cisco ASA/FTD, IPsec, SSL, SD-WAN
1mo
Save
Mark Applied
Hide
Software Engineer, Vertical Lift (Experienced or Senior)
Ridley Park, Pennsylvania, United States
$135k-$232k/yr OnsiteFull Time
5+ YOEBachelor's degree in engineering; 5+ years full software development lifecycle experience; proficiency in C, C++, C#, Python, Java, Ada, Linux; ability to obtain US Secret clearance.
C, C++, C#, Python, Java, Ada, Linux, Git, CI/CD, DOORS, DO-178C
1w
Save
Mark Applied
Hide
Palantir Forward Deployed Senior Engineer
Chicago or Milwaukee or Dallas or Columbus or Kirkland or New York or Cincinnati or St. Louis or Cleveland or Oklahoma City or Austin or Albany or St. Pete or Hartford or Pittsburgh or Phoenix or Seattle or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or San Francisco or Morristown or Denver or Boston or United States
HybridFull Time
5+ YOE5+ years data engineering; 3+ years Palantir Foundry/Gotham; 3+ years AI techniques with Palantir AIP; 5+ years cloud (AWS/Azure/GCP); 5+ years Python, PySpark, Java; Bachelor’s degree in CS/Engineering or equivalent
Python, PySpark, Java, Palantir Foundry, Palantir Gotham, AIP
2mo
Save
Mark Applied
Hide
Senior Network Automation Engineer, Full-Stack
Richmond or St. Louis or Cleveland or Philadelphia or Chicago or San Francisco or New York or Kansas City or Boston or Atlanta or Minneapolis or Dallas
$113k-$156k/yr OnsiteFull Time
6+ YOESenior-level full-stack and network automation engineer with Java, JavaScript/NextJS, Python; AWS, IaC (Terraform/CloudFormation); MuleSoft, ServiceNow, OpenShift; UI tooling (Angular); on-call support.
NextJS, Java, JavaScript, Python, Java SpringBoot, OpenShift, MuleSoft, ServiceNow, Angular, AWS, Terraform, CloudFormation, GitHub, GitLab, Maven, Jenkins
HiringCafe market data
Senior Python Developer Jobs market signals in Hockessin, DE, 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
400+
Hiring companies
140+
Fresh sample
58% new in 30d
Salary visibility
61% show pay
Companies appearing in this market
JPMorgan ChaseBoeingARKA GroupASRC FederalCACIComcastLockheed MartinParsons
Work location mix in visible results
Onsite: 60Hybrid: 29Remote: 9