📣 HiringCafe is hiring a Founding Growth Hacker! Learn More · Apply here
Limited-index browse page
Python Developer Jobs in Middletown, DE, US
770+ python developer jobs from 250+ companies hiring in Middletown, DE, US.
1mo
Save
Mark Applied
Hide
CNO Software Engineer
Annapolis Junction or Annapolis
$113k-$257k/yr OnsiteFull Time, Part Time
8+ YOE8+ years software and embedded development; TS/SCI with polygraph; Bachelor's in CS/CE/EE/Math/Physics; experience with C/C++, Golang, JavaScript, Python, or Ruby; Linux; Git; scripting; vulnerability analysis; network protocols; FPGA/ASIC (nice); RF/Signals (nice).
C, C++, Golang, JavaScript, Python, Ruby, Linux, Git, Wireshark, tshark, Bash, FPGA, ASIC
1mo
Save
Mark Applied
Hide
Staff AI/ML Engineer
Philadelphia, Pennsylvania, United States
$99k-$207k/yr OnsiteFull Time
8+ YOE8+ years AI/ML development; Python with ML libraries; TS/SCI clearance; BS in a related field.
Python, PyTorch, Lightning, OpenCV, NumPy, Polars, Git, GitLab, Bitbucket
3w
Save
Mark Applied
Hide
Senior Automation Developer
Camden, New Jersey, United States
$90k-$105k/yr HybridFull Time
4+ YOE4+ years automation development in Microsoft ecosystem; degree in CS or equivalent; experience with AI agents, RPA, data pipelines; Power Automate; Azure; APIs; scripting.
Microsoft Power Automate, Power Platform, Copilot Studio, Copilot agents, WorkIQ, Azure, SQL, Power BI, Python, PowerShell
2w
Save
Mark Applied
Hide
Mid-Level Application Developer
Fort Meade, Maryland, United States
$70k-$190k/yr OnsiteFull Time
6+ YOETS/SCI with polygraph; 6 yrs experience or 4 yrs with B.S./4 yrs M.S; proficient in C/C++/Python; Unix; network programming; Jira/Confluence; Git/Subversion.
C/C++, Python, Unix, Network Programming, Jira, Confluence, Git, Subversion
1w
Save
Mark Applied
Hide
103Q - Lead Software Development Engineer - Flex Location
Parsippany or Atlanta or Mahwah or Louisville or Timonium
$121k-$225k/yr HybridFull Time
Lead AI engineer with hands-on software development, experience with Generative AI, GitHub Copilot, and DX tooling; strong Python/Java/C# background; familiar with large-scale enterprise environments.
Python, Java, C#, GitHub Copilot, Microsoft Copilot Studio, Power Platform, LLMs, Embeddings, RAG
2w
Save
Mark Applied
Hide
Software Engineer 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
20+ YOE20 years SWE experience; Bachelor's in CS; Linux; Python, Java, C++; security clearance; geolocation/RF knowledge.
Python, Java, C++, Linux
2w
Save
Mark Applied
Hide
URBN Principal Engineer, Developer Experience & AI Enablement
Philadelphia, Pennsylvania, United States
OnsiteFull Time
8+ YOE8+ years in software engineering or related field; deep web stacks; improve developer experience; strong collaboration and communication.
Python, Go, Node.js, MongoDB, Elasticsearch, Snowflake, Qlik, BigQuery, Salesforce
1mo
Save
Mark Applied
Hide
ML Software Developer II
Aberdeen, Maryland, United States
$85k-$110k/yr OnsiteFull Time
5+ YOEBachelor's degree; 5-9 years Python and ML experience; DoD security eligibility; US citizenship; ability to obtain DoD clearance
Python, TensorFlow, MySQL, C++, NLP, Deep Learning
2mo
Save
Mark Applied
Hide
Software Engineer
Baltimore, Maryland, United States
$85k-$130k/yr HybridFull Time
Campbell & Company: A systematic investment manager specializing in quantitative multi-strategy portfolios.
3+ YOE3+ years in C#/.NET development; SQL Server/Oracle experience; CI/CD and testing; strong communication and problem-solving.
C#, NET, Python, ASP.NET, SQL Server, Oracle, CI/CD, Testing Frameworks
3d
Save
Mark Applied
Hide
AI Engineer
Auburn or Aberdeen
OnsiteFull Time
5+ YOEBachelor’s degree in engineering, computer science, or related field; 5+ years AI experience; agentic AI; cloud platforms; programming in Go/C++/Python; US citizenship and ability to obtain clearance; willing to travel.
Go, C++, Python, JetBrains, VSCode, REST, GraphQL
1w
Save
Mark Applied
Hide
Software Engineer - 90402844 - Washington DC, Philadelphia PA or Wilmington DE (US)
Washington or Wilmington or Philadelphia
$72k-$93k/yr OnsiteFull Time
1+ YOEBachelor’s degree or equivalent; 1+ year software engineering; Java, Python, SQL; frontend/backend development; CI/CD and cloud; onsite in DC/DE/PA.
Angular, React, Java, Python, SQL, NoSQL, AWS, Azure, CI/CD
1mo
Save
Mark Applied
Hide
Software Engineer
Baltimore, Maryland, United States
OnsiteFull Time
3+ YOEExperience with Python or Java, SQL, Kubernetes, HTML, Apache NiFi; GitLab/CI/CD; Docker; Atlassian tools; REST APIs; IAM and big data tools; TS/SCI with Polygraph clearance; degree with years of relevant experience.
Python, Java, SQL, Kubernetes, HTML, Apache NiFi, GitLab CI/CD, Docker, Jira, Confluence, Ansible
1w
Save
Mark Applied
Hide
QA Automation Eng w/Selenium & Python (Onsite Hybrid) (King Of Prussia, PA, US)
King Of Prussia, Pennsylvania, United States
HybridFull Time
5+ YOE5+ years in web and API testing; automation using Selenium and Python; strong SQL experience; Agile experience; knowledge of Playwright and Jira preferred.
Selenium, Python, Playwright, JIRA, SQL
1w
Save
Mark Applied
Hide
Software Engineer 1
Annapolis Junction, Maryland, United States
OnsiteFull Time
7+ YOESeven years of SWE experience in similar scope; Bachelor’s in CS or related field; strong Python/GIT with CI/CD and Kubernetes, or VueJS stack; active clearance with polygraph.
Python, Git, CI/CD, Kubernetes, Vue.js, Vuetify, Leaflet, ElasticSearch, Node.js, REST, GRPC, MongoDB
3w
Save
Mark Applied
Hide
URBN Software Engineer
Philadelphia, Pennsylvania, United States
$110k-$120k/yr OnsiteFull Time, Contract
Backend software engineer with Python, FastAPI, microservices; cloud platforms; data processing; ML concepts; must have FastAPI/FastMCP/ADK/LangGraph experience; strong OO and design patterns.
Python, FastAPI, GraphQL, FastMCP, ADK, LangGraph, Google Cloud Platform, Amazon Web Services, Microsoft Azure, Data processing, Machine learning
6d
Save
Mark Applied
Hide
Software Engineer
Annapolis Junction, Maryland, United States
$165k-$185k/yr OnsiteFull Time
3+ YOEActive TS/SCI with polygraph; Master's or Bachelor's in CS or related field with 3/5/7 years SWE experience; Linux CLI; Bash; Python; Docker/Kubernetes; NoSQL (MongoDB); SQL (PostgreSQL); CI/CD; Git; RabbitMQ; Jira/Confluence; Ansible IaC.
Linux, Bash, Python, Docker, Kubernetes, RabbitMQ, MongoDB, PostgreSQL, Git, CI/CD, ElasticStack, Prometheus, Grafana, Jira, Confluence, Ansible, GitLab CI
1mo
Save
Mark Applied
Hide
Software Engineer - Level II
Aberdeen Proving Grounds, Maryland, United States
$86k-$150k/yr OnsiteFull Time
3+ YOEUS citizen; Secret clearance; degree with experience in software development and SDLC.
Java, C++, Python, JavaScript, Git, TCP/IP
4d
Save
Mark Applied
Hide
AI Staff Engineer (SW Engineer IV+)
Philadelphia or Boston or New York City or Baltimore or Washington D.C. or Charlotte or Raleigh-Durham or Atlanta or Chicago
$170k-$220k/yr HybridFull Time
8+ YOE8+ years software engineering; experience with Python/JS/TS; data pipelines; AI/ML production; cloud-native systems (AWS); strong cross-functional collaboration.
Python, JavaScript/TypeScript, AWS, Databricks, Spark, Snowflake, AI/ML
1w
Save
Mark Applied
Hide
Sr Quality Engineer
King of Prussia, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years automated testing of web apps; Proficient in Python, JavaScript, or TypeScript; Playwright or Selenium; Cucumber; CI/CD with Jenkins or GitLab; API testing with Postman; strong problem-solving and communication in Agile
Playwright, Selenium, Cucumber, SQL, NoSQL, Locust, Jenkins, GitLab, Postman, Confluence, Prometheus, Grafana, Python, JavaScript, TypeScript, React, Flutter
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
2mo
Save
Mark Applied
Hide
Senior Data Engineer
Baltimore, Maryland, United States
$125k-$150k/yr HybridFull Time
8+ YOE8+ years in Linux, data engineering, PostgreSQL, data pipelines; Python; Kubernetes; Apache Airflow; cloud and on-prem; BS/MS in CS/IT.
PostgreSQL, Apache Airflow, Kubernetes, Python, Linux
1mo
Save
Mark Applied
Hide
SDET Engineer
Philadelphia, Pennsylvania, United States
$72k-$130k/yr OnsiteFull Time
2+ YOEBachelor's degree plus 2 years' related experience or equivalent; 2-4 years in development languages and automation tools; Agile, end-to-end testing, problem solving, analytics; 18+ and authorized to work in the US.
TypeScript, JavaScript, Python, Java, Cypress, Selenium, TestNG, Appium, Sauce Labs, Rest Assured, Postman, Cucumber, Jasmine, Protractor
1w
Save
Mark Applied
Hide
Cloud Software Engineer CSWE2 - 27151
Hanover, Maryland, United States
OnsiteFull Time
Experience with DevOps, ElasticSearch, NiFi, Python, Java/Spring Boot, and Angular.
Python, Java/Spring Boot, Angular, Elastic Search, NiFi, DevOps
2w
Save
Mark Applied
Hide
BI Developer
Malvern or New York
$145k-$165k/yr OnsiteFull Time
6+ YOE6+ years BI development; expert Power BI; SQL/Snowflake/Databricks; Python data tools; banking/financial services familiarity; Agile experience; certifications a plus.
Power BI, SQL, Snowflake, Databricks, Fabric, Python, Pandas, Polars, DuckDB
2mo
Save
Mark Applied
Hide
Lead CNO Developer (Onsite)
Annapolis Junction, Maryland, United States
OnsiteFull Time
12+ YOE5+ MgmtBachelor’s degree plus extensive experience; 12+ yrs in programming (Assembly, C, C++, Java, Perl, Python); 10+ yrs on CNO tools; 5+ yrs leading teams; 4+ yrs evading IDS; 4+ yrs sockets programming.
Python, C, C++, Java, Perl, Assembly, Bash, PowerShell, IDA Pro, Ghidra, OllyDbg, Git, Networking, IDS evasion
1mo
Save
Mark Applied
Hide
CNO Software Engineer
Annapolis Junction, Maryland, United States
$250k-$300k/yr OnsiteFull Time
7+ YOE7+ years of experience; TS clearance; strong C/C++, Python; assembly; reverse engineering with Ghidra/IDA Pro; Windows/Linux CNO; persistence focus.
C/C++, Python, Assembly, Ghidra, IDA Pro, Windows, Linux, NDK
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
3d
Save
Mark Applied
Hide
Software Engineer - Junior Level
Annapolis Junction, Maryland, United States
$98k-$123k/yr HybridFull Time
0+ YOEBachelor's in CS or related field or 4 years of software engineering experience; TS/SCI with poly; Agile, Jira/Confluence; experience with Java/C++/Python, Git, Postgres; AWS preferred.
Git, Java, C++, Python, PostgreSQL, Jira, Confluence, AWS, Docker, Kubernetes, HAProxy, Nginx, Elastic Stack
5d
Save
Mark Applied
Hide
Backend Engineer Intern
New York or Philadelphia
$20-$25/hr HybridInternship, Full Time
0+ YOERising junior or senior pursuing a bachelor's in CS or related field; strong OOP in C# or Python; API basics; SQL; debugging; project experience; good communication; self-motivated.
C#, Python, REST, SQL, Git, CI/CD, AWS, Azure, GCP, .NET
2mo
Save
Mark Applied
Hide
Robotic Software Engineer - Manipulation
Philadelphia, Pennsylvania, United States
OnsiteFull Time
3+ YOESenior robotics engineer with 3+ years in manipulation, motion planning, control; strong C++/Python, ROS 2, and hardware testing.
MoveIt, OMPL, MuJoCo, Gazebo, Isaac, Bullet/PyBullet, ROS 2, C++17/20, Python, Unix/Linux
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
4d
Save
Mark Applied
Hide
Software Quality Engineer I
New Hartford or Austin or Chicago or Philadelphia
$70k-$80k/yr RemoteFull Time
0+ YOE0–2 years software/testing experience; Linux/Windows; Python; QA fundamentals.
Python, Linux, Windows, Jira, TestRail, CI pipelines, pytest
3w
Save
Mark Applied
Hide
Software Engineer (Mid-level)
Springfield, Pennsylvania, United States
HybridFull Time
3+ YOE3-5 years professional software development; cross-stack ability; strong collaboration; able to leverage AI tools; portfolio
.NET Core, Node.js, Python, React, Next.js, TypeScript, Azure, SQL Server, Microservices, Functions, Lambdas, CI/CD, Unit Testing, Automated Testing
1mo
Save
Mark Applied
Hide
Senior Full Stack Developer (React)
New Hyde Park or Moline or Hartford or Framingham or West Palm Beach or Norcross or Chicago or Milwaukee or Baltimore or Piscataway or United States
$125k-$150k/yr RemoteFull Time
5+ YOE5+ years full-stack production experience; Python (FastAPI/Flask) and React (TypeScript); AI/ML integration; Kafka; PostgreSQL; Redis; strong communication.
Python, FastAPI, SQLAlchemy, Pydantic, React, TypeScript, Tailwind, Redis, PostgreSQL, Kafka, Databricks, MLflow, Docker, Kubernetes, GitHub Actions, Terraform, ODBC, Data Queues, WebSockets, FastAPI, RH other
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
3d
Save
Mark Applied
Hide
Java Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
7+ YOESenior-level software engineer proficient in Java, Python, Docker/Kubernetes, CI/CD, microservices; TS/SCI clearance with polygraph; 7+ years SWE experience; BS in CS or related field with experience substitutions.
Java, Python, Shell, Git, Nexus, Maven, JavaScript, JUnit, IDE, Docker, Kubernetes, CI/CD, Spring, Hibernate, MySQL, Web Services, Vaadin, GWT, Nexus, SonarQube
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
Drexel Co-Op: Software Engineer (Java)
Philadelphia, Pennsylvania, United States
RemoteTemporary
Entry-level software engineer coop; learning mindset; experience with Java/Python/AWS; good communication; SDLC knowledge; automated testing a plus.
Java, Python, AWS, Appium, Cucumber, Angular, Spring Boot, SQL, JUnit
15h
Save
Mark Applied
Hide
Sr Software Engineer
Baltimore or Maryland
$122k-$158k/yr HybridAll Commitments Available
2+ YOEMaster’s degree in computer science or related field plus 2+ years SDLC; 2+ years AWS (Fargate, S3, Lambda, SNS), React UI, Java/Python backend; experience with relational DBs; APIs and cloud tech.
AWS, Fargate, S3, Lambda, SNS, React, Java, Python, Oracle, DB2, PostgreSQL
2mo
Save
Mark Applied
Hide
Junior Software Engineer
Baltimore, Maryland, United States
OnsiteFull Time
Bachelor’s degree in Computer Science or Information Systems; experience with Python, Java, C++, Ruby, or JavaScript; experience leading all SDLC phases; data integration experience; ability to gather requirements and work with users; available for non-traditional hours.
Python, Java, C++, Ruby, JavaScript, SQL, AWS S3, AWS Lambda, AWS SQS, Django, R
HiringCafe market data
Python Developer Jobs market signals in Middletown, 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
770+
Hiring companies
250+
Fresh sample
57% new in 30d
Salary visibility
57% show pay
Companies appearing in this market
RealmOneCACIT. Rowe PriceUrban OutfittersAssociation of Universities for Research in AstronomyBooz Allen HamiltonFiservGhost Robotics
Work location mix in visible results
Onsite: 49Hybrid: 23Remote: 7