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Python Software Developer Jobs in Middletown, DE, US
440+ python software developer jobs from 160+ companies hiring in Middletown, DE, US.
2mo
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Staff Software Engineer (Secret) {S}
King of Prussia, Pennsylvania, United States
OnsiteFull Time
5+ YOEBachelor's in CS or related field; 5+ years Java/C#/Python; 1+ year JS/Typescript; in-office 3+ days/week; Secret clearance; experience with Java frameworks and cloud/native architectures.
Java, C#, Python, JavaScript, TypeScript, Spring Boot, Quarkus, AWS, Azure, Kubernetes, React, Angular, Git, GitLab, Jira, Confluence
5d
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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
2mo
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Full Stack Developer (MD, Hanover)
Hanover, Maryland, United States
OnsiteFull Time
3+ YOE3+ years as a full stack developer; React/Next.js; Node.js/Python; DoD/regulatory experience a plus; AI/LLM integration experience.
React, Next.js, Node.js, Python, AWS, PostgreSQL, DynamoDB, MongoDB, REST APIs, Git
6d
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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
1mo
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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
2mo
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AI Platform Engineer (Philadelphia, PA, US, 19103)
Philadelphia, Pennsylvania, United States
OnsiteFull Time
3+ YOEMid-level software engineer with Python/Java, AI-enabled platforms, bachelor’s degree, 3-6 years, strong communication.
Python, Java, SQL, Palantir Foundry
2w
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Sr Quality Engineer
King of Prussia, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years in software testing/automation; Bachelor's in CS/Engineering; experience with Playwright, Selenium, Cypress; CI/CD integration; Java/Python/Go/Rust; strong debugging and collaboration.
Playwright, Selenium, WebDriver, Gauge, Cypress, GitHub Actions, Azure DevOps, Jenkins, GitLab CI, Docker, Kubernetes, Prometheus, Grafana, Allure, JUnit
1mo
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Software Engineering Intern (Cyber focus)
Edgewood, Maryland, United States
$15-$35/hr OnsiteFull Time, Internship
Pursuing Bachelor's or Master’s in CS/CE/Cybersecurity; Python scripting; Linux/Windows admin; REST APIs; vulnerability scanning concepts; automation/DevOps familiarity; strong communication.
Python, REST APIs, JSON, CSV, XML, Linux, Windows, Jira, Nessus, Ollama
3w
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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
4w
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Back End Developer (7+ Yrs and Clearance Required) – San Antonio, TX
San Antonio or Fort Meade
HybridFull Time
7+ YOE7 years of software development experience; AWS, Kubernetes, RESTful APIs; Jenkins/GitLab; TS/SCI clearance; US citizen.
AWS, Kubernetes, Red Hat Linux, Jenkins, GitLab, Docker, OpenJDK, Ansible, Packer, Maven, Java, Python, PostgreSQL, RDS, Exodus, Luna
4d
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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
1d
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Tech Consulting - Full-Stack Java Developer - Senior - Multiple Locations (Los Angeles, CA, US, 90017-5418)
Los Angeles or New York City or Hoboken or San Francisco or San Jose or Seattle or Boston or Chicago or St. Louis or Philadelphia or Dallas or Houston or Irvine or San Diego or Portland or Denver or Minneapolis or Nashville or Phoenix or Pittsburgh or McLean or Atlanta or Charlotte or Detroit or Columbus or Cleveland or Akron or Miami
$103k-$188k/yr HybridFull Time
3+ YOE3+ years software engineering; Bachelor's in CS or related field; proficient in at least one modern backend language; full-stack experience; REST APIs; React/Angular or similar; Git; cloud familiarity; travel up to 25%.
Python, Java, JavaScript, TypeScript, React, Angular, Git, Node.js, Spring, .NET, Docker, Kubernetes, REST APIs
4w
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AI Engineer - Agentic AI (Colmar, PA, US, 18915)
Colmar, Pennsylvania, United States
$103k-$153k/yr HybridFull Time
3+ YOE3+ years in software/automation/AI roles; Python proficiency; experience with agent orchestration (LangGraph); Microsoft AI/Automation stack (Azure AI Foundry, Power Automate, Copilot Studio); experience with large language models (Anthropic Claude); APIs and system integration.
Python, LangGraph, Power Automate, Copilot Studio, Azure AI Foundry, OpenAI Codex, Anthropic Claude, Dataverse, APIs, JSON
1mo
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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
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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
1w
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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
1mo
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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
2mo
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Full Stack Developer (Power Automate + AI)
Aberdeen, Maryland, United States
HybridFull Time
5+ YOE5+ years in software engineering; Power Automate and Power Platform expertise; DoD security clearance; strong stakeholder collaboration; secure integrations.
C#, .NET, Node.js, Python, Power Automate, Power Apps, Power BI, Dataverse, SharePoint, Azure, ALM, Graph/REST
15h
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Software Development Specialist IV
Conshohocken, Pennsylvania, United States
$100k-$140k/yr RemoteFull Time
6+ YOEBA/BS in information science, data analytics, computer science, or related field with 6+ years experience; experience designing/building automation tools and dashboards; relational databases; US citizenship required.
Power Platform, Power Apps, Dataverse, Power Automate, Power BI, Microsoft 365, ETL, Relational databases, Python, C#, JavaScript, SQL, Azure
1mo
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C++/CUDA-Signal Processing Engineer
Aberdeen Proving Ground, Maryland, United States
$140k-$176k/yr OnsiteFull Time, Contract
3+ YOEBachelor's in Computer Science; 3+ years C++, CUDA; TS/SCI clearance; Git; MATLAB; Linux; Python; multithreading/optimization.
C++, CUDA, Git, MATLAB, Linux, Python
1mo
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AI Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Experience building full-stack AI/GenAI systems; strong Python/TypeScript; front-end (React/Next.js); API integration; containerization; cloud; data analytics; production-quality delivery; AI ethics.
Bolt, v0, Cursor, Loveable, CrewAI, Replit, frontier LLMs
1mo
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Manuel Test Engineer
Annapolis Junction, Maryland, United States
$150k-$240k/yr OnsiteFull Time
8+ YOEActive TS/SCI clearance with Polygraph; 8+ years of relevant experience; full SDLC testing; experience with formal test events; collaboration with developers; lab testing with physical equipment; strong communication.
Automated testing tools, Java, Shell, Python
1w
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Front-End Engineer (Healthcare Consulting)
Philadelphia, Pennsylvania, United States
$96k-$140k/yr HybridFull Time
3+ YOE3+ years of front-end development with React; knowledge of back-end/API operations; healthcare or regulated industry experience preferred.
React, JavaScript, Python, HTML, CSS, Tailwind, Redux, Zustand, Vite, Webpack, Jest, React Testing Library, Playwright, GitHub Actions, CI/CD, Node.js, NPM, Yarn, PNPM, CSS Modules
3w
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Agile Developer 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
Active TS/SCI with Full Scope Polygraph; 9 years with Bachelor's or 7 years with Master's; AWS tools; experience in Java/Spring Boot, microservices, CI/CD, and related tools.
Java, Spring Boot, Python, AWS, DynamoDB, Lambda, CloudWatch, Maven, GitLab, GitOps, Kubernetes, Docker, Ansible, NoSQL, OAuth/OIDC, Cypress, Cucumber
2w
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Cleared Senior Software Researcher
Annapolis Junction, Maryland, United States
OnsiteFull Time
Active TS/SCI with Full Scope Poly; Bachelor's degree or 4 years relevant experience; proficiency in C, Python, and Assembly; understanding of software vulnerabilities and distributed architectures.
C, Python, Assembly
5d
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Senior Staff Engineer - Financial Substantiation Platform *Hybrid*
Bethesda or Dallas or Washington or Falls Church or Baltimore or Seattle
$120k-$260k/yr HybridFull Time
10+ YOESenior software engineer with 10+ years, architecture leadership, distributed systems, cloud, and data-focused reconciliation platforms. Strong collaboration with Finance, Compliance, and Product.
Java, C#, Go, REST, gRPC, SQL, AWS, Azure, GCP, CI/CD, Containers, IaC, DevOps, Kubernetes, Kafka, Snowflake, Airflow, Python, PySpark, Snowpark
5d
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Principal Scientist, Genomics Analytics Engineer
Stevenage or Upper Providence
HybridFull Time
Strong Python programming; production-grade code; genomics data analysis; end-to-end pipelines; experience with workflow tools (Nextflow, Airflow, Dagster, Prefect, Snakemake); independent ownership.
Python, Nextflow, Airflow, Dagster, Snakemake, Prefect
1w
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DevOps Engineer
Philadelphia, Pennsylvania, United States
$87k-$136k/yr OnsiteFull Time
3+ YOEBachelor’s degree in CS/CE or Electrical Eng with 3 years in DevSecOps/CI/CD, Git platforms, automation scripting, toolchain mgmt, performance monitoring, and data management; US Citizenship with active Secret clearance.
GitLab, GitHub, Jira, CI/CD, Python, Bash, Docker, Kubernetes, Static code analysis, Security scanning, Dependency scanning, Vulnerability scanning
6d
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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
3mo
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Senior Data Engineer
Baltimore, Maryland, United States
$125k-$150k/yr HybridFull Time
8+ YOE8+ years in data engineering, PostgreSQL, data pipelines, cloud data lakehouse, Airflow, Kubernetes, Python; BS or MS in CS/IT.
PostgreSQL, Apache Airflow, Kubernetes, Python, Shell scripting
6d
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DevOps Engineer
White Plains or Conyers or Roanoke or Independence or Hartford or Savannah or Alexandria or Greensboro or Charleston or Missoula or Charlotte or Huntsville or Hartford or Miami or Tallahassee or Albany or Gainesville or Columbus or Boston or San Antonio or Dallas or Denver or Phoenix or San Francisco or Chicago or Nashville or Portland or Charlotte or Houston or Wilmington or Lexington or Tampa or Baltimore or Raleigh or Las Vegas or Cary or Irvine or Brookfield or Shreveport or Greenville or Van Nuys or Minneapolis or Red Bank or Jacksonville or Seattle or Sarasota or Kennesaw or Palm Beach or Towson or Sacramento or Dayton or Broomfield or Golden or Princeton or Omaha or Oklahoma City or Chesterfield or Schaumburg or Suffolk or Jupiter or Carmel or Canonsburg or Buffalo or Schaumburg or Philadelphia or Schaumburg or Sunrise or St. Louis or Los Angeles or Atlanta or Gulfport or Norwalk or South Portland or Metairie or Virginia Beach or Edina or Richmond or Southfield or Cleveland or Milwaukee or Chattanooga or Fort Worth or Rochester or Grand Forks or Detroit or Jersey City or Boise or Portland or San Ramon or Easley or Duluth or Glenville or Syracuse or West Palm Beach or Cary or Irvine or Brookfield or Shreveport or Greenville or Los Angeles or Atlanta or Orland Park or Columbia or Elmhurst or Portland or San Diego or San Ramon or Myrtle Beach or Gainesville or Hartford or Allentown or Macon or Tampa or Saint Petersburg or Irvine or Raleigh or San Ramon or Lewisville
$77k-$134k/yr RemoteFull Time
5+ YOE5+ years software development; cloud (Azure/AWS); CI/CD (Azure DevOps, GitHub Actions); scripting (Python, Bash, PowerShell); Git; strong communication; delivery track record.
Azure, AWS, Terraform, Azure Bicep, Docker, Kubernetes, Git, Azure DevOps, GitHub Actions, Python, Bash, PowerShell
1mo
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Flight Test Engineer
Coatesville, Pennsylvania, United States
$140k-$160k/yr OnsiteFull Time
5+ YOE5+ years in VTOL/system development; experience with mechanical/electrical testing; Python and design software proficiency; bachelor’s in engineering; ability to obtain security clearance.
Python, Microsoft Office, Engineering design software
3mo
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Eng Sr Prin II - Test
Annapolis Junction, Maryland, United States
$150k-$254k/yr OnsiteFull Time
10+ YOEJava expertise; broad experience with Java/JEE, Python, C/C++, SQL, SOAP/WSDL; UI development; cryptography knowledge; Windows/Linux; web services; strong software principles; effective communication; independent thinker.
Java, Python, C/C++, SQL, SOAP/WSDL, PERL, PowerShell, Eclipse, Postgres, Oracle, Jenkins, JSON, HTML, XML, XSLT
3w
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Infrastructure Engineer - HIL
Philadelphia, Pennsylvania, United States
OnsiteFull Time
5+ YOESenior engineer with 5+ years in embedded systems, robotics, or hardware-software systems; strong Python, CI/CD, Docker, and HIL experience; design and scale test infrastructure.
Python, Docker, GitLab, Jenkins, CI/CD, Grafana, Azure, Ethernet, CAN, BLE, Wi-Fi
2mo
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Application Architect - DARPA SciFy Project - Penn Engineering
Philadelphia, Pennsylvania, United States
$100k-$150k/yr OnsiteFull Time
4+ YOEBachelor's in Computer Science with 4-6 years software development; strong Python; experience with LLM APIs; agent frameworks; API development; full-stack web development; agile research environment; good communication and teamwork.
Python, LLM APIs, REST, GraphQL, Docker, Kubernetes
6d
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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
1w
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Senior Associate, Enterprise Application Developer
Washington or Baltimore
$62k-$99k/yr HybridFull Time
3+ YOEBachelor's degree in Computer Science or Information Systems; 3+ years in software development and automation; experience with Microsoft 365, SharePoint Online, CI/CD; scripting/programming in PowerShell, JavaScript/TypeScript, Python; Azure AD and APIs; strong problem-solving and communication.
Power Apps, Power Automate, Office Scripts, SharePoint Online, GitHub Actions, Azure, Azure AD, Graph API, Salesforce, SQL, JavaScript, TypeScript, Python, PowerShell
2mo
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Senior Robotics AI Engineer
Philadelphia, Pennsylvania, United States
$160k-$180k/yr OnsiteFull Time
4+ YOE4+ years in robotics/software for ML; strong Python/C++; production ML deployment; perception/navigation with camera/LiDAR.
Python, C++, TensorFlow, PyTorch, ROS, Docker, Linux, TensorRT
1mo
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RF Design engineer/SME
Philadelphia, Pennsylvania, United States
OnsiteFull Time
10+ YOE10+ years in RF Wireless engineering and software development; experience with 5G/LTE architecture, macro/small cell/in-building design, design tools, data analysis, and collaboration with deployment teams.
Atoll, Planet, Overture, iBwave, Ekahau, Python, SQL, Tableau, PowerBI, PostGIS, QGIS, AWS Redshift, AWS Athena, Excel
1mo
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Senior System Test & Validation Engineer
New Castle, Delaware, United States
$92k-$153k/yr OnsiteFull Time
5+ YOE5+ years in system testing/validation for complex products; Linux-based systems or IoT experience; end-to-end validation across hardware and software; test automation with Python; strong root-cause analysis; lab with physical devices.
Linux, IoT, Python, CI/CD, Jenkins, GitHub Actions, GitLab CI, Azure DevOps, Oscilloscope, Multimeter, Logic analyzer
HiringCafe market data
Python Software 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
440+
Hiring companies
160+
Fresh sample
52% new in 30d
Salary visibility
64% show pay
Companies appearing in this market
SAPARKA GroupAssociation of Universities for Research in AstronomyCadentDalcom EngineeringEYFiservParts Authority
Work location mix in visible results
Onsite: 28Hybrid: 16Remote: 6