Python Developer Jobs in Middletown, DE, US

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Senior Software Engineer- Enrichment

Oaks, Pennsylvania, United States

OnsiteFull Time

RevSpring: Provides patient engagement and payment solutions for healthcare providers.

5+ YOE5+ years building production software with Python; 5+ years with relational and NoSQL databases; 5+ years collaborating with Git.

Python, BigQuery, GCP, AWS, Pulumi, LangChain, LangGraph, TypeScript, React, Docker, Git

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Junior Java Developer (Remote Opportunity)

Washington or Philadelphia

RemoteFull Time

VetsEZ: Digital transformation and healthcare IT services for government agencies.

0+ YOEEntry-level Java developer with a BS in CS/IT/Engineering; knowledge of Java or similar; basic full-stack concepts; strong problem-solving and communication; ability to work in Agile team.

Java, C#, Python, JavaScript, PHP, React, Angular, Node.js

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1mo

SuccessFactors Recruiting: Research Software Engineer (Data Science and AI Institute) (120761)

Baltimore, Maryland, United States

HybridFull Time

Johns Hopkins University: Private research university providing higher education and global research.

3+ YOEMaster’s in CS/Engineering or quantitative field; 3+ years software development; Python expert; experience with AI/ML, data science, and scientific computing; Git, CI/CD; Docker/Singularity; SQL; cloud; mentoring.

Python, R, C/C++, JavaScript/TypeScript, Julia, Git, Docker, Singularity, Linux, CI/CD, SQL

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Senior Software Engineer, Backend

Philadelphia, Pennsylvania, United States

$160k-$210k/yr OnsiteFull Time

Perpay: Financial platform offering interest-free shopping and credit building via payroll.

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

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Software Engineer - Early Career

Camden or Moorestown

OnsiteFull Time

Lockheed MartinNYSE: LMT: Designs and builds aerospace and defense technology systems.

2+ YOEMaster’s Degree in Computer Science or equivalent; minimum 2 years C++ software development; OO C++; experience with automated testing; US citizen; government security clearance; facility with special access.

C++, Object-Oriented Programming, UML, Linux, Python, Git, JIRA, Confluence, Static Code Analysis, CI/CD

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Principal Software Engineer

Dresher or Philadelphia

OnsiteFull Time

Ascensus: Administers tax-advantaged retirement and education savings plans.

Bachelor's degree in computer science or engineering; strong technical leadership; AI tooling experience; hands-on software development; Agile experience; excellent problem-solving and communication skills.

C, C++, Python, Apache, Nginx, Redis, jQuery, PowerShell, React, Docker, Kubernetes, CI/CD, TDD, Agile

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2mo

Senior Software Engineer, Platform

Philadelphia or New York

$116k-$209k/yr OnsiteFull Time

T-MobileNASDAQ: TMUS: Provides wireless voice, messaging, and data services to customers.

4+ YOEDevelop and optimize platform services; cloud focus; Agile; automation; 4-7 years platform experience; AWS preferred.

AWS, Kubernetes, Go, Java, Scala, Python, JavaScript

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Specialist Software Engineering - AI Engineer

Cedar Rapids or Philadelphia or Denver

$131k-$170k/yr HybridFull Time

TransamericaNYSE: AEG: Provides insurance, retirement solutions, and investment products to customers.

Bachelor's degree in CS/Engineering; strong Python & Spark; experience with AI/ML tools (AWS Bedrock, LangChain, Kiro); API design; AWS Lambda/API Gateway; RAG pipelines; PySpark; ETL/IO; enterprise security practices.

Python, Spark, PySpark, AWS Bedrock, LangChain, Kiro, Graph Database, Strands, AWS Lambda, API Gateway, AWS Glue, S3, Athena, EC2, CloudFormation, Terraform, CDK, Docker, ECS, EKS, OpenSearch, Pinecone, FAISS, API design, LLM, RAG pipelines

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2mo

Software Engineer II

Annapolis Junction, Maryland, United States

$76k-$144k/yr OnsiteFull Time

RTXNYSE: RTX: Designs and manufactures aircraft engines and defense systems.

2+ YOETypically requires STEM degree and 2+ years of software development experience; TS/SCI clearance or ability to obtain; strong C++ in Linux; scripting and XML; UI and web skills preferred.

C++, Linux, Python, Bash, Perl, JavaScript, XML, Qt, Angular, TensorFlow, git

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AI/ML Engineer (AWS)

Atlanta or Kansas City or Philadelphia or Detroit Area

$120k-$140k/yr HybridFull Time

ReplyBorsa Italiana: REY: Digital transformation, IT consulting, and system integration services.

3+ YOEUS citizen or green card holder; bachelor's in CS/Engineering; 3 years ML/AI in production; Python; experience with large language models and AWS; CI/CD for ML; model monitoring and updates.

Python, AWS, Machine Learning, Generative AI, Large Language Models, CI/CD

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CyberTron Contract: Software Engineer I

Aberdeen, Maryland, United States

$85k-$110k/yr OnsiteFull Time

Techximius: Provides specialized IT and engineering services for defense missions.

1+ YOEEntry-level software engineer with skills in Java/C/C++, Python, or JavaScript; knowledge of backend, web apps, and microservices; DoD environment familiarity preferred.

Java, C/C++, Python, JavaScript, Backend development, Web technologies, Microservices, SQL

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1mo

AI Engineer

Philadelphia, Pennsylvania, United States

OnsiteFull Time

Fingerpaint Group: Marketing and commercialization services for the healthcare industry.

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

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Senior Software Engineer

Annapolis Junction, Maryland, United States

$170k-$230k/yr OnsiteFull Time

GliaCell Technologies: Software and systems engineering for the intelligence community.

7+ YOEActive TS/SCI with poly clearance required; 9 years with bachelor's or 7 years with master's; US citizenship; AWS, microservices, API development, Lambda, RDS, Grafana, Prometheus, MongoDB, DocumentDB.

Java, Spring Boot, Python, AWS, MongoDB, RDS, Grafana, Prometheus, DocumentDB, COTS/GOTS

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Software Engineer (Engineer Machine Learning 2) - 28223 (Aberdeen Proving Ground, MD, Remote, United States)

Aberdeen Proving Ground, Maryland, United States

$100k-$120k/yr HybridFull Time

HIINYSE: HII: Builds naval ships and provides global defense technology solutions.

2+ YOEMid-level software engineer with C++ expertise; Python preferred; DoD clearance ability to obtain; 2 years exp with Bachelors or 6 years with HS; able to work in Aberdeen Proving Ground.

C++, Python, Git, GitLab, Jira, Confluence

2mo

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2mo

Senior Software Developer (Secret Clearance Required)

Aberdeen, Maryland, United States

HybridFull Time

NextGen Federal Systems: Provides software engineering and IT solutions for federal agencies.

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

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2mo

Application & Data Developer

Wayne, Pennsylvania, United States

$85k-$110k/yr HybridFull Time

The HartfordNYSE: HIG: Provides property and casualty insurance and investment management services.

3+ YOE3+ years in data integration, SQL and Python; SQL-based data ingestion/ETL; Snowflake a plus; AI-assisted development tools; PowerShell; strong documentation.

SQL, Python, Snowflake, Copilot, PowerShell

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AI Software Engineer-Senior

Annapolis Junction, Maryland, United States

OnsiteFull Time

NetSage: Delivering specialized cyber services to the U.S. federal government.

8+ YOETS/SCI with polygraph; BS in CS or related STEM with 8+ years; or PhD with 4 years, MS with 6 years, or AS with 10 years; strong Python; LLM integration; data engineering; Agile, Git, Jira, Confluence; secure enclave deployment; security assessments.

Python, LLM tooling, RAG framework, Git, Jira, Confluence, Static analyzers

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2mo

Entry-Senior Software Engineer- TS/SCI w/ Polygraph

Annapolis Junction, Maryland, United States

$95k-$230k/yr OnsiteFull Time

Sunayu: Software and cybersecurity engineering services for government intelligence agencies.

Software engineer with Java, Python, Git; containerization; CI/CD; Agile; Spring, Hibernate, MySQL; BS in CS or related, 4 years exp may substitute

Java, Python, Git, Shell, Maven, JavaScript, HTML, CSS, JUnit, IDEs, Docker, Kubernetes, OpenShift, GitLab CI, SonarQube, Spring, Hibernate, MySQL, Web Services, Vaadin

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Front-End Engineer (Healthcare Consulting)

Philadelphia, Pennsylvania, United States

$96k-$140k/yr HybridFull Time

Sellers Dorsey: Healthcare strategy and analytics firm serving Medicaid stakeholders.

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

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2mo

AI Platform Engineer (Philadelphia, PA, US, 19103)

Philadelphia, Pennsylvania, United States

OnsiteFull Time

AramarkNYSE: ARMK: Provides food and facilities management services to global institutions.

3+ YOEMid-level software engineer with Python/Java, AI-enabled platforms, bachelor’s degree, 3-6 years, strong communication.

Python, Java, SQL, Palantir Foundry

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AI Documentation Engineer (Exton, PA, US)

Exton, Pennsylvania, United States

HybridFull Time

Bentley SystemsNASDAQ: BSY: Software for designing, building, and operating global infrastructure.

Python or TypeScript/JavaScript experience; hands-on AI/ML or LLM work; familiarity with structured content (DITA XML); experience with content/data pipelines and AI-ready documentation.

Python, TypeScript, JavaScript, LLM APIs, DITA XML, Git, Azure DevOps

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2mo

Lead Data Engineer (Bank Tech)

Wilmington, Delaware, United States

$179k-$205k/yr OnsiteFull Time

Capital OneNYSE: COF: Provides digital banking, credit cards, and consumer financing services.

4+ YOELead data engineer with 4+ years in application development, 2+ years in big data, and 1+ year in cloud computing (AWS/Azure/GCP).

Java, Scala, Python, SQL, NoSQL, MongoDB, Cassandra, Redshift, Snowflake, Hadoop, Hive, Kafka, Spark, Gurobi, MySQL, Unix/Linux, Shell scripting

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Agile Developer 3

Annapolis Junction, Maryland, United States

OnsiteFull Time

Base-2 Solutions: Delivers engineering and technology services for national security.

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

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2mo

Senior Software Engineer - Vehicle Modeling

Sunnyvale or Mountain View or Milford

$129k-$198k/yr HybridFull Time

General MotorsNYSE: GM: Manufacturer of passenger cars, trucks, and automotive components.

3+ YOEBachelor's degree in Mechanical Engineering, Applied Physics, Aerospace Engineering, Computer Science, or related field; 3+ years in vehicle modeling; expertise in vehicle system modeling; strong Python and C/C++; Matlab/Simulink and data analysis experience.

Python, C/C++, Matlab/Simulink, System ID, data analysis

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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

Marsh McLennanNYSE: MRSH: Global professional services firm providing risk, strategy, and people solutions.

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

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1mo

Software Development Engineer In Test (SDET)

Baltimore, Maryland, United States

$105k-$125k/yr HybridFull Time

InVita Healthcare Technologies: Software for blood, donation, and forensic life-saving operations.

3+ YOEBachelor's in CS/IT or related field; 3+ years in QA/SDET; AI-assisted testing experience; manual testing; Python; Playwright; CI/CD; Agile collaboration.

Python, Playwright, Robot Framework, GitHub Copilot, ChatGPT, Claude, Selenium, Cypress, CI/CD

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Software Engineer II - Data Engineering

King of Prussia, Pennsylvania, United States

HybridFull Time

Universal Health ServicesNYSE: UHS: Operates acute care hospitals and behavioral health facilities.

3+ YOEBachelor’s degree in IT or Computer Science; 3+ years SQL and relational DB; BI tools experience; Python; healthcare/insurance experience preferred.

Business Objects, SQL Server, Oracle Analytics Cloud, Snowflake, Parquet, Python

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Snowflake Developer

Buffalo or Wilmington

$68k-$109k/yr HybridFull Time

CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.

10+ YOE10–12 years of experience in development or data engineering; strong Snowflake expertise (Snowpark Python, Snowflake SQL, Tasks, Streams, Snowpipe); Agile experience; excellent collaboration and communication.

Snowflake, Snowpark Python, Snowflake SQL, Snowpipe, Snowflake Tasks, Snowflake Streams

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2mo

Staff Software Engineer (Secret) {S}

King of Prussia, Pennsylvania, United States

HybridFull Time

ARKA Group: Develops advanced technology for space and national security missions.

5+ YOEBachelor's in CS or related field; 5+ years Java/C#/Python; 1+ year JavaScript/TypeScript; in-office 3+ days/week with potential for more; experience with Java, Spring Boot or Quarkus; SDLC, microservices, RESTful APIs; Agile/Scrum; active Secret U.S. Government security clearance.

Java, C#, Python, JavaScript, TypeScript, Spring Boot, Quarkus, REST, AWS, Azure, Kubernetes

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Software Engineer - Federal Geospatial (Hub-Remote: DC or Philly Metro)

Alexandria or Philadelphia

$105k-$141k/yr RemoteFull Time

Element 84: Builds cloud-native geospatial software and data processing pipelines.

5+ YOE5+ years software engineering; full-stack Python/JavaScript; Clojure; React; AWS S3/IAM/Lambda; NOAA CAC badge; remote Scrum; BS in technical field.

Python, JavaScript, Clojure, React, AWS, S3, IAM, Lambda, Node.js, MacOS X

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AI Engineer - Agentic AI (Colmar, PA, US, 18915)

Colmar, Pennsylvania, United States

$103k-$153k/yr HybridFull Time

Dorman ProductsNASDAQ: DORM: Provides aftermarket vehicle replacement parts and innovative repair solutions.

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

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Embedded Software Engineer (Hybrid- Aberdeen, Maryland)

Aberdeen Proving Ground or Jersey City or Middletown or Aberdeen Proving Ground

$130k-$165k/yr HybridFull Time

Fairwinds Technologies: Designing and integrating communication systems for defense agencies

8+ YOE8+ years embedded Linux software development; Xilinx UltraScale+; PetaLinux; PCB-based hardware bring-up; C/C++ and scripting; Git/SVN; DoD Secret clearance.

Xilinx UltraScale+, PetaLinux, C/C++, Python, Git, SVN, JTAG, UART, GDB, strace, perf, dmesg

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Principal Scientist, Genomics Analytics Engineer

Stevenage or Upper Providence

HybridFull Time

GSKLondon Stock Exchange: GSK: Develops and manufactures innovative vaccines and specialty medicines.

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

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1mo

Enterprise Software Developer

Baltimore, Maryland, United States

$110k-$130k/yr HybridFull Time

Brown Advisory: Provides investment management and financial advisory services to global clients.

5+ YOEBachelor's degree or related experience; 5+ years in software engineering; Agile; US citizen or permanent resident; hybrid in-office work; cloud, C#, .NET, SQL, JavaScript; AI enablement roadmap.

Azure, Azure managed services, LLM tools, C#/.NET Core, JavaScript SPA frameworks, SQL, ETL tools, AWS, SSIS, Informatica, Boomi, Mulesoft, Glue, Talend, Angular, Salesforce, Snowflake, Workday, Tableau, Qlik, Python

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Junior Agile Developer

Annapolis Junction, Maryland, United States

$129k-$165k/yr OnsiteFull Time

Intelliforce: Provides engineering and technical solutions for the intelligence community.

3+ YOETop Secret clearance with Full Scope Poly, U.S. citizenship, Bachelor's degree or equivalent, 3 years of relevant experience (or Master's plus 1 year), active TS clearance with CI poly within last 5 years.

Java, Spring Boot, Python, AWS, Maven, GitLab, GitOps, Kubernetes, Docker, Ansible, NoSQL, MongoDB, DynamoDB, OAuth, OIDC, Cypress, Cucumber

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Snowflake Developer

Buffalo or Wilmington

$68k-$109k/yr HybridFull Time

CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.

10+ YOE10–12 years in development or data engineering; strong Snowflake expertise (Snowpark Python, Snowflake SQL, Tasks, Streams, Snowpipe); Agile experience; capable of delivering scalable data solutions and collaborating with stakeholders.

Snowflake, Snowpark Python, Snowflake SQL, Snowpipe, Snowflake Tasks, Snowflake Streams

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1mo

2026 Fall Co-Op - Software Engineer (Sea Systems) - Hunt Valley, MD

Hunt Valley, Maryland, United States

$26-$31/hr OnsiteInternship, Full Time

TextronNYSE: TXT: Manufactures aircraft, defense systems, and industrial specialized vehicles.

Pursuing bachelor’s in CS/CE/CIS/MIS; familiar with C/C++, C#, Python, or Java; able to commit ~40 hrs/week in summer; US citizenship for security clearance.

C, C++, C#, Python, Java

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DevOps Engineer

Philadelphia, Pennsylvania, United States

$87k-$136k/yr OnsiteFull Time

Noblis: Provides science and technology solutions for government missions.

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

2mo

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2mo

Software Engineer

Fort Meade, Maryland, United States

$200k-$230k/yr OnsiteFull Time

Markon: Provides consulting and mission support services to federal agencies.

14+ YOETS/SCI with poly; Bachelor's in CS/Engineering; 14 years experience; Linux, C++, Java; scripting; Git; Docker; strong problem-solving and communication.

C++, Java, Shell, Python, JavaScript, Bash, Git, Docker, Linux