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Lead Python Developer Jobs in Middletown, DE, US
120+ lead python developer jobs from 46 companies hiring in Middletown, DE, US.
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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
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Python, Cloud - Lead Software Engineer
Wilmington or Jersey City or Seattle
$152k-$215k/yr OnsiteFull Time
5+ YOE5+ years AI/ software engineering; Python expert; cloud-native; CI/CD; secure coding; AI SDKs; model deployment.
Python, Cloud (GCP/AWS/Azure), CI/CD, Terraform
2mo
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Lead Software Engineer- Python, Java
Columbus or Plano or Wilmington
OnsiteFull Time
5+ YOE5+ years of software engineering; strong Python and/or Java; open source experience; git proficiency; agile/CI-CD; system design; data concepts.
Python, Java, Git, GitHub, CI/CD, Pydantic, Pandas, Numpy, Jupyter
2mo
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Lead Tools Engineer (Build & Infrastructure)
Timonium or United States
$128k-$156k/yr RemoteFull Time
Xsolla: Provides payment and monetization tools for video game developers.
5+ YOELeads design and development of internal tools for game development, build pipelines, and CI/CD; 5+ years in software engineering and tooling, strong C#/Python, Linux, and CI/CD experience.
C#, Python, Bash, Unity, AWS CDK, CloudFormation, Git, Linux
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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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
2mo
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Lead Data Engineer (Bank Tech)
Wilmington, Delaware, United States
$179k-$205k/yr OnsiteFull Time
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
1mo
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Lead Software Engineer
Malvern, Pennsylvania, United States
HybridFull Time
10+ YOE5+ Mgmt10+ years leading omni-channel platforms; BS in Computer Science or related field; strong DevOps, REST, cloud, microservices; proficiency in multiple languages; databases; CI/CD; project tools.
Ruby, Rails, C# .Net, Python, Java, JavaScript, NodeJS, Rust, MongoDB, Postgres, Oracle, SQL Server, DB2, REST, SFTP/FTP, OAuth1, OAuth2, OIDC, TLS, SSH, CI/CD, JIRA, Azure DevOps, AWS, RabbitMQ, Kafka, Redis, Memcached, Hazelcast, Kubernetes, GitOps, Microservices, Cloud
2mo
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Lead AI Research Engineer
Philadelphia or Boston or New York City
$225k-$375k/yr HybridFull Time
10+ YOE3+ Mgmt10+ years AI/ML R&D experience with at least 3 years in a technical lead role; BS in Computer Science/AI/Engineering; strong Python and DL frameworks; proven track record in industrial/enterprise AI.
Python, TensorFlow, PyTorch, Jax
1w
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Software Engineer 3 - Go/Python/Kubernetes/Kafka/Ansible
Annapolis Junction, Maryland, United States
$130k-$270k/yr OnsiteFull Time
20+ YOESenior software engineer with TS/SCI clearance, 20 years SWE experience; BS in CS/CE/EE; Go/Python; Kubernetes, Helm, GitOps, Terraform, Ansible; lead architecture and mentor engineers.
Go, Python, Kubernetes, Helm, GitOps, Kafka, Terraform, Ansible
2mo
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Lead Software Engineer –Hybrid Baltimore, MD
Baltimore or New York City
HybridFull Time
8+ YOELead engineer with 8+ years in OO languages; cloud-native AWS/Azure; strong leadership and mentoring; solid DevOps and CI/CD; ability to translate business needs into technical solutions.
AWS, Azure, Containerization, Java, Python, JavaScript
2w
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Lead Cybersecurity Automation Engineer
Baltimore, Maryland, United States
$95k-$140k/yr OnsiteFull Time
7+ YOE7+ years in developing, implementing, and maintaining automated workflows and playbooks with SOAR; advanced scripting in Python/PowerShell/Bash; SIEM/EDR integration; SOC workflow automation.
SOAR, SIEM, EDR, Python, PowerShell, Bash
1mo
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Lead SIEM Engineer
Wilmington, Delaware, United States
$128k-$214k/yr HybridFull Time
5+ YOELead SIEM Engineer to design, implement, and manage SIEM infrastructure; senior role requiring leadership and strong SIEM expertise.
Splunk, IBM QRadar, Sumo Logic, Securonix, Python, PowerShell
1mo
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Lead Cloud DevOps Platform Engineer
Newark or Marlborough or Santa Clara
$128k-$201k/yr HybridFull Time
6+ YOELead DevOps role with 6+ years in cloud platforms (AWS/Azure/GCP), IAM, VPC, and managed services; strong Kubernetes, IaC, DevEx, security and regulatory compliance experience.
Kubernetes, Terraform, Pulumi, GitHub Actions, Azure DevOps, Jenkins, Ansible, HashiCorp Vault, AWS Secrets Manager, C#, C++, Python, Java
2w
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Lead Data Engineer
Cedar Rapids or Denver or Philadelphia
$107k-$135k/yr HybridFull Time
5+ YOELead data engineer role with 5+ years in data engineering, cloud/on-prem infrastructure, and BI; strong SQL, programming, and analytics skills.
Python, Java, SQL, Snowflake, AWS, Scala, Node.js
1mo
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Lead Software Engineer (Site Reliability)
Malvern, Pennsylvania, United States
HybridFull Time
Experience in distributed systems, cloud (AWS), Java/JavaScript, OpenTelemetry, microservices, observability, and incident response.
Java, JavaScript, Python, OpenTelemetry, AWS, Microservices, Observability
2mo
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Lead Software Engineer –Hybrid NYC
New York City or Baltimore
HybridFull Time
8+ YOE8+ years in object-oriented languages; cloud-native solutions on AWS/Azure; leadership of engineering teams; strong communication; CI/CD and automated testing; focus on AI/ML platforms.
Java, Python, JavaScript, AWS, Azure, Docker, Kubernetes, CI/CD, AI frameworks
1mo
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Lead Data Engineer, Imagery Models
Hartford or Alpharetta or Richardson or Blue Bell or St. Paul or Hunt Valley
$161k-$266k/yr HybridFull Time
15+ YOEBachelor's in STEM; 15+ years data engineering; 4+ yrs AWS/Python; 3+ yrs Databricks; 2+ yrs imagery pipelines; strong leadership and communication.
AWS, Python, Databricks, APIs
1mo
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Lead Electrical Engineer 1 - Nuclear
Wilmington, Delaware, United States
$117k-$180k/yr OnsiteFull Time
10+ YOE3+ MgmtBS in electrical engineering; 10+ years in power plant electrical design; 3+ years leading design groups; experience with electrical systems; client liaison; PE licensure preferred; ability to be badged for unescorted nuclear access.
MS Office, Python, MATLAB, Excel
6d
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Lead EHV Engineer 2 - Grid
Wilmington, Delaware, United States
$132k-$205k/yr HybridFull Time
10+ YOEBSEE with power systems focus; 10+ years protection/control/telecom for HV substations; 3+ years 500kV/765kV design; strong reporting, coordination, and MS Office skills; ability to lead projects; not sponsoring work authorization.
AutoCAD, MicroStation, Bentley Substation, BlueBeam, Python, MATLAB, Excel, SDS design software
3mo
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Lead Systems Engineer - Underwriting (Remote)
Baltimore, Maryland, United States
$113k-$225k/yr RemoteFull Time
8+ YOE8 years of software systems experience; Bachelor's in IT/CS or 4 additional years of relevant work experience; ITIL Foundations v3; experience with underwriting rating systems; strong data analysis, testing, and SDLC/Agile knowledge.
JavaScript, XML, .NET Framework, Python, Power BI, SQL, Oracle, MongoDB, MySQL, VBA, MS Access
1mo
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Mechanical Engineer Lead - Loads & Dynamics
King of Prussia, Pennsylvania, United States
OnsiteFull Time
3+ YOE3+ years in loads and dynamics analysis and testing; aerospace/spacecraft experience; FEA/CFD; experience with Abaqus, NX/Nastran, ADAMS, Wave6, MATLAB, Python; active secret clearance.
Abaqus, NX/Nastran, ADAMS, Wave6, MATLAB, Python, FEA, CFD
3w
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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
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Lead Machine Learning / Data Science Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
7+ YOE7+ years ML/data engineering on cloud, leadership, Python/Scala, SQL/Spark, ML/AI, devops, and enterprise data platforms.
Python, Scala, SQL, Spark, NoSQL, Docker, Snowflake, Databricks, Azure SQL, Amazon RDS, GCP, Kubernetes, LangChain, n8n, pydantic, Mistral, GPT, RAG, LLMs
2mo
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Senior CNO Software Engineer
Hanover, Maryland, United States
OnsiteFull Time
14+ YOESenior CNO Software Engineer with 14+ years of technical experience (BS) or 18+ years (HS); proficient in Python or C/C++; strong debugging, low-level internals, and networking; lead CNO solution development; TS/SCI with Polyhedron clearance required.
Python, C, C++, Assembly, JIRA, Confluence, Crucible
3w
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Vice President, Full Stack Engineer
Berwyn, Pennsylvania, United States
OnsiteFull Time
5+ YOELead design of server-side architecture; 5-9 years backend experience; finance industry; Java/Python/Node.js; Oracle databases.
Java, Python, Node.js, Oracle Database
1w
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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
2mo
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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
2mo
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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
1mo
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Software Engineering Lead
Camden or Conshohocken
$140k-$160k/yr HybridFull Time
10+ YOE5+ Mgmt10+ years in software engineering; 5+ years in architectural roles; Python proficiency; REST APIs and event-driven design; Azure-native tech; CI/CD; strong multiple language and DB skills.
Python, REST APIs, Azure, Snowflake, CI/CD, Docker, Kubernetes
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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 professional experience building production web apps; 2+ years in senior/lead roles; strong Python and React/TypeScript; AI/ML integration; Kafka/event-driven architectures; PostgreSQL/Redis; Kubernetes/DevOps; AS400 integration experience preferred
Python, FastAPI, SQLAlchemy, Pydantic, React, TypeScript, Tailwind, Redis, PostgreSQL, Kafka, Databricks, MLflow, Airflow, Docker, Kubernetes, GitHub Actions, ODBC, Data Queues, RBAC, OAuth
2mo
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Staff AI/ML Engineer (Large Language Model) (TS/SCI) {S}
King of Prussia, Pennsylvania, United States
OnsiteFull Time
8+ YOELead multidisciplinary AI/ML efforts; 8+ years in software/data roles with LLM experience; TS/SCI clearance; strong Python and ML libraries; experience with LLM deployment and RAG.
Python, NumPy, Pandas, Polars, scikit-learn, Git, GitLab, Bitbucket, Weaviate, Pinecone, pgvector, LangChain, DSPy, Microsoft Agent Framework, AWS, llama.cpp, vllm, tgi, ReAct
2w
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Lead Analyst, Collections Analytics
Wilmington, Delaware, United States
HybridFull Time
4+ YOEBachelor’s or Master’s in a quantitative field; 4+ years in analytics or software development in financial services; Python and SQL proficiency; Power BI; experience with large datasets and governance; Git familiarity.
Python, SQL, Power BI, Git, Object-Oriented Programming
1mo
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Software Systems Engineer Senior
Aberdeen, Maryland, United States
$116k-$262k/yr OnsiteFull Time
10+ YOESenior software systems engineer with 10+ years in the software lifecycle, TS/SCI clearance, leading contractor teams, RF architectures, EW/SIGINT, and MOSA; Bachelor's in CS or Software Engineering.
Java, Python, C++, MOSA, AWS, Azure, containerization, microservices, CI/CD, Scrum, Kanban, APIs, Databases, Cybersecurity
1mo
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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
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Senior Software Engineer, AI Enterprise Engineering (Philadelphia, PA, US)
Philadelphia, Pennsylvania, United States
RemoteFull Time
8+ YOE2+ Mgmt8+ years software development; BS/MS in CS/Engineering; 2+ years in tech leadership; experience leading hybrid teams; cloud platforms (Azure/AWS/GCP); vendor management; proven distributed systems
Python, Java, C#, Azure, AWS, GCP
1mo
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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
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Senior Computer Vision AI/ML Engineer (TS/SCI) {S}
King of Prussia, Pennsylvania, United States
OnsiteFull Time
5+ YOESenior CV/AI-ML engineer with TS/SCI clearance, 5+ years experience, leading researchers and developers, expert in Python ML frameworks, remote sensing/ATR, cloud deployment.
Python, PyTorch, TensorFlow, Keras, scikit-learn, scikit-image, OpenCV, AWS
22h
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Solutions Engineer
Philadelphia, Pennsylvania, United States
$105k-$145k/yr OnsiteFull Time
Provide pre-sales engineering support, design technical solutions, lead demos, and collaborate with sales; strong IT knowledge and on-site work required.
TCP/IP, TLS, DNS, DHCP, NAT, VLANs, L2 devices, Linux, APIs, Python
1w
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Lead, Technology Product Management – AI, Data & Insights
Titusville, New Jersey, United States
$109k-$175k/yr HybridFull Time
3+ YOE2+ Mgmt3+ years in data/insights product development; proven LLM/GenAI deployments; strong Python, cloud, and data engineering skills; leadership of cross-functional teams; excellent communication.
Python, LangChain, SageMaker, AWS, Azure, OpenAI, Cloud, Data Engineering, LLMs
HiringCafe market data
Lead 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
120+
Hiring companies
46
Fresh sample
36% new in 30d
Salary visibility
62% show pay
Companies appearing in this market
JPMorgan ChaseSargent & LundyARKA GroupT. Rowe PriceCapital OneVanguardAVEVABest Egg
Work location mix in visible results
Onsite: 33Hybrid: 22Remote: 6