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Python Developer Jobs in Halfway, MD, US
400+ python developer jobs from 140+ companies hiring in Halfway, MD, US.
1mo
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Senior Software Engineer, Platform
Chantilly or Herndon or Washington
HybridFull Time
Strong Python, microservices, gRPC, PostgreSQL/DuckDB, Docker/Kubernetes, message brokers, and AWS experience.
Python, gRPC, Protocol Buffers, PostgreSQL, DuckDB, RabbitMQ, Docker, Kubernetes, AWS, HTTP API, Event-driven architectures
1mo
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Software Engineer (Salesforce)
Sterling, Virginia, United States
OnsiteFull Time
5+ YOE5+ years Salesforce development, full-stack, AWS DevOps, Kubernetes, CI/CD, GitHub, Health Cloud; TS/SCI with poly required.
Salesforce, Apex, Visualforce, JavaScript, Python, Java, AWS, Kubernetes, GitHub, CI/CD, Serverless, Health Cloud
3w
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Principal CNO Engineer
Herndon, Virginia, United States
OnsiteFull Time
6+ YOETS/SCI clearance; Bachelor’s in CS/CE or 4 years equivalent; 6-10+ years software dev; expert in C/C++, Python; Assembly or Go preferred; OS internals; Docker/Podman; large-scale integration.
Docker, Podman, Ghidra, IDA, Binary Ninja, C, C++, Python, Go, Assembly, Linux, Windows, CI/CD, Git, Kernel/User-mode
2w
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AI Engineer - AI+CryoET
Ashburn, Virginia, United States
OnsiteFull Time
3+ YOEExperience building AI/ML models for 3D imaging, especially cryoET or similar volumetric data; strong Python, PyTorch/JAX skills; collaboration across multidisciplinary teams.
Python, PyTorch, JAX, OpenMM
2w
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Staff Software Engineer
Waltham or North Bethesda
$160k-$180k/yr HybridFull Time
5+ YOE5+ years in software/ML roles; Bachelor’s in CS or related field; strong cloud, IaC, Python; AWS experience; AI/ML infrastructure knowledge.
Terraform, Python, AWS, SageMaker, Kubernetes, Docker, IAM, Lambda, CloudWatch, ECR, EKS, Kinesis
1mo
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Software Engineer SME
Herndon, Virginia, United States
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
10+ YOE10+ years backend software/platform experience; strong Java, Ansible/Python, Postgres/MySQL/MariaDB, Linux, AWS; microservices and RESTful APIs; cloud deployment; containerization; Git workflows; TS/SCI with Poly clearance required; BSCS or equivalent.
Java, Ansible, Python, PostgreSQL, MySQL, MariaDB, Linux, AWS, Git, GitLab, GitHub
2mo
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Application Developer I
Rockville, Maryland, United States
$65k-$82k/yr OnsiteFull Time
2+ YOEBachelor's in related field or equivalent experience; 2+ years in application/software development; strong coding skills; experience with Google Suite, MS Office, Mac OS and Windows; prior grocery retail exposure; detail-oriented with good communication; able to manage changing priorities.
Java, JavaScript, HTML, CSS, SQL, Python, Machine Learning frameworks, Prompt engineering, Google Workspace, Microsoft Office, Mac OS, Windows OS
1w
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SharePoint Developer, Mid
Reston or Charlottesville
$87k-$198k/yr OnsiteFull Time
3+ YOE3+ years in SharePoint development and architecture; 3+ years in building out-of-the-box SharePoint solutions;Experience with web development (Java, Python, JavaScript, HTML, CSS); data visualization with Tableau/Power BI; TS/SCI with polygraph; HS diploma with 7+ years development or Bachelor’s with 3+ years development.
SharePoint, Java, Python, JavaScript, HTML, CSS, Tableau, Power BI
6d
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Backend Software Engineer
Gaithersburg or Alexandria or Chantilly or St. Louis or Tucson
OnsiteFull Time
8+ YOEUS citizen; TS/SCI with poly; BS in CS/SE with 8–12 yrs (MS with 6–10); Java or Python; REST APIs; SQL; Linux; ability to work independently.
Java, Python, REST, SQL, Linux, Apache Airflow, Spring Boot, Django, GitLab, Jenkins, Docker, OpenShift, AWS, Azure, Agile
6d
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Senior Software Engineer - APIs
Ashburn, Virginia, United States
$120k-$145k/yr RemoteFull Time
5+ YOE5+ years Java 8+ with Spring; AWS; SQL; Snowflake; Scala/Python; web services; GA/DG experience; English fluency.
Java, Spring Framework, AWS, SQL, Snowflake, Scala, Python, JSON, GeoJSON, Git, Unit testing, Docker, Kubernetes
1d
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CUAS SW Engineer
United States or Summit Point
$88k-$155k/yr RemoteFull Time
5+ YOE5+ years' software engineering experience; Bachelor's in CS/engineering/math or related field or equivalent; active Secret clearance; Java; APIs; AI/ML; Python/C++; Docker; Git; Agile tooling.
Java, APIs, Ansible, Docker, React, Git, CMake, Confluence, JIRA, Python, C++, AI/ML
6d
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Senior QA Automation Engineer
Bethesda or Rockville
$120k-$130k/yr HybridFull Time
5+ YOE5+ years QA automation, Playwright, React/.NET, PowerApps, Python, GitHub/Jira/AWS, public trust clearance.
Playwright, React, .NET, PowerApps, Python, GitHub, Jira, AWS, Entra (Azure AD)
2w
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Staff Software Developer (TS/SCI)
Herndon, Virginia, United States
$92k-$195k/yr OnsiteFull Time
5+ YOEUS citizen with TS/SCI clearance and CI poly; BS in CS/Software Eng; 5+ years backend software dev; Java/Python/JS; REST APIs with Spring Boot; Docker/Kubernetes/OpenShift; Jenkins/Git/Helm; Linux scripting; on-site in Herndon, VA.
Java, Python, JavaScript, Spring Boot, Docker, Kubernetes, OpenShift, Rancher, Jenkins, Git, Bitbucket, Gradle, Bash, Shell, OpenSearch, Elasticsearch, Keycloak, Fluent Bit, Cesium, PostgreSQL
1mo
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Platform Engineer (Hybrid) - 27786 (Columbia, MD, Maryland, United States)
Columbia or San Antonio
$115k-$145k/yr HybridFull Time
3+ YOECloud platform engineer with AWS, Python/Go, Linux; Kubernetes, IaC, hybrid work.
AWS, Kubernetes, Docker, Podman, Helm, Kustomize, Flux CD, Terraform, Python, Go, Linux, Shell
2w
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AI/ML Engineer
McLean, Virginia, United States
$113k-$188k/yr OnsiteFull Time
8+ YOEBachelor's in CS or related field; 8+ years with BA, 7 with MS, 6 with PhD; TS/SCI with polygraph; US citizenship; onsite full-time; AI/ML with RAG or retrieval-based workflows; Python and AI libraries; REST APIs; LLMs integration.
Python, REST, Docker, LLMs, PostgreSQL, Vector databases, AWS
3mo
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Software Developer
Washington or Winchester
OnsiteFull Time
2+ YOETwo years relevant experience; Bachelor's degree preferred; Top Secret clearance; CI polygraph may be required; experience with secure software systems.
Python, MS SQL, APIs, Blue Prism, RPA
2w
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Junior Palantir / Maven Product Engineer
Herndon, Virginia, United States
OnsiteFull Time
3+ YOEBachelor’s degree in CS/Engineering/Data Science or related field; 1–3 years software/data engineering; Python/Java/Go/TypeScript; cloud infra AWS/Azure/Kubernetes; secure environments; Secret clearance; TS/SCI eligibility.
Python, Java, Go, TypeScript, AWS, Azure, Kubernetes
1mo
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Senior Data Engineer
Chantilly or Herndon
OnsiteFull Time
15+ YOE15+ years software development; full lifecycle agile; data products with Avro/Parquet; Python; AWS; REST APIs.
Python, AWS, REST APIs, Apache Avro, Parquet, Kubernetes, Airflow, Artificial Intelligence (AI), Rust, Apache Spark, Presto/Trino, Iceberg
4d
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Embedded Software Engineer IV
Germantown, Maryland, United States
$91k-$130k/yr HybridFull Time
5+ YOEBachelor’s degree in computer engineering, Electrical Engineering, Software Engineering, Computer Science, or related field with 5+ years of related experience; experience with C/C++, Bash/Python, Linux/RTOS; knowledge of safety-critical software and rail standards; strong communication and teamwork.
C, C++, Bash, Python, Linux, RTOS, QNX, FreeRTOS
2mo
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AI/ML Engineer Manager
Chantilly or Herndon
OnsiteFull Time
8+ YOE3+ Mgmt8+ years in data science/ML with 3+ in leadership; strong ML model development & deployment, MLOps; TS/SCI clearance.
TensorFlow, PyTorch, scikit-learn, MLflow, Kubeflow, AWS SageMaker, Azure ML, Docker, Kubernetes, Python
2w
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Platform Innovation Engineer (Rockville, MD, US, 20850)
Rockville, Maryland, United States
$54k-$70k/yr OnsiteFull Time
Bachelor's in CS/Engineering/Data or related; SQL/Python/cloud/tools experience; interest in AI-enabled systems; eager to experiment; strong communication.
Snowflake, Azure, Matillion, Power Platform, Power BI, Python, SQL, AI tooling
2w
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Dev/ MLOps Engineer I (Full Stack)
Rockville, Maryland, United States
$95k-$120k/yr HybridFull Time
0+ YOE0–3 years of software engineering/DevOps/MLOps experience; strong Python, Bash, SQL; CI/CD and cloud familiarity.
Python, Shell scripting, SQL, GitHub Actions, Jenkins, Docker, Kubernetes, Terraform, CloudFormation, AWS, Azure, GCP, NoSQL, Grafana, Prometheus, CloudWatch, JavaScript, TypeScript, API development, IoT, Distributed systems
6d
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Lead Software Engineer-Embedded Computing Software-Onsite
Ashburn, Virginia, United States
$109k-$145k/yr OnsiteFull Time
8+ YOESenior software engineer with embedded systems experience, DoD security, Linux, C/C++, and embedded software development.
C, C++, Linux, VxWorks, Python, LabVIEW, Git, JIRA, Confluence, DOORS, Yocto, Petalinux, GCC
3w
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Software Developer, Expert
Herndon, Virginia, United States
$150k-$254k/yr OnsiteFull Time
11+ YOE11+ years software development; BS in CS/Info Security or related field; proficiency in .NET/C#, WPF/XAML, C++, ASP.NET MVC, HTML/CSS, Python, PowerShell; cloud: AWS/Azure; tools: GitHub, Jira, Jenkins, Confluence; secure software engineering; SDLC
NET, C#, WPF/XAML, C++, ASP.NET MVC Web API, HTML, CSS, Python, PowerShell, IIS, AWS, Azure, GitHub, Jira, Jenkins, Confluence, STS, DataHound, PowerBI
1mo
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Senior Software Automation Testing Engineer
Ashburn, Virginia, United States
$85k-$100k/yr HybridFull Time
5+ YOE5+ years in software testing; strong Python 3.8+; web frameworks (FastAPI, Django, Flask); REST API testing; AWS; automation; SQL; Git/Jenkins/Harness; Locust.
Python, FastAPI, Django, Flask, pytest, unittest, Locust, Gitlab, Harness, Jenkins, Oracle, Postgres, SQL, AWS
1mo
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Software Engineer
Chantilly or St. Louis or Gaithersburg or Denver
OnsiteFull Time
6+ YOESenior software engineer with 6+ years of experience; strong full-stack skills; cloud experience; DevSecOps focus; security clearance.
Python, Java, JavaScript, HTML, CSS, REST APIs, React, Angular, Vue.js, Node.js, Django, Flask, Docker, Kubernetes, AWS GovCloud, C2S, Azure, MySQL, PostgreSQL, SQL Server, Git, Jenkins, SonarQube, Nexus, Terraform, Keycloak, Vault, ArcGIS, OpenSearch, Elasticsearch
23h
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Software Developer in Test (SDET)
Ashburn, Virginia, United States
RemoteFull Time
10+ YOEStrong programming in C#, Java, or Python; experience in software testing; familiar with SDLC/Agile; US citizenship and Public Trust clearance; remote work.
Selenium, TestNG, JUnit, QTP, LoadRunner, GitHub Actions, JIRA, SQL, JMeter, Gatling
1w
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Senior Engineer-5
Bethesda, Maryland, United States
$105k-$215k/yr HybridFull Time
4+ YOE4+ years software development; strong experience with C#, Java, TypeScript, JavaScript, Python, or Golang; microservices architecture; cloud (AWS, GCP, Azure); DevOps; security; CI/CD; containers (Docker, Kubernetes).
Python, C#, TypeScript, JavaScript, Java, Golang, Docker, Kubernetes, Terraform, Azure, AWS, GCP
2mo
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DevOps Developer
Herndon, Virginia, United States
$127k-$190k/yr OnsiteFull Time
5+ YOETS/SCI with Polygraph, US citizenship, Windows/Linux administration, AD/DNS/DHCP, automation, scripting (Python/PowerShell), cloud/virtualization familiarity.
Python, PowerShell, Bash, Terraform, Ansible, Jenkins, AWS, Azure, GCP, VMware, Hyper-V, Nutanix AHV
3w
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Windows CNO Developer (BZ)
Dulles, Virginia, United States
OnsiteFull Time
7+ YOE7-10+ years in low-level or systems programming; TS/SCI clearance; strong C/C++, Windows kernel experience; reverse engineering and tooling proficiency.
IDA Pro, Ghidra, WinDbg, x64dbg, C/C++, Python, Visual Studio, CMake, Git
3w
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Intern- Software Engineer
Herndon, Virginia, United States
$25/hr HybridInternship
0+ YOEPursuing a Bachelor's degree in Computer Science or Engineering; strong programming skills; knowledge of databases; AI/ML fundamentals; good communication; eager to learn.
Java, Python, JavaScript, C#, SQL, NoSQL, HTML, CSS, GitHub Copilot, ChatGPT, Claude
1mo
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Missionforce - Associate Forward Deployed Engineer (FDE), Public Sector
Washington or Herndon
$96k-$177k/yr HybridFull Time
3+ YOE3-7 years software engineering or systems integration; CS background; proficiency in JavaScript/Java/Python/Apex; hands-on delivery of production solutions; AI/LLM experience; data integration/APIs; secure environment experience; travel 25-50%; US citizenship with security clearance.
JavaScript, Java, Python, Apex, Salesforce Platform, Data Cloud, LLMs, AI/ML
1w
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Software Engineer Security & Automation II (Full Time) – United States
San Jose or Austin or Milpitas or Alpharetta or Maynard or Fulton or New York or Boston or Knoxville or Dallas or Atlanta or Hillsboro
HybridFull Time
0+ YOEPython or scripting, security principles, DevSecOps, cloud security, automation, CI/CD, security tools; degree/certifications with relevant experience.
Python, Bash, Jenkins, GitHub Actions, Docker, Kubernetes, pytest
1mo
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Actuarial Developer
Frederick, Maryland, United States
$108k-$148k/yr RemoteFull Time
5+ YOE5+ years actuarial experience in life insurance/valuation; data/tech skills; Python/R/Spark; SQL/NoSQL; cloud (AWS/Azure); BS/BA in related field; SOA associate certification.
Azure, Databricks, Git, SQL, NoSQL, Python, R, Spark
1mo
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Software Developer (Automation & Distributed Integration Systems)
Ashburn, Virginia, United States
$115k-$117k/yr HybridFull Time
5+ YOE5+ years software testing and test automation; strong C#/.NET Core; experience with backend services, APIs, distributed systems; CI/CD; test frameworks.
C#, NET Core, PowerShell, Python, HTTP/REST, TCP/IP, Sockets, xUnit, NUnit, MSTest, Git, CI/CD, Postman, Newman, RestAssured, Docker
3mo
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Elastic Engineer
Dulles, Virginia, United States
$120k-$135k/yr HybridFull Time
8+ YOE8+ years software development; 2+ years Elastic Cloud on Kubernetes (ECK) admin; 2+ years Elasticsearch DSL; 5+ years Kubernetes; strong ELK stack knowledge; scripting in Python, Bash, JavaScript; U.S. citizenship; active clearance (TS/SCI eligible); DHS suitability; Bachelor's in Software Engineering or Computer Science.
ELK Stack, Elasticsearch, Kibana, Logstash, Beats, Elastic Cloud on Kubernetes, Kubernetes, Python, Groovy, Bash, JavaScript
4w
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Senior Application Developer (Java/Angular)
Ashburn, Virginia, United States
HybridFull Time
7+ YOEBachelor’s degree and 7+ years in Java applications with Spring, Agile, Jira; Oracle/PostgreSQL; unit tests; strong communication; hybrid Ashburn onsite.
Java, Angular, Spring, Spring Boot, AWS, Jira, Git, Bamboo, Jenkins, SonarQube, Docker, Kubernetes, Hibernate, MyBatis, JMS, Python, Kafka, Linux
2w
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Full-Stack Developer Intern
Gaithersburg, Maryland, United States
OnsiteInternship
0+ YOECurrently enrolled in a Bachelor's or Master's program in CS/Software Engineering or related field; GPA 3.2+, proficiency in JavaScript/TypeScript, front-end framework (React/Angular/Vue), RESTful APIs, relational DB, Git; strong problem-solving and communication.
JavaScript, TypeScript, React, Angular, Vue, Node.js, Python, Java, SQL, Git, Docker, Kubernetes, AWS, Azure, Google Cloud, GraphQL, REST
1w
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Principal Software Engineer
Herndon, Virginia, United States
$139k-$185k/yr RemoteFull Time
5+ YOELead design and build of a high-performance pricing engine; expert in distributed systems and modern languages.
C/C++, Rust, Go, Python, Linux, Distributed systems, APIs, Zero-copy, Lock-free data structures
1mo
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Junior Software Engineer
Ashburn, Virginia, United States
OnsiteFull Time
3+ YOEBachelor’s degree required; 3+ years experience; CBP suitability eligibility; databases, web apps, and interfaces; strong communication.
Python, SQL, Java
HiringCafe market data
Python Developer Jobs market signals in Halfway, MD, 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
59% new in 30d
Salary visibility
56% show pay
Companies appearing in this market
BAE SystemsBespoke TechnologiesBooz Allen HamiltonSyms Strategic GroupVantorWabtecClarity InnovationsHoward Hughes Medical Institute
Work location mix in visible results
Onsite: 46Hybrid: 24Remote: 10