68 backend developer python fastapi opportunities in Mclean updated today
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Booz Allen HamiltonRequirements Must have: - Over 2 years of experience in back-end website development utilizing frameworks like Django, Spring Boot, Laravel, or Next.js - At least 1 year of experience with cloud services like AWS, Azure, or Google Cloud - Familiarity with Jenkins or GitHub Actions - Basic skills in
Full-time Description Take the next steps to your professional success as Solerity is a recognized leader in providing Information Technology, Engineering Services, Program Management and Consulting Services to the U.S Federal Government and our Intel Community. We enable our clients to achieve thei
Join *Revive Media** to help advertisers across the country scale their localized ads. Our business is in the midst of transforming from a services agency to a product-led business with our new native platform. This new platform is currently used internally and will need support to drive adoption ac
Wimmer SolutionsBackend Developer This role is an opportunity to help redefine application security through automation and generative AI. By combining advanced AI-driven vulnerability discovery with automated remediation, the team is working to make real-time security defense a reality. As a Generative AI / Backend
Join Revive Media to help advertisers across the country scale their localized ads. Our business is in the midst of transforming from a services agency to a product-led business with our new native platform. This new platform is currently used internally and will need support to drive adoption acros
ByteBridge Technologies, IncClient: Freddie Mac Duration: 6 Months Contract with possible extension Title: Senior Software Developer (Python – Backend) 1121/1122 Location: McLean, VA (5 days - Onsite) Must Have Qualifications: 7 years of backend development- Python required. Strong database skills-SQL Server or DB2, data extra
***AWARD PENDING*** The JCO Development and Sustainment contract will provide rapid capability development and operational readiness leveraging industry best-practices and innovative solutions to ensure Joint Cyber Command and Control (JCC2) meets operational requirements and matures existing govern
A mission-focused technology solutions provider is seeking a Software Engineer Level 5 in Washington, D.C. to enhance complex software systems. Candidates should have a strong backend development background, specializing in data engineering and API development. Proficiency in languages like Python a
A leading technology firm in Virginia seeks a Software Engineer Level 4 to develop and enhance software systems in mission-focused environments. This role focuses on backend development, API creation, and managing PostgreSQL databases. The ideal candidate has extensive experience with Python and Fas
A technology solutions provider is seeking a Software Engineer Level 4 to develop and maintain diverse software systems. This role will focus on backend development using Python and FastAPI, along with managing PostgreSQL databases and high-performance API integrations. Candidates must have experien
A consulting firm based in Chantilly, VA, is seeking mid-senior level Python Developers to join their data science and software engineering team. The role involves developing microservices using FastAPI and deploying them in AWS environments. Applicants need to have a current TS/SCI security clearan
Ven Soft LLCPosition: Python Backend Developer with AWS Duration: Long term contract Note: Ex–Capital One candidates preferred, especially those able to work at client locations. Role Overview Capital One is seeking a skilled Backend Developer with strong Data Engineering expertise to design, build, and maintai
A leading consulting firm in Chantilly, VA, is seeking mid-senior level Python Developers to join a data science and software engineering team. The ideal candidates will have extensive experience in Python, specifically with FastAPI, and a solid understanding of AWS cloud infrastructure. Current TS/
Overview BigBear.ai is seeking a Mid-Level Back End Developer to build, enhance, and support backend systems and APIs. This role involves independently contributing to development tasks while also partnering closely with product and DevOps teams. What You Will Do Develop, improve, and maintain scala
Overview We\'re looking for a Software Engineer who is passionate about building modern, scalable solutions for ingesting and transforming data. This role blends back-end engineering with data pipeline development and is perfect for someone who enjoys designing modular services and bringing structur
Description & Requirements Maximus is a trusted federal partner supporting mission‑critical programs across national security, defense, and public service delivery. Recent contract awards in cybersecurity and operational readiness underscore Maximus’ role as a reliable prime for high‑impact governme
VTGOverview VTG is seeking a talented and experienced Back-End Software Developer to join our dynamic and innovative team in Chantilly, VA or Herndon, VA. As a Back-End Software Developer, you will play a key role in designing, developing, and maintaining high-quality software applications. You will wo
VTGOverview VTG is seeking a talented and experienced Back-End Software Developer to join our dynamic and innovative team in Chantilly, VA or Herndon, VA. As a Back-End Software Developer, you will play a key role in designing, developing, and maintaining high-quality software applications. You will wo
A leading IT consulting firm is seeking a Senior Full Stack Developer (Backend) in Reston, VA. You will design and build backend platforms while integrating emerging technologies in a hybrid work environment. The ideal candidate has 7+ years of experience in backend development with a strong focus o
Location: Chantilly, VA (fully on-site, no remote option) ***MUST HAVE A POLY CLEARANCE TO APPLY. Those without a Poly clearance will not be considered.*** Required Skills Demonstrated hand on experience with backend frameworks such as Spring Boot and Hibernate Strong understanding of data modeling
A tech company specializing in AI development is looking for a senior Python developer located in Reston, VA. The ideal candidate must have over 10 years of hands-on experience with Python, a strong portfolio, and expertise in AWS services, including ECS and Lambda. A bachelor's degree in Computer S
YochanaJob Summary This position entails leading technical projects in the areas of SQL, data analysis, and Python. The Senior Technical Lead will be responsible for overseeing the development and implementation of technical solutions that leverage SQL databases, perform data analysis, and utilize Python p
Overview Location: Reston, VA Interview Mode: In-person Note: ONLY USC, GC, H4 EAD Job Requirements Core Skills (Mandatory): Minimum 10+ years of hands-on Python development experience A strong, demonstrable portfolio can be considered in place of years of experience Ability to clearly explain compl
Location: Chantilly, Virginia Type: Contract Job #3456 Python Developer: w orks as part of a team to implement functionality as part of multiple efforts to build data processing applications while taking ownership of architectural design components, technical implementations, and the software develo
Set of X is led by industry veterans who see government contracting as a good community with plenty of opportunity to go around. With a shared desire to give back, grow the community, and do great work, the Set of X team is building an elite group of engineers with a strong sense of shared responsib
Senior Python Developer | Hybrid | $131,300.00 - $237,350.00 This employer is a leading technology and solutions provider known for its innovation and commitment to national security. They are seeking a skilled Senior Python Developer to join their dynamic team, working on cutting-edge IoT security
Job Title: Python developer Location: Washington DC (4 Days/Week) Type: Contact Position Candidates : Job Description: min 10+ yrs exp Very Strong Python developers who can build resilient and performant applications. Experience working with Agentic frameworks ( Google ADK/LangChain etc.) Experience
Design, develop, and maintain robust, scalable applications using Python and modern frameworks Architect and implement microservices-based solutions with RESTful APIs following best practices and system design principles Integrate GenAI/LLM capabilities into enterprise applications to deliver innova
Cornerstone DefenseLocation: Herndon, Virginia Type: Contract Job #3707 Title: Python Developer Location: Herndon, VA Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our em
$85,000 – $135,000/year
Estimation confidence: High
Estimate based on market data for Mclean. Actual salaries may vary depending on experience, company, and area.
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