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Python Flask Developer Jobs in Virginia (NOW HIRING)

NT Concepts

Python Developer

Herndon, VA · On-site

$51.75 - $71.25/hr

We are seeking a Software Developer to join our team. Working at NT Concepts means that you are ... Experience designing and implementing RESTful APIs using Python frameworks (FastAPI, Flask, Django)

CGI Inc.

Senior Full Stack Python Developer

Reston, VA · On-site

Senior Full Stack Python Developer Category: Software Development/ Engineering Main location ... Advanced proficiency in Python and frameworks like FastAPI or Flask . Experience developing full ...

Interon IT Solutions

AI/ML Engineer

Reston, VA · On-site

AI/ML Engineer (Python, AWS, GenAI) Location: Reston, VA (In-person interviews required) Candidate ... Develop scalable, high-performance Python microservices using FastAPI/Flask for data pipelines ...

SourceFly LLC

Systems Engineer

Fort Belvoir, VA · On-site

Experience with Python; Flask experience a plus * Skilled in embedded systems programming (microcontrollers; FPGA experience a plus, experience interfacing with laboratory measurement equipment is a ...

Tech Tammina LLC

AI/ML Engineer

Reston, VA · On-site

AI/ML Engineer Location: Reston VA Core Responsibilities (AI/ML, Python, AWS, GenAI) Design and ... Develop high‑performance Python microservices (FastAPI/Flask) enabling scalable data pipelines ...

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How much do python flask developer jobs pay per hour?

As of May 30, 2026, the average hourly pay for python flask developer in Virginia is $58.12, according to ZipRecruiter salary data. Most workers in this role earn between $47.88 and $66.01 per hour, depending on experience, location, and employer.

What is a Python Flask Developer job?

A Python Flask Developer is responsible for building web applications using the Flask framework in Python. They develop server-side logic, integrate databases, design APIs, and ensure application security and performance. Their role often includes working with front-end developers, handling deployments, and optimizing application functionality.

What are the key skills and qualifications needed to thrive in the Python Flask Developer position, and why are they important?

To succeed as a Python Flask Developer, you need strong proficiency in Python programming, a deep understanding of the Flask web framework, and experience developing RESTful APIs. Familiarity with version control systems like Git, databases such as PostgreSQL or MySQL, and deployment tools like Docker is typically required, and certifications in Python or web development can be advantageous. Excellent problem-solving skills, teamwork, and effective communication distinguish top performers in collaborative development environments. These capabilities ensure reliable, scalable web applications and seamless integration with multidisciplinary teams.

What are the typical daily responsibilities of a Python Flask Developer?

As a Python Flask Developer, your daily tasks often include designing and coding backend web application features, building and maintaining APIs, optimizing database queries, and writing unit tests to ensure robust functionality. You’ll regularly participate in code reviews, collaborate with front-end developers and UI/UX designers to deliver cohesive solutions, and troubleshoot issues as they arise. Additionally, keeping documentation up to date and participating in team stand-ups or Agile sprints are common parts of the workflow. This role is dynamic and requires a balance of independent coding and collaborative teamwork to achieve project goals efficiently.
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Python Flask Developer jobs near you
Infographic showing various Python Flask Developer job openings in Virginia as of May 2026, with employment types broken down into 74% Full Time, 18% Part Time, and 8% Contract. Highlights an 95% Physical, and 5% Hybrid job distribution, with an average salary of $120,887 per year, or $58.1 per hour.
Python Developer

Python Developer

NT Concepts

Herndon, VA • On-site

$51.75 - $71.25/hr

Full-time

Posted 8 days ago

Job description

NTC OVERVIEW: We are seeking a Software Developer to join our team. Working at NT Concepts means that you are part of an innovative, agile company dedicated to solving the most critical challenges in National Security. We're looking for the best and the brightest to join us in supporting this mission. If meaningful work, initiative, creativity, and continuous self-improvement are important to your career, join our growing team and discover What's Next for you.
Mission Focus: As a Software Developer you will have the unique opportunity to solve hard problems and help turn complex concepts into reality to advance and enhance systems supporting the defense of our nation. You will be part of a solutions-oriented, cross-functional modern agile team designing and developing custom applications and components to support innovative data science capabilities.
Our delivery teams are driven to explore new ideas and technology, and care deeply about collaboration, feedback, and iteration. We follow SAFe agile practices, embrace the Ops ethos (DataOps/DevSecOps/MLOps) to "automate-first", use modern tech stacks, and constantly challenge each other to grow and improve.
If cutting edge data science projects resonate with you, and you care deeply about joining a mission-driven company with a strong growth direction and diverse culture, we'd love to learn more about you. Check out the details below, and let's connect.
Technical members of our solutions teams require little guidance, but love to learn, collaborate, and problem solve. This position requires mid to senior level of experience, a passion for mission support, and a strong desire to solve our customers' hardest technical and data challenges.
Clearance: Active TS/SCI Clearance preferred. Minimum of active secret clearance required.
Location/Flexibility: Herndon, VA with remote flexibility. Must be local to the DC Metro area.
Responsibilities:
  • Develop full-stack web applications with modern front-end frameworks and Python back-ends
  • Design and implement REST APIs for ML model serving and data processing
  • Write comprehensive unit tests and maintain CI/CD pipelines
  • Build and deploy microservices in containerized Kubernetes environments
  • Integrate and deploy PyTorch models into production systems
  • Collaborate with Software Architect on technical design and architecture decisions

Qualifications:
We are seeking a Full Stack Python Developer to work under Technical Lead, building scalable web applications and REST APIs that power machine learning workloads in a cloud-native, containerized environment.
Clearance: Active TS/SCI
Software Development (5+ years):
  • Strong Python expertise with solid Object-Oriented Programming (OOP) principles (SOLID, design patterns, class design)
  • Front-End Development: Proficiency with modern JavaScript frameworks (React, Vue.js, or Angular), HTML5, CSS3, and responsive design
  • Back-End Development: Experience designing and implementing RESTful APIs using Python frameworks (FastAPI, Flask, Django)
  • Unit Testing: Expertise with PyTest including test-driven development (TDD), mocking, fixtures, and maintaining high code coverage

Machine Learning Workloads:
  • Understanding of ML model lifecycle: training, serving, inference, and monitoring
  • Experience building APIs and services that support ML model endpoints

DevOps & Infrastructure (Mid-Level):
  • Experience with Git and CI/CD pipelines (GitLab CI/CD preferred)
  • Experience with Docker containerization and Kubernetes deployment
  • Familiarity with microservices architecture patterns and implementation
  • Exposure to deploying ML workloads on Kubernetes clusters (EKS experience is a plus)

Cloud & Databases:
  • Working knowledge of AWS services (EKS, S3, ECR, Lambda)
  • Experience with both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis) databases
  • Comfortable in Linux environments

Collaboration:
  • Experience with code reviews and Agile development practices
  • Ability to work in fast-paced environments delivering AI/ML solutions

Physical Requirements:
  • Prolonged periods sitting at a desk and working on a computer
  • Must be able to lift up to 10-15 pounds at times.

#JT
About NT Concepts
Founded in 1998 and headquartered in the Washington DC Metro area, NT Concepts is a private, mid-tier company with clients spanning the Intelligence and Defense communities. We deliver end-to-end data and technology solutions that advance the modernization, transformation, and automation of the national security mission-solutions with real impact developed in a strong engineering culture that encourages technical growth, leadership, and creative "big idea" problem-solving.
Employees are the core of NT Concepts. We understand that world-changing concepts happen in collaborative environments. We are a company where talented teams work together using innovation and expertise to solve our clients' most critical challenges. Here, you'll gain competitive benefits, opportunities to bolster your skills and develop new abilities, and a company culture dedicated to support and service. In addition to our benefits program, we encourage our employees to take part in #NTC_GivesBack, which paves the way for positive social change.
If joining a stable company with strong professional growth opportunities resonates with you, and you seek vital, mission-driven projects (for some pretty cool clients) that use your specific talents, we'd love to have you move forward with us.

Apply