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Senior Python Flask Developer Jobs in Fairfax, VA

Mindlance

Senior Python Developer

Mclean, VA · On-site

$123K - $165K/yr

Mindlance is a company seeking a Senior Python Developer to join their team in McLean, VA. The role ... Python, Django/Flask/FastAPI, NumPy, pandas and Relational Database • Refactoring Skills:

Palnar

Sr. Python Developer

Mclean, VA · On-site

$123K - $166K/yr

Strong Proficiency in Python programming language, including experience with frameworks such as Flask, Django, and Fast API. * Experience with RESTful APIs and microservices architecture, and an ...

Samprasoft

Python / API Developer

Mclean, VA · On-site

$51.50 - $71/hr

Must have Python, Flask, SQL, Pandas, NumPy & Pytest, Unitest, Monkey patch. * Experience with ... Engineer capable of designing solutions, writing code, testing code, automating test and deployment.

Software Technology Inc

Sr. Python Developer

Mclean, VA · On-site

$51.50 - $71/hr

Develop REST/JSON based web services using Python/Flask. Create docker images and deploy images to Open Shift Container platforms. Automate deploying and monitoring processes using Jenkins. Conduct ...

Navtech, Inc.

Senior Python Developer

Mclean, VA · On-site

$123K - $166K/yr

... Developer Experience with Python frameworks e.g., Django ... Flask. • Good experience on writing the test cases, Unit Testing, and automation test by using ...

Navtech

Senior Python Developer

Mclean, VA · On-site

$124K - $167K/yr

... Developer Experience with Python frameworks e.g., Django ... Flask. • Good experience on writing the test cases, Unit Testing, and automation test by using ...

Tripoint Solutions

Senior Python Developer

Washington, DC · On-site

$137K - $185K/yr

Tripoint Solutions is seeking an experienced Senior Python Developer to support our federal ... Design, develop, test, and maintain web applications using Python, Django, and Flask. * Implement ...

SAIC

Senior Python Engineer

Quantico, VA · On-site

$131K - $176K/yr

The Air Force Space and Intel Business Group of SAIC is seeking a Senior Python Engineer to support ... Experience with web frameworks such as Django or Flask. Familiarity with API development and ...

InteliX Systems

Python Developer

Mclean, VA · On-site

$51.50 - $71/hr

Python Developer Location: McLean VA Duration: 6-12 Months - (With possible extension) Must have ... Django, Flask. * Good experience on writing the test cases, Unit Testing, and automation test by ...

Maxiom Technology

Senior Python Developer

Washington, DC

$137K - $185K/yr

We are looking for a Senior Python Developer to join our software development team. Senior Python Developer responsibilities include participating in the entire software development lifecycle ...

Samprasoft

Senior Python Developer | McLean,VA

Mclean, VA · On-site

$124K - $167K/yr

Python, Rest API (Flask or Fast API), Pandas or NumPy, Pytest or Unitest The position is focused on ... Engineer capable of designing solutions, writing code, testing code, automating test and deployment

Samprasoft

Sr. Python Developer

Mclean, VA · On-site

$51.50 - $71/hr

Python Developer Duration: 6-12 Months (Possible Extension or Conversion) Location: McLean, VA ... Need Flask experience. * Some experience with Angular needed, but focus will be majorly on Backend.

E-Solutions

Sr. Python Developer | McLean, VA

Mclean, VA · On-site

$124K - $167K/yr

Python, Rest API (Flask or Fast API), Pandas or NumPy. The position is focused on python ... Responsibilities include: • Engineer capable of designing solutions, writing code, testing code ...

Samprasoft

Sr. Python Developer | McLean, VA

Mclean, VA · On-site

$124K - $167K/yr

Python, Rest API (Flask or Fast API), Pandas or NumPy. The position is focused on python ... Engineer capable of designing solutions, writing code, testing code, automating test and deployment

Saxon Global

Sr. Python Developer

Washington, DC · On-site

$137K - $185K/yr

Job Title Design & build production-grade services and APIs (FastAPI / Django / Flask) using clean, well-tested Python. Architect scalable systems (microservices, event-driven patterns, async I/O ...

Mindlance

Senior Python Developer

Mclean, VA · On-site

$124K - $167K/yr

Senior Python Developer Location: 6 Months Duration: Mclean, VA 22102 Fully Onsite: M-F Must Have Qualifications: * Strong Python Developer with strong experience in Python development, SQL, and ...

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All JobsSenior Python Flask Developer JobsSenior Python Flask Developer Jobs in Fairfax, VA

Senior Python Flask Developer information

See Fairfax, VA salary details

$56.2K

$145.1K

$199.3K

How much do senior python flask developer jobs pay per year?

As of Jun 27, 2026, the average yearly pay for senior python flask developer in Fairfax, VA is $145,123.00, according to ZipRecruiter salary data. Most workers in this role earn between $124,200.00 and $167,100.00 per year, depending on experience, location, and employer.

How much does a senior Python developer make?

A senior Python Flask developer typically earns between $100,000 and $150,000 annually, depending on experience, location, and company size. They often possess strong skills in web frameworks, APIs, and database integration, which can influence salary levels.

What are Senior Python Flask Developers?

Senior Python Flask Developers are experienced software engineers who specialize in building web applications using the Python programming language and the Flask web framework. They are responsible for designing, developing, and maintaining scalable backend systems, APIs, and web services. In addition to strong coding skills, they often lead projects, mentor junior developers, and ensure best practices in code quality, security, and performance. Their expertise allows them to solve complex technical challenges and contribute to the overall architecture and success of software projects.

What is the salary of Python flask?

The salary for a Senior Python Flask Developer typically ranges from $90,000 to $130,000 annually, depending on experience, location, and company size. Skilled developers with knowledge of REST APIs, database integration, and cloud deployment tend to earn higher salaries.

What are some common challenges faced by Senior Python Flask Developers when working on large-scale applications?

Senior Python Flask Developers often encounter challenges such as managing complex codebases, ensuring scalability, and maintaining performance as applications grow. Integrating Flask with other technologies (like databases, caching systems, or third-party APIs) can introduce architectural complexities. Additionally, balancing rapid development with writing maintainable, well-tested code is crucial. Collaboration with frontend developers, DevOps, and QA teams is frequent, requiring strong communication and problem-solving skills.

What is the difference between Senior Python Flask Developer vs Python Developer?

AspectSenior Python Flask DeveloperPython Developer
Required CredentialsBachelor's in CS or related, experience with Flask, REST APIsBachelor's in CS or related, basic Python knowledge
Work EnvironmentWeb development teams, startups, tech companiesSoftware development teams, startups, tech companies
Employer & Industry UsageTech firms, SaaS companies, startupsVariety of industries including finance, healthcare, tech
Search & Comparison IntentAdvanced roles, leadership, project scopeEntry to mid-level development, learning

The main difference between a Senior Python Flask Developer and a Python Developer lies in experience and responsibilities. Senior developers typically have more expertise in Flask, lead projects, and mentor junior staff, whereas Python Developers may focus on coding and basic application development. Both roles are essential in web development teams, but senior roles require deeper knowledge and leadership skills.

What are the key skills and qualifications needed to thrive as a Senior Python Flask Developer, and why are they important?

To thrive as a Senior Python Flask Developer, you need advanced proficiency in Python, deep understanding of the Flask framework, and experience designing scalable backend architectures, typically supported by a degree in computer science or related field. Familiarity with RESTful API development, database management systems like PostgreSQL or MySQL, and version control tools such as Git is essential, and certifications in cloud platforms or web development can be beneficial. Strong problem-solving skills, clear communication, and the ability to mentor junior developers are standout soft skills for this role. These abilities ensure efficient delivery of robust, maintainable web applications and foster productive collaboration within development teams.

What is the highest paid Python programmer?

Senior Python Flask developers with extensive experience, specialized skills, and knowledge of frameworks and cloud services tend to earn the highest salaries among Python programmers. Top earners often work in industries like finance, technology, or data science and may hold advanced certifications or leadership roles. Salary levels vary based on location, company size, and individual expertise.

Is Flask a backend or frontend?

Flask is a lightweight Python web framework used for building backend applications and APIs. It handles server-side logic, data processing, and routing, but does not manage frontend user interfaces directly. Developers often combine Flask with frontend technologies like HTML, CSS, and JavaScript to create complete web applications.
What are popular job titles related to Senior Python Flask Developer jobs in Fairfax, VA? For Senior Python Flask Developer jobs in Fairfax, VA, the most frequently searched job titles are:
What job categories do people searching Senior Python Flask Developer jobs in Fairfax, VA look for? The top searched job categories for Senior Python Flask Developer jobs in Fairfax, VA are:
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Senior Python Flask Developer jobs near you
Senior Python Developer

Senior Python Developer

Mindlance

Mclean, VA • On-site

$123K - $165K/yr

Full-time

Posted 7 days ago

Job description

Job Summary:
Mindlance is a company seeking a Senior Python Developer to join their team in McLean, VA. The role involves designing solutions, writing code, and maintaining high-quality software for web applications that integrate data and analytics.
Responsibilities:
• Engineer capable of designing solutions, writing code, testing code, automating test and deployment.
• Develop and maintain high-quality software code and automated tests (including Unit, Functional, Performance, Acceptance) for web interface application that integrates data, analytics, and reporting components.
• Predictable results: changes in code can be proven to be correct and bug-free.
• Production resilience: system must be highly available with minimal downtime.
• High performance: develop scalable calculations to maintain performance over large data sets.
• Ready, willing, and able to pick up new technologies and pitch in on story tasks (design, code, test, CI/CD, deploy, etc.)
Qualifications:
Required:
• Strong Proficiency in Python programming language, including experience with frameworks such as Flask, Django and FastAPI.
• Experience with RESTful APIs and microservices architecture, and an understanding of how to design and implement them effectively.
• Back End Skills: Python, Django/Flask/FastAPI, NumPy, pandas and Relational Database
• Refactoring Skills: Knowledge of how to refactor code to improve its quality, maintainability, performance, and scalability while preserving its functionality.
• Build CI/CD Tools: Gradle, Jenkins, git, Conda, pip, Jira, Gitlab, Confluence
• DevOps: Linux & Docker
Preferred:
• Python, Rest API (Flask or Fast API), Pandas or NumPy.
Company:
Mindlance is a Staffing and Recruiting company which provides multi-vertical staffing services Founded in 1999, the company is headquartered in Union, USA, with a team of 1001-5000 employees. The company is currently Late Stage.
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About Mindlance

Sourced by ZipRecruiter

Mindlance is a multinational staffing and services firm based in the Greater NYC area. We have 14 offices across the United States, Canada, and India. We match talented people to Fortune 500 and Fortune 1000 companies across industries. We have been in business since 1999 and are recognized by Staffing Industry Analysts (SIA) as one of the fastest-growing U.S. staffing firms. Our rapid growth means more jobs, more projects, and more opportunities for you. Our core philosophy means that you work with an organization that truly values and recognizes you.

Industry

Recruiting and staffing services

Company size

1,001 - 5,000 Employees

Headquarters location

Union, NJ, US

Year founded

1999

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