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Senior Python Flask Developer Jobs in Merrifield, VA

Palnar

Sr. Python Developer

Mclean, VA · On-site

$123K - $166K/yr

Master's degree in Computer Science, Software Engineering or related technical field Demonstrated knowledge of: * Python, Pandas and other popular Python libraries * Java * Testing frameworks such as ...

Leidos

Senior Python Developer

Chantilly, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Mindlance

Senior Python Developer

Mclean, VA

$124K - $167K/yr

Detailed Python Full Stack Developer Location: (Fully Onsite), Mclean, VA 22102 Duration: 6 months + Extensions Responsibilities: * Refactor and modernize existing components of an ETL application to ...

Leidos

Senior Python Developer

Chantilly, VA

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Herndon, VA

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Chantilly, VA · On-site

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Springfield, VA

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Merrifield, VA

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Burke, VA

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Sterling, VA

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Falls Church, VA

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Chantilly, VA

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

CGI

Senior Python Developer with Spark

Reston, VA

$126K - $170K/yr

We are seeking a Senior Python Developer with Spark skills to design, build, and optimize large-scale data processing systems in a cloud-native AWS environment. This role focuses heavily on ...

Leidos

Senior Python Developer

Reston, VA

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Leidos

Senior Python Developer

Manassas, VA

$131K - $237K/yr

Four years of experience in a Python Development role * Bachelor's degree in computer science, Software Engineering, Computer Engineering, or related field * Expertise in scripting (Python, shell ...

Fynbosys Inc

Python Developer with AI

Mclean, VA

$51.50 - $71/hr

Hi Role : Sr. Python Candidate with Strong AI Location : McLean, VA. Need only locals 12+ Months Face to Face Interviews Candidates must be local or neighbouring to McLean, VA Required Skills: Very ...

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

Senior Python Flask Developer information

See Merrifield, VA salary details

$54.9K

$141.6K

$194.5K

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

As of Jun 18, 2026, the average yearly pay for senior python flask developer in Merrifield, VA is $141,615.00, according to ZipRecruiter salary data. Most workers in this role earn between $121,200.00 and $163,100.00 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 cities near Merrifield, VA are hiring for Senior Python Flask Developer jobs? Cities near Merrifield, VA with the most Senior Python Flask Developer job openings:
Senior Python Flask Developer jobs near you
Infographic showing various Senior Python Flask Developer job openings in Merrifield, VA as of June 2026, with employment types broken down into 1% Internship, 5% As Needed, 6% Full Time, 81% Part Time, and 7% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $141,615 per year, or $68.1 per hour.
Sr. Python Developer

Sr. Python Developer

Palnar

Mclean, VA • On-site

$123K - $166K/yr

Full-time

Posted 15 days ago

Job description

Role and responsibility:
  • Interact with finance team and business side to collect the requirements
  • Design, develop and support software solution for the given requirements within the financial modeling and research area
  • Ensure new code and existing code updates meet standard technology development practices
  • Work with finance team and other developers to facilitate the reconciliation
  • Help customers to understand the result and to properly use the application
  • Assist in the operational execution of software solutions to assist with the monitoring and control of market and credit risks.

Educational Qualifications:
  • Master's degree in Computer Science, Software Engineering or related technical field

Demonstrated knowledge of:
  • Python, Pandas and other popular Python libraries
  • Java
  • Testing frameworks such as pytest, junit
  • SQL
  • Linux, Docker
  • CI/CD Processes, git
  • Familiar with using IDEs such as intelliJ (for java and/or python)
  • Excel
  • Quantitative Finance (Optional)

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