ZipRecruiter

Log In

1

Senior Python Flask Developer Jobs in McLean, VA

Interon IT Solutions

Python Developer

Reston, VA · On-site

$52.25 - $72/hr

Senior Python Developer - with Container (EKS) & AWS experience Client: Fannie Mae Location: Reston VA - In person interviews so need Local In EAST coast only Long Term This is for a Senior Python ...

PTR Global

Senior Python Developer

Mclean, VA

$80 - $85/hr

Senior Python Developer Location: McLean, Virginia Duration: Contract Job ID: 177144 Job Overview: The Senior Software Developer will contribute to the firm's data modernization initiative within the ...

New

Hexaware Technologies, Inc

Python Developer

Reston, VA

$52.25 - $72/hr

The Senior Python Developer will design, develop, test, and implement cloud native applications, data pipelines, and backend services within AWS. The role requires strong Python engineering skills ...

PTR Global

Senior Python Developer

Mclean, VA

$80 - $85/hr

Python Developer Location: Mclean, VA Duration: 12+ Months (Possible extension) * Client's Investments and Capital Markets division is currently seeking a Senior Software Developer who can contribute ...

New

Saransh Inc

Sr. Python Developer with Spark and AWS

Mclean, VA · On-site

$122.80K - $165.30K/yr

Role: Sr. Python Developer Location: McLean, VA (Hybrid - 3 days a week onsite) Job Type: Contract Required Skills: Python, Spark, AWS (S3, Lambda, IAM, SG etc.), AWS IAM Idaas Qualifications: * Min ...

CGI Inc.

Senior Python Developer with Spark

Reston, VA · On-site

$126.40K - $170.10K/yr

Senior Python Developer with Spark Category: Software Development/ Engineering Main location: United States, Virginia, Reston Position ID:J0526-0018 Employment Type: Full Time U.S. - What we do ...

Guru Schools

Python Developer III

Washington, DC · On-site

$57 - $78.50/hr

Python Developer III 4 DAYS ONSITE MUST BE LOCAL FACE TO FACE INTERVIEW MUST HAVE POWER BI EXPERIENCE SENIOR PYTHON DEVELOPER Python, reporting- part of the Enterprise Data Management team supporting ...

Palnar

Sr. Python Developer

Mclean, VA · On-site

$123.50K - $166.20K/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

$131.30K - $237.35K/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

$124.60K - $167.70K/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

$131.30K - $237.35K/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

Reston, VA

$131.30K - $237.35K/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

$131.30K - $237.35K/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 ...

next page

Showing results 1-20

People also search for

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

Senior Python Flask Developer information

See McLean, VA salary details

$55.6K

$143.5K

$197.1K

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

As of May 29, 2026, the average yearly pay for senior python flask developer in McLean, VA is $143,517.00, according to ZipRecruiter salary data. Most workers in this role earn between $122,800.00 and $165,300.00 per year, depending on experience, location, and employer.

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 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 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 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 popular job titles related to Senior Python Flask Developer jobs in McLean, VA? For Senior Python Flask Developer jobs in McLean, VA, the most frequently searched job titles are:
What job categories do people searching Senior Python Flask Developer jobs in McLean, VA look for? The top searched job categories for Senior Python Flask Developer jobs in McLean, VA are:
What cities near McLean, VA are hiring for Senior Python Flask Developer jobs? Cities near McLean, 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 McLean, VA as of May 2026, with employment types broken down into 84% Full Time, 5% Part Time, and 11% Contract. Highlights an 75% Physical, 14% Hybrid, and 11% Remote job distribution, with an average salary of $143,517 per year, or $69 per hour.
Urgent Need : Python Developer : McLean, VA - Hybrid : 12 Months : 10+ years profiles : Need Loca...

Urgent Need : Python Developer : McLean, VA - Hybrid : 12 Months : 10+ years profiles : Need Loca...

Navtech, Inc.

Mclean, VA • On-site

$51 - $70.50/hr

Full-time

Posted 25 days ago

Job description

I have an opportunity for a "Python Developer" - (McLean, VA - Hybrid) and I am looking for a candidate who can join Immediately if you are interested, reply to me with your updated resume or if you could refer someone I would really appreciate it.
Job Title : Python Developer
Location: McLean, VA Hybrid.
Duration : 12 Months
Need Locals only
Visa : H1B, USC, GC
Experience: 10+ years
  • Cloud implementation using AWS framework to move from ETL/database management.
  • ETL is built using Python scripts.
  • Must have skills: Python (programming and scripting), ETL, AWS framework, Bit bucket, microservices architecture, SQL, PostgreSQL
  • Java, Flask, Tableau and Python libraries (Lambda and Django) are nice to have.
  • Microservices will be built from scratch.

Must Haves: Python, SQL, Groovy, PostgreSQL, Jenkins, Docker Kubernetes, CI/CD, Bitbucket, Gitlab, Oracle, AWS cloud services (S3, Lambda), REST API data sources, Microservice architecture, Django framework
Overview:
The hiring team provides data analytics on software delivery primarily via Tableau dashboards. Daily responsibilities for this role may include back-end/ETL development, data normalization, data structure build-out, handling different data types, and maintaining and managing Tableau-driven dashboards.
Qualifications:
  • Bachelor's degree in Computer Science or Engineering or equivalent experience; advanced studies and degree preferred.
  • A minimum of 5 years of experience engineering software solutions for business and operational capabilities.
  • Solid experience as Python Developer Experience with Python frameworks e.g., Django, Flask.
  • Good experience on writing the test cases, Unit Testing, and automation test by using PYTEST Understanding of databases and SQL.
  • Knowledge of JavaScript and the AngularJS framework is a plus.
  • 5+ years of experience in developing applications using Python, Django technologies, preferably in Unix environment.
  • Advanced understanding of typical multi-tier architectures: web servers, caching, application servers, & load balancers.
  • Hands-on experience on multiple technologies such as: Python & middleware (WebLogic, Apache, Spring Boot, etc.) technologies in UNIX environment and Scripting languages such as UNIX Shell.
  • Build automation / CICD pipeline integration tools (Jenkins, GIT, Bitbucket, Artifactory, etc.).
  • Relational databases (Sybase, DB2, SQL Server, Oracle, PostgreSQL).
  • Information and application security including LDAP, certificates, public key encryption, SSH, access credentials, etc.
  • Good communication skills. The incumbent will be responsible for interfacing and influencing with the business lines as well as others across IT.
  • Modern Tools: Jenkins, Cucumber, Atlassian Suite (Jira, Bitbucket), Git
  • Work experience of IDE (any) PyCharm, visual source code
  • Strong SQL knowledge
  • Experience with Python Flask or any other UI frameworks.
  • Experience with Node.JS is preferred
  • Nice to have: Knowledge of reporting tools like Tableau Desktop and Prep

Best Regards,
David Miller | PH: 224- 433 -7876 | david@navtechusa.com
Technical Recruiter |NAVTECH INC
Navtech logo

About Navtech

Sourced by ZipRecruiter

Industry

Civil engineering construction

Company size

11 - 50 Employees

Headquarters location

New Bloomfield, PA, US

Year founded

1996

View All Navtech Jobs

Apply