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Senior Fastapi Developer Jobs in Bethesda, MD (NOW HIRING)

Mindlance

Senior Python Developer

Mclean, VA · On-site

$124K - $167K/yr

Title: Sr Python Developer Location: McLean, VA (Fully On-site) Duration: Long Term Assignment Must ... Python, Django/Flask/FastAPI, NumPy, pandas and Relational Database * Refactoring Skills: Knowledge ...

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:

Technology Ventures

Senior GenAI Engineer

Reston, VA · On-site

$108K - $149K/yr

... modern DevOps practices . This role involves building end-to-end AI systems that integrate with ... Build scalable backend services using Python, FastAPI, and Pydantic . Develop and deploy LLM ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Preferred experience includes Django and Vue.js, though equivalent experience with Flask, FastAPI ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Preferred experience includes Django and Vue.js, though equivalent experience with Flask, FastAPI ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Preferred experience includes Django and Vue.js, though equivalent experience with Flask, FastAPI ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Preferred experience includes Django and Vue.js, though equivalent experience with Flask, FastAPI ...

System One

Senior Full Stack Developer

Mclean, VA · Remote

Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a ... Preferred experience includes Django and Vue.js, though equivalent experience with Flask, FastAPI ...

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How much do senior fastapi developer jobs pay per hour?

As of Jun 28, 2026, the average hourly pay for senior fastapi developer in Bethesda, MD is $66.07, according to ZipRecruiter salary data. Most workers in this role earn between $56.11 and $74.09 per hour, depending on experience, location, and employer.

What does a Senior FastAPI Developer do?

A Senior FastAPI Developer designs, develops, and maintains backend web applications using the FastAPI framework in Python. They are responsible for building scalable APIs, optimizing performance, ensuring security best practices, and integrating with databases and external services. Senior developers also mentor junior team members, contribute to architecture decisions, and collaborate closely with front-end engineers and stakeholders to deliver robust software solutions.

What are some common challenges faced by Senior FastAPI Developers when scaling applications, and how can these be addressed?

Senior FastAPI Developers often encounter challenges related to managing high concurrency, optimizing API performance, and ensuring robust security as applications scale. To address these, it’s important to implement asynchronous programming practices, leverage efficient database queries, and utilize API gateways for better traffic management. Collaboration with DevOps and QA teams is also essential to automate deployments and monitor system health, ensuring smooth scaling and reliable user experiences.

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

To thrive as a Senior FastAPI Developer, you need deep expertise in Python, RESTful API design, and experience building scalable web backends, typically supported by a degree in computer science or related field. Familiarity with FastAPI, Docker, cloud platforms (such as AWS or Azure), and CI/CD tools is highly valued, along with proficiency in testing frameworks. Strong problem-solving, leadership, and communication skills help you collaborate effectively with cross-functional teams and mentor junior developers. These skills enable the delivery of robust, efficient, and maintainable APIs that support business goals and high user demands.
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Senior Fastapi Developer jobs near you
Senior Python Developer

Senior Python Developer

Mindlance

Mclean, VA • On-site

$124K - $167K/yr

Other

Posted 9 days ago

Job description

Title: Sr Python Developer
Location: McLean, VA (Fully On-site)
Duration: Long Term Assignment
Must Haves: Python, Rest API (Flask or Fast API), Pandas or NumPy.
Responsibilities include:
  • 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.)
Technical Skills:
  • 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

EEO:
"Mindlance is an Equal Opportunity Employer and does not discriminate in employment on the basis of - Minority/Gender/Disability/Religion/LGBTQI/Age/Veterans."
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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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