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Senior Fastapi Developer Jobs in Ashburn, VA (NOW HIRING)

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 ...

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 ...

Mindlance

Senior Python Developer

Mclean, VA · On-site

$124K - $167K/yr

Sr. Full Stack Developer Location: Full time on-site in McLean, VA Assignment Type: Contract only ... Experience with popular Python frameworks such as Django and FastAPI. * 5 years of experience with ...

Compugain

Senior Python Developer

Mclean, VA · On-site

$124K - $167K/yr

Senior Python Developer Looking for a proactive, detail-oriented Professional Python Developer to ... Experience with popular Python frameworks such as Django and FastAPI. * 3+ years of experience with ...

Zvolvant

AI/ML Developer

Washington, DC · On-site

AI/ML DeveloperIntroduction Zvolvant is currently seeking a Senior AI Developer to lead the design ... Build secure, containerized APIs using FastAPI and Docker. * Deploy applications to Azure ...

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How much do senior fastapi developer jobs pay per hour?

As of Jul 5, 2026, the average hourly pay for senior fastapi developer in Ashburn, VA is $63.13, according to ZipRecruiter salary data. Most workers in this role earn between $53.61 and $70.82 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

$123K - $165K/yr

Full-time

Posted 15 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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