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Senior Fastapi Developer Jobs in Boston, MA (NOW HIRING)

Openmind Technologies

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Senior Python Data Tool Developer (Product Development)

Boston, MA · Remote

$80 - $100/hr

Title - Senior Python Data Tool Developer (Product Development) Duration - 3 to 6 months Contract ... FastAPI/Flask). * Data Engineering Stack: Deep experience with SQL (window functions, query plans ...

New

Openmind Technologies

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Senior Python Data Tool Developer (Product Development)

Boston, MA · Remote

$80 - $100/hr

Title - Senior Python Data Tool Developer (Product Development) Duration - 3 to 6 months Contract ... FastAPI/Flask). * Data Engineering Stack: Deep experience with SQL (window functions, query plans ...

New

Lila Sciences

Senior Software Engineer, App

Cambridge, MA

$133K - $176K/yr

Leverage AWS services, Kubernetes and modern DevOps practices to build and deploy production-grade ... Experience with and web services for CRUD services (SQLModel, FastAPI, Django). * Orchestration ...

Klaviyo

Senior AI Engineer

Boston, MA · On-site

$113K - $155K/yr

As a Senior AI Engineer, you will design and build scalable backend systems and user experiences ... FastAPI, Django preferred). • Experience creating human and automated evals to ensure high AI ...

Lila Sciences

Senior Software Engineer, App

Cambridge, MA · On-site

$133K - $176K/yr

Leverage AWS services, Kubernetes and modern DevOps practices to build and deploy production-grade ... Experience with and web services for CRUD services (SQLModel, FastAPI, Django). * Orchestration ...

Klaviyo

Senior AI Engineer

Boston, MA · On-site

$113K - $155K/yr

As a Senior AI Engineer, you will design and build scalable backend systems and user experiences ... FastAPI, Django preferred). • Experience creating human and automated evals to ensure high AI ...

Paperless Parts

Senior Software Engineer

Boston, MA · On-site

$142K - $192K/yr

About the Role Join our engineering team as a Senior Software Engineer and play a crucial role in ... We work across a modern stack - Python (Django and FastAPI), TypeScript and React, PostgreSQL, and ...

Paperless Parts

Senior Software Engineer

Boston, MA · On-site

$133K - $175K/yr

About the Role Join our engineering team as a Senior Software Engineer and play a crucial role in ... We work across a modern stack - Python (Django and FastAPI), TypeScript and React, PostgreSQL, and ...

DATAECONOMY

Gen AI Engineer

Boston, MA · On-site

... Senior GenAI Platform Engineer to build and operate our enterprise AI agent platform -- hands-on ... Build backend services in FastAPI for agent submission, execution, lifecycle state machines, and ...

DATAECONOMY

Gen AI platform Engineer

Boston, MA · On-site

... Senior GenAI Platform Engineer to build and operate our enterprise AI agent platform -- hands-on ... Build backend services in FastAPI for agent submission, execution, lifecycle state machines, and ...

Wellington Management

Senior Software Engineer

Boston, MA · Hybrid

$133K - $175K/yr

About the Role Senior Software Developer (Python/Java) Title Senior Software Developer (Python/Java ... FastAPI, Spring, React, or comparable technologies. * Advanced Python expertise and working ...

Wellington Management

Senior Software Engineer

Boston, MA · Hybrid

$133K - $175K/yr

About the Role Senior Software Developer (Python/Java) Title Senior Software Developer (Python/Java ... FastAPI, Spring, React, or comparable technologies. * Advanced Python expertise and working ...

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Senior Fastapi Developer information

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$67

$95

How much do senior fastapi developer jobs pay per hour?

As of Sep 13, 2026, the average hourly pay for senior fastapi developer in Boston, MA is $67.06, according to ZipRecruiter salary data. Most workers in this role earn between $56.92 and $75.19 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 the key skills and qualifications needed to thrive as a Senior FastAPI Developer?

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.

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 most commonly searched types of Fastapi Developer jobs in Boston, MA?

The most popular types of Fastapi Developer jobs in Boston, MA are:

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For Senior Fastapi Developer jobs in Boston, MA, the most frequently searched job titles are:

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Senior Fastapi Developer jobs near you

Senior Python Developer

Boston, MA

SCI SOLUTIONS GLOBAL
See more jobs at SCI SOLUTIONS GLOBALexternal

$70 - $75/hr

Contractor

Posted yesterday

New

Job description


Hiring: Senior Python Developer
Locations: Westlake, TX | Durham, NC | Smithfield, RI | Boston, MA | Merrimack, NH | Jersey City, NJ
12-Month Contract | W2 only (please dont share c2c or third party profiles)
Only USC/GC/GC EAD accepted.

Our client is looking for a Senior Python Developer with 10+ years of experience. This is a true software development role—not a Python scripting position.
What We're Looking For
Strong hands-on Python development
Software design & application development
Third-party API integration experience
Django / FastAPI / Zope REST Framework
ETL APIs and data integration
XML / JSON processing
MySQL & complex SQL
Document extraction from PDF/Excel
API integration with portfolio management systems
Experience with Allvue is valuable
Code reviews & developer mentoring