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Fastapi Programmer Jobs in Boston, MA (NOW HIRING)

PathAI

Senior Software Engineer, Fullstack

Boston, MA · On-site

$133K - $175K/yr

They are seeking a Senior Software Engineer, Fullstack to help develop their software platform ... Python-based (FastAPI or Django) applications. • Experience with modern frontend JavaScript ...

The Hollister Group

AI Developer

Boston, MA · On-site

$70 - $110/hr

AI Developer We are The Hollister Group , the Boston area's leading women-owned staffing firm. We ... Develop and maintain Python-based AI applications and APIs using frameworks like FastAPI , Flask ...

Klaviyo

Lead AI Software Engineer

Boston, MA

Proficient in Python and modern frameworks (FastAPI, Django preferred). * Skilled with big data and ... junior engineers. * Curious, pragmatic, and passionate about building AI systems that drive ...

Farsyt

Founding Software Engineer

Cambridge, MA · On-site

Technical Stack Python (Django/DRF, FastAPI), React/TypeScript, PostgreSQL, Redis, Celery, AWS ... You'll be one of the first engineers -- your decisions will shape the company * Direct access to ...

Liberate

Senior Software Engineer

Boston, MA · On-site

$190K - $215K/yr

We are looking for a skilled Senior Software Engineer to join our development team and help build ... Extensive experience with FastAPI, Django, asyncio. * Experience with NodeJS, React, Typescript and ...

Recorded Future

Principal Software Engineer

Boston, MA · On-site

$152K - $228K/yr

As a Principal Software Engineer, you will work across application code and infrastructure to ... Experience developing REST APIs using frameworks such as Flask, Django, or FastAPI. * Proven ...

Liberate

Senior Software Engineer

Boston, MA · On-site +1

$190K - $215K/yr

We are looking for a skilled Senior Software Engineer to join our development team and help build ... Extensive experience with FastAPI, Django, asyncio. * Experience with NodeJS, React, Typescript and ...

Klaviyo

Senior AI Application Engineer

Boston, MA

Strong full-stack engineering skills across Python (FastAPI, Flask, or Django) and TypeScript or JavaScript, with experience in modern frontend frameworks. * Proven experience designing and building ...

Klaviyo

Senior AI Engineer

Boston, MA · On-site

$133K - $175K/yr

Senior Software Engineer - Marketing Agent Location: Boston, MA (Hybrid 3x week) At Klaviyo, we ... Proficient in Python and modern web stack components such as FastAPI, Django, MySQL, Postgres.

Klaviyo

Senior AI Application Engineer

Boston, MA · On-site

... FastAPI, Flask, or Django) and TypeScript or JavaScript, with experience in modern frontend ... engineering, model evaluation frameworks, and LLM observability tools such as LangSmith or Weights ...

Klaviyo

AI Engineer II

Boston, MA · On-site

$105K - $145K/yr

Software Engineer II - Marketing Agent Location: Boston, MA (Hybrid 3x week) At Klaviyo, we believe ... Proficient in Python and modern web stack components such as FastAPI, Django, MySQL, Postgres.

Klaviyo

Senior AI Engineer - Customer Agent

Boston, MA

$113K - $155K/yr

Our team is looking for a Sr. AI Engineer on the Customer Agent team, Klaviyo's AI-native ... Proficient in Python and modern backend frameworks (FastAPI, Django preferred). * Experience ...

Hatch IT

Senior Software Engineer

Boston, MA · On-site

$133K - $175K/yr

Developing RESTful APIs (using frameworks such as FastAPI) secured by OAuth2/Auth * Integrating ... Previous experience leading an Agile team of developers a plus: * Proven on-time delivery of ...

Hatch IT

Senior Software Engineer

Boston, MA · On-site

$133K - $175K/yr

Developing RESTful APIs (using frameworks such as FastAPI) secured by OAuth2/Auth * Integrating ... Previous experience leading an Agile team of developers a plus: * Proven on-time delivery of ...

Hatch IT

Senior Software Engineer

Boston, MA · On-site

$133K - $175K/yr

Developing RESTful APIs (using frameworks such as FastAPI) secured by OAuth2/Auth * Integrating ... Previous experience leading an Agile team of developers a plus: * Proven on-time delivery of ...

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How much do fastapi programmer jobs pay per hour?

As of Jun 5, 2026, the average hourly pay for fastapi programmer in Boston, MA is $42.95, according to ZipRecruiter salary data. Most workers in this role earn between $27.93 and $55.87 per hour, depending on experience, location, and employer.
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Fastapi Programmer jobs near you
Senior Software Engineer, Fullstack

Senior Software Engineer, Fullstack

PathAI

Boston, MA • On-site

$133K - $175K/yr

Full-time

Posted 24 days ago

Job description

Job Summary:
PathAI is dedicated to improving patient outcomes with AI-powered pathology, leveraging cutting-edge machine learning technologies. They are seeking a Senior Software Engineer, Fullstack to help develop their software platform, focusing on building and improving features while collaborating with various teams to uphold high engineering standards.
Responsibilities:
• Solve interesting problems with code.
• Build new features for internal and external users, and refactor existing ones to make them better.
• Work with a wide range of systems, processes, and technologies to solve problems in sustainable ways. Sometimes you'll be neck-deep in low-level systems, and other times you'll be pairing up with the front-end team on the user interface.
• Drive the architecture of our application platform, considering the team and our future product roadmap.
• Collaborate with product, design, machine learning, and infrastructure teams.
• Drive and uphold high engineering standards, bringing consistency to the codebases you encounter and ensuring software is adequately reviewed, tested, and integrated.
• Mentor, learn, and share knowledge with others along the way.
• Take responsibility for the quality of the code produced by you and the team.
• Contribute to a SaaS platform used in clinical trial workflows, ensuring reliability, data integrity, and compliance with industry standards.
• Collaborate with clinical, QA, and regulatory teams to ensure software changes meet validation expectations and support inspection readiness.
Qualifications:
Required:
• Bachelor of Science (or higher) in Computer Science or equivalent.
• 5+ years of full life cycle development experience.
• An insatiable intellectual curiosity and the ability to learn quickly in a complex space.
• Experience and skills in designing and building Python-based (FastAPI or Django) applications.
• Experience with modern frontend JavaScript frameworks such as React, Vue, or equivalent for building responsive, user-friendly interfaces.
• Solid foundation in data structures, algorithms, and OO design.
• Ability to collaborate with a distributed team and to work autonomously on projects.
• Strong problem-solving skills and the ability to work in a fast-paced, agile environment.
• Cloud Platform experience (AWS).
Preferred:
• Knowledge of some IaC framework is a plus.
• Hands-on experience with CI/CD tools like GitLab CI is a plus.
• Knowledge of containerization technologies like Docker and container orchestration tools like Kubernetes is a plus.
Company:
PathAI develops AI software and digital pathology systems used in diagnostic workflows, clinical research, and drug development. Founded in 2016, the company is headquartered in Boston, USA, with a team of 501-1000 employees. The company is currently Late Stage.

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