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Fastapi Developer Jobs in Boston, MA (NOW HIRING)

Paperless Parts

Senior Software Engineer

Boston, MA · On-site

$133K - $175K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

We work across a modern stack - Python (Django and FastAPI), TypeScript and React, PostgreSQL, and ... Champion Engineering Excellence: Advance our practices - testing, observability, code review, and ...

Paperless Parts

Senior Software Engineer

Boston, MA · On-site

$133K - $175K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

We work across a modern stack - Python (Django and FastAPI), TypeScript and React, PostgreSQL, and ... Champion Engineering Excellence: Advance our practices - testing, observability, code review, and ...

twenty80.io

Founding Full Stack Engineer

Boston, MA · On-site +1

$150K - $190K/yr

  • Medical

  • Dental

  • Vision

  • PTO

Set up deployment pipelines, monitoring, and basic DevOps workflows * Help hire and mentor future ... React, TypeScript, Next.js * Backend: Node.js (Express/NestJS) or Python (Django/FastAPI)

twenty80.io

Senior Full Stack Software Engineer

Boston, MA · On-site +1

$160K - $210K/yr

  • Medical

  • Dental

  • Vision

  • PTO

Backend: Node.js (Express or NestJS) and/or Python (Django or FastAPI) * Databases: PostgreSQL ... engineering experience * Strong full stack experience with modern JavaScript/TypeScript * Proven ...

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 ...

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 ...

Catalyst Labs

ML Engineer

Boston, MA · On-site

They are seeking an ML Engineer to design, build, and deploy production-grade ML systems, while ... Preferred : • Familiarity with FastAPI, OpenAI APIs, Baseten, LiteLLM, LiveKit, PostgreSQL, Redis ...

Klaviyo

Senior AI Engineer - Customer Agent

Boston, MA · On-site

$113K - $155K/yr

They are seeking a Senior AI Engineer to design and build scalable backend systems for their AI ... FastAPI, Django preferred). • Experience creating human and automated evals to ensure high AI ...

Nexamp

Senior Full Stack Software Developer

Boston, MA

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

At Nexamp, you'll be part of an engineering squad focused on multiplying the efficiency of how we ... using Django, FastAPI, or similar frameworks. * Robust understanding of web standards ...

Nexamp

Senior Full Stack Software Developer

Boston, MA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

At Nexamp, you'll be part of an engineering squad focused on multiplying the efficiency of how we ... using Django, FastAPI, or similar frameworks. * Robust understanding of web standards ...

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All JobsFastapi Developer JobsFastapi Developer Jobs in Boston, MA

Fastapi Developer information

See Boston, MA salary details

$18

$57

$88

How much do fastapi developer jobs pay per hour?

As of Aug 16, 2026, the average hourly pay for fastapi developer in Boston, MA is $57.40, according to ZipRecruiter salary data. Most workers in this role earn between $43.89 and $70.24 per hour, depending on experience, location, and employer.

What are some common challenges FastAPI developers face when integrating third-party services or APIs?

FastAPI Developers often encounter challenges when integrating third-party services, such as handling authentication protocols (like OAuth2), ensuring compatibility between JSON schemas, and managing asynchronous calls to avoid performance bottlenecks. It’s also common to troubleshoot and adapt to inconsistencies in external API documentation or rate limits. Collaborating closely with frontend teams and DevOps professionals helps streamline these integrations, ensuring robust, scalable API solutions.

What is the difference between Fastapi Developer vs Backend Developer?

AspectFastapi DeveloperBackend Developer
Required SkillsPython, Fastapi, REST APIs, async programmingMultiple languages (Python, Java, Node.js), REST/SOAP APIs, databases
Work EnvironmentWeb development, API-focused projects, microservicesBroader software development, server-side logic, database management
Industry UsageTech startups, SaaS, API-driven servicesEnterprise, e-commerce, finance, various industries

Fastapi Developers specialize in building high-performance APIs using Python and Fastapi, often within microservices architectures. Backend Developers have a broader scope, working with multiple languages and technologies to develop server-side applications across various industries. While Fastapi Developers focus on API efficiency, Backend Developers handle comprehensive backend systems.

What are the key skills and qualifications needed to thrive as a FastAPI developer?

To thrive as a FastAPI Developer, you need strong proficiency in Python programming, RESTful API design, and experience with FastAPI, often supported by a background in computer science or related fields. Familiarity with tools like SQL/NoSQL databases, Docker, and cloud platforms, as well as knowledge of asynchronous programming and API documentation tools like Swagger, is typically required. Excellent problem-solving skills, attention to detail, and effective communication set outstanding FastAPI developers apart. These skills are crucial for building reliable, high-performance APIs that meet modern application demands and facilitate seamless team collaboration.

What is a FastAPI developer?

A FastAPI Developer is a software engineer who specializes in building web applications and APIs using the FastAPI framework, which is a modern, fast (high-performance) web framework for Python. FastAPI Developers are responsible for designing, developing, and maintaining backend services and APIs that are efficient, robust, and scalable. They often work with databases, authentication, and deployment processes, and ensure that the API endpoints adhere to best practices for security and performance. Their work is crucial for enabling smooth communication between front-end applications and backend systems.

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:

What are popular job titles related to Fastapi Developer jobs in Boston, MA?

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

What job categories do people searching Fastapi Developer jobs in Boston, MA look for?

The top searched job categories for Fastapi Developer jobs in Boston, MA are:

What cities near Boston, MA are hiring for Fastapi Developer jobs?

Cities near Boston, MA with the most Fastapi Developer job openings:

Fastapi Developer jobs near you
Infographic showing various Fastapi Developer job openings in Boston, MA as of August 2026, with employment types broken down into 80% Full Time, 5% Part Time, and 15% Contract. Highlights an 82% Physical, 6% Hybrid, and 12% Remote job distribution, with an average salary of $119,394 per year, or $57.4 per hour.

Senior Software Engineer

Paperless Parts

Boston, MA • On-site

$133K - $175K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 11 days ago

Job description

Paperless Parts is a SaaS startup helping manufacturers quote faster and win more work. From rockets to medical devices, we power the parts that move the world forward.
This position requires activities that are subject to US Export Control Laws and require US Citizenship or Green Card Holder.
About the Role
Join our engineering team as a Senior Software Engineer and play a crucial role in building the solutions that power manufacturing shops. You'll work across the full stack - designing backend services and building rich, user-facing experiences - and take ownership of meaningful slices of the product. You'll work with a modern tech stack, solve complex problems, mentor other engineers, and help shape how we adopt AI across our engineering workflow. This role is ideal for engineers who pair technical excellence with a drive for customer impact.
Who You Are
  • Technically Excellent: You combine deep technical skill with a passion for delivering value to customers, and you build scalable, maintainable systems that meet real-world needs.
  • Customer-Driven Innovator: You thrive in environments that encourage innovation and you're driven to build products that make a difference.
  • AI-Fluent with Good Judgment: You use AI tools to multiply your output while owning the quality, reliability, and security of what you ship, and you know when to lean on them and when not to.
  • Lifts the Team: You help the engineers around you get better, sharing what you know and raising the bar through code review and mentorship.

Why You'll Love Working Here
  • Customer-Centric Focus: We put our customers at the center of everything we do. Your work will directly contribute to their success.
  • Modern Technology: We work across a modern stack - Python (Django and FastAPI), TypeScript and React, PostgreSQL, and AWS - and we're actively investing in how AI can accelerate our software development lifecycle.
  • Complex and Meaningful Challenges: Our software is used in critical industries like aerospace and defense, requiring robust, secure, and scalable solutions. You'll be solving problems that truly matter.
  • Collaborative and Inclusive Culture: We believe that diverse teams build better products. Our culture emphasizes collaboration, continuous learning, and mutual respect.
  • Growth Opportunities: You'll mentor others, influence technical direction, and grow with us as we scale.

What You'll Do
  • Build Across the Stack: Design, implement, and maintain scalable, high-performance features spanning Python backends and React frontends.
  • Design APIs: Develop robust, secure, versioned APIs that enable seamless integration and data access.
  • Apply AI Across the SDLC: Use AI tools fluently across the software development lifecycle - planning, coding, testing, review, and documentation - develop effective patterns for AI-assisted work, and share what works with the team.
  • Solve Complex Problems: Tackle deeply technical challenges across the stack, balancing trade-offs to deliver secure, compliant solutions that meet our customers' needs.
  • Champion Engineering Excellence: Advance our practices - testing, observability, code review, and context-first documentation - so our codebase stays high-quality, performant, and legible to both humans and AI agents.
  • Mentor and Grow Talent: Share your expertise with less experienced engineers, fostering a culture of continuous learning.
  • Collaborate Across Teams: Work closely with designers, product managers, and other engineers to deliver products that exceed customer expectations.

What You'll Bring
  • 5+ years of experience delivering impactful software, with strong object-oriented fundamentals.
  • Proficiency in a modern backend web stack, such as Python/Django or FastAPI, Node/Express, or Java/Spring.
  • Hands-on frontend experience with TypeScript and React, building and maintaining production user interfaces.
  • Hands-on experience with AWS, designing and deploying scalable, resilient cloud architectures.
  • Experience with relational and non-relational databases, with a clear sense of when to use each.
  • Strong experience with API design, development, documentation, and versioning.
  • Expertise building and deploying applications with Docker and CI/CD tooling like Jenkins.
  • Practical experience using AI coding tools in a real engineering workflow, with sound judgment about where they help and where they don't.
  • Strong communication skills, conveying complex technical concepts to technical and non-technical stakeholders.

Why Join Us?
  • Impactful Work: Your contributions will power industries critical to our society and economy, making a real difference in the world.
  • Continuous Learning: We invest in our people and offer opportunities to learn, grow, and advance their careers.
  • Supportive Culture: Our team is our greatest asset, and we foster an environment where everyone can thrive.

If you're a forward-thinking engineer eager to make a significant impact while working with a talented, driven team, we'd love to hear from you!
Salary range: $142,000 - $192,000
The job posting range is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. We may ultimately pay more or less than the posted range, and the range may be modified in the future. An employee's pay position within the salary range will be based on several factors including, but not limited to, relevant education, qualifications, certifications, experience, skills, performance, sales or revenue-based metrics, and business or organizational needs.
Paperless Parts Life
Culture: At Paperless Parts, we value intentionality, persistence and relationships. We live and breathe these values every day. As a fast-growing company, we're continually improving what we've built while still building from the ground up.
Boston Office: Our office is full of energy; people regularly collaborate to solve complex problems. We recognize that people work well in different environments and have intentionally designed our office to provide collaborative spaces and quiet focus areas. Our height-adjustable desks are set up with additional monitors, and employees are provided with the latest Apple technology to support productivity.
Our headquarters is located in downtown Boston, MA and easily accessible to most transit routes (Red/Blue/Orange/Green Line/South Station/North Station).
Encinitas Office: Our California office is our newest office which seats our West Coast sales team. The office has an open floor plan with several conference rooms to encourage collaboration with your colleagues in California and TV's to connect with those sitting in Boston or remotely. The office is walking distance from Downtown Encinitas, the Coaster train stop, and tons of activities on the 101.
Benefits: We value you and your family. With this in mind, full-time employees are provided:
  • 100% coverage of health, dental, and vision for you and your dependent
  • Competitive compensation philosophy
  • Unlimited PTO
  • 13+ paid holidays
  • Company-sponsored wellness stipend
  • Pre-tax Commuter and FSA/Dependent Care FSA
  • 401(k) plan
  • Employee recognition program

Responsible for adherence to all security and privacy requirements, rules and regulations and implement as required.
Paperless Parts is committed to cultivating an equitable, inclusive, and supportive environment for all employees. We believe this environment creates a safe space for employees to share their experiences, brainstorm ideas, and grow their careers. Paperless Parts is an Equal Opportunity & Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

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