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Fastapi Developer Jobs in Brooklyn, NY (NOW HIRING)

Hapiko

Senior+ Backend Engineer

Brooklyn, NY · On-site

... fastAPI services for device auth, user management, and webhook integrations. • Create secure ... DevOps mindset, comfortable deploying, monitoring, and scaling • Experience with GenAI/LLM ...

revin

Software Engineer

New York, NY

$140K - $180K/yr

Engineering About Revin At Revin, we're bringing AI to the built world. Millions of operators ... You'll work end-to-end across a Python/FastAPI backend, a Next.js/TypeScript dashboard, and the ...

Wise Skulls Corp.

Senior AI Engineer

Jersey City, NJ · On-site

$109K - $149K/yr

Good skills on Java or Python frameworks such as Java Springboot or Python FastAPI * Strong AI Engineering Skills with knowledge on Agent Development, RAG based system development * Experience in ...

New

Revin AI

Software Engineer

New York, NY · On-site

$140K - $180K/yr

Engineering About Revin At Revin, we're bringing AI to the built world. Millions of operators ... You'll work end-to-end across a Python/FastAPI backend, a Next.js/TypeScript dashboard, and the ...

Lev

Senior Backend Engineer

New York, NY · On-site

The Role We are looking for a passionate problem solver to join our engineering team. In this role ... Have demonstrable experience building Python APIs in Flask or FastAPI.. * A desire to work in a ...

Morgan & Morgan, P.A.

Software Engineer

New York, NY

Design and implement scalable, robust systems across the backend (Python/FastAPI), frontend (React ... Lead code reviews, design reviews, and engineering discussions that result in thoughtful, well ...

Photon

Sr Gen AI Engineer - NY/NJ

Manhattan, NY · On-site

Python, FastAPI, and Asynchronous Programming. RAG & Data: PostgreSQL, Vector Databases, and Advanced Retrieval strategies. ML/DL: PyTorch, TensorFlow, and Model Fine-tuning. Deployment: Docker ...

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How much do fastapi developer jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for fastapi developer in Brooklyn, NY is $55.56, according to ZipRecruiter salary data. Most workers in this role earn between $42.45 and $67.98 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.
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Fastapi Developer jobs near you

Senior+ Backend Engineer

Hapiko

Brooklyn, NY • On-site

Full-time

Re-posted 24 days ago

Job description

Job Summary:
Hapiko is a Brooklyn-based company building the future of play. They are seeking a Senior Backend Engineer to own and evolve the real-time infrastructure behind Stickerbox, an AI-powered voice-to-sticker printer, while managing thousands of concurrent connections and orchestrating machine learning pipelines.
Responsibilities:
• Own, evolve, and scale the real-time infrastructure behind Stickerbox: an AI-powered voice-to-sticker printer already serving thousands.
• Architect and maintain the systems that connect thousands of devices, manage real-time audio pipelines, and power the experiences that make everything just work.
• Monitor and observe to keep our infrastructure healthy.
• Design and implement fastAPI services for device auth, user management, and webhook integrations.
• Create secure RESTful APIs that are a joy to work with.
• Integrate reliably with external ML services and build data pipelines that feed our evaluation systems.
• Develop CI/CD pipelines that give the team confidence to ship fast.
• Make architecture decisions that balance performance, cost, and maintainability.
• Develop alerts, runbooks, and on-call practices that let the team sleep at night.
Qualifications:
Required:
• 5+ years building and shipping backend systems in Python
• Deep experience with FastAPI and asyncio patterns
• Strong PostgreSQL skills, including schema design
• Hands-on experience with Redis (caching, queues, pub/sub)
• Track record of designing reliable distributed systems
• A DevOps mindset, comfortable deploying, monitoring, and scaling
• Experience with GenAI/LLM pipelines deployed in production
• Clear communication skills; can translate technical tradeoffs for the team
Preferred:
• Worked with Elixir/Phoenix and enjoy managing concurrency
• Built software for IoT or custom hardware devices
• Managed real-time systems and streaming data
• Experience with streaming protocols and media formats
• Tuned ML pipelines with prompt engineering and evals
Company:
Hapiko develops AI-powered consumer software products that enhance digital experiences for users. Founded in , the company is headquartered in New York, USA, with a team of 2-10 employees. The company is currently Early Stage.

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