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Junior Fastapi Developer Jobs in Hillside, NJ (NOW HIRING)

Traversal

AI Engineer - Backend

Manhattan, NY · On-site

Provide technical leadership and mentorship to junior engineers, helping to grow a strong backend ... such as FastAPI. • Experience deploying applications on AWS, working with ECS or Kubernetes ...

Virtusa Corporation

Senior Consultant

Jersey City, NJ · On-site

... mentorship to junior and mid-level engineers • Collaborate with product, DevOps, QA, and ... FastAPI) • Strong understanding of RESTful API design and development • Experience with ...

NxT Level

Senior Software Engineer, Backend

Manhattan, NY · Remote

$170K - $230K/yr

Ship complex backend services using FastAPI with MongoDB and/or Postgres * Build APIs and ... Collaborate with senior engineers and mentor junior developers as the team scales What Our Client ...

NxT Level

Senior Software Engineer, Backend

Manhattan, NY · On-site

$170K - $230K/yr

Ship complex backend services using FastAPI with MongoDB and/or Postgres * Build APIs and ... Collaborate with senior engineers and mentor junior developers as the team scales What Our Client ...

OneStream

Senior AI Engineer

Manhattan, NY

$115K - $157K/yr

Lead code reviews, provide technical guidance, and mentor junior engineers. * Plan out product ... Experience with webservices and API frameworks (Flask, FastAPI, etc.). * Knowledge of distributed ...

OneStream

Senior AI Engineer

Manhattan, NY · On-site

$130 - $190/hr

Lead code reviews, provide technical guidance, and mentor junior engineers. * Plan out product ... Experience with webservices and API frameworks (Flask, FastAPI, etc.). * Knowledge of distributed ...

Mosaic.tech

Senior Software Engineer

Manhattan, NY · On-site

$140 - $190/hr

... junior developers and liaising across other business units. What You'll Do * Lead the design and ... Backend expertise with modern frameworks such as Django, FastAPI, or Node.js, along with strong SQL ...

Pryzm

Senior Software Engineer

Manhattan, NY · On-site

$130 - $190/hr

... junior developers and liaising across other business units. What You'll Do * Lead the design and ... Backend expertise with modern frameworks such as Django, FastAPI, or Node.js, along with strong SQL ...

OneStream

Lead AI Engineer

Manhattan, NY

$112K - $148K/yr

Lead code reviews, provide technical guidance, and mentor junior engineers. * Plan out product ... Experience with webservices and API frameworks (Flask, FastAPI, etc.). Knowledge, Skills, and ...

Raas Infotek LLC

Senior AI/ML Engineer

Jersey City, NJ · On-site

$109K - $149K/yr

Mentor junior and mid-level AI/ML engineers. * Communicate technical solutions and recommendations ... FAISS, FastAPI, REST API, Microservices, SQL, NoSQL, Data Science, Model Deployment, Model ...

New

Traversal

AI Engineer - Backend

New York, NY · On-site

$150K - $300K/yr

Provide technical leadership and mentorship to junior engineers, helping to grow a strong backend ... Strong experience with Python and web frameworks such as FastAPI. * Experience deploying ...

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Showing results 21-40

All JobsFastapi Developer JobsJunior Fastapi Developer JobsJunior Fastapi Developer Jobs in Hillside, NJ

Junior Fastapi Developer information

See Hillside, NJ salary details

$24.4K

$90.3K

$139.6K

How much do junior fastapi developer jobs pay per year?

As of Aug 14, 2026, the average yearly pay for junior fastapi developer in Hillside, NJ is $90,330.00, according to ZipRecruiter salary data. Most workers in this role earn between $68,000.00 and $88,300.00 per year, depending on experience, location, and employer.

What is the difference between Junior Fastapi Developer vs Junior Python Developer?

AspectJunior Fastapi DeveloperJunior Python Developer
Required CredentialsBasic Python knowledge, familiarity with FastapiBasic Python knowledge, possibly some frameworks
Work EnvironmentWeb backend development, API creationGeneral software development, scripting
Employer & Industry UsageTech companies, startups, web servicesBroad industry, including data analysis, automation
Common Search & ComparisonYesYes

The main difference is that a Junior Fastapi Developer specializes in building APIs using Fastapi, while a Junior Python Developer has broader Python programming skills without specific focus on web APIs. Fastapi developers typically work in web backend environments, whereas Python developers may work across various domains.

What are some typical challenges a Junior FastAPI Developer may face when joining a new team?

As a Junior FastAPI Developer, you may encounter challenges such as adapting to established codebases, understanding the team's API design patterns, and ensuring your code aligns with both FastAPI best practices and your organization's standards. Collaborating closely with senior developers and participating in code reviews can help accelerate your learning process. Additionally, you may need to quickly familiarize yourself with related tools such as Docker, Git, and testing frameworks, as well as the team's workflow for deploying and maintaining APIs in production environments.

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

To thrive as a Junior FastAPI Developer, you need foundational knowledge of Python programming, RESTful API concepts, and experience working with FastAPI frameworks, supported by a relevant degree or coding bootcamp. Familiarity with Git for version control, SQL or NoSQL databases, and containerization tools like Docker is typically expected. Strong problem-solving skills, eagerness to learn, and effective communication make candidates stand out in collaborative development environments. These competencies ensure efficient, high-quality API development and seamless teamwork in agile software projects.

What is a Junior FastAPI Developer?

Junior FastAPI Developers are entry-level software engineers who specialize in building web applications and APIs using FastAPI, a modern Python web framework. They are responsible for writing, testing, and maintaining backend code, often under the guidance of more experienced developers. Their tasks typically include developing RESTful APIs, integrating databases, and ensuring application performance and security. Junior FastAPI Developers usually have a basic understanding of Python, web technologies, and REST principles. They play an important role in supporting projects, learning best practices, and growing their technical skills.

What are popular job titles related to Junior Fastapi Developer jobs in Hillside, NJ?

For Junior Fastapi Developer jobs in Hillside, NJ, the most frequently searched job titles are:

What cities near Hillside, NJ are hiring for Junior Fastapi Developer jobs?

Cities near Hillside, NJ with the most Junior Fastapi Developer job openings:

Junior Fastapi Developer jobs near you
Infographic showing various Junior Fastapi Developer job openings in Hillside, NJ as of June 2026, with employment types broken down into 90% Full Time, 2% Part Time, 1% Temporary, and 7% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $90,330 per year, or $43.4 per hour.

AI Engineer - Backend

Traversal

Manhattan, NY • On-site

Full-time

Re-posted 27 days ago

Job description

Job Summary:
Traversal is an AI Site Reliability Engineer for enterprises, focused on preventing complex production incidents. As a Backend AI Engineer, you will design and build core systems for real-time incident detection and automated remediation, collaborating with AI and infrastructure teams to optimize performance and support global enterprises.
Responsibilities:
• Backend System Design & Architecture: Lead the design and implementation of scalable, robust backend systems to support AI agents and observability tools.
• API Development: Design and implement high-performance APIs to enable seamless communication between backend systems and frontend interfaces.
• Data Management: Ensure efficient data storage, retrieval, and processing, leveraging technologies like PostgreSQL, Redis, or others.
• AI Integration: Collaborate with AI engineers to integrate AI-driven insights and solutions into backend systems, and take ownership of API authentication and authorization frameworks.
• Performance Optimization: Monitor, optimize, and scale backend services to handle high volumes of data while ensuring low-latency performance.
• Collaboration: Partner with frontend engineers, AI researchers, and other teams to ensure a seamless, high-performance user experience.
• Mentorship: Provide technical leadership and mentorship to junior engineers, helping to grow a strong backend engineering team.
Qualifications:
Required:
• 3+ years of software engineering experience, with a strong focus on backend development and full-stack systems.
• Proven ability to lead in fast-paced startup environments, with limited resources, shifting priorities, and minimal structure.
• Strong experience with Python and web frameworks such as FastAPI.
• Experience deploying applications on AWS, working with ECS or Kubernetes, Postgres for data storage, and S3 for large-scale object storage.
• Familiarity with observability and monitoring tools, specifically Datadog, to ensure the system is running smoothly and efficiently.
Preferred:
• Familiarity with Python-based ecosystems is a plus.
• Experience working with Agentic AI systems or in the observability domain.
• Background in large-scale, complex, data-driven applications.
• Familiarity with AI or LLM-powered products.
Company:
Traversal is building the AI SRE for the enterprise. Founded in 2023, the company is headquartered in New York, USA, with a team of 51-200 employees. The company is currently Early Stage.

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