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Junior Fastapi Developer Jobs (NOW HIRING)

Mantx LLC

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Junior Software Developer

Taylors, SC · On-site

$50K/yr

MANTX -- JUNIOR SOFTWARE DEVELOPER Mantx is a fast-growing software startup building a modern ... Python / FastAPI - Write and optimize SQL against PostgreSQL -- bonus points if you never once ...

IGNITE

JUNIOR SOFTWARE DEVELOPER

Huntsville, AL · On-site

$62K - $81K/yr

Job Title JUNIOR SOFTWARE DEVELOPER Location Huntsville, AL 35806 US (Primary) Category Engineering ... FastAPI, Pydantic, HTTPX, asyncio, and Uvicorn * Pytest and automated software testing * Docker and ...

New

GDIT

Software Engineer-Junior

Rochester, MN · Hybrid

$102K - $138K/yr

MEANINGFUL WORK AND PERSONAL IMPACT A Software Engineer-Junior assists in designing and maintaining ... Develop custom API endpoints using Flask or FastAPI. * Use SQL Alchemy to interact with Postgres ...

System One

AI Engineer

Salt Lake City, UT · On-site

Junior AI Engineer Location: Salt Lake City, Utah, United States Contract to hire role Description ... FastAPI) for model serving • Containerize and orchestrate applications using Docker and ...

System One

AI Engineer

Salt Lake City, UT · On-site

Junior AI Engineer Location: Salt Lake City, Utah, United States Contract to hire role Description ... FastAPI) for model serving • Containerize and orchestrate applications using Docker and ...

System One

AI Engineer

Salt Lake City, UT · On-site

Junior AI Engineer Location: Salt Lake City, Utah, United States Contract to hire role Description ... FastAPI) for model serving • Containerize and orchestrate applications using Docker and ...

System One

AI Engineer

Salt Lake City, UT · On-site

Junior AI Engineer Location: Salt Lake City, Utah, United States Contract to hire role Description ... FastAPI) for model serving • Containerize and orchestrate applications using Docker and ...

ACI Infotech

Sr Python Backend Developer

Manhattan, NY · On-site

... FastAPI * Integrate third-party APIs and external systems * Design and optimize SQL/NoSQL databases * Write clean, reusable, and efficient code * Perform code reviews and guide junior developers

eClerx

Junior AI Engineer

New York, NY

$100K - $120K/yr

Junior AI Engineer Location: New York, US Type: Full-time Department: Financial Markets Job Summary ... React, Next.js, FastAPI) is a meaningful bonus. In the US, the target base salary for this role is ...

eClercx

Junior AI Engineer

New York, NY · On-site

$100K - $120K/yr

Junior AI Engineer Location: New York, US Type: Full-time Department: Financial Markets Job Summary ... React, Next.js, FastAPI) is a meaningful bonus. In the US, the target base salary for this role is ...

Virtusa

Senior Python AI/ML Developer

Jersey City, NJ

$126K - $170K/yr

... junior and mid-level engineers Collaborate with product, DevOps, QA, and architecture teams ... FastAPI) Strong understanding of RESTful API design and development Experience with relational ...

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Junior Fastapi Developer information

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$24K

$89K

$137.5K

How much do junior fastapi developer jobs pay per year?

As of Jul 23, 2026, the average yearly pay for junior fastapi developer in the United States is $88,976.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,000.00 and $87,000.00 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, and why are they important?

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 are Junior FastAPI Developers?

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.
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What cities are hiring for Junior Fastapi Developer jobs? Cities with the most Junior Fastapi Developer job openings:
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Junior Fastapi Developer jobs near you
Infographic showing various Junior Fastapi Developer job openings in the United States as of July 2026, with employment types broken down into 25% Full Time, and 75% Contract. Highlights an 50% In-person, and 50% Remote job distribution, with an average salary of $88,976 per year, or $42.8 per hour.

Junior Software Developer

Mantx LLC

Taylors, SC • On-site

$50K/yr

Full-time

Medical, PTO

Posted 6 days ago

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Job description

MANTX — JUNIOR SOFTWARE DEVELOPER


Mantx is a fast-growing software startup building a modern, multi-tenant SaaS platform for the field-services industry — basically, we make the software that helps tree companies figure out which branch to cut down next, minus the chainsaw.


We ship real product every week, which is a nice way of saying "there is no such thing as a slow Friday here." We build with a senior engineering team who use modern AI-assisted development tools like Claude Code and Codex — think of them as very smart interns who never sleep, never complain, and occasionally hallucinate a function that almost works.


As a Junior Software Developer, you'll build features across our full stack — frontend, backend, and database — working directly alongside our senior software developers and senior AI engineer. You'll learn how we design, build, and ship production software, and how to use AI coding tools without letting them use you.


This is a hands-on, build-every-day role for someone eager to grow quickly. Coffee is provided. Emotional support during merge conflicts is provided informally, by whoever is closest.


WHAT YOU'LL ACTUALLY DO

- Build features across our full stack, guided by senior engineers

- Ship user-facing UI in Vue 3 + Vuetify

- Develop API endpoints in Python / FastAPI

- Write and optimize SQL against PostgreSQL — bonus points if you never once write SELECT *

- Use AI coding tools like Claude Code and Codex daily


WHAT WE'RE LOOKING FOR

- Solid software fundamentals — data structures, Git, HTTP, and a general sense of how a web app holds itself together without duct tape

- A strong drive to learn and grow fast — you'll get roughly one (1) week of being the new person before someone assumes you know where things are

- Hands-on experience (personal projects, internships, or professional work) in:

- Frontend (Vue, React, Angular, or similar)

- Backend (Python)

- SQL / relational databases

- Google Cloud Platform (or comparable cloud experience)

- Comfort with — or genuine eagerness to master — AI-assisted development tools like Claude Code or Codex

- Able to work on-site in Greenville, SC


NICE TO HAVE

- Personal projects or a portfolio that show you love to build things, not just watch tutorials about building things

- Vuetify, Pinia, FastAPI, SQLAlchemy, or Alembic

- Docker, Redis, real-time / WebSockets, or auth (OAuth / Keycloak / JWT)

- Prior hands-on experience shipping software with AI coding assistants