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Junior Fastapi Developer Jobs in Cambridge, MA (NOW HIRING)

twenty80.io

Senior Full Stack Software Engineer

Boston, MA · On-site +1

$160K - $210K/yr

Mentor junior engineers and contribute to a strong engineering culture Tech Environment The ... Backend: Node.js (Express or NestJS) and/or Python (Django or FastAPI) * Databases: PostgreSQL ...

Conga

Senior Software Engineer

Boston, MA · On-site

$133.10K - $175.50K/yr

... DevOps practices, along with the ability to mentor junior engineers and contribute to strategic ... Advanced proficiency in Python, FastAPI, PyTest, Celery, and other Python frameworks * Deep ...

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 ...

Klaviyo

Senior AI Engineer

Boston, MA

$133.10K - $175.50K/yr

You will leverage your experience to mentor and level up junior team members on engineering best ... Proficient in Python and modern web stack components such as FastAPI, Django, MySQL, Postgres.

Klaviyo

AI Engineer II

Boston, MA

$105.90K - $145K/yr

You will leverage your experience to mentor and level up junior team members on engineering best ... Proficient in Python and modern web stack components such as FastAPI, Django, MySQL, Postgres.

Anagh Technology

Solution Architect with React

Boston, MA · Remote

$68.50 - $90.25/hr

Troubleshoot and resolve technical issues, working closely with developers and stakeholders to ... Mentor and provide guidance to junior team members, fostering their growth and development.

Klaviyo

Lead AI Software Engineer

Boston, MA · On-site

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 ...

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Junior Fastapi Developer information

See Cambridge, MA salary details

$26.2K

$97.2K

$150.3K

How much do junior fastapi developer jobs pay per year?

As of May 28, 2026, the average yearly pay for junior fastapi developer in Cambridge, MA is $97,248.00, according to ZipRecruiter salary data. Most workers in this role earn between $73,200.00 and $95,100.00 per year, depending on experience, location, and employer.

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 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 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.

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 popular job titles related to Junior Fastapi Developer jobs in Cambridge, MA? For Junior Fastapi Developer jobs in Cambridge, MA, the most frequently searched job titles are:
What job categories do people searching Junior Fastapi Developer jobs in Cambridge, MA look for? The top searched job categories for Junior Fastapi Developer jobs in Cambridge, MA are:
What cities near Cambridge, MA are hiring for Junior Fastapi Developer jobs? Cities near Cambridge, MA with the most Junior Fastapi Developer job openings:
Junior Fastapi Developer jobs near you
Junior AI/ML Engineer (Remote)

Junior AI/ML Engineer (Remote)

FocusKPI Inc.

Boston, MA • Remote

Other

Posted 9 days ago

Job description

Location: Remote (EST preferred)
Type: Paid Internship or Contract (Full-time)
Start Date: Immediate

Role Overview

We are seeking a Junior AI/ML Engineer to support the development of an enterprise AI chatbot and data intelligence system. This role will focus on building interactive AI agents that connect to enterprise databases, generate insights, and support decision-making.

The position includes hands-on work in both LLM-based chatbot/agent development and machine learning, including building prediction models and integrating them into production workflows. This is a client-facing technical role requiring strong coding ability, analytical thinking, and the ability to work in a fast-paced environment.

Key Responsibilities
  • Develop and deploy AI chatbot/agent solutions for enterprise use cases
  • Integrate LLM-based agents with structured and unstructured enterprise data
  • Connect chat interfaces to SQL/enterprise databases and internal APIs
  • Build and integrate machine learning models (prediction, classification, clustering, etc.)
  • Perform data preprocessing, feature engineering, and model evaluation
  • Integrate ML outputs into chatbot or workflow interfaces
  • Support data pipeline development and automation
  • Collaborate with internal team and occasionally clients to understand requirements
  • Document model logic, workflows, and implementation details
Required Qualifications
  • Bachelor’s or Master’s degree in Computer Science, Data Science, Statistics, Engineering, or related quantitative field
  • Strong Python programming skills
  • Hands-on experience with machine learning (regression, classification, clustering, or similar)
  • Familiarity with ML libraries such as scikit-learn, pandas, numpy, or similar
  • Experience working with databases (SQL, PostgreSQL, or similar)
  • Familiarity with LLM APIs (OpenAI, Claude, or open-source models)
  • Experience building APIs or backend services (FastAPI, Flask, or similar)
  • Strong analytical and problem-solving skills
  • Ability to work independently and communicate clearly
Preferred Qualifications
  • Graduate degree or currently pursuing MS in AI, Data Science, or related field
  • Experience with agent frameworks (LangChain, LlamaIndex, LangGraph, CrewAI, etc.)
  • Experience deploying or integrating ML models into applications
  • Knowledge of vector databases or embeddings
  • Familiarity with AWS, GCP, or Azure
  • Prior internship or project experience building AI/ML applications
How to Apply

Please submit the following to danz@focuskpi.com:

  1. Resume
  2. GitHub or portfolio that includes at least one agentic or AI chatbot project
  3. A short written explanation (3–6 paragraphs) of one project, including:
    • What problem the agent/chatbot solves
    • Architecture and tools used (LLM, framework, database, etc.)
    • Your specific contribution
    • Challenges encountered and how you solved them

Candidates without project examples or explanation will not be considered.

Immediate start preferred.

NOTICE: Please be aware of fraudulent emails regarding job postings, job offers and fake checks. FocusKPI's recruiting team will strictly reach out via @focuskpi.com email domain. If you have received fraudulent emails now or in the past, please report it to https://reportfraud.ftc.gov/ .
The domain @focuskpijobs.com is fraudulent and not related to FocusKPI. Please do not not reply or communicate to anyone with @focuskpijobs.com.

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About FocusKPI

Sourced by ZipRecruiter

Industry

Computing infrastructure providers, data processing, web hosting

Company size

51 - 200 Employees

Headquarters location

Santa Clara, CA, US

Year founded

2010

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