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Fastapi Developer Jobs in Missouri (NOW HIRING)

Walmart

(USA) Staff, Data Scientist

Noel, MO · On-site

$110K - $220K/yr

Develop and maintain microservices (Python/FastAPI and Java/Spring Boot), REST and GraphQL APIs, and optimization engines using modern software engineering best practices. * Partner cross ...

Walmart

(USA) Staff, Data Scientist

Cassville, MO · On-site

$110K - $220K/yr

Develop and maintain microservices (Python/FastAPI and Java/Spring Boot), REST and GraphQL APIs, and optimization engines using modern software engineering best practices. * Partner cross ...

MasterCard

Senior AI Engineer

O Fallon, MO · Hybrid

$97K - $134K/yr

Excellent Python engineering skills including async programming, API development (FastAPI), and building inference-ready microservices; SQL proficiency required. Hands-on experience with cloud AI ...

Jobgether

As a Back-End Engineer, you will join a cross-functional engineering squad building and scaling a ... Strong proficiency in Python and experience with a Python web framework, preferably FastAPI.

Mastercard, Inc.

Senior AI Engineer

O Fallon, MO · On-site

$97K - $134K/yr

Title and Summary Senior AI Engineer Mastercard's Business & Market Insights (B&MI) group empowers ... FastAPI), and building inference-ready microservices; SQL proficiency required. • Hands-on ...

Omni Federal

Software Engineer

Saint Louis, MO · On-site

Experience building backend web services using FastAPI or Node.js * Experience working with ... Experience as a full-stack developer, including Web Services, Database, and Front-End Development

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$16

$49

$76

How much do fastapi developer jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for fastapi developer in Missouri is $49.56, according to ZipRecruiter salary data. Most workers in this role earn between $37.88 and $60.67 per hour, depending on experience, location, and employer.

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 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 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 most commonly searched types of Fastapi Developer jobs in Missouri?

The most popular types of Fastapi Developer jobs in Missouri are:

What are popular job titles related to Fastapi Developer jobs in Missouri?

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

What job categories do people searching Fastapi Developer jobs in Missouri look for?

The top searched job categories for Fastapi Developer jobs in Missouri are:

What cities in Missouri are hiring for Fastapi Developer jobs?

Cities in Missouri with the most Fastapi Developer job openings:

Fastapi Developer jobs near you
Infographic showing various Fastapi Developer job openings in Missouri as of August 2026, with employment types broken down into 81% Full Time, 5% Part Time, and 14% Contract. Highlights an 79% Physical, 6% Hybrid, and 15% Remote job distribution, with an average salary of $103,091 per year, or $49.6 per hour.

Software Engineer with Security Clearance

Omni Federal

Saint Louis, MO • On-site

Other

Posted 13 days ago

Job description

Job Description Job Title: Software Engineer Location: St. Louis, MO Security Clearance: Active TS/SCI (or SCI eligibility) We question. We listen. We adapt. Be honest. Be pragmatic. Omni Federal , a Washington, DC-based software solutions provider founded in 2017, specializes in delivering mission-critical and enterprise solutions to the federal government. Originating from the Department of Defense's software factory ecosystem, Omni focuses on Command and Control, Cybersecurity, Space, Geospatial, and Modeling & Simulation. The company leverages commercial technology to enhance the capabilities of the DoD, IC, and their end-users, with innovation driven by its Omni Labs and SBIR Innovation centers. Omni has a presence in Washington D.C., Boston, MA, Colorado Springs, CO, San Antonio, TX, and St. Louis, MO. Why Omni? * Environment of Autonomy
* Innovative Commercial Approach
* People over process We are looking for a passionate and mission-focused Principal Software Engineer to join our Geospatial Center of Excellence. This is a unique opportunity to be part of an exciting initiative at NGA, where modern software development practices are being used to address critical mission challenges for the agency and its users. You will be working with a modern technology stack, rapidly developing intelligence analysis products, and contributing to a culture of innovation. We seek candidates who are energized by modern architectures and eager to solve challenging client problems. https://trajectorymagazine.com/software-is-core-to-ngas-mission/ Required Skills: * 5+ years of software development experience or 3+ with a Masters Degree
* Hands-on experience with Python in production application development environments or building large-scale ETL/data pipelines (beyond basic scripting)
* Experience with containerized application development and deployment using Docker or Podman on Kubernetes/OpenShift environments
* Experience with Git-based source control and GitLab CI/CD pipelines, including automated testing and deployment
* Experience with web services architecture, design, and development, including microservice architectures
* Experience with database design including relational, spatial, and NoSQL databases
* Experience with Agile methodologies, serving as a Scrum or team lead
* Active Top Secret clearance with SCI eligibility
* Bachelor's Degree in Computer Science or related field Nice to Have : * Experience building backend web services using FastAPI or Node.js
* Experience working with frontend JavaScript technologies (React, TypeScript, Angular, Node.js, etc.).
* Experience with React is highly preferred
* Experience with scientific Python libraries such as TensorFlow, SciPy, or Scikit-learn
* Experience developing cloud-native applications and services within AWS, including S3, ECR, Lambda, and SQS
* Experience with Spring applications
* Experience as a full-stack developer, including Web Services, Database, and Front-End Development
* Experience working with and developing Geospatial Information Systems (GIS), including open-source and proprietary geospatial formats

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