Demo

API Developer ( Python / FastAPI / Node )

Optomi
St Louis, MO Full Time
POSTED ON 12/16/2025 CLOSED ON 1/14/2026

What are the responsibilities and job description for the API Developer ( Python / FastAPI / Node ) position at Optomi?

Staff Software Engineer (.NET / AWS / Blazor)

Optomi, in partnership with a market leader in the financial sector, is seeking an API Developer for a hybrid (4 days on site, 1 remote) based in St. Louis, MO. They'd like someone with experience in Python/FastAPI, exposure to Node.js, and ability to work a hybrid structure in St. Louis.


What the right candidate will enjoy:

  • Fully remote environment with opportunity working from home!
  • Ability to work with a global consulting firm with consulting engagements for Fortune 500 clients.
  • Long-term opportunity with immediate ability to make an impact!


Experience of the right candidate:

  • Minimum 6 years of professional experience in software development.
  • Strong proficiency in Python and backend development with FastAPI (or similar frameworks like Flask), development experience with Node.js
  • Demonstrated ability to design and deliver high-performance, secure RESTful APIs.
  • Implement DevOps practices and Infrastructure-as-Code (IaC) for API development and deployment. Automate build and release pipelines (CI/CD) using tools such as GitHub Actions, manage infrastructure with Terraform/CloudFormation, and ensure smooth deployment of API services across environments.
  • Knowledge of application security practices, including Azure Entra authentication/authorization, strong knowledge of API security standards and protocols (OAuth 2.0, JWT, SSL/TLS, etc.), and experience implementing governance around API access, authorization, and data protection.
  • Comfortable with containerization concepts (Docker) and basic infrastructure scripting (Terraform, Bash, or similar) is a plus.
  • Familiarity with Node.js for building lightweight services or frontend-backend orchestration
  • Exposure to AKS (Azure Kubernetes Service) and microservice deployment strategies
  • Familiarity with API documentation tools (Swagger/OpenAPI)
  • Bachelor's degree in Computer Science, Engineering, or related field


Responsibilities of the right candidate:

  • API Development: Design, develop, test, and deploy scalable RESTful APIs using Python and the FastAPI framework.
  • Web Application Delivery: Collaborate with frontend teams to build and integrate APIs with web applications.
  • CI/CD Ownership: Build and maintain CI/CD pipelines using GitHub Actions and Azure DevOps to ensure rapid and reliable delivery of code to production.
  • Secure Development: Implement security best practices across web applications and APIs, including OAuth2, JWT, and secure coding standards.
  • Code Quality & Testing: Write clean, modular code with strong emphasis on unit testing, integration testing, and code reviews.
  • Documentation & Collaboration: Create and maintain technical documentation. Collaborate closely with architects and business teams
  • Continuous Improvement: Stay up-to-date with industry trends, frameworks, and best practices to drive continuous improvement in development and deployment practices.

Salary.com Estimation for API Developer ( Python / FastAPI / Node ) in St Louis, MO
$93,211 to $116,301
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a API Developer ( Python / FastAPI / Node )?

Sign up to receive alerts about other jobs on the API Developer ( Python / FastAPI / Node ) career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$88,790 - $110,816
Income Estimation: 
$107,385 - $134,565
Income Estimation: 
$120,936 - $155,014
Income Estimation: 
$131,745 - $167,716
Income Estimation: 
$144,503 - $184,592
Income Estimation: 
$102,541 - $137,871
Income Estimation: 
$153,752 - $200,235
This job has expired.
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Optomi

  • Optomi Jersey, NJ
  • Optomi, in partnership with a leading financial services company, is seeking a Data Architect to join their team! You will lead the design and evolution of... more
  • 4 Days Ago

  • Optomi Plano, TX
  • Optomi, in partnership with a leading mobility technology organization, is seeking a Technical Product Manager to lead product execution for a cloud-native... more
  • 4 Days Ago

  • Optomi Fort Worth, TX
  • IOC Systems Specialist Onsite | M-F 8 hr shifts (rotating on call) Optomi, in partnership with a leading AI cloud infrastructure organization, is seeking a... more
  • 4 Days Ago

  • Optomi Charleston, SC
  • Infor HCM Consultant Remote - EST Hours Optomi seeking an experienced Infor HCM Functional to support the stabilization, optimization, and adoption of a re... more
  • 5 Days Ago


Not the job you're looking for? Here are some other API Developer ( Python / FastAPI / Node ) jobs in the St Louis, MO area that may be a better fit.

  • cymertek Tysons, VA
  • API Developer LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a ... more
  • 4 Days Ago

  • Rivago Infotech Inc Irving, TX
  • Open position - 10 Role : Lead Apigee Developer Location : Charlotte, NC / Dallas, TX (Hybrid) Contract End client - Banking Experience - 10 Years Detailed... more
  • 6 Days Ago

AI Assistant is available now!

Feel free to start your new journey!