Historical snapshotmid (2–5 yrs)Captured Oct 5, 2026, 11:09 a.m.

Full Stack Developer (Python & React)

Fact Finders Pro

Location
Seattle, WA, United States · Remote
Compensation
Not stated in this snapshot
Employment
Contract
Experience level
MID (2–5 years exp)
Specialization
Full Stack, Wellfound
Source
Wellfound

Job description:

Role: Sr. Full Stack Developer(Python & React)

Role Type: Contractor (6-Month Contract)

Role Overview:

Fact Finders Pro is dedicated to combating misinformation and restoring trust in

the digital age. We are developing a fact-checking application powered by

generative AI to help users verify information across diverse domains.

Our app development team integrates Large Language Models (LLMs) into the

application to deliver business logic, refine outputs, and create a seamless user

experience. Developers will leverage vibe-coding tools to optimize code creation

and application management.

Role and Responsibilities

As a Full Stack Developer, you will:

  • Develop and maintain the application using React for the front end, Agentic workflows and back-end integrations using APIs, and MCP.
  •  Integrate frontend applications with backend REST APIs, ensuring reliable data flow.
  • Write and maintain unit and integration tests using frameworks like Jestor React Testing Library.
  •  Collaborate with the team to design, implement, and test features that interact with LLMs.
  •  Optimize generative AI technology integration into application workflows.
  •  Write clean, maintainable, and testable code adhering to best practices.
  •  Conduct unit testing using frameworks like Pytest to ensure high-quality code.
  •  Apply software and AI design patterns and architectural principles commonly found in Java and .NET frameworks.

Mandatory Skills and Qualifications

  •  Proficiency in Python and React.
  •  Strong understanding of software design patterns, particularly MVC.
  •  Familiarity with unit testing frameworks in Python, such as Pytest.
  •  Ability to work as a self-starter in a remote environment with limited supervision.
  •  Experience deploying or architecting applications in AWS Cloud environment.

Preferred Skills

 Experience with Machine Learning (ML) algorithms and ML engineering.

 Knowledge of generative AI tools and methodologies.

 Familiarity with the application of generative AI in software development.

 Familiarity with developing Agentic applications leveraging Crew, Lang Chain or a similar framework ** Additional Information:**

This role is structured as a contract engagement and includes participation in the company’s Profits Interest Unit (PIU) program. PIUs provide contributors the opportunity to share in the future growth and success of the company as key milestones are achieved. Units vest based on the successful completion of agreed project deliverables and represent participation in future profit and value appreciation above a defined threshold. Please note that this is an independent contractor role and does not include employee benefits.