

Fact Finders Pro
Senior Ful Stack Developer Contractor Role – PIU Based Compensation (No Salary)
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is a Senior Full Stack Developer contractor position for 6 months, offering compensation through a Profits Interest Unit. Key skills include proficiency in Python, React, AWS, and unit testing with Pytest. Remote work required.
🌎 - Country
United States
💱 - Currency
$ USD
-
💰 - Day rate
Unknown
-
🗓️ - Date
March 13, 2026
🕒 - Duration
Unknown
-
🏝️ - Location
Remote
-
📄 - Contract
Unknown
-
🔒 - Security
Unknown
-
📍 - Location detailed
United States
-
🧠 - Skills detailed
#REST API #Python #AWS (Amazon Web Services) #AI (Artificial Intelligence) #Java #Pytest #.Net #React #REST (Representational State Transfer) #ML (Machine Learning) #Unit Testing #Cloud
Role description
Role: Sr. Full Stack Developer
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.
Role: Sr. Full Stack Developer
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.






