# Senior Fullstack Engineer (Ruby / Python / React)
**Company:** [CrewAI](https://hotfix.jobs/companies/crewai)
**Location:** San Francisco, CA
**Experience:** 7+ years
**Skills:** Ruby, Ruby on Rails, Python, React, JavaScript
**Posted:** 2026-03-31
> Builds and maintains crewAI+ platform with Ruby on Rails backend, Python services, and React frontend. Requires 7+ years experience, especially in fullstack Ruby development, strong problem-solving, and self-management in a collaborative environment.
## Job Description
## Requirements
- At least 7 years of programming experience, with a significant portion dedicated to fullstack Ruby development.
- Extensive experience with Ruby, specifically in fullstack development.
- Strong knowledge and practical experience with Python services.
- Proficiency in React for frontend development.
- Preferred experience with the Ruby on Rails framework.
- Fluent in English with excellent verbal and written communication skills.
- Strong ability to self-manage time and priorities without constant supervision.
- Demonstrated problem-solving skills and innovative thinking.
- Ability to work collaboratively within a team and contribute to a community-focused environment.
- Flexibility to work across different programming languages and technologies as required by ongoing projects.

## Responsibilities
- Develop, maintain, and enhance the crewAI+ platform using Ruby on Rails and Python services.
- Implement and optimize frontend components using React to create dynamic and responsive user interfaces.
- Collaborate with cross-functional teams to design and deliver high-quality solutions.
- Manage and prioritize tasks effectively, ensuring timely delivery of projects.
- Participate in technical discussions, contributing to decision-making processes and best practices.
- Engage with the developer community, particularly through platforms like Discord, to foster collaboration and knowledge sharing.
- Stay updated with industry trends and emerging technologies to continuously improve our platform.

## Benefits
- Remote work flexibility.
- Unlimited time off to promote work-life balance.
- Competitive salary and equity package.
- Opportunities for professional development and growth.
- Inclusive and dynamic work culture.
**Apply:** https://hotfix.jobs/jobs/senior-fullstack-engineer-ruby-python-react-at-crewai-6a3170a2-0ca4-46af-9cb1-157e4c44f39d
**Canonical:** https://hotfix.jobs/jobs/senior-fullstack-engineer-ruby-python-react-at-crewai-6a3170a2-0ca4-46af-9cb1-157e4c44f39d