Senior Full Stack Developer Needed for SaaS Product Development (React/Node/Python)

We are looking for a senior Full Stack Developer to support the development and growth of SaaS applications serving the European market.

This is a long-term collaboration opportunity for an experienced engineer who enjoys building scalable products, solving complex technical challenges, and working with modern technologies.

**About the Project**
You will contribute to SaaS platforms and AI-powered web applications, helping improve product features, scalability, performance, and user experience.

**Responsibilities**

* Build and maintain scalable SaaS applications
* Develop frontend features using React.js and TypeScript
* Design and implement backend services using Node.js and Python
* Create and integrate REST/GraphQL APIs
* Work with cloud infrastructure, databases, and deployment pipelines
* Optimize application performance and reliability
* Collaborate with product and technical stakeholders

**Required Experience**

* 5+ years of full-stack development experience
* Strong React.js, TypeScript, and JavaScript skills
* Professional Node.js backend experience
* Python experience with FastAPI, Django, or similar frameworks
* PostgreSQL and/or MongoDB experience
* AWS, Docker, and CI/CD knowledge
* Experience with SaaS platforms is highly preferred
* Experience with AI/LLM integrations is a plus
* Strong English communication skills

**Project Details**

* Long-term remote collaboration
* SaaS products targeting international/EU markets
* Flexible working schedule
* Continuous feature development and technical improvement

Please share:

* Examples of SaaS or similar products you have built
* Your availability
* Your hourly rate
* A brief summary of your relevant experience

We are looking for a reliable senior developer interested in building long-term, high-quality software products.