Senior Full-stack Developer (React / Node.js)

Rimthan is a Riyadh-based corporate venture builder driving Saudi Arabia’s digital transformation in line with Vision 2030. The company launches and scales innovative digital ventures across the Middle East. Their Polish delivery hub combines European technical excellence with startup agility and enterprise-grade standards to build impactful products that reach real users fast.

• 7+ years of professional experience building production web applications with React.js and Node.js.
• Solid understanding of web development fundamentals including HTML, CSS, and JavaScript.
• Experience with AI-assisted coding methods and familiarity with AI-powered code editors such as Cursor and Windsurf.
• Experience with RESTful APIs and database design; comfortable using Git.
• Basic knowledge of Python (nice to have).
• Confident communication skills in English; Polish language skills are a bonus.
• Problem-solving mindset with strong attention to detail.
• Ability to work independently and in a team environment.
• Adaptable and open to learning new technologies.
• Passion for innovation and continuous learning.

• Develop innovative web applications using React, Node.js, and other modern technologies.
• Use AI-assisted tools like Claude Code, Cursor, and Windsurf to code smarter and ship faster.
• Design and implement scalable, robust solutions for digital ventures.
• Participate in the full development lifecycle from concept to deployment.
• Collaborate remotely with frontend developers, designers, PMs, and engineers across Poland and Saudi Arabia.
• Contribute to code reviews and technical discussions.
• Stay updated on emerging technologies, tools, and best practices in modern full-stack development.

Please be informed that the data controller is Gustav Wakeus. You have the right to request access to your personal data, their rectification, erasure or restriction of processing, the right to object to processing, as well as the right to data portability and to lodge a complaint to the supervisory authority. Personal data will be processed for the purpose of the recruitment process. Provision of data to the extent resulting from the Act of 26 June 1974 Labour Code is mandatory. In the remaining scope, providing data is voluntary. Refusal to provide mandatory data may result in the impossibility to carry out the recruitment process. The Administrator processes mandatory data on the basis of a legal obligation incumbent upon him/her, while with regard to additional data, the basis for processing is consent. Personal data will be processed until the recruitment procedure is completed and for the period of the possibility of asserting potential claims, and in the case of consent to participate in future recruitment procedures - until the withdrawal of such consent. Consent to the processing of personal data can be withdrawn at any time. The recipient of the data is the Just Join IT service and other entities to whom we have entrusted the processing of data in connection with recruitment.