Rimthan is a Riyadh-based corporate venture builder driving Saudi Arabia’s digital transformation in line with Vision 2030. We launch and scale innovative digital ventures across the Middle East.Our Polish delivery hub is a key part of this journey - a dedicated engineering powerhouse combining European technical excellence with startup agility and enterprise-grade standards. Together, we build impactful products that reach real users, fast.If you’re a Senior Full-Stack Developer who enjoys building modern web applications and working with the latest technologies across multiple projects, we’d love you to join our team and contribute to Saudi Arabia’s digital transformation using cutting-edge tools and methodologies.What you’ll do as a Senior Full-stack DeveloperDevelop innovative web applications using React, Node.js, and other modern technologies.Code smarter and ship faster with AI-assisted tools like Claude Code, Cursor/Windsurf, and any ingenious solutions you bring.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 on multiple ventures simultaneously.Contribute to code reviews and technical discussions.Stay at the forefront of emerging technologies, tools, and best practices in modern full-stack development.You might be a good fit if youHave 7+ years of professional experience building production web applications with React.js and Node.js.Have a solid understanding of web development fundamentals (HTML, CSS, JavaScript).Have experience with AI-assisted coding methods (e.g., Vibe Coding) and are familiar with AI-powered code editors such as Cursor or Windsurf.Are experienced with RESTful APIs and database design, and comfortable using Git.Are language-agnostic and eager to learn new technologies.Have basic Python knowledge (nice to have).Communicate confidently in English; Polish is a bonus, as many teammates are based in Poland.Have a problem-solving mindset and strong attention to detail.Demonstrate excellent communication skills.Are able to work independently as well as in a team environment.Are adaptable and open to learning new technologies.Have a passion for innovation and a commitment to continuous learning.Why You'll Love Working with UsAI at the Core - We’re not just using AI; we’re building AI tools that make developers 10× more productive - and you’ll be a key contributor.AI Tools Included - Claude Code on the highest plan, available for both work and personal use.Remote-First Freedom - Work full-time remotely from anywhere in Europe, with flexible hours and a culture focused on outcomes, not clock-watching.Startup Energy + Venture-Studio Stability - Tackle new ideas every quarter with the backing of an established venture builder.Competitive B2B Compensation - depending on experience, plus a dedicated learning budget.Paid Time Off - 20 days of paid vacation per year for rest and recharging.Continuous Growth - Access conferences, AI workshops, and internal hackathons to keep your skills razor-sharp.Friendly, Multicultural Team - Collaborate daily with passionate engineers and product folks who love clean code, good memes, and sharing knowledge.Ready to build the next generation of digital ventures with us? Apply now and let’s shape the future together.