Senior Full Stack AI-first Saas Engineer

5Blue Software is an international engineering company currently seeking a Senior Full-Stack AI-first SaaS Engineer to join a fast-growing product team. You will work on a B2B platform focused on security, compliance, and AI governance, utilizing modern AI-assisted development workflows to build high-quality, scalable solutions.

Key responsibilities

• Build and deliver end-to-end full-stack features using React, TypeScript, and Node.js.
• Develop and integrate AI-powered product features into the SaaS platform.
• Utilize AI-assisted development tools like Claude Code to accelerate implementation, testing, and refactoring.
• Participate in system design, architectural decisions, and CI/CD processes.
• Collaborate closely with Engineering and Product teams in a distributed international environment.

Requirements

• 5+ years of professional software development experience with a strong focus on Node.js and React.
• Solid proficiency in TypeScript and experience building REST APIs.
• Proven track record of shipping AI-powered features in a production environment.
• Practical experience with AI coding assistants and a deep understanding of software engineering fundamentals.
• Excellent English communication skills (C1 or higher) for technical and architectural discussions.

What we offer

• Fully remote work environment within a supportive international team.
• Comprehensive premium medical insurance and individual English language training.
• Provision of all necessary hardware equipment for your home office.
• Generous paid time off including annual vacation and sick leave days.
• Professional accounting support and a flexible payment system.