Remote AI-First Full-Stack SaaS Engineer

5Blue Software; Denmark; Remote; DKK 900,000 - 1,200,000; Full time

Benefits offered by this job

Flexible remote work

1:1 English classes

Premium medical insurance

Great international team

Equipment provided

Accounting support in Ukraine/Poland

Paid time off: 18 days vacation, 7Sick

Job summary

5Blue Software is seeking a Senior Full-Stack Developer for an AI-first SaaS product. You will own features end-to-end across frontend and backend, building robust React/TypeScript and Node.js solutions with AI-powered capabilities.

You’ll join a lean, distributed international engineering team across Europe, Israel, and South Africa, working in a flexible remote setup with strong engineering practices and emphasis on security, governance, and scalable architecture.

Qualifications

• 5+ years of professional software development experience.
• Strong experience with Node.js and React in production.
• Solid knowledge of TypeScript and REST APIs.
• Experience shipping AI-powered features in production environments.
• Experience with cloud environments and CI/CD.

Responsibilities

• Build and deliver full-stack features end to end using React, TypeScript, and Node.js.
• Develop frontend experiences that are intuitive, performant, and scalable for a B2B SaaS product.
• Implement backend services, APIs, business logic, and third-party integrations.
• Develop and integrate AI-powered product features.
• Participate in system design and architectural decisions.
• Review, debug, test, and improve AI-generated code while owning implementation.
• Take responsibility for CI/CD and DevOps for features you build.
• Collaborate with Engineering and Product to define requirements and solutions.
• Participate in Agile ceremonies with a distributed international team.

Skills

Node.js

React

TypeScript

REST APIs

AI-powered features

Cloud/CI/CD

English communication

Tools

Claude Code

GitHub Copilot

Docker

Job description

5Blue Software is seeking a Senior Full-Stack Developer for an AI-first SaaS product. You will own features end-to-end across frontend and backend, building robust React/TypeScript and Node.js solutions with AI-powered capabilities.

You’ll join a lean, distributed international engineering team across Europe, Israel, and South Africa, working in a flexible remote setup with strong engineering practices and emphasis on security, governance, and scalable architecture.