Senior AI-Driven Full-Stack Engineer (Remote)

5Blue Software; Denmark; Remote; DKK 700,000 - 1,100,000; Full time

Benefits offered by this job

Remote work opportunities

English classes

Medical insurance

International team

Equipment provided

Accounting support

Paid time off

Flexible payment system

Job summary

5Blue Software is seeking a Senior Full-Stack Developer to join an international engineering team building AI-powered product solutions. You’ll work across frontend and backend on a B2B platform that automates security, compliance, and AI governance.

You’ll take ownership of features from design to production, contribute to architecture, and use AI-assisted tools as part of daily coding while maintaining solid engineering judgment.

Qualifications

• 5+ years of professional software development experience, with strong Node.js expertise.
• 2+ years of professional React experience with modern frontend knowledge.
• Strong TypeScript experience and API design.
• Hands-on with Express, Fastify, or similar frameworks.
• Experience with AWS, GCP, or Azure and databases (PostgreSQL, MongoDB).
• Experience building AI-powered features and using AI-assisted coding tools.
• Ability to work independently, communicate in English, and participate in agile processes.

Responsibilities

• Build end-to-end features using React, TypeScript, and Node.js.
• Deliver performant, scalable frontend experiences for a complex B2B product.
• Design and implement backend services, APIs, and integrations.
• Build and integrate AI-powered features into production.
• Contribute to system design, architecture, and technical decisions.
• Use AI-assisted development tools daily (e.g., Claude Code).
• Review, test, debug, and validate AI-generated code.
• Work with relational and non-relational databases and choose appropriate tech.
• Contribute to CI/CD, testing, deployment, and DevOps processes.
• Collaborate with Engineering and Product to clarify requirements.
• Participate in Agile ceremonies across locations/time zones.
• Communicate thought process clearly in English and discuss trade-offs.

Skills

Node.js

React

TypeScript

API design

Full-stack

AI-assisted coding

DevOps

Education

Bachelor's degree in Computer Science

Tools

Express

Fastify

Docker

Kubernetes

AWS

GCP

Azure

PostgreSQL

MongoDB

Job description

5Blue Software is seeking a Senior Full-Stack Developer to join an international engineering team building AI-powered product solutions. You’ll work across frontend and backend on a B2B platform that automates security, compliance, and AI governance.

You’ll take ownership of features from design to production, contribute to architecture, and use AI-assisted tools as part of daily coding while maintaining solid engineering judgment.