Senior / Lead Full-Stack Developer — Freelance

E‑Frontiers; Milano; On-site; EUR 59,000 - 62,000; Part time

Job summary

remoteo is seeking a Senior or Lead Full-Stack Developer for a fully remote engagement from Spain. You will work on a cloud-based project using AWS, Node.js, React and TypeScript, focusing on microservices and robust testing. You’ll collaborate with international teams to deliver scalable solutions.

The contract is freelance for 12 months with a start on 1 November; rate is €320–335 per day plus VAT. Italian language is mandatory, with occasional travel to Milan (2–3 days every 3 months) as

Qualifications

• Proven experience as senior or lead full-stack developer on cloud-based projects.
• Strong proficiency in AWS, Node.js, React and TypeScript.
• Experience with microservices, CI/CD and test automation.
• Italian language mandated for this position.

Responsibilities

• Develop and maintain scalable full-stack applications.
• Collaborate with international teams and stakeholders.
• Ensure code quality, architectural integrity and robust testing.
• Deliver features end-to-end in a fast-paced remote environment.

Skills

AWS

Terraform or CloudFormation

Docker

JavaScript

TypeScript

Node.js

React

Jest or Vitest

Playwright

Clean Code

Microservices

Tools

GitHub Actions

Kubernetes

Next.js

Java

Kotlin

DDD

Job description

Location: 100% remote from Spain

Contract: Freelance / Contractor

Duration: 12 months, with possibility of extension

Start date: 1 November

Rate: €320--335/day + VAT

Language: Italian --- must-have

We're looking for a Senior or Lead Full-Stack Developer to join an international project on a fully remote basis from Spain.

Must-have experience

• AWS
• Terraform or CloudFormation
• Docker
• JavaScript & TypeScript
• Node.js
• React
• Jest or Vitest
• Playwright or another browser testing framework
• Clean Code & Clean Architecture
• Microservices

Nice to have

• GitHub Actions
• Kubernetes
• Next.js
• Java or Kotlin
• DDD

Other details

The role is fully remote from Spain, although the client may occasionally require travel to their Milan office for 2--3 days approximately every 3 months.

The interview process consists of:

1. Technical interview with our internal team
2. Final interview with the client

Please note: Italian is a mandatory requirement for this position.