AI-First Lead Developer — Contentful Migration (Remote)

Valtech; Portugal; Hybrid; EUR 90,000 - 140,000; Full time

Job summary

Valtech is seeking a Lead Developer in Portugal to own the engineering delivery of a Sitecore-to-Contentful migration, covering both content and application migration. You will lead the development team, set engineering standards, and ensure a scalable, maintainable Contentful-based solution.

Ideally you are an AI-first technical leader who embeds AI-native and spec-driven development practices, improving delivery efficiency while upholding quality, security, and accountability.

Qualifications

• Extensive software engineering background with leadership of complex digital platforms.
• Proven track record in enterprise CMS migrations, replatforming or headless CMS implementations.
• Deep hands-on experience with Contentful, Sitecore and migration/integration challenges.
• Strong knowledge of React, TypeScript, API-driven architectures and modernisation.
• Experience leading teams, making technical decisions and ensuring delivery quality.
• Practical use of AI-assisted development and adoption of AI-native practices.

Responsibilities

• Lead the technical implementation of the Sitecore-to-Contentful migration across content, applications and integrations.
• Collaborate with architects to shape migration options, Contentful patterns and technical decisions.
• Guide migration and modernisation of existing apps, including React frontends and services.
• Define content modelling, transformation, migration automation and validation approaches.
• Coordinate engineering activities, manage dependencies and delivery risks.
• Remain hands-on for complex implementation and critical problem-solving.
• Champion an AI-first engineering mindset and spec-driven development practices.
• Establish security, quality and review practices for AI-generated code and migrations.

Skills

CMS migrations

Sitecore

Contentful

React

TypeScript

API architectures

AI-assisted development

Leadership

CI/CD

Tools

Next.js

Sitecore

Contentful

Sitecore JSS

Job description

Valtech is seeking a Lead Developer in Portugal to own the engineering delivery of a Sitecore-to-Contentful migration, covering both content and application migration. You will lead the development team, set engineering standards, and ensure a scalable, maintainable Contentful-based solution.

Ideally you are an AI-first technical leader who embeds AI-native and spec-driven development practices, improving delivery efficiency while upholding quality, security, and accountability.