Front End Tech Lead

SQLI; Barcelona; Híbrido; EUR 60.000 - 80.000; Jornada completa

Descripción de la vacante

A leading digital services company in Spain is seeking a Front-End Architect / Tech Lead with strong ReactJS and NextJS expertise to drive architectural decisions on high-impact eCommerce projects. The ideal candidate will have a minimum of 10 years in front-end development, a strong track record in technical decision-making, and experience with design systems. This role offers a permanent contract, competitive salary, and hybrid work options.

Servicios

Competitive salary

Flexible Remuneration (Meal vouchers, public transport)

Private health insurance

Yearly training and certification budget

Intensive working hours on Fridays

Full salary coverage for sick leave

Formación

• Minimum of 10 years of experience in front-end development.
• At least 4 years of active experience working with ReactJS.
• 2 recent years with NextJS (modern versions 13 or higher).
• Strong experience in technical decision-making and front-end architecture.

Responsabilidades

• Define and maintain robust front-end architecture aligned with modern best practices.
• Make strategic technical decisions on frameworks and libraries.
• Lead initiatives on microfrontend adoption and integration.
• Coordinate with large cross-functional teams on high-scale projects.

Conocimientos

ReactJS

NextJS

Front-End Development

HTML5

CSS

JavaScript

Bootstrap

Herramientas

Node.js

Redux

Angular

Sass

Descripción del empleo

Overview

We are looking for a Front-End Architect / Tech Lead with strong hands‑on knowledge of ReactJS and NextJS to lead the decision‑making process for creating a new front‑end framework from scratch. Working autonomously you will implement front‑end architectural decisions on high‑impact eCommerce projects, promote best practices and ensure the scalability and performance of our applications.

What is this all about

Technical Leadership & Architecture

• Define and maintain robust front‑end architecture aligned with modern best practices.
• Make strategic technical decisions on frameworks, libraries and performance optimisation.
• Lead initiatives on microfrontend adoption and integration where applicable.

ReactJS & NextJS Expertise

• Drive development using ReactJS (minimum 4 years of hands‑on experience) and NextJS (latest versions 13).
• Implement advanced features such as SSR, SSG and ISR for high‑performance applications.
• Ensure seamless integration of NextJS capabilities for SEO and scalability.

Design Systems

• Lead or co‑create enterprise‑level design systems to ensure consistency and reusability.
• Establish component libraries and enforce UI / UX standards across teams.

Team Collaboration & Scale

• Coordinate with large cross‑functional teams on high‑scale projects.
• Mentor developers, review code and enforce best practices for maintainability and scalability.

Performance & Quality

• Optimise application performance through code splitting, caching and lazy loading.
• Oversee implementation of automated testing (unit, integration and E2E) and CI / CD pipelines.
• Monitor and improve Lighthouse scores and accessibility compliance.

Innovation & Continuous Improvement

• Stay ahead of emerging trends in front‑end technologies and microfrontends.
• Introduce modern architecture patterns and tools to improve delivery speed and quality.

Qualifications : Who are you

• Minimum of 10 years of experience in front‑end development.
• At least 4 years of active experience working with ReactJS and at least 2 recent years with NextJS (modern versions 13 or higher).
• Strong experience in technical decision‑making and front‑end architecture definition.
• Knowledge and hands‑on experience with Design Systems (ideally having led or co‑created one).
• Experience working in large teams or on high‑scale projects.
• Knowledge of microfrontends is a highly valued plus.
• Experience in performance, SSR / SSG, CI / CD, testing and modern architecture best practices will also be valued.

Additional Information :

What do we offer

• Permanent contract.
• Competitive salary.
• Flexible Remuneration (Meal vouchers, kinder garden, Public Transport / Mobility)
• Private health insurance (including dental care).
• Juno Journey Premium member platform with a lot of online learnings (certifications, courses, etc).
• Individual yearly training and certification budget.
• Onsite / Hybrid policy work.
• Work Schedule Monday to Friday.
• Intensive working hours on Fridays and all week in July and August.
• Full salary coverage for sick leave.

A smooth and clear recruitment process

• CV Screening
• HR Online Interview (30 min)
• Tech Interview (45 min)
• Interview with Hiring Manager (1h)

SQLI Group ensures that applicants' personal data is processed as required by the EU General Data Protection Regulation (GDPR) and the Ley de Protección de Datos 3 / 2018 of the Spanish Kingdom. Personal data is processed for the purpose of carrying out the hiring process and joining to our talent community. You can exercise your rights in terms of General Data Protection and digital guarantees through your Data Policy.

Remote Work: No

Employment Type: Full‑time

Key Skills

Bootstrap, CSS, Front‑End Development, HTML5, React, Redux, Node.js, Angular, Less, JavaScript, backbone.js, Sass