Front End Developer

SQLI; Barcelona; Híbrido; EUR 42.000 - 66.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Hybrid work model

Competitive salary

Private health insurance

Training and certification budget

Flexible remuneration

Public Transport/Mobility

Private health insurance (including_d…

Descripción de la vacante

A leading digital agency in Barcelona is seeking a Mid-Senior Front-End Developer with experience in React and Next.js for high-impact projects. The role offers a hybrid working environment with competitive salary and various benefits. Candidates should possess strong JavaScript and performance optimization skills, along with experience in API integrations.

Formación

• Proven experience coding in large ecommerce complex React or Next.js projects.
• Deep expertise in JavaScript/TypeScript and advanced design patterns.
• Strong ability to optimize performance and manage rendering strategies (SSR, CSR, ISR).
• Solid grasp of data structures and algorithms, and how they impact front-end performance.
• Experience working with complex API integrations and modern state management.
• Capable of mentoring other developers and reviewing code with a focus on quality and scalability.

Responsabilidades

• Deploy all teams decisions in large-scale React/Next.js applications.
• Define and implement modern front-end patterns, rendering strategies, and scalable structures.
• Collaborate with backend engineers, designers, and product managers.
• Guide performance optimization through SSR, CSR, and ISR strategies.
• Contribute to design and implementation of complex API integrations and state management solutions.

Conocimientos

JavaScript

TypeScript

React

Next.js

API integrations

Performance optimization

State management

Mentoring/Code review

Descripción del empleo

1 week ago Be among the first 25 applicants

SQLI Group is a digital agency, with 30 years leading the implementation and management of digital devices for a reinvented user experience. We are over 2500 talents in more than 13 countries and 3 continents. We are a human touch company & key partner of the largest international companies with global projects.

We #Perceive #Challenge #Deliver #Inspire

Job Description

We are looking for a front-end developer with proven experience in architecture and design patterns. Working autonomously, you he/she implement front-end scripting on high-impact projects, promoting best practices and ensuring the scalability and performance of our applications.

What is this all about?

• Deploy all teams decisions in large-scale React/Next.js applications.
• Define and implement modern front-end patterns, rendering strategies, and scalable structures.
• Collaborate with backend engineers, designers, and product managers to align architectural vision with business goals.
• Guide performance optimization through SSR, CSR, and ISR strategies.
• Contribute to design and implementation of complex API integrations and state management solutions.

Main Relationships

• Frontend and Backend Developers
• Product Owners & Managers
• UX/UI Designers
• QA Engineers
• Business Stakeholders

Qualifications

Who are you?

• Proven experience coding in large ecommerce complex React or Next.js projects.
• Deep expertise in JavaScript/TypeScript and advanced design patterns.
• Strong ability to optimize performance and manage rendering strategies (SSR, CSR, ISR).
• Solid grasp of data structures and algorithms, and how they impact front-end performance.
• Experience working with complex API integrations and modern state management (Zustand, Redux, TanStack, etc.).
• Capable of mentoring other developers and reviewing code with a focus on quality and scalability.

Additional Information

What do we offer?

• Permanent contract.
• Hybrid policy work. (1 day office, 4 days home office)
• 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 on-line learnings (certifications, courses, etc).
• Individual yearly training and certification budget.
• Work Schedule Monday to Friday.
• Intensive working hours on Fridays and all week in July and August.
• Full salary coverage for sick leave.
• Relocation package.

Data protection notice

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 [e-mail]

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Information Technology

Industries

• IT Services and IT Consulting

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