Programista front-end

Position:
Senior Front-end Engineer

Location:
Barcelona, Spain (Hybrid – 3 days onsite per week)

Contract Type:
Freelance

Start Date:
October 2025

Duration:
Until March 2026 (extension possible)

Rate:
€420/day

ROLE OVERVIEW

We are seeking
three Senior Front-end Engineers
to join our client's eCommerce digital platform team. The successful candidates will be responsible for developing and maintaining high-performance front-end solutions, collaborating closely with cross-functional teams to deliver seamless digital experiences.

MAIN RESPONSIBILITIES

• Develop and Sustain the Front-end Codebase:
  Design and implement user flows, integrate with a headless CMS, feature flags, and central APIs.
• Create Reusable Components:
  Build modular, standardized components ensuring clean separation of concerns.
• Implement Robust Testing:
  Write comprehensive unit and end-to-end tests to ensure product stability and maintainability.
• Collaborate Cross-Functionally:
  Work alongside UX/UI designers, backend teams, and product stakeholders to deliver cohesive eCommerce solutions.
• Deploy and Enhance eCommerce Solutions:
  Develop and deploy new capabilities, market-specific customizations, and continuous improvements.
• Contribute to Product Strategy:
  Participate in defining new product requirements with Developers, Product Owners, and Solution Architects.

KEY SKILLS & EXPERIENCE

• Strong proficiency in
  React
  ,
  
  ,
  JavaScript
  , and
  TypeScript
  .
• Deep understanding of
  responsive design
  ,
  modular architecture
  , and
  modern web development principles
  .
• Experience with
  CI/CD pipelines
  and
  automated testing frameworks
  .
• Experience with
  Angular
  and
  Spartacus Composable Storefront Framework
  .
• Beneficial: Familiarity with
  SAP eCommerce
  ,
  SAP Hybris
  , or
  SAP Commerce Cloud
  integrations.

REQUIREMENTS

• Must
  reside in the Barcelona area
  (3 days per week onsite at client premises).
• Must have
  own equipment/laptop
  (freelance setup).
• Languages:
  Advanced English and Spanish (both required).

CONTRACT DETAILS

• Duration:
  October 2025 – March 2026
• Extension:
  Possible after initial term
• Daily Rate:
  €420/day
• Positions Available:
  3

Would you like me to prepare a
short version (for LinkedIn or job board posting)
or keep this as the
formal long format (for client submission and CV matching)
?