Senior Full-Stack Web Developer (Hands-On)

KNGLOO
Municipality of Sant Boi de Llobregat, Spain
29 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior
Compensation
€ 60K

Job location

Municipality of Sant Boi de Llobregat, Spain

Tech stack

PHP
API
User Authentication
Software Bug Management
Databases
DevOps
Document Management Systems
Web Development
Payment Systems
Python
Node.js
Performance Tuning
Systems Integration
Web Applications
Web Platforms
React
Backend
Vue.js
Production Code
Front End Software Development

Job description

We are hiring a Senior Full-Stack Web Developer with strong hands-on coding experience and light team or vendor leadership exposure. This role is responsible for building, launching, and maintaining two core web platforms:

  1. a new vehicle brand website, and
  2. the Kngloo digital platform.

This is a builder-first role. You are expected to write production code yourself, take technical ownership, and oversee external developers or agencies when required. This is not a pure management role.

Key Responsibilities

Hands-On Development

  • Design, develop, and deploy modern, production-ready web applications
  • Build and maintain frontend and backend components
  • Write clean, maintainable, and scalable code
  • Manage deployments, hosting, and basic DevOps workflows
  • Own post-launch maintenance, performance optimization, and bug fixing

Technical Ownership & Coordination

  • Own the technical architecture and overall codebase
  • Make pragmatic technology and stack decisions
  • Review and approve code from external contractors or agencies
  • Coordinate with third-party developers when additional capacity is required
  • Maintain documentation, coding standards, and best practices

Collaboration

  • Work closely with internal stakeholders to translate business requirements into technical execution
  • Provide technical guidance when working with designers, vendors, or contractors

Requirements

Do you have experience in React?, Must-Have

  • 6+ years of professional web development experience
  • Strong hands-on experience as a Full-Stack Web Developer
  • Proven experience building and launching websites end-to-end
  • Experience owning projects with minimal supervision
  • Some exposure to leading or coordinating developers (internal or external)
  • Solid working proficiency in English (spoken and written)
  • Ability to work on-site in Sant Boi de Llobregat, Barcelona

Technical Skills (stack flexible)

  • Modern frontend frameworks (React, Vue, or similar)
  • Backend development (Node.js, Python, PHP, or equivalent)
  • APIs, databases, authentication, and integrations
  • CMS or headless CMS experience
  • Deployment, hosting, and basic infrastructure management

Nice to Have

  • Experience with e-commerce or digital platforms
  • Exposure to payment systems or third-party integrations
  • Startup or scale-up experience

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