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1 Sep 2025

Full-Time Senior Full-Stack Engineer

collective – Publicado por collective Barcelona, Barcelona provincia, Barcelona, Barcelona provincia

Descripción del empleo

We are looking for 2 senior Full-Stack Engineers to join our team. You will be part of the Seller Experience squad, a team dedicated to providing top-tier support and tools to sellers operating on the marketplace. The team’s main components are the back-office, which enables sellers to run their daily business, as well as the Salesforce suite and the admin-staff, used by our internal Sales team to manage and communicate with the seller pool.

The team is currently composed of 2 front-end engineers, 3 back-end engineers, 1 support specialist, 1 Salesforce engineer, 1 designer, 1 PM, and 1 EM.

  • Freelance
  • Budget: 420€
  • Bacelona
  • Híbrido
  • Solicitudes abiertas hasta el 26 de Septiembre

Mission

As a member of the Technology Office, your mission will be the end-to-end development of a project aimed at extracting the features currently hosted in Salesforce and rebuilding them either in the seller back-office or in the admin-staff.

Responsibilities

  • Work closely with the PM, designer, EM, and business team to:
  • Understand the business needs behind the current Salesforce features
  • Identify pain points related to these features
  • Define migration requirements
  • Learn the business domain
  • Collaborate closely with the Salesforce developer, IT support, and EM to:
  • Understand the current implementation of the Salesforce features
  • Determine potential fallback mechanisms to replicate information in Salesforce
  • Ensure other teams are not impacted
  • Integrate our systems with external systems and third-party applications currently connected to Salesforce
  • Perform data migration and ensure data integrity across our database, BigQuery, and Salesforce when necessary
  • Replicate and improve if needed the triggered, scheduled, and screen flows currently present in Salesforce and critical to our platform
  • Maintain our code quality and testing standards
  • Work closely with our BE & FE teams to:
  • Understand and follow our standards
  • Understand the current architecture
  • Maintain the Workato automations that trigger Salesforce flows and will need to be migrated into our stack

Profile

  • 5+ years of experience as a skilled developer
  • Experience with distributed systems
  • Experience with data migration and integration tools
  • Basic knowledge of infrastructure (AWS/GCP, SQL) and web patterns (CDN, caching, HTTP)
  • Ability to write optimized and performant code
  • Strong testing practices and clean code principles
  • Solid documentation skills
  • Strong analytical and problem-solving skills
  • Excellent communication skills in English, able to adapt to different audiences
  • Curious, proactive mindset with humility and strong team spirit

Required Skills

  • Mandatory:
  • Strong expertise in one of the following:
  • Python technologies
  • JavaScript & Vue 3, Nuxt, and TypeScript
  • Knowledge of:
  • SQL
  • APIs
  • CI environments
  • Cloud platforms
  • Messaging & event queues (RabbitMQ & Kafka)
  • Asynchronous architectures
  • Third-party integrations
  • Monitoring tools (Datadog or similar)

English Fluent

Nice to Have

  • Experience working with JIRA
  • Salesforce experience
  • Low-code development (Workato)
  • Coding experience in Go

Organization

2 days/month in Barcelona

6 month rewable (visibility ~ 2y)

  • Barcelona, España
  • Indefinido, Freelance
  • > 5 años experiencia
  • 0
  • ingles ()
  • 0 ()

Categorías de trabajo: Programador. Tipo de trabajo: Full-Time. Salarios: Salario no revelado.

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