Senior Full-Stack Engineer

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)