Seller Customer Service Specialist – (German Speaking)

  • Lisbon, Portugal
  • Full-Time
  • On-Site

Job Description:


Seller Customer Service Specialist – (German Speaking)

Location: Lisbon, Portugal – On-site

Start Date:8 January 2026

Working Schedule:

Phase 1:

  • Monday to Sunday
  • Shift options: 08:00–17:00 or 09:00–18:00 (rotative shifts)
  • Days Off: 2 rotational days

Phase 2 (at a later date – TBC by client):

  • 24/7 rotational shifts, Monday to Sunday

Role Overview:

As a Seller Customer Service Specialist, you will support German-speaking sellers on the platform, helping them manage their accounts, improve performance, and achieve business success. This role requires strong customer service skills combined with sales awareness and a commercial mindset, supporting sellers through guidance, issue resolution, and performance-related recommendations.

Key Responsibilities:

  • Provide customer support to sellers via email, chat, and/or phone in German and English
  • Support sellers with account-related inquiries, performance issues, and platform usage
  • Identify opportunities to influence seller success through guidance and best practices
  • Apply sales awareness to encourage adoption of platform tools and features
  • Ensure high-quality service delivery while meeting KPIs and SLAs
  • Accurately document interactions and actions in internal systems
  • Collaborate with internal teams to resolve complex seller issues

Mandatory Requirements:

  • Fluent German and advanced English
  • Minimum 1 year of experience in customer service, telesales, account management, or customer success roles connected to business development
  • Sales awareness and the ability to positively influence seller performance (mandatory)
  • Strong communication, negotiation, and relationship-management skills
  • Ability to work in rotational shifts, including weekends

Important Client Requirement:

  • Candidates must not have previously worked for ByteDance, regardless of line of business, BPO, or country.
    (Profiles with any prior ByteDance experience should not be submitted.)

Nice to Have:

  • Experience supporting online sellers, e-commerce platforms, or marketplaces
  • Familiarity with sales KPIs and performance metrics
  • Experience in B2B customer support environments

Compensation & Benefits:

  • Base Salary: 1,100€ (paid over 14 months)
  • Complexity Bonus: 100€ (paid over 11 months)
  • Meal Allowance: 7.63 € per day
  • Health Insurance: since day 1 (free after 6 months of contract.)

Accommodation – The Game Changer

  • Immediate access to a shared apartment (private room) upon arrival
  • All utilities included
  • Fixed cost of €280/month, deducted directly from your payslip
  • No deposit, agency fees, or upfront rental costs

Why Join Us:

  • Work on a global e-commerce and digital platform project
  • Develop skills in seller support, account management, and commercial operations
  • Multicultural and fast-paced work environment
  • Structured onboarding and continuous training