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Threecolts

Senior Software Development Engineer

Threecolts
Netherlands · Full-time · Mid-Senior

Location: Remote (EU/UK)

Type: Full-time, Contractor

Salary: $80,000

Threecolts is a fast-growing SaaS company powering tools for marketplace sellers across Amazon, Walmart, and more. We’re looking for a Senior Software Development Engineer to lead the technical direction of three key products: Marketplace Pulse, ChannelReply, and Helpdesk. This is a hands-on role with full ownership of system design, architecture, and decision-making across live, high-scale applications.

You’ll work closely with cross-functional teams, manage engineering priorities, and act as the main point of contact for technical and product-related matters.

Key Responsibilities

  • Own technical leadership across three core products
  • Design and guide scraping architecture (Python/Playwright/Flask) for large-scale seller data extraction (Amazon, Walmart)
  • Optimize infrastructure, Docker usage, and resource efficiency in web scraping workflows
  • Oversee integration of 9+ marketplaces with 8 helpdesks in ChannelReply (PHP, Laravel)
  • Build and maintain roadmaps for Helpdesk and ChannelReply in collaboration with product stakeholders
  • Triage support and feature requests; solve directly or delegate to developers
  • Handle technical compliance questions (e.g. GDPR), data security, and infrastructure monitoring
  • Coordinate across engineering, product, support, and leadership teams
  • Manage a small team
  • Hire and onboard developers as needed

Tech Stack

  • Python, Playwright, Flask
  • PHP (Laravel, Zend Framework)
  • MySQL, Redis
  • Docker, Heroku,Sentry, Linux-based infrastructure
  • Multi-core parallel processing servers
  • Experience with ElasticSearch is a plus

You Should Have

  • 7+ years in backend development with strong experience in Python and/or PHP
  • Proven ability to manage high-scale systems and resource-heavy applications
  • Experience with scraping tools (Playwright, Selenium, etc.)
  • Strong architecture, planning, and prioritization skills
  • Ability to work independently, make decisions, and lead technical execution
  • A background in e-commerce or experience with helpdesk platforms is a plus.
  • Clear communication across technical and non-technical teams

Why Threecolts

  • High-impact, high-ownership role across live products
  • Fast-moving, remote-first company (40+ countries)
  • Real autonomy with smart, supportive teams
  • Opportunity to lead across product, infrastructure, and technical vision

Key Skills

Ranked by relevance

elasticsearch selenium laravel python docker linux gdpr saas php
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Posted
Jul 11, 2025
Type
Full-time
Level
Mid-Senior
Location
Amsterdam
Company
Threecolts

Industries

IT Services IT Consulting

Categories

Other

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