Senior Backend Software Engineer (Ruby on Rails)

SORTLIST SA

📍 Wavre, Walloon Region, Belgium

CDI Computer Occupations Posted February 22, 2026

Job Description

About Sortlist


At Sortlist, we connect businesses with the right marketing and creative agencies.


Our mission is to help teams make better decisions, faster — by combining technology, data, and human expertise.


We’re a fast-moving, product-led company with a strong engineering culture built around autonomy, technical excellence, and impact.


Your Role


As a Senior Backend Software Engineer, you’ll be a cornerstone of one of our two cross-functional tribes, helping us evolve our Ruby on Rails-based platform and shape the future of B2B matchmaking.


This role goes beyond writing code — you’ll act as a technical leader, bringing product thinking, architectural clarity, and operational excellence. You’ll help guide technical direction, ensure long-term maintainability, and men...