Senior Software Engineer (contract)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer based in Brazil.

This role is an opportunity to join a high-performing engineering team building scalable, high-traffic applications at the core of modern advertising technology. You will contribute to both greenfield initiatives and the evolution of existing platforms that process large-scale data and power real-time decisioning across omnichannel environments. The environment is fast-paced, collaborative, and focused on delivery quality and continuous improvement.
You will work across backend and frontend systems, contributing to architecture decisions and hands-on implementation.
The role emphasizes engineering excellence, clean scalable code, and strong collaboration with product and QA teams.
You will also experiment with modern AI tools to improve development workflows and system capabilities.
This is a remote-first position with exposure to complex distributed systems and global-scale infrastructure challenges.