Senior Software Engineer - Ads Manager

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Senior Software Engineer – Ads Manager based in Canada. As a Senior Software Engineer, you will help build and scale a self-service advertising platform that enables brands, agencies, and retailers to create, manage, and optimize digital advertising campaigns. You will take ownership of high-impact engineering initiatives that improve advertiser experiences, platform reliability, and revenue growth. Working within a collaborative, cross-functional environment, you will design scalable backend services, robust APIs, and data-driven solutions while contributing to frontend integrations when needed. You will also help advance web observability, define key performance metrics, and explore AI-powered tools for automated advertising review. This role offers significant technical ownership, opportunities to influence architectural decisions, and the chance to mentor engineers while improving software quality. Join a remote-first engineering team where innovation, autonomy, and continuous improvement are central to building products at scale. Accountabilities - Lead the end-to-end delivery of high-impact engineering projects, from technical design and implementation through testing, deployment, and launch. - Design, build, and maintain scalable, reliable, and well-tested backend services and APIs supporting advertising campaign creation, creative management, optimization, and reporting. - Develop and improve the core self-service advertising platform used by brands, agencies, and retailers to manage campaigns and achieve their business objectives. - Drive initiatives that improve advertiser onboarding and activation, platform health, operational efficiency, and advertising revenue growth. - Contribute to web observability initiatives and establish meaningful performance metrics to monitor system health, identify issues, and improve platform reliability.

- Explore and implement AI-powered capabilities, including automated review workflows for advertising formats, to improve product quality and operational efficiency. - Collaborate with product managers, designers, and engineers across multiple teams to translate ambiguous business requirements into clear technical plans and deliverable solutions. - Define architectural patterns, contribute to system design documentation, and make technical decisions that support scalability, maintainability, and long-term platform evolution. - Work across the technology stack when needed, integrating backend services with frontend applications and ensuring consistent user experiences. - Troubleshoot complex production issues, improve monitoring and debugging practices, and maintain a strong sense of ownership over production systems. - Mentor junior engineers, conduct thoughtful code reviews, and promote engineering standards that strengthen code quality and team effectiveness. - Participate in technical recruiting, evaluate engineering talent, and contribute to improving development processes and team collaboration. Requirements: - At least 5 years of professional software engineering experience, with a strong track record of delivering production-ready software solutions. - Strong experience building and operating backend services and APIs using modern web technologies, particularly Ruby on Rails or Go. - Solid understanding of relational databases and SQL, including data modeling, query optimization, and performance tuning. - Demonstrated experience designing and maintaining distributed systems with a focus on scalability, reliability, performance, and maintainability. - Familiarity with full-stack development and the ability to integrate backend services with frontend applications.