Senior Backend Engineer

Join to apply for the Senior Backend Engineer role at Vantage About The Role Vantage is hiring a Senior Backend Engineer. In this role you will focus on building features and integrations with partner systems while acting as a backend subject matter expert and mentor for our engineering team. You will design and deliver APIs that pull data from and push data to external sources, work with large datasets, and keep our services reliable and fast. Minimum Requirements 6+ years of professional experience with a strong record in software development, testing, software design, and architecture. Advanced SQL expertise beyond an ORM user. Comfortable reading DB queries, designing indexes, tuning complex joins, and refactoring queries for reliability and speed. Strong Python and Django experience building production services and APIs. Experience as a gatekeeper for database performance in code reviews and in debugging sessions. Experience with MySQL and/or Postgres. Proven ability to troubleshoot and debug production code using logs, metrics, and traces. Experience addressing performance and optimization problems with a demonstrated ability to both diagnose and prevent issues. Experience with cloud platforms such as Azure, AWS, or GCP. Track record of effective mentoring and knowledge sharing. Experience with B2B API integrations. Bonus: Experience with Celery, RabbitMQ, and OTEL. A degree in Computer Science or a related field is a plus. Role Responsibilities Serve as one of the owners for application and database performance. Review pull requests with an eye for query cost, indexing, and data access patterns, and drive improvements across the codebase. Own external API integrations and data exchange. Build and maintain reliable partner connectors, including authentication, rate limiting, and retries. Design and evolve internal and partner-facing APIs. Design and ship backend features and services in Python and Django with predictable latency and high reliability. Diagnose production issues, lead debugging sessions, and improve observability using logs, metrics, and traces. Proactively identify performance risks, create plans to eliminate them, and coach the team on best practices to prevent regressions. Maintain strong automated test coverage and clear documentation that support safe changes and fast delivery. Mentor engineers through pairing, design reviews, and actionable feedback that raises the standard of the team. Contribute to architectural discussions and solutioning to ensure scalable and effective product decisions. About Vantage Vantage is the first unified platform purpose-built for retail media orchestration, empowering enterprise retailers to seamlessly activate onsite, offsite, and in-store advertising. With a global presence in North America and Asia‑Pacific, Vantage enables retailers to launch and grow their media networks through scalable technology and automated workflows, and is trusted by leading retailers like The Home Depot to power their retail media programs. Remote‑First, Based in Toronto Vantage is proudly headquartered in Toronto, but we’re a remote‑first team spread across North America (and beyond). Our flexible work philosophy means team members can thrive from wherever they do their best work—whether that’s from a home office, a local café, or while adding stamps to their passport. With a remote‑friendly setup, home office support, and annual company retreats, we stay connected, collaborative, and energized—no matter the time zone. Vantage’s Commitment to Diversity, Equity, and Inclusion Vantage Analytics is fueled by the diversity of our talented employees. We are an equal opportunity employer and embrace ALL individuals and what makes them unique. We believe our employees should be happy and healthy, with peace of mind and a sense of fulfillment. We encourage all individuals to apply for positions that fit their passions. Reasonable accommodations are available to job applicants on request and throughout the application process. #J-18808-Ljbffr