Intermediate Backend Software Engineer

The Company: Placements AI is building the operating system for advertising. As a product-first company, we are transforming the way digital media publishers, broadcasters, retail media networks, and eCommerce businesses manage their advertising operations through AI-powered technology and automation. Our platform streamlines advertising sales, operations, billing, and revenue reporting, enabling customers to scale efficiently and drive greater business outcomes. We believe in creating a connected ecosystem that helps our customers modernize and simplify the complexities of advertising operations. Headquartered in New York City, Placements AI has a global footprint with offices in Seattle, London, Taipei, and Denver, as well as the APAC region. The Position: We are looking for a Intermediate Backend Engineer to join our growing engineering team in Taipei. In this hybrid role (three days per week in office), you will be a key contributor to the design, development, and maintenance of our advertising technology platform. You’ll work alongside a talented team and collaborate cross-functionally to deliver high-quality, scalable solutions that support our clients’ evolving needs. Placements.io continues to invest in platform innovation, including the integration of AI-driven features to enhance automation, predictive insights, and reporting performance. If you're passionate about backend development and excited about shaping the future of AdTech—including AI-driven automation and robust external integrations—this is an excellent opportunity. Our tech stack includes Ruby on Rails PostgresSQL Elastic search The Engineering team tackles a wide range of challenges—from big data and system scalability to improving user experience. You’ll have opportunities to work across the stack or specialize deeply in backend systems and integrations. Key Responsibilities: Design, build, and maintain robust, scalable APIs and backend services. Collaborate with product managers, designers,