Software Development Engineer，SDE

Location : San Francisco (Onsite / Hybrid)

About Topify.ai

Topify.ai is a Silicon Valley–based technology company pioneering Generative Engine Optimization (GEO) — the world’s first dedicated approach to optimizing brand visibility in AI-driven search .

We help clients improve accuracy, visibility, and conversion performance across LLM search, AI-driven recommendations, and multimodal generation platforms .

Backed by over $10M in funding , our team brings experience from Stanford, Kuaishou, and Tencent , blending expertise in algorithms, strategy, creativity, brand investment, and execution .

As a Founding Member + Head of Engineering , you’ll not only lead the technical direction, but also write core code yourself , working side by side with the founding team to bring the platform from 0 →1.

Responsibilities

• Hands-on coding : Take ownership of core backend and infrastructure code, ensuring high quality and performance in the critical path.
• Technical leadership : Define the technical architecture, engineering vision, and long-term roadmap for the platform.
• Backend architecture : Build a microservices ecosystem with Spring Boot 3 + Kotlin / Java , designing high-concurrency APIs, task scheduling, and access control systems.
• Data infrastructure : Design and optimize PostgreSQL models and queries, powering large-scale data collection, ETL pipelines, and real-time analytics.
• System evolution : Drive caching, messaging, CI / CD, and containerized deployment, ensuring performance and scalability.
• Team building : While coding, help build and mentor an engineering team, shaping the company’s engineering culture and practices.
• Cross-functional collaboration : Work closely with frontend and algorithm teams to integrate LLM-driven intelligence into data analytics products.

Requirements

Nice to Have

What We Offer

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