Senior Software Engineer, AI

Unify is building the first AI-native outbound platform where agents and sellers work side by side. We help revenue teams identify buyers already in market, enrich accounts with data from 40+ sources, and execute personalized, multi-channel outreach—all from a single AI-powered workspace. Trusted by some of the most innovative go-to-market teams, Unify enables reps to spend less time on manual work and more time building relationships, delivering up to 90% time savings on list building and 19% higher output per rep. We're building a team of curious, ambitious people who care deeply about craftsmanship, move with urgency, and thrive in fast-paced environments. If you're excited about shaping the future of AI and building products that redefine how modern revenue teams work, we'd love to meet you. About the role: At Unify, we leverage AI throughout our platform to enable innovative workflows and to power the next generation of GTM. As an AI Engineer, you will bring new AI products from zero to one and build the AI platform at Unify. You will work on agents, retrieval systems, classification, fine-tuning, reinforcement learning, and LLM inference infrastructure. If you are interested in working on production AI systems and want to build cutting edge AI applications used by the best GTM teams, this role is for you. What You'll Do: - Ship novel AI projects and features end to end - Build and scale AI infrastructure to support production inference - Develop and improve engineering processes, tools, and systems to scale AI solutions across Unify - Create novel AI capabilities and push the frontiers of Agents - Collaborate with frontier labs like OpenAI to test and iterate on features and models before public release - What You Need: - You have 3+ years of software engineering experience and at least 1 year working in AI - A track record of delivering full-stack AI projects, particularly those involving production use cases of LLMs and Agents - You think empirically; running experiments and measuring outcomes drives how you develop AI products - Experience building backend systems and infrastructure that can support AI-driven products - You are customer-obsessed, creative and hungry. You have the ability to take high-level business/product ideas to deployed engineering solutions. This a salaried position with a target range of $200,000 - $280,000 (depending on experience), equity package and comprehensive benefits (including medical, dental, vision, and 401(k) options). This position is onsite in either San Francisco, CA, or New York City, NY, offering the invaluable opportunity to work closely with a talented team in a dynamic, high-energy environment. Being in-person enables real-time collaboration, fosters creative problem-solving, and strengthens the connections that drive innovation and impact. You'll be at the center of our fast-paced operations, contributing to a culture that values engagement, growth, and teamwork.