Replicant AI Inc. logo

Senior Machine Learning Engineer

Job Overview

Location

Toronto, Canada

Job Type

Full-time

Category

Machine Learning Engineer

Date Posted

March 12, 2026

Full Job Description

đź“‹ Description

  • • Replicant AI Inc. is at the forefront of revolutionizing customer service through cutting-edge voice AI technology. Since our inception in 2017, we have been dedicated to creating AI solutions that not only enhance customer interactions but also drive significant business value. Our platform powers leading companies like AAA and Fanatics, enabling over 50% of customer service calls to be resolved without human intervention, often resulting in higher caller satisfaction than traditional human agent interactions. We achieve this through AI that is designed to feel human, operate at scale securely, and deliver tangible business outcomes. As a rapidly growing company backed by top-tier Silicon Valley investors, we are expanding our team to tackle the immense opportunities within the customer service automation market.
  • • Joining Replicant means becoming an integral part of a mission to make customer service more efficient and cost-effective for a vast global market. You will be working on complex challenges with a small, high-impact team, where every contribution directly influences the success and evolution of our core product. This is an opportunity to shape the future of conversational AI in a dynamic and fast-paced environment.
  • • The Machine Learning team at Replicant plays a pivotal role in empowering our enterprise customers and developers. We are responsible for defining, building, and refining the next generation of bot-building paradigms tailored for intricate enterprise customer service and contact center automation scenarios. Our work involves applying the most advanced research in Generative AI and Natural Language Processing (NLP), including state-of-the-art Large Language Models (LLMs) and other emerging research breakthroughs, directly into our product lines.
  • • As a Senior Machine Learning Engineer, you will be instrumental in leading the exploration and practical application of LLMs and Generative AI, pushing the boundaries into new and innovative areas. Your role will involve translating cutting-edge research findings into robust, high-performing systems and models that can be seamlessly integrated to elevate user experiences and operational efficiency.
  • • You will contribute significantly to setting the strategic direction of the Machine Learning team, fostering an environment that champions innovation, encourages continuous learning, and supports professional growth for all team members. This includes actively participating in every phase of the development lifecycle, from initial ideation and rigorous experimentation to meticulous implementation and seamless deployment of ML-powered solutions.
  • • Collaboration is key to our success. You will work closely with product managers and cross-functional engineering teams to conceptualize, develop, and deploy ML-based solutions. A critical aspect of your role will be ensuring the optimal performance of these solutions and their alignment with Replicant's overarching business objectives and strategic goals.
  • • This position offers a unique opportunity to tackle ambiguous technical problems, develop innovative solutions, and make a substantial impact on a product used by millions. You will be encouraged to think independently, take ownership of complex challenges, and contribute to the nuanced and aesthetic quality of conversational AI.
  • • We are looking for individuals who are passionate about engineering excellence, contribute positively to team culture, and possess a vivid imagination to envision the future of AI in customer service. Your ability to communicate effectively and your enthusiasm for tackling difficult problems will be crucial in this role. You will be at the forefront of applying advanced AI techniques to solve real-world problems in a massive market, making a tangible difference in how businesses interact with their customers.

Skills & Technologies

Python
PyTorch
Senior
Remote

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Replicant AI Inc. logo
Replicant AI Inc.
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About Replicant AI Inc.

Replicant AI Inc. provides cloud-based conversational AI for customer service automation. Its platform handles inbound and outbound phone calls, web chat, and messaging with human-like voice and text responses. Using large language models and speech synthesis, it integrates with CRMs, telephony systems, and workforce management tools to resolve common queries, schedule appointments, and escalate complex issues to human agents. The company serves enterprises in retail, hospitality, insurance, and on-demand services, aiming to reduce wait times, lower operational costs, and improve customer satisfaction through 24/7 autonomous support.

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