Senior AI/ML Software Engineer

About this role

It's fun to work in a company where people truly BELIEVE in what they're doing!

Fullsteam is a leading provider of vertical software and embedded payments technology dedicated to helping businesses flourish by providing their customers with seamless experiences. With a dynamic and growing team of over 1,900 employees, we are committed to driving innovation and delivering best-in-class software and payment solutions that empower small and medium-sized businesses across numerous industries. Our purpose is to help our customers grow their businesses and delight their customers. Join us and be a part of a forward-thinking company that values growth, excellence, and the success of our clients.

We are seeking a talented and experienced Senior AI Software Engineer specializing in Artificial Intelligence to lead the development and integration of advanced AI solutions into our products. As a Lead Engineer, you will be responsible for designing and implementing high-quality, scalable AI. Models and collaborating with cross-functional teams to push the boundaries of AI in software development. Your work will focus on building cutting-edge applications leveraging Machine Learning (ML), Natural Language Processing (NLP) and Generative AI to deliver exceptional experiences and solutions to our users.

Primary Responsibilities:

• Build production software – Design and implement scalable backend services, APIs, and data pipelines with a focus on reliability, performance, and maintainability
• Develop agentic systems – Create autonomous agents that leverage LLMs to reason, use tools, and orchestrate complex multi-step workflows
• Architect for scale – Design systems that handle real-time AI inference, converation state, and tool execution with proper error handling and recovery
• Design, develop, and deploy machine learning models that drive product features, improve user engagement, and enhance decision-making processes
• Collaborate cross-functionally – Partner with Produc...