136 974
20 342
Imagine enhancing an AI assistant that already lives on Macs — one that truly understands its users, adapts to their habits, and helps them stay focused on what matters most. Eney is MacPaw’s AI companion for macOS, designed to organize, automate, and simplify users’ daily workflows. Now, we’re taking Eney to the next level — making it smarter, faster, and capable of running advanced LLMs directly on-device. As a Senior AI Engineer , you’ll fine-tune and optimize the latest LLMs using cutting-edge techniques (LoRA, Q-LoRA, DPO, GRPO), build scalable ML pipelines, and shape how AI seamlessly integrates into everyday Mac experiences. MacPaw is a software company that develops and distributes software for macOS and iOS. Today, we have 20 million active users across all our products. At MacPaw, we believe humans and technology can reach their greatest potential together. MacPaw is proud to be Ukrainian. Train and fine-tune LLMs (e.g., Adapt LLMs for domain-specific tasks using techniques such as prompt engineering, adapter-based fine-tuning (PEFT), and multi-modal extensions Deep experience with LLMs: training large and small models using various techniques (fine-tuning, post-fine-tuning, DPO, GRPO) Strong background in classical ML and NLP Proficiency in Python and deep learning frameworks (e.g., Ability to design and automate ML pipelines with a focus on scalability and maintainability Upper-intermediate English & fluent Ukrainian Experience working with multi-modal data: structured/tabular, images, audio, or video Experience in synthetic data generation Hands-on experience with LLM production deployment: monitoring, evaluation, and metrics tracking Familiarity with on-device ML and performance optimization Swift knowledge or interest, as the company’s products operate in the Apple ecosystem Background in computer vision, time series, or reinforcement learning We are a Ukrainian company, and we stand with Ukraine against the russian aggression We maintain workplaces for the mobilized Macpawians and provide financial support to colleagues or their families affected by the war. Here , you can also read about the MacPaw Foundation, which intends to help save the lives of Ukrainian defenders and provide relief to as many civilians as possible. We are committed to our veterans Our Veteran Career and Empowerment Program is designed to ensure our veterans and active military personnel receive the recognition, support, and opportunities they deserve. Hybrid work model Whether to work remotely or at the hub is entirely up to you. If you decide to mix it, our Kyiv office, which works as a coworking space, is open around the clock. The office is supplied with UPS and Starlink for an uninterrupted work process. Your health always comes first We guarantee medical insurance starting on your first working month. For those abroad, you can receive a yearly Medical insurance allowance as compensation for managing your medical expenses. Flexible working hours You can choose a schedule that is comfortable for you. Space to grow both professionally and personally Education opportunities to grow both hard and soft skills, annual development reviews, and internal community. We encourage open and constructive feedback and provide training for Macpawians on giving and receiving feedback. Office designed for people (and pets) Our office has it all: a spacious workplace with enough room for sitting up, lying down, and running around; cozy kitchens; and a terrace with a view where we throw summer parties. Also, we have two cats living in the office, and you are welcome to bring your pets to the office (we have separate floors for cats and dogs). Join social initiatives with MacPaw Cares MacPaw participates in numerous humanitarian aid and charity projects across many fields, and you are welcome to jump in to make the world a better place. Meaning with all our variety of backgrounds and identities, including service members and veterans, women, members of the LGBTQIA+ community, individuals with disabilities, and other often underrepresented groups.