Senior AI/ML Engineer

*This position is fully remote only for employment in Bulgaria. However, people can also work in one of our offices in Sofia or Varna if they prefer to.

About DataArt

DataArt is a global software engineering firm and a trusted technology partner for market leaders and visionaries. Our world-class team designs and engineers data-driven, cloud-native solutions to deliver immediate and enduring business value.

We promote a culture of radical respect, prioritizing your personal well-being as much as your expertise. We stand firmly against prejudice and inequality, valuing each of our employees equally.

We respect the autonomy of others before all else, offering remote, onsite, and hybrid work options. Our Learning and development centers, R&D labs, and mentorship programs encourage professional growth.

Our long-term approach to collaboration with clients and colleagues alike focuses on building partnerships that extend beyond one-off projects. We provide the ability to switch between projects and technology stacks, creating opportunities for exploration through our learning and networking systems to advance your career.

Position Overview

A leading player in the French SaaS market, specializing in payroll and HR management solutions, is undertaking a major strategic initiative to build an innovative AI-powered assistant aimed at transforming HR processes.

We are looking for a talented and experienced Senior AI/ML Engineer/Data Scientist to join a high-profile, strategic initiative to develop an innovative AI Copilot — a generative AI-powered assistant designed to transform HR management processes. As a core member of a dedicated agile team, you will leverage your expertise to design, build, and deploy cutting-edge AI/ML models and systems that will shape the future of HR technology.

Responsibilities

• Lead the hands-on design, development, and deployment of the AI Copilot, taking ownership of the technical implementation and outcomes
• Play a key role in defining the technical architecture of the AI Copilot, ensuring it is scalable, robust, and secure.
• Collaborate with product managers and other stakeholders to define the product roadmap and translate business requirements into technical solutions
• Establish and promote best practices for MLOps, including model training, versioning, deployment, and monitoring
• Work closely with other engineering teams to integrate the AI Copilot with our existing product suite

Requirements

• Degree in Computer Science, AI, or related fields, or equivalent experience
• 5+ years in AI/ML engineering or data science with a strong portfolio demonstrating impact
• Proficient in Python and experienced with libraries such as TensorFlow, PyTorch, and Hugging Face
• Hands-on experience with modern AI ecosystems including Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), agentic systems, and model evaluation
• Proven hands-on experience with Microsoft Azure services
• Familiarity with cloud platforms (Azure, AWS, GCP) and MLOps best practices
• Strong collaborator passionate about working in fast-paced agile environments

Nice To Have

• Experience in SaaS product development
• Professional proficiency in French is an advantage

What We Offer

• Unique corporate culture – no micromanagement, friendly atmosphere, freedom, and mutual respect
• Flexible schedule – ability to change projects, to work from home, and to try yourself in different roles
• Professional Development Map – a comprehensive map of your professional development within DataArt
• We hire people not for a project, but for the company. If the project (or your work in it) is over, you go to another project or to a paid “Idle”.
• Social benefits – additional health insurance, life insurance, sports card, etc.
• Opportunity to work from another DataArt office in a different city or country (temporarily or permanently)
• Free English courses
• Cozy office with a great atmosphere
• Snacks, drinks, and fruits are always available

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