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

The client is a UK-based technology company that specializes in global travel search services. The client’s platform combines marketplace navigation tools with direct service features, enabling users to explore and compare offerings related to both international and domestic journeys. The platform aggregates data from a wide range of airlines, travel agents, and accommodation providers, offering real-time pricing and availability.

We are looking for an AI/ML Developer to join a high-impact initiative aimed at enhancing the efficiency and simplicity of travel planning through advanced GenAI solutions. You’ll lead the design, deployment, and optimization of scalable GenAI solutions, collaborating closely with the Development team to ensure production-grade performance and reliability. GenAI solution expected to be integrated into the Client’s Mobile application and Social Media services, including search and chatbot use cases.

Responsibilities

• Lead the design and development of GenAI solutions to address real-world challenges in travel planning (flights, hotels, cars)
• Ensure scalable and reliable deployment of LLM models in both production and development environments
• Collaborate with the development team to define and refine best practices tailored to GenAI solutions
• Build internal tools to streamline the development, evaluation, and deployment processes
• Operate and monitor AI/ML platforms and systems, ensuring high performance, availability, and rapid incident response
• Contribute to the continuous optimization of CI/CD pipelines and supporting infrastructure

Requirements

• Strong background in cloud platforms (AWS preferred), including experience with AWS Bedrock or other LLM API services such as OpenAI
• Proficient in Python and key AI/ML libraries
• Solid understanding and hands-on experience in building and maintaining knowledge bases for AI projects, including techniques like Retrieval-Augmented Generation (RAG)
• Proven experience deploying and maintaining AI/ML systems in production
• Strong understanding of the ML lifecycle, from data preparation to model monitoring
• Hands-on experience with ML Ops tools (e.g., Airflow, MLflow)
• Experience developing and scaling LLMs or GenAI solutions
• Understanding of observability and incident response practices in AI/ML production environments

Nice To Have

• Familiarity with IaC tools such as Terraform
• Experience with containerization tools (e.g., Docker) and CI/CD pipelines
• Experience in developing AI-powered mobile applications or travel-related solutions

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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