AI Engineer

About the Position

We are seeking an AI Engineer with experience in AI/ML frameworks and backend development to join our AI & Data team in Cluj-Napoca, Brașov, or Oradea, working in a hybrid model.

Responsibilities

• Developing data pipelines and APIs for AI-powered products and services.
• Building scalable and reliable backend systems that serve AI inference results.
• Working across AI areas such as data science, image generation, image processing, LLMs, and transformer-based architectures.
• Turning research findings and experimental approaches into practical solutions.
• Collaborating with AI Product Managers, engineers, and web development teams to translate client needs into technical solutions.
• Communicating technical decisions and complex AI concepts to technical and non-technical stakeholders.

Requirements

• Strong Python skills and hands-on experience with AI/ML frameworks such as PyTorch, TensorFlow, or Keras.
• Experience building backend applications and APIs using FastAPI, Flask, or Django.
• Solid experience developing AI/ML solutions and applications powered by LLMs.
• Research experience and the ability to turn scientific papers and experimental ideas into practical solutions.
• Experience working with commercial LLM APIs, embeddings, text generation, and semantic search.
• Solid experience integrating external APIs, including OpenAI, Anthropic, or similar AI providers.
• Strong data processing skills using tools such as Pandas, NumPy, and SciPy.
• Familiarity with relational databases and tools such as SQLAlchemy and Alembic.
• Proficiency with Docker and containerized development and deployment.
• A solid understanding of clean, maintainable, and PEP 8-compliant Python code.
• The ability to communicate complex AI concepts clearly and collaborate effectively with product and engineering teams.

Nice to Have

• Experience with cloud infrastructure such as AWS, Azure, GCP, or DigitalOcean.
• Hands-on experience with compute-intensive AI models and repositories such as Stable Diffusion or Llama.
• Experience optimizing and deploying AI models for production inference.
• Familiarity with transformer-based architectures and their practical applications.

We Offer

• Opportunity to work in a dynamic and innovative environment.
• Collaborative and inclusive company culture.
• Professional growth and development opportunities.

About the Company

At RebelDot, we enable organizations in more than 15 industries to make an asset out of custom software. From consulting to web or mobile apps, UX-UI design, and QA, we help our clients achieve more through technology. Our goal is to make software development effective and hassle-free for small and medium enterprises.

Helping our clients get the most value for their investment in technology is what drives us. Increasingly, this means working with them as a full technical partner, starting with an initial consulting stage where we understand their needs and propose the optimal approach – or, “the line”, as we call it. Because of our ‘rebel’ approach to software development, oftentimes, our solutions are very different from our peers as we stand out through innovation. From there on out, we partner up and lead the line for our clients.

Founded in July 2018, RebelDot has grown to a team of over 300 professionals.