AI Engineer

AI Engineer

Playtech

Sofia, Bulgaria

Ready to level up your career?

Playtech Managed Services is looking for an AI Engineer with strong system‑design thinking, exceptional collaboration skills, and a high sense of ownership

Job Description

Your influential mission. You will...

• Design AI features using modern LLMs to deliver intelligent, high‑impact product capabilities.
• Build RAG pipelines including data ingestion, chunking, embedding, and vector storage.
• Ensure AI quality through confidence scoring, evaluation methods, and safety guardrails.
• Maintain AI traceability with clear logging, prompt tracking, and auditability.
• Develop scalable APIs using REST or GraphQL to support robust backend systems.
• Create backend services in Python (FastAPI) or Node.js with clean, maintainable architecture.
• Implement backend foundations such as authentication, data validation, and observability.
• Integrate external systems to extend platform functionality and reliability.
• Apply secure coding and enforce strong API security and encryption standards.
• Support compliance needs including audit logs and controls for regulated environments.

Qualifications

Components for success. You...

• Bring AI development experience with 3+ years working on AI‑driven systems.
• Work confidently with backend frameworks using Python or Node.js in production environments.
• Apply practical AI/ML knowledge including LLM APIs, open‑source models, and RAG architectures.
• Demonstrate strong API expertise in REST best practices, OpenAPI, data modeling, and storage.
• Utilize vector and orchestration tools such as Pinecone, Weaviate, FAISS, PGVector, LangChain, or LlamaIndex.
• Apply prompt engineering principles and evaluation strategies to improve AI reliability.
• Understand AI safety including hallucination mitigation and guardrail design.
• Navigate regulated environments such as finance, gaming, or healthcare.
• Work with modern infrastructure including Kafka, streaming systems, and monitoring tools like Grafana or Prometheus.
• Bridge AI and production engineering to deliver robust, scalable solutions.
• Communicate clearly through strong documentation and cross‑team collaboration.
• Leverage additional strengths such as building internal tools, working with agent architectures, or designing data pipelines.
• Work comfortably with our tech stack including FastAPI/Node.js, OpenAI/Azure OpenAI/Llama, MySQL, Redis, and vector databases.

You'll get extra points for...

• Solve complex problems with strong system‑design thinking and an engineering mindset.
• Take ownership and drive delivery with accountability and initiative.