Senior AI Engineer

We are seeking a highly skilled Senior AI Engineer to join our team.

In this role, you will contribute to the development of advanced AI solutions for a variety of business domains. You will collaborate with cross-functional teams and clients to deliver impactful, scalable, and innovative AI-driven products.

Responsibilities

• Design, implement, and maintain end-to-end AI applications, including chatbots, Q&A platforms, and agent workflows
• Work directly with clients to understand requirements, identify opportunities, and recommend LLM-driven solutions
• Develop and manage robust data pipelines, prompt strategies, and datasets to support effective and accurate AI models
• Evaluate and refine AI system performance to ensure outputs are accurate, secure, scalable, and compliant with industry regulations
• Conduct research and rapid prototyping to validate technical feasibility and demonstrate business value of AI solutions
• Stay up to date with evolving LLM technologies, frameworks, and methodologies to continuously improve solutions and client outcomes

Requirements

• At least 3 years of experience in AI engineering or a related field
• Strong proficiency in Python and experience with web frameworks such as FastAPI or similar
• Understanding of the AI application development lifecycle, from design to deployment
• Experience with rapid UI prototyping using tools like Streamlit, Gradio, or similar frameworks
• Familiarity with major LLM platforms and APIs, including OpenAI, Anthropic, Amazon Bedrock, Gemini, and related frameworks such as LangGraph, LlamaIndex, and Strands Agents
• Knowledge of advanced AI integration patterns, including Retrieval-Augmented Generation (RAG) and agent-based architectures
• Experience deploying AI solutions at scale, with a focus on performance, cost-efficiency, and maintainability
• Ability to evaluate generative AI quality using metrics such as retrieval and classification scores, as well as LLM-based evaluation methods
• Proven track record in delivering ML-based solutions and AI engineering projects
• Strong problem-solving skills and attention to detail
• Excellent communication, collaboration, and interpersonal skills
• Fluent English skills (written and spoken) at a B2+ level or higher

Nice to have

• Experience designing experiments, conducting A/B tests, and iterating on models based on user feedback
• Understanding of retrieval systems, including keyword search, vector search, embeddings, and ranking algorithms
• Familiarity with emerging protocols such as MCP, A2A, ACP, and others
• Experience deploying to cloud AI platforms like Azure OpenAI, Amazon Bedrock, GCP Vertex AI, or on-premise solutions such as vLLM
• Experience with enterprise AI platforms, including AWS AgentCore, Databricks AgentBricks, Google Agents Space, or Azure AI Foundry
• Experience with observability and monitoring tools and frameworks for AI systems

Benefits

For your comfortable work:

• Remote and hybrid work opportunities
• Option to work from our centrally located office in Athens
• Corporate laptop provided
• Private health insurance
• Meal vouchers / restaurant tickets
• My Benefit card (264€/year)
• Monthly public transportation card

For your growth:

• Global and diverse client portfolio, large-scale projects, and trendy technologies
• Diverse multicultural, multi-functional, and multilingual work environment
• Opportunity to contribute to internal and open-source products
• Outstanding career development opportunities with a transparent career path and a roadmap to accelerate your journey
• Possibility to create a Personal Development Plan from the first day in the company
• Numerous opportunities for self-development: hard & soft skills internal training courses, mentoring programs, and unlimited access to LinkedIn Learning courses, external e-Libraries
• Certification opportunities
• Knowledge-sharing with colleagues from EPAM's global tech and non-technical communities
• Language courses