Code.Hub  - Αγγελίεσ - Θέσεισ Εργασίασ

ai engineer

Dec 5, 2025 by 

Code.Hub

Αττική

Αττική

Hybrid

Πληροφορική

Permanent

Full Time

About the job

Our Client is seeking an experienced AI Engineer to join their growing AI team. You will be responsible for designing, building, and maintaining end-to-end artificial intelligence solutions that move from prototype to production, working with cutting-edge LLM technologies and modern AI frameworks.

Key Responsibilities

AI Development & Implementation

  • Design and develop production-ready AI/ML systems and applications

  • Implement and fine-tune Large Language Models (LLMs) using frameworks like LangChain, OpenAI APIs, and Hugging Face

  • Build and optimize prompt/context engineering solutions and Retrieval-Augmented Generation (RAG) pipelines

  • Develop vector store embeddings and semantic search capabilities

  • Create multi-model orchestration workflows for complex AI applications

Data & Model Management

  • Gather, preprocess, and manage large-scale datasets for model training

  • Develop and maintain machine learning models using TensorFlow, PyTorch, or similar frameworks

  • Implement model evaluation, monitoring, and observability mechanisms

  • Perform model versioning and lifecycle management using MLflow or similar tools

Deployment & Operations

  • Deploy AI models to production using cloud platforms (AWS, Azure, or GCP)

  • Containerize applications using Docker and manage infrastructure with Kubernetes

  • Build and maintain RESTful APIs for model integration

  • Implement CI/CD pipelines for automated model deployment

  • Monitor model performance, drift, and system health in production

Collaboration & Innovation

  • Work cross-functionally with product managers, data scientists, and DevOps teams

  • Translate business requirements into technical AI solutions

  • Stay current with emerging AI technologies and best practices

  • Document architecture, processes, and technical decisions

Required Qualifications

Education

  • Bachelor’s degree in Computer Science, Engineering, Machine Learning, or related quantitative field

  • Master’s degree preferred

Experience

  • 3+ years of hands-on experience putting Machine Learning models into production

  • Proven track record of developing and deploying AI/ML systems at scale

  • Experience with end-to-end ML lifecycle from data preparation to production deployment

Technical Skills

  • Programming: Expert-level proficiency in Python (required); Java or C++ is a plus

  • ML Frameworks: Deep expertise in TensorFlow and/or PyTorch

  • LLM Tools: Hands-on experience with LangChain, OpenAI APIs, or similar LLM frameworks

  • MLOps: Experience with MLflow, model versioning, and lifecycle management

  • Cloud Platforms: Proficiency with AWS SageMaker, Azure ML, or Google AI Platform

  • Containerization: Strong experience with Docker for creating reproducible environments

  • Orchestration: Knowledge of Kubernetes for scalable deployments

  • APIs: Experience developing and integrating RESTful APIs

  • Databases: Familiarity with both SQL and NoSQL databases

Core Competencies

  • Strong mathematical foundations (linear algebra, statistics, probability)

  • Deep understanding of machine learning algorithms and neural networks

  • Knowledge of distributed computing and scalable system design

  • Understanding of AI ethics, bias mitigation, and responsible AI practices

  • Excellent problem-solving and analytical skills

  • Strong communication skills for technical and non-technical audiences

Preferred Qualifications

  • Experience with Generative AI and prompt engineering techniques

  • Knowledge of vector databases (Pinecone, Weaviate, Chroma)

  • Familiarity with NLP, computer vision, or reinforcement learning

  • Experience with A/B testing and experimentation frameworks

  • Contributions to open-source AI/ML projects

  • Publications or research in AI/ML domains

  • Experience with real-time inference and low-latency systems

What They Offer

  • Competitive salary and equity package

  • Comprehensive health benefits

  • Professional development and learning opportunities

  • Flexible work arrangements (remote/hybrid options)

  • Cutting-edge AI technology stack

  • Collaborative and innovative team environment

  • Opportunity to work on impactful AI projects

 

Hybrid

Πληροφορική

Permanent

Full Time

About the company

Code.Hub is a Recruitment Agency, a Learning & Development partner, an Extended Team and Project Delivery expert in the Tech Industry.

We source and train the best candidates in Tech Industry.

With a team of 150+

  • Tech-specific Recruiters
  • Certified Trainers
  • Software Development specialists

we are prepared for every challenge.

Using exclusively Agile methodologies, we help companies of all levels and technologies to extend their vision many step forward.



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