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Lembit M.

AI & Machine Learning Engineer · Senior

Estonia · Rate on request

Professional Overview

Senior AI/ML Engineer with 10+ years of experience building production AI systems, LLM applications, RAG pipelines, and ML platforms. Experienced with AI agents, prompt engineering, Python, PyTorch, FastAPI, cloud platforms, and MLOps. Skilled at turning complex AI concepts into reliable, scalable products that deliver real business impact.

Experience

Company
Indeema
Nov 2023 – Jun 2026
Role title
Senior AI/ML Software Engineer

AI Expertise

AI & Machine Learning Engineers

Skills

Python SQL GCP PyTorch Hugging Face Scikit-Learn OpenAI API CI/CD

Employment Type

Contract

Description of Responsibilities

  • Built AI text-to-app platform with Python, FastAPI, and GCP for real-time apps.
  • Developed LLM pipelines using Vertex AI, GPT-4o, and Claude for tool calling.
  • Built intent routing models with Transformers, PyTorch, and scikit-learn.
  • Created data workflows using Apache Beam, BigQuery ML, and Dataflow.
  • Developed Cloud Run microservices with Firestore and PostgreSQL storage.

Key Achievements / KPIs

  • Delivered production AI text-to-app platform using LLMs, FastAPI, and GCP.
  • Built LLM orchestration pipelines with GPT-4o, Claude 3, and Vertex AI.
  • Scaled ML data workflows using Apache Beam, BigQuery ML, and Dataflow.
  • Automated MLOps lifecycle with CI/CD, Docker, and Vertex AI Pipelines.
Company
Future Processing
May 2020 – Oct 2023
Role title
AI/ML Software Engineer

AI Expertise

AI & Machine Learning Engineers MLOps & AI Infrastructure

Skills

Python AWS TensorFlow Keras PyTorch Scikit-Learn Airflow SQL

Employment Type

Full-time

Description of Responsibilities

  • Built AI headshot correction system with Python, Django, and AWS APIs.
  • Created synthetic data pipelines using TensorFlow, Keras, and SageMaker.
  • Trained vision models with PyTorch, Albumentations, and scikit-learn.
  • Automated ML data workflows using Airflow, Glue, and AWS Athena.
  • Deployed MLOps stack with Docker, Terraform, MLflow, and monitoring.

Key Achievements / KPIs

  • Delivered AI portrait enhancement system with scalable inference APIs.
  • Built synthetic data pipelines and vision models for lighting correction.
  • Automated ML workflows with Airflow, Glue, and Athena pipelines.
  • Deployed MLOps platform with Docker, Terraform, MLflow, and monitoring.
Company
DATAFOREST
Sep 2018 – Apr 2020
Role title
Artificial Intelligence Engineer

AI Expertise

AI & Machine Learning Engineers Data Science & Analytics

Skills

Python Keras Scikit-Learn OpenAI API TensorFlow Pandas Docker CI/CD

Employment Type

Full-time

Description of Responsibilities

  • Built reinforcement learning system for refinery process optimization.
  • Developed multi-agent models with adaptive decision-making capabilities.
  • Created simulation environments generating synthetic RL training data.
  • Optimized RL policies using PPO for stable model convergence.
  • Implemented ML lifecycle tracking with MLflow, Docker, and Git.

Key Achievements / KPIs

  • Built reinforcement learning system for refinery workflow optimization.
  • Developed multi-agent models for adaptive industrial decision-making.
  • Created simulation environments for safe RL training and validation.
  • Improved ML lifecycle with reproducible tracking using MLflow and Docker.

Education

School
University of Tartu
Sep 2010 – Jun 2015
Degree / Program
Master's Degree

Field of Study: Computer Science

Areas of Expertise

AI & Machine Learning Engineers

Design, train, and ship production ML models — from data pipelines to model inference at scale. Covers supervised learning, neural networks, LLM integration, and model optimisation.

Automation & AI Workflows

Build intelligent automation pipelines, integrate AI APIs into existing tools, and replace manual workflows with agentic AI systems.

NLP & Prompt Engineering

Build natural language processing systems, fine-tune large language models, and craft reliable production prompts for AI-powered products.

Open to

Full-time Part-time Freelance Contract

Experience Level

Senior

Current location

Estonia

Time Zone

Tallinn UTC+2

Primary Work Language

English

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