Hi, I'm Petr Nguyen

AI & ML Engineer

Experienced AI Developer & ML Engineer with diverse experience across industries, specializing in Python programming, predictive modelling, deep learning, cloud deployment, and AI solutions.

๐Ÿ“Prague, Czech Republic
โ†“

About Me

Get to know me better

Who I Am

I'm an experienced ML Engineer / AI Developer / Python Developer / Data Scientist with diverse experience across industries including banking, Big 4 consulting, start-up, and non-profit sectors. Currently, I work as a Data Scientist / Gen AI Developer at BigHub, helping enterprises leverage AI for a data-driven edge.

I also serve as an AI Engineer Consultant at HR-tech start-up LutherOne, where I provide AI expertise to deploy and integrate LLM features into products. My excellence lies in Python programming, predictive modelling, deep learning, cloud deployment, machine learning, web app development and AI.

I'm currently finishing my 2nd Master's degree in Data & AI and work at a non-profit IT organization as a Data Science and Python Mentor.

Core Expertise

Python Development

Expert in Python programming, data science, and ML libraries

AI & Machine Learning

Deep learning, predictive modeling, and LLM applications

Cloud Computing

AWS, Azure, Docker, and serverless deployment

Web Development

Full-stack development with modern frameworks

Data Engineering

Data processing, pipelines, and database management

DevOps & CI/CD

Automated deployment and infrastructure management

Languages & Technologies

Programming Languages

PythonTypeScriptJavaScriptRSQLBash

Cloud & DevOps

AWSAzureDockerLinuxTerraformGitLab CI/CDGitHub Actions

AI & ML

Scikit-learnOptunaHuggingFaceTensorFlowPyTorchOpenAIAWS BedrockAWS SageMakerLangChainLangGraphPydantic

Experience

My professional journey

Data Scientist | GenAI Developer

BigHub
Prague, Czech Republic
05/2025 - present
Contractor
  • Helping business to develop custom AI solutions, including predictive modelling or OCR and LLM-based applications.
Tools: Python, Azure, OpenAI, Terraform, Azure Functions, Azure App Services, GitLab, Azure Document Intelligence, Azure AI Vision

AI Engineer & Architect Consultant

LutherOne
Prague, Czech Republic
07/2025 - present
Contractor
  • Providing consultancy services and AI expertise to a HR-tech B2B start-up, including LLM deployment and integration into a platform product, AI tasks automation, RAG systems, AI agents, and other AI/ML support for a Data Science team.
Tools: Python, AWS, AWS Bedrock, CI/CD, Docker, Linux, Bash, GitLab, Amazon EC2, Amazon Comprehend, AWS Lambda, Terraform

AI & Data Science Mentor/Coach

Czechitas
Prague, Czech Republic
05/2025 - present
Volunteer
  • Volunteering at a non-profit organization helping women to enter the IT world. Mentoring 2 students in Digital Academy and consulting their project. Coaching classes in AI, Python programming and Data Science.
Tools: Python, SQL

Lead AI & ML Engineer

LutherOne
Prague, Czech Republic
01/2024 - 06/2025
Full-time
  • Senior lead of AI and ML team at a HR-tech B2B start-up, responsible for delivery of LLM integration into the product, AI automation of processes, mentoring two junior ML engineers and data scientists, overseeing attrition modelling development, partial development of the backend microservices.
Tools: Python, TypeScript, MongoDB, Bash, Docker, Linux, AWS EC2, AWS SageMaker, AWS Lambda, AWS ECR, AWS Glue, GitLab, AWS Step Functions, AWS Comprehend, AWS Bedrock, AWS Cognito, AWS EventBridge, AWS RDS

Machine Learning Engineer

LutherOne
Prague, Czech Republic
07/2023 - 12/2023
Full-time
  • ML engineering at a HR-tech B2B start-up with a responsiblity for attrition modelling, natural language processing, web application development, data processing pipelines development and deployment.
Tools: Python, Bash, Docker, Linux, AWS EC2, AWS SageMaker, AWS Bedrock, AWS Lambda, AWS ECR, AWS Glue, GitLab

Data Scientist

Ernst & Young (EY)
Prague, Czech Republic
07/2023 - 12/2023
Part-time
  • Advanced analytics at one of the Big 4 consultancy companies, development of ML solutions in electromobility and energy sector, including energy consumption forecasting or heuristic algorithm for synthetic generation of EV utilization.
Tools: Python, Docker, Streamlit, JavaScript, HTML, CSS, Power BI

Full Stack Developer

ฤŒesko.Digital
Prague, Czech Republic
04/2023 - 08/2023
Volunteer
  • Development of a custom algorithm and web application for skills matching of volunteers for project engagement at Czech non-profit IT organization (3rd place in Data Challenge 2023).
Tools: Python, Flask, Docker, GitHub Actions, AWS Lambda, JavaScript, HTML, CSS, Keboola, SQL

Data Science & Financial Risk Modeller

PricewaterhouseCoopers (PwC)
Prague, Czech Republic
03/2022 - 06/2023
Part-time
  • Quantitave modelling at one of the Big 4 consultancy companies providing services in the field of credit risk modelling, including validation and back-testing of credit risk models, statistical modelling, audit support, ML research and development.
Tools: Python, R, SQL, Azure ML

Projects

Showcasing my latest work and achievements

AI-Powered OCR Financial Analyzer

Deepnote hackathon winning project

AWSPythonDeepnoteAWS TextractAWS BedrockAnthropic LLMTavily APIGitHub ActionsStreamlitAWS S3

LLM integration into HR-tech Product Platform

Integration of LLM's into HR-tech platform for people engagement, feedbacks and people development.

PythonTypeScriptAWSMongoDBAWS BedrockAnthropic LLMAWS FargateGitlabPydantic

OCR for Insurance Claims

Extraction of information from both structured and unstructured documents within automated insurance claims procesing pipelines, including document classification, OCR/LLM based extraction and asynchronous API development.

PythonFastAPIDockerOpenAILangGraphAzureOpenCVAzure AI VisionAzure Document IntelligenceTerraformJenkinsAzure App ServicesPydantic

Serverless Pipeline for Employee Comments Processing

Automated and cost-friendly analysis of employee comments, deployed in AWS, which performs comments translations, sentiment analysis, and topic modelling.

PythonAWSHuggingFaceTransformersAWS BedrockAnthropic LLMAWS Step FunctionsAWS SageMakerAWS LambdaAWS EventBridgePostgreSQLAWS RDS

Employee Attrition Modelling

Predictive modelling of of leaving employees, with main focus and data cleaning, custom algorithms for treating missing values and feature selection, and ensemble modelling

PythonPolarsScikit-learnPyTorchSHAPAWS SageMakerAWS ECRAWS Step Functions

Internal LLM-based Web Apps

Web application development for automation of internal tasks, mainly in Data Science team and Customer Success/Experience team (e.g., chatbots, data analysis, PowerPoint preparation, Excel preparation, text summarization, report generation, etc.)

PythonStreamlitAWSDockerAWS EC2AWS CognitoGitLabTerraformPoetryAWS ECRAWS LambdaAWS Route53Amazon QNGINXLinux

Web Application for Skill Matching of IT Volunteers

Web application for recruiters for finding the most suitable IT volunteers for non-profit projects based on custom algorithm for skill matching.

PythonFlaskDockerGitHub ActionsAWS LambdaJavaScriptHTMLCSSSQLKeboolaRequestsSciPyScikit-learn

Interested in working together?

Let's discuss how I can help bring your ideas to life

Get In Touch

Education

My academic background

Master's in Data and Analytics for Business

Faculty of Informatics and Statistics, Prague University of Economics and Business
2022 - present
  • Thesis: Deployment of LLM-based Applications in AWS (in progress)
  • Coursework: Cloud Computing, Python Programming, Agile ML Development, Cloud BI, Data Architectures, SSBI
  • Extracurricular Activity: Data and Business Alumni Club
Honours & Awards
  • 3rd place in Data Challenge 2023
  • Scholarship for exceptional academic results

Master's in Banking and Insurance

Faculty of Finance and Accounting, Prague University of Economics and Business
2020 - 2023
  • Thesis: Application of Machine Learning Models within Credit Risk Modelling
  • Minor Specialization: Data Engineering
  • Coursework: Time Series Modelling, Risk Management, Monetary Economics, Asset Management, Business Intelligence, Database Systems, Data Mining
  • Extracurricular Activity: Prague Banking Club
Honours & Awards
  • Award for an excellent Master's thesis (ESOP)
  • TOP 25 of Werner von Siemens Award
  • 2nd place at Atlas Copco Services Award
  • Scholarship for exceptional academic results

Master's Erasmus+ Exchange

Faculty of Business and Economics, University of Antwerp
2021 - 2022
  • Coursework: Data Science, Econometrics, Financial Engineering
  • Extracurricular Activity: AXA Data Science Challenge 2021

Bachelor's in Banking and Insurance

Faculty of Finance and Accounting, Prague University of Economics and Business
2017 - 2020
  • Thesis: Bank Guarantees and Documentary Letters of Credit
  • Coursework: Financial Mathematics, Insurance Mathematics, Statistics, Econometrics, Financial Analysis, Accounting, Capital Markets, Taxes, Corporate Finance, Banking

Get In Touch

Let's work together

Contact Information

I'm always interested in new opportunities and collaborations. Whether you have a question or just want to say hi, feel free to reach out!

LocationPrague, Czech Republic