Tianhui Zou - Fine-tuning Thesis Work - Generative AI for Automating Software Uplifts

Q: Where is Tianhui based?

Tianhui is based in Stockholm, Sweden .

Q: What languages does Tianhui speak?

Tianhui speaks the following languages: English (Advanced), Chinese (Advanced), Swedish (Intermediate) .

Q: How many years of experience does Tianhui have?

Tianhui has at least 1 year of experience. During this time, Tianhui has worked in at least 3 different roles and for 2 different companies . The average length of individual experience is 4 months . Note that Tianhui may not have shared all experience and actually has more experience.

Q: What is Tianhui's latest experience?

Tianhui's most recent position is Fine-tuning Thesis Work - Generative AI for Automating Software Uplifts at Ericsson .

Q: What companies has Tianhui worked for in recent years?

In recent years, Tianhui has worked for Ericsson and KTH Royal Institute of Technology .

Q: Which industries is Tianhui most experienced in?

Tianhui is most experienced in industries like Telecommunication and Education .

Q: Which business areas is Tianhui most experienced in?

Tianhui is most experienced in business areas like Information Technology and Research and Development .

Q: What is Tianhui's education?

Tianhui holds a Master in Applied and Computational Mathematics from KTH Royal Institute of Technology and a Bachelor in Mathematics and Applied Mathematics from University of Science and Technology Beijing .

Q: What is the availability of Tianhui?

Tianhui is immediately available full-time for suitable projects.

Recommended expert

Stockholm, Sweden

Check rate

Experience

Jan 2024 - Aug 2024

8 months

Stockholm, Sweden

Fine-tuning Thesis Work - Generative AI for Automating Software Uplifts

Ericsson

Explored state-of-the-art Generative AI techniques, mining selected GitHub repositories with all versions from the last 3 years.
Built and maintained a cleaned dataset of 1M+ for LLM fine-tuning to detect breaking changes from third-party library updates.
Fine-tuned CodeT5+ and Code Llama with the QLoRA method, achieving an F1-score above 95%, highlighting GenAI’s potential in software upgrades.

Nov 2023 - Dec 2023

2 months

Stockholm, Sweden

Reinforcement Learning – Lunar Lander

KTH Royal Institute of Technology

Implemented Deep Q-Learning with a replay buffer and target networks.
Optimized hyperparameters (discount factor, buffer size, learning rate), improving average reward to 200+ after ~350 episodes.
Evaluated training curves, showing DQN outperforming the random agent.

Feb 2023 - May 2023

4 months

Stockholm, Sweden

Parallel Sobel Filtering for Fast Image Processing

KTH Royal Institute of Technology

Implemented image preprocessing and matrix transformation in Python.
Designed and parallelized the Sobel filter in C with MPI on Dardel (the top supercomputer), employing red-black communication to avoid deadlocks.
Achieved strong parallel efficiency and near-linear speed-up up to 128 processors on 150k+ pixel images.

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Telecommunication and Education.

Telecommunication

Education

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology and Research and Development.

Information Technology

Research and Development

Summary

Applied & Computational Mathematics graduate with expertise in Python, Machine Learning, and Generative AI. Experienced in fine-tuning LLMs and building large-scale datasets. Skilled in data preprocessing, feature engineering, and evaluation, with hands-on experience in ML pipelines and real-world projects.

Skills

Programming: Python (Pandas, Numpy), Sql (Bigquery, Mysql), R, Matlab
Ml Techniques: Fine-Tuning, Hyperparameter Optimization, Model Evaluation
Tools & Platforms: Git, Jupyter, Google Colab, Fastapi, Databricks, Kubernetes
Visualization: Tableau, Matplotlib
Adaptability
Communication
Persistence
Teamwork

Languages

English

Advanced

Chinese

Advanced

Swedish

Intermediate

Education

Aug 2022 - Aug 2024

KTH Royal Institute of Technology

Master of Applied and Computational Mathematics · Applied and Computational Mathematics · Stockholm, Sweden

Aug 2018 - Jun 2022

University of Science and Technology Beijing

Bachelor of Mathematics and Applied Mathematics · Mathematics and Applied Mathematics · Beijing, China

Statistics

Experience

Total positions 3

Experience in Telecommunication 0.5 y

Avg length 4 m

Longest experience 7 m

Global Experience

Countries worked in 1 (Sweden)

Primary country Sweden

Expertise

Recent roles Fine-tuning Thesis Work - Generative AI for Automating Software Uplifts, Reinforcement Learning – Lunar Lander, Parallel Sobel Filtering for Fast Image Processing

Main industries Telecommunication, Education

Main business areas Information Technology, Research and Development

Qualifications

Highest degree Master

Profile

Created

November 2025

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Frequently asked questions

Have questions? Find more information here.

Where is Tianhui based?

Tianhui is based in Stockholm, Sweden.

What languages does Tianhui speak?

Tianhui speaks the following languages: English (Advanced), Chinese (Advanced), Swedish (Intermediate).

How many years of experience does Tianhui have?

Tianhui has at least 1 year of experience. During this time, Tianhui has worked in at least 3 different roles and for 2 different companies. The average length of individual experience is 4 months. Note that Tianhui may not have shared all experience and actually has more experience.

What roles would Tianhui be best suited for?

Based on recent experience, Tianhui would be well-suited for roles such as: Fine-tuning Thesis Work - Generative AI for Automating Software Uplifts, Reinforcement Learning – Lunar Lander, Parallel Sobel Filtering for Fast Image Processing.

What is Tianhui's latest experience?

Tianhui's most recent position is Fine-tuning Thesis Work - Generative AI for Automating Software Uplifts at Ericsson.

What companies has Tianhui worked for in recent years?

In recent years, Tianhui has worked for Ericsson and KTH Royal Institute of Technology.

Which industries is Tianhui most experienced in?

Tianhui is most experienced in industries like Telecommunication and Education.

Which business areas is Tianhui most experienced in?

Tianhui is most experienced in business areas like Information Technology and Research and Development.

What is Tianhui's education?

Tianhui holds a Master in Applied and Computational Mathematics from KTH Royal Institute of Technology and a Bachelor in Mathematics and Applied Mathematics from University of Science and Technology Beijing.

What is the availability of Tianhui?

Tianhui is immediately available full-time for suitable projects.

What is the rate of Tianhui?

Tianhui's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.