Roxana Nick

Background

About

Results-driven data scientist with a Master’s in Applied Modeling and Quantitative Methods and expertise in time series analysis, machine learning, and statistical modeling. Proficient in Python, R, SQL, and data visualization. Experienced in turning complex data into strategic insights to support business decision-making. Skilled at delivering scalable, data-driven solutions with a strong track record of research, analytics, and project execution.

Work Experience

Statistics Research Assistant, Trent University
Sep, 2022 - Oct, 20242 years 1 month
Responsible for designing statistical experiments and developing time series interpolation models to recover missing data and support statistical reporting.
- Designed statistical experiments and time series models to identify anomalies and reconstruct missing data.
- Developed and evaluated multiple interpolation models (KAF, EWMA, HWI) to recover incomplete data under various SNRs.
- Supported statistical reporting with reproducible documentation, simulations, and visual summaries.
R Shiny App Developer – Awards Analytics Project, Trent University
May, 2023 - Aug, 20233 months
Responsible for automating eligibility analysis for scholarship applicants using statistical logic in an R Shiny dashboard and delivering tabulated summaries and visualizations to support audit-compliant decision-making.
- Automated eligibility analysis for scholarship applicants using statistical logic and an R Shiny dashboard.
- Created tabulated summary outputs and graphical visualizations in alignment with reporting best practices.
- Reduced manual review time by 60% and supported transparent decision-making through audit-compliant documentation.
- Collaborated with cross-departmental stakeholders to ensure alignment with academic governance standards.

Projects Experience

JOS
Aug, 2021 - Present
Implemented a 64-bit UNIX like operating system from scratch
Gandalf
Jun, 2021 - Present
Gandolf is an implemention of Raft algorithm which can be used to bring consensus over any database.
- Cosnsisted of a redis like key-value store and a consensus module
- Used Event-Driven Architecture for desinging system
- Can bring consensu to any database
Oira
Sep, 2020 - Present
Oira is a flask like dispatcher with the mindset to keep everything simple and avoiding third parties as much as we can.
- A simple dispatcher writen in python from scratch
- Built to develope microservices with
Phobia
Jun, 2022 - Present
Phobia is a asynchronous multi-threaded scenario-based load-generator implemented in Rust for stress testing services.

Skills

Programming & Tools
Python (Pandas, NumPy, Matplotlib, Seaborn, SciPy, Streamlit)

R

SQL

Git

GitHub

MLflow

LaTeX

GitHub Copilot
Statistical & Machine Learning Methods
Statistical Modeling

Hypothesis Testing

Linear Regression

Non-linear Analysis

Regression Analysis

Time Series Analysis
Data Handling & Visualization
Data Cleaning

Data Manipulation

Data Validation

Data Analysis

Data Visualization

Dashboards (Plotly, Dash, Tableau)
Soft Skills
Adaptability

Problem-Solving

Self-Motivation & Discipline

Strong Analytical Skills

Interpersonal Skills

Education

Applied Modelling & Quantitative Methods, Master of Science, Trent University
Sep, 2022 - Oct, 2024
Deep Learning

Computational Statistics

Advanced Statistics

Sampling & Design of Experiments
Statistics, Bachelor of Science, University of Guilan
Sep, 2018 - May, 2002
Statistical Quality Control

Discrete Multivariate Methods

Continuous Multivariate Methods

Regression I-II

Linear Algebra

Data Mining

Statistical computations

Design of Expermiments I,II

Time Series Analysis

Samplimg Methods I,II

Probability and Fuzzy Statistics

Fundamentals of Combinatories

Mathematical Statistics I,II

Introduction to Information Theory

Random Processes

Nonparametric Methods

Numerical Methods and Simulation

Mathematical Analysis

Differential Equations

Issues in Applied Statistics

Statistical Methods

Probability I,II

Fundamentals of Mathematics

Fundamentals of Computers and Programming

Calculus I,II
Math & Physics, Diploma, Professor Reza High School
Sep, 2013 - Jun, 2018

Awards

Research Fellowship at Trent University ,
Awarded on: Invalid date
$30,449
Graduate Teaching Assistantship at Trent University ,
Awarded on: Invalid date
$12,000
Dean’s International Award ,
Awarded on: Jan 01, 2024
$1,182
Graduate International Bursary ,
Awarded on: Invalid date
$1,400
National Entrance exam Scholarship ,
Awarded on: Invalid date
Full-ride B.Sc. in Statistics

Volunteer Work

Event Data Analyst and Communications Support, Sabzkaran NGO
Jan, 2013 - Jan, 2020
Created newsletters and reports communicating data-driven insights to a broad audience. Managed social media accounts, analyzing Instagram engagement metrics to optimize posting schedules and content strategies. Collected, validated, and reported event participation and audience interaction data. Designed dashboards and visual content to present findings and improve outreach effectiveness. Used engagement analytics to inform communication strategies and increase event visibility.
Project Manager, Scientific Association of Statistics and Data Science, University of Guilan
Sep, 2019 - May, 2022
Planned and helped run data science and statistics projects for students. Organized workshops, seminars, and training sessions to teach technical skills. Worked with students, professors, and industry guests to support learning and research. Led small student teams and made sure projects were completed on time.
Work shop cordinator, Introduction to R, Guilan University
Sep, 2021 - May, 2022
Organized and coordinated an Introduction to R programming workshop for undergraduate students. Assisted in preparing materials, managing workshop logistics, and supporting participants during hands-on sessions. Helped students understand basic R concepts, data handling, and simple statistical analysis through guided exercises.