DATA SCIENTIST — everything I build, you can verify the math.
I deliver transparent, auditable data models where every number can be checked. Specializing in quantitative research, statistical modeling, Data insights and automation.
QUANTITATIVE RESEARCH & PORTFOLIO CONSTRUCTION :
I build and backtest equities, with live execution and kill switches on Alpaca where needed. Position sizing, risk allocation, rebalancing logic, all of it grounded in the math, not gut feel.
Quick example of how I think: a momentum strategy covering 145 stocks was delivering 41% CAGR. Expanding to 245 stocks dropped it to 36%. Counterintuitive. The root cause: New stocks were selected on hot recent momentum, so by entry their cycle was already done. Built a 5-filter Monte Carlo system, tested 700+ parameter combinations, to identify which satellites are early-cycle vs peaked. Result: 43%+ CAGR with lower drawdown than the 145-only baseline. The problem wasn't the strategy. It was the timing of entry.
Another example: I built a live MBS (Mortgage-Backed Securities) forecasting and trading system for a fund client, covering 265+ cohort securities across weekly, monthly, and quarterly return horizons. The interesting part wasn't the ML, it was the feature design. Standard technical indicators on bond prices are noise. What actually drives MBS price movements is duration, convexity, prepayment rates, regime variables like curve steepness, VIX, and Fed MBS holdings. Every feature built from first principles, nothing borrowed from a vendor that can't be verified.
This is where I spend most of my time. Systematic backtests, portfolio construction, Monte Carlo optimization. No black boxes, no ML hype every output can be checked in a spreadsheet.
Not "add more data." Find the actual structure driving returns, and build features that reflect it.
DATA SCIENCE & ANALYTICS
I've worked across real estate, e-commerce, and financial analytics, usually called in when a team has data but no clear answer yet. I focus on getting to a decision you can act on, not a 40-slide deck.
Results worth mentioning:
ML automation cut a client's data processing from 286 days to 1 day, after they'd run the same manual process for two years without realizing it was automatable
Ad spend attribution model that improved campaign ROI by 25%
WHAT MAKES ME DIFFERENT
▸ I show my work. Every model, every analysis, every number comes with the method behind it, so you're never trusting a black box
▸ I'd rather tell you a strategy doesn't hold up than build you something that looks good and fails in real world.
▸ I scope real problems fast: send me what you're working with and I'll tell you within 24 hours if and how I can help
Data Analysis
Statistical Analysis
Data Science
Python
SQL
Deep Learning
Microsoft Power BI
Time Series Forecasting
Data Visualization
A/B Testing
Natural Language Processing
MQL 5
Portfolio Management
Quantitative Research
Quantitative Analysis
Quantitative Finance
Machine Learning
Financial Analysis
Risk Management
Artificial Intelligence
Aswani P.
Kozhikode, India
$20/hr
5.0
3 jobs
I’m a research scholar in statistics with over 5 years of teaching experience in the field. Whether you need advanced statistical analysis, data interpretation, or guidance in understanding complex statistical concepts, I can help.
Proficient in statistical software: R programming, SPSS, and Excel for data analysis.
Skilled in a range of statistical methods, from foundational principles to advanced modeling.
Dedicated to clear communication and ensuring insights are both accessible and accurate.
Regular updates and collaboration are essential to me, so let’s stay connected as we work together!
Bayesian Statistics
Data Analysis
IBM SPSS
Multivariate Statistics
Statistical Analysis
Statistical Programming
Statistics
Test Results & Analysis
Teaching
Analytical Presentation
Linear Programming
Microsoft Excel
Statistical Computing
Biostatistics
Mathematics Tutoring
Meenu Y.
Jaipur, India
$15/hr
4.9
20 jobs
My field of work as far is extremely Statistical Analysis, so many works I have done in it with using Excel, SPSS, SAS, R, STATA, Minitab and Power BI.
R
Statistical Analysis
Statistical Programming
SAS
Minitab
Stata
Microsoft Excel
Microsoft Power BI Data Visualization
Ishant S.
Gwalior, India
$3/hr
4.5
5 jobs
L e t ' s
c r e a t e
s o m e t h i n g
u n i q u e !
I am a research and data analyst with more than 5 years of experience. I am working as a freelancer to provide individuals and companies with specialized services in the following domains:
1. Designing and justifying research methodology
2. Survey analysis
3. Statistical reporting and analysis through SPSS, AMOS, JASP, GRETL, STATA, E-Views, Power BI, R, MS Excel, Minitab, and other software
4. Qualitative analysis, which includes interview data analysis (thematic analysis), systematic reviews, and content analysis, with the help of NVIVO, Word Stat, QDA Miner, MAXQDA, Quirkos, and other qualitative data analysis software
5. Research proposal assistance
6. Research related to social sciences, marketing, finance, accounts, economics, and other domains.
7. Proofreading dissertations and research papers.
Beyond my technical expertise, I possess excellent communication skills, enabling me to effectively collaborate with diverse stakeholders and convey complex statistical concepts in a clear and concise manner.
Overall, I am a dedicated data analyst who combines technical expertise, analytical acumen, and strong communication skills to derive meaningful insights from data and drive data-driven decision-making processes. I am passionate about leveraging data to solve real-world problems and make a positive impact in the field of analytics and beyond.
Feel free to reach out to me with any questions regarding your tasks!
Thank you for your time,
Ishant Sharma
Data Analysis
Data Science
Machine Learning
Data Visualization
Microsoft Power BI Data Visualization
Python
Data Structures
Algorithms
Tableau
pandas
NumPy
Web Scraping
Data Analysis Expressions
Rishav S.
Kolkata, India
$24/hr
5.0
17 jobs
I am a Google certified Data scientist and ML Engineer with certification in R-programming language, Python, SQL, MongoDB and SPSS. I have a real good amount of experience in statistical analysis including testing of hypothesis, regression, biostatistics, linear modelling, classification, clustering, unsupervised learning and Artificial Intelligence. I can also perform parametric and non parametric data analysis, interpretation and also offer business and research solutions!
Data Analysis
IBM SPSS
Linear Regression
R
Hypothesis Testing
Python
Growth Analytics
SQL
Machine Learning
Artificial Intelligence
Machine Learning Model
Content Creation
Academic Writing
Shweta K.
Bengaluru, India
$3/hr
5.0
2 jobs
I hold a M. Tech degree in Data Science & Machine Learning from PES University Bengaluru.
Bachelor of Engineering in Computer Science from U.V.C.E Bengaluru.
My work in AI/ML:
Computer Vision project on Football Analysis using Yolov5 pre-trained model & KMeans cluster algorithm
Worked on OpenAI LLM, vector database for Q & A app, document parsing app.
Built Classification model for Intrusion Detection in Drones.
Food delivery agency dataset visualization using Tableau.
SQL backend connectivity using Power Bi.
Mentored people build ML models. Tuning parameters and stuff.
My work on frontend Web development:
1)A fashion boutique site I designed for my friend from scratch. No
WordPress, no Workflow used.
Visibility: desktop, mobile, tablet.
2)School Quiz game.
3) Some Mini projects
a) SearchBar
b)Progress Bar
c)Form Validation
d)Countdown(Excuse me for the negative value. The countdown
uses our republic day as the reference.
e)Hamburger menu appears upon small screen size.
Wireshark network packet tracing, packet loss/retransmittion detection, network latency investigation.
Network Security debugging
Statistics
Machine Learning Model
Artificial Intelligence
Python
SQL
Tableau
Computer Vision
NLP Tokenization
Microsoft Power BI Data Visualization
Convolutional Neural Network
Transformer Model
Time Series Forecasting
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