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Denis Ten

@detrixConnected with DSML. This person's Telegram account has been confirmed through DSML Kazakhstan.

Backend/ML Engineer

Graduated from Nazarbayev University with a Bachelor's and a Master's Degree in Computer Science, with experience in research and coding.

Open to

Learning with othersProject collaborationResearch collaborationHiring & referralsStartup collaboration

Featured

Career

Experience: 3 years

Experience

Machine Learning Research Engineer

Nazarbayev University

May 2025 — Present

Forecasting Pipeline: Built a weakly supervised time-series pipeline for four wheat diseases, processing 666,000+ hourly records per location and engineering rolling weather features over 3–72-hour windows; Model Evaluation: Benchmarked XGBoost, Random Forest, Logistic Regression, 1D CNN, LSTM, and GRU models, and evaluated generalization across three climatic regions;

Backend Developer

italita.kz

Mar 2025 — Dec 2025

Backend Platform: Built an asynchronous FastAPI service integrating amoCRM, iiko, Yandex Delivery API, and PostgreSQL for multi-location restaurant order processing and analytics; Performance & Testing: Reduced order ingestion latency from 3.2 s to 1.3 s (59%) and tested REST endpoints and integration workflows using pytest and Postman;

Machine Learning Research Engineer – Reinforcement Learning

Nazarbayev University

Feb 2024 — Dec 2024

Reinforcement Learning: Built a custom Gymnasium/SimPy environment for a Time-Slotted LoRa simulator and trained a DQN agent to select 1–3 uplink attempts from PRR, RSSI, and spreading-factor observations; Optimization & Engineering: Reduced uplink transmissions by approximately 47% while maintaining 0.90–1.00 PRR and refactored a monolithic 1,000+ line codebase into modular components;

Software Engineer – Robotics & Embedded Systems

Aspan Technologies

Jul 2023 — Mar 2024

Rover Software: Developed Python and C++ ROS components integrating GPS, cameras, motor control, and remote operator commands for a rover competing in the University Rover Challenge 2024; Communication Systems: Integrated LoRa rover-to-base communication and prototyped WebRTC camera streaming with WebSocket signaling, OpenCV, and fail-safe connection handling;

Education

BSc in Computer Science

Nazarbayev University

2020 — 2024

cGPA: 3.17/4.00 (Dean's List Spring 2024)

MSc in Computer Science

Nazarbayev University

2024 — 2026

cGPA: 3.42/4.00 (Ranked 7th/37)

Selected projects

Customer Onboarding Funnel Analysis (Datathon 2025 – 3rd Place)

Analyzed tens of millions of onboarding events and benchmarked CatBoost, Random Forest, and XGBoost models; identified KYC verification as the primary conversion bottleneck and proposed product improvements to reduce customer drop-off

Enterprise Merchandise Order Bridge

Built a FastAPI and PostgreSQL service connecting an internal merchandise store with a Bitrix24-based supplier, synchronizing catalog and stock data and managing order reservation, cancellation, and status callbacks; implemented HMAC signing and API key authentication, idempotency, Alembic migrations, scheduled synchronization, webhook auditing, and automated tests with pytest

Cross-System Marketing Analytics Platform

Built an ETL and analytics platform combining amoCRM, clinic ERP, and marketing spend data through entity matching and deduplication; implemented webhook and polling synchronization, PostgreSQL storage, and FastAPI endpoints for ROMI, CAC, LTV, funnel, retention, cohort, and revenue metrics

Skills

PythonCC++FastAPISQLPostgreSQLREST APIspytestDockerPyTorchscikit-learn