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Achievement: Pull Sharkx2Achievement: YOLO

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Achievement: Pull Sharkx2Achievement: YOLO

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unsound-mint/README.md

Hi, I'm Denis

I'm a backend and systems developer based in Astana, Kazakhstan, and a Computer Science student at Nazarbayev University. I build and operate production applications, contribute to open-source systems software, and work on scientific computing.

I'm interested in backend, systems, and full-stack roles and internships, remote or in Astana.

Production work

  • Happy End — An e-commerce platform with ~7,000 monthly users. I develop and operate it end to end, including its Next.js storefront, PostgreSQL database, PHP API, payments, and monitoring.
  • City news platform — A multi-tenant platform for two regional portals, built with Go and PostgreSQL. It includes row-level-security tenant isolation, hybrid search, a retrieval assistant, automated deployments with rollback, and observability.

Open-source contributions

  • MangoHud — Merged fixes for EGL vsync, logging, and CPU temperature handling.
  • GPUArrays.jl — Merged changes to GPU range indexing and fast-math reductions.

I also have open contributions to ROCm, gamescope, DNF5, and scientific software.

Selected projects

  • payhook — Go payments and webhooks service built around idempotency, signed callbacks, a transactional outbox, and retries. Includes a Helm chart and AWS infrastructure.
  • MusicRoomBot — Telegram booking bot used by ~200 Nazarbayev University students since December 2025. Uses Python and PostgreSQL to prevent double bookings.
  • nuclear-morphometry — GPU pipeline for 2D and 3D analysis of cell nuclei in microscopy images.
  • vbench — Measures energy, latency, and memory use for video classification on consumer GPUs.

I also work on Julia pipelines for large 3D astronomical datasets on the university HPC cluster.

Tools

Go · Python · Julia · TypeScript · PostgreSQL · Linux · Docker · Kubernetes · Terraform · AWS · Prometheus · Grafana

LinkedIn · Email

Pinned Loading

  1. MusicRoomBot MusicRoomBot Public

    Telegram booking bot for Nazarbayev University's Music Room, used by ~200 students since Dec 2025: no double-booking, location check-ins, reminders. Async Python, PostgreSQL.

    Python

  2. payhook payhook Public

    Payments & webhooks service in Go: idempotency, signed webhooks, transactional outbox to NATS JetStream, retries with dead letters

    Go

  3. vbench vbench Public

    Energy, latency and memory measurement for fine-tuning and inference of video classification models on consumer GPUs

    Python

  4. payhook-infra payhook-infra Public

    Terraform for payhook on AWS: VPC, ALB + Auto Scaling, RDS, Secrets Manager, CloudWatch alarms, GitHub OIDC deploys, terraform test, tflint, Trivy

    HCL

  5. nuclear-morphometry nuclear-morphometry Public

    GPU pipeline for 2D/3D morphometry of cell nuclei from confocal microscopy: Cellpose-SAM segmentation on CUDA, calibrated measurements, Parquet outputs with run provenance

    Python