Vladislav KhorunzhiyTelegram

Software engineer

Architecture, design, and deployment.

Over 6 years in production software development. I design backend services, full-stack products, and visually precise web interfaces.

View projectsDeveloper profile
6+ yearsproduction backend
Go · TS · Rustprimary languages
Fintech · Highloaddomain experience

How the engagement works

  1. Send a short brief
  2. Discuss the requirements
  3. Schedule a call if useful
  4. Agree scope and estimate
  5. Build and deploy the project
  6. Hand over and support

Engineering products

Product systems: APIs, databases, and operational workflows.

Every project below links to its live site and opens in a new tab.

  1. 01

    RelayOS

    In production

    RelayOS B2B product interface

    B2B execution system: decisions from meetings become coordinated work and connect to code delivery.

    Contribution
    Product architecture, interface, full-stack
    Stack
    Next.js · PostgreSQL · Realtime
  2. 02

    Rust Interview Trainer

    In production

    Rust course levels and assignments map

    Full learning product: 58 engineering missions, 277 hidden tests and isolated Rust-code execution.

    Contribution
    Architecture, curriculum, frontend, Rust API
    Stack
    Rust · Next.js · PostgreSQL
  3. 03

    Cinema Study

    In production

    Cinematic interface for the Cinema Study project

    Full-stack application: catalogue, authentication, favourites, reviews, API and server-side rendering from PostgreSQL.

    Contribution
    Frontend, BFF, API, data
    Stack
    Next.js · NestJS · Prisma

Selected design work · 2026

Web design: 3D, editorial products, and motion.

ТрансМегаЛинкДон website hero with a three-dimensional satellite dish
01In production

ТрансМегаЛинкДон

Website for an engineering company with an interactive 3D scene and a step-by-step explanation of a complex service.

Contribution
Structure, interface, 3D, frontend, launch
Stack
Next.js · TypeScript · React Three Fiber
Interactive 3D scene of a private house on the ATRIUM website
02In production

ATRIUM

An architectural interface where the camera, lighting and materials are synchronized with the scroll narrative.

Contribution
Narrative, 3D, configurator, responsive implementation
Stack
Next.js · Three.js · WebGL
Editorial hero for the ПАЛАТА exhibition space
03In production

ПАЛАТА

An editorial website for an exhibition space with video, embedded content controls and version history.

Contribution
Art direction, frontend, CMS
Stack
Next.js · Inline CMS · Media
≤17 short-film festival website hero
04In production

≤17

A short-film festival website with video scenes, kinetic typography and a guided path through the programme.

Contribution
Motion system, Canvas, frontend
Stack
Next.js · Canvas · Motion

Project collection · 4 works

Four independent web projects.

A concise selection of product websites for travel, expeditions, smart homes, and digital services. Each entry uses the real hero screen of the project.

01

МЕРИДИАН

In production

МЕРИДИАН Swiss Alps hiking club hero

Hiking club website for the Swiss Alps: routes, itinerary and an application form.

HTML · CSS · JavaScript

02

ТРОПА СЕВЕРА

In production

ТРОПА СЕВЕРА expedition website hero

Six-day taiga itinerary: day-by-day programme, equipment, camp and route video.

HTML · CSS · Video

03

DOMENTA

In production

DOMENTA wired smart-home website interface

Website for a wired home-automation system covering lighting, climate, blinds and security, with a project breakdown.

Next.js · TypeScript · React

04

АЙВИ

In production

АЙВИ AI website assistant interface

AI assistant for a website: answers from company data and hands a prepared request to a person.

HTML · CSS · JavaScript

Profile / 2026

Production backend and product development in one profile.

HeadFrame, Delimobil, and Halyk Bank. Go systems for mining, telemetry, and payments — from Stratum relay and 40K ASIC connections to 30K-vehicle fleets and idempotent payment flows.

Open résumé
01

~20K mining-pool clients and 25K Redis writes / sec

02

Fleet telemetry for more than 30,000 vehicles

03

Payment services, idempotency, and online banking

Fixed-scope starting point

One-page website

A focused landing page for a product, service, or new direction: clear structure, one visual direction, responsive implementation, restrained motion, a contact path, Git, and publication preparation.

Scope
Agreed in writing
Timeline
Defined after the brief
Commercial terms
Written estimate and invoice

Complex products, 3D scenes, CMS work, and integrations are scoped separately after a short technical discussion.

International projects

Start with the problem and a workable scope.

Send the context, desired outcome, audience, references, and any existing materials. We will clarify the scope before terms or payment are agreed.
  1. 01Brief and technical discussion
  2. 02Written scope and estimate
  3. 03Agreement and invoice before work begins
Start a discussionSend an email

Contact

Discuss a product or engineering task.

Send a short brief with the context, desired outcome, and current stage of the project. We can continue by message or arrange a call if useful.

@VladislavSpasennikov v.m.khorunzhiy@yandex.ru