gr33njj.dev
Fullstack · Frontend · Backend · Design

Every facetof your product,one engineer.

I turn raw ideas into products that look expensive and ship on time. Frontend, backend, architecture, design — handled end to end, without a five-person team.

One point of contact
Design → production
Reply within a day
ice
01 — What I do

Approached from every angle

Most projects break at the seams between disciplines. I work every facet at once — so there are no seams to break.

FRONTEND

Interfaces people trust

Pixel-clean UI, smooth motion and fast loads — the polish clients feel before they can name it.

BACKEND

Systems that hold

APIs, databases, auth and infrastructure built to scale quietly instead of breaking loudly.

FULLSTACK

The whole loop

From the data model to the exact button a user clicks — one head keeps the whole thing coherent.

DESIGN

It looks expensive

Layout, brand and UX that make you look serious to your own clients and investors.

Tools I reach for
React
Next.js
TypeScript
Node.js
Python
FastAPI
PostgreSQL
Redis
Docker
Kubernetes
CI/CD
Nginx
Prometheus
Grafana
Tailwind
Figma
React
Next.js
TypeScript
Node.js
Python
FastAPI
PostgreSQL
Redis
Docker
Kubernetes
CI/CD
Nginx
Prometheus
Grafana
Tailwind
Figma
02 — Work

Selected work

A few things I have shipped — real cases with code on GitHub. Ask me for the live ones.

FullstackCRM

lis-mini

Lightweight CRM for small business: fast deployment, minimal interface, no training needed.

ResultClient management without the bloat.

PythonFastAPIReactPostgreSQL
skangar-landing
SEOContent

skangar-landing

A landing page that outgrew itself into content infrastructure: 75 city pages with real regional specifics, a 13-article knowledge base with a 37-term glossary.

ResultStructured data on every page, cluster internal linking.

PythonJinjaJSON-LDnginxView case
mydoc-loyalty
PWAAndroidiOS

mydoc-loyalty

Loyalty and booking app for a medical clinic: online appointments, e-records, bonuses and gift cards — live in Google Play and RuStore.

ResultShipped product used by real patients.

FastAPIPostgreSQLRedisDockerView case
FullstackWebRTC

telemedicine

Platform for online doctor consultations with real-time video over WebRTC.

ResultMVP launched and validated.

PythonWebRTCRedis
Web3R&D

tron-staking-app

Experimental TRX staking app with yield tracking — a deep dive into blockchain mechanics.

ResultFrom zero to working on-chain flow.

Web3ReactTron API
TRAD3
TradingAutomation

TRAD3

A reversal-detection system for crypto perpetuals: weighted scoring instead of a rigid state machine, no repainting, alerts straight to Telegram.

Result27 instruments tracked 24/7, running in paper mode.

PythonFastAPISQLiteTelegram Bot APIView case
GAZON
AI AgentsCI/CD

GAZON

A Unity 6 WebGL game built almost entirely through CI — a self-hosted runner, headless Claude Code and a scene generated from code, with no Unity Editor on the server.

Result13 issues closed by one agent commit.

Unity 6C#GitHub ActionsClaude CodeView case
03 — Approach

How I actually work

You do not need to understand the tech. You need someone who owns the result, speaks plainly, and shows working things — not slides full of promises.

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gr33njj
multitool engineer
01

I speak outcomes, not stacks

You tell me the goal; I translate it into a build and a timeline in language you can repeat to your boss.

02

One person accountable

No hand-offs between three contractors. One head owns design, code and delivery from first call to launch.

03

Working demos, not promises

You see something real early and often — so trust is earned by proof, not by invoices.

04

Code that outlives launch

Clean, documented and maintainable — so the next developer thanks you instead of rewriting everything.

04 — Contact

Let's build the thing

Tell me the task in two lines and I will come back with a plan, a price and a timeline. No jargon, no runaround.