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YichengCode

Available for new projects

Your servers, built right.
Your code, shipped fast.

I'm Dylan, a full-stack engineer with 18 years of experience. I set up, deploy, secure and maintain servers — and build the software that runs on them. One engineer, the whole stack, a fixed price agreed upfront.

dylan@yichengcode: ~/deploy

18+

Years engineering

Full-stack

Servers to frontend

24h

Quote turnaround

PayPal

Invoiced & secured

// what I do

From bare metal to production-ready apps.

Every service has a clear starting price. The final price depends on your setup and is agreed in writing before work begins.

Need ongoing care instead of a one-off job?

Monthly maintenance: updates, monitoring, backups and a fixed number of requests — from $49/mo.

View plans

// stack

The tools your project already uses.

Linux Nginx Docker Kubernetes Terraform GitHub Actions GitLab CI Prometheus Grafana AWS Google Cloud Azure DigitalOcean Hetzner Vultr Alibaba Cloud Cloudflare PHP / Laravel Node.js Python Django FastAPI Go Java / Spring React Next.js Vue Nuxt TypeScript Tailwind CSS MySQL PostgreSQL MongoDB Redis Elasticsearch SQLite WordPress WooCommerce Shopify Stripe PayPal OpenAI Claude RAG

// how it works

Simple, transparent, on the record.

  1. 01

    Describe your project

    Fill in a short form or send an email. Plain language is fine — no spec required.

  2. 02

    Written quote in 24h

    You get a clear scope, a timeline and a fixed price. Nothing starts until you approve it.

  3. 03

    Pay by PayPal, work starts

    I send a PayPal invoice. Larger projects are split 50% upfront, 50% on delivery.

  4. 04

    Delivery + 7-day warranty

    You get the result, a handover document, and 7 days of free fixes for anything in scope.

// why work with me

Senior experience, without agency overhead.

18 years of building and running production systems — from bare-metal servers to cloud platforms, from backend APIs to modern frontends. You get a senior engineer's judgement at a freelancer's price.

More about me

Fixed, written quotes

You know the price before anything starts. No hourly meter running in the background.

Senior engineer, hands-on

You talk to the person who does the work. Nothing is outsourced or passed to juniors.

Asia time zone

Based in UTC+8: work often happens while you sleep, and you wake up to it done.

Documented handover

Every job ends with notes: what changed, where things live, how to run it yourself.

// faq

Questions, answered.

How does pricing work?

Every service has a starting price. Tell me what you need, and within 24 hours I reply with a written scope and a fixed price. No hourly surprises — the price we agree is the price you pay.

How do I pay?

By PayPal invoice. Once you approve the quote, I send an invoice from PayPal; you can pay with your PayPal balance or any major card through PayPal. Larger projects are split into two payments: 50% to start, 50% on delivery.

What access do you need?

Usually an SSH user or a cloud account role with the permissions the job needs — nothing more. You create it, and you can remove it the moment we are done.

Can you take over a server someone else set up?

Yes. Most of my work starts that way. I begin with a short audit so we both know what is running before anything changes.

Where are you based? What about time zones?

I am based in China (UTC+8). For clients in the US and Europe, that often means work happens overnight and you wake up to it done.

What if I am not happy with the result?

If the delivered work does not match the agreed scope, I fix it at no cost. If work has not started yet, you get a full refund. See the refund policy for details.

Do you sign NDAs?

Yes. Your code, data and credentials stay confidential, and I am happy to sign your NDA before we start.

// let's build

Have a project in mind?

Describe what you need. Within 24 hours you get a written plan and a fixed price — no obligation.