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Giorgos Moustakas
/ introducing

Georgios.Moustakas.

Software Engineer / Greece

I build the Python and PHP backends that don't break under load. From a small town in northern Greece. Working with startups and small teams who need someone who actually owns the work, not just ships features.

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01.About me.

I'm Giorgos. I write Python and PHP for a living and have spent the last few years switching between backend code and the wires underneath it. These days I lead a small team at Datawise (out of Atlanta, though I'm in Florina) that builds Python environments for training and evaluating AI models. Before that: e-commerce backends, satellite internet troubleshooting, and a lot of late-night customer calls about DNS.

Right now: leading a team at Datawise (Atlanta, working from Greece) that builds Python tasks used to evaluate and benchmark AI models. Containers, eval harnesses, and a lot of "why did the model do that" debugging.

Before that: e-commerce backends at Brdy., satellite internet support at Bigblu, and an internal Flask tool at Nova that cut hardware-replacement time in half.

Stack I reach for daily:

PHPPythonMySQLHTML/CSSJavaScript
FIG. 02 — VITALS/ 01.B
Currently
Software Engineer (Python)
Based
Greece · UTC+2
Speaks
Greek · English
Open to
Backend, integrations, the weird stuff
PythonFlaskPHPJavaScriptPostgreSQLDockerGitLinuxNetworkingSecurityREST APIsCloudPythonFlaskPHPJavaScriptPostgreSQLDockerGitLinuxNetworkingSecurityREST APIsCloud

03.What I do.

/ 01SVC

Full-stack apps

From Postgres up to the React you click on. Next.js shops, Flask APIs, the boring middle layer that holds it all together.

/ 02SVC

Backend that holds

Python and PHP services that survive bad networks, ugly inputs, and Monday-morning load spikes. Tested. Logged. Observable.

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Cleanups & rescues

Inherited code on fire? Networking weirdness nobody can repro? I like the unglamorous work. Most things have a root cause if you keep digging.

04.Things I care about.

01
PRINCIPLE

Schema design

I write the migration myself. Indexes where queries hit. No surprise N+1s six months later.

02
PRINCIPLE

Real security

Not just JWTs and HTTPS. RBAC, secrets handling, threat modeling - the stuff that bites when you don't.

03
PRINCIPLE

Fast where it matters

Profile first, then fix. Most slow code is slow for one reason you can find in an hour.

04
PRINCIPLE

Glue work

Stripe to Postgres to the email job that fires at 9am. The integrations that make a product feel like one thing.

05
PRINCIPLE

Debugging the long way

Tcpdump if I have to. The bug usually lives in the boundary you didn't think to check.

06
PRINCIPLE

Systems that grow

Built for the next 10x, not the next 1000x. Premature scale costs more than late refactoring.

05.How we work together.

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STEP 01

Brief

You send what you have - a doc, a deck, a Slack thread, even just a rough idea. We get on a 30-min call.

/ 02
STEP 02

Plan

Within a week you get a written scope: what gets built, what doesn't, a timeline, and a fixed price. You decide.

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STEP 03

Build

Weekly Loom updates, the staging URL from day one, real code in your repo from week one. No black boxes.

/ 04
STEP 04

Ship

Production deploy + 30 days of free fixes if anything breaks. You own everything, end of story.

06.Questions you might have.

Backend systems, internal tools, integrations, e-commerce builds, anything that needs Python or PHP done right. I'm best on projects that are 4-12 weeks of work for one person. I turn down enterprise consulting and pure-design jobs.

Fixed-scope projects start around €2,500 for a focused 1-2 week build. Bigger systems land between €8k and €25k depending on what's being built. You get a fixed quote upfront, paid in milestones, no hourly surprises.

Usually within 2 weeks of the brief being signed off. If something is on fire I can sometimes move faster - say so in your message.

Always. I'm based in northern Greece, EET (UTC+2). I overlap with most of EU and the Americas East Coast for live calls. Async-first for everything else.

Standard. I sign mutual NDAs before we discuss anything proprietary. Your code stays yours, your data stays yours, no portfolio entry without your written OK.

Yes - I do a lot of work as the extra hands inside small teams. I write in your style, follow your conventions, leave the codebase better than I found it.

Got a question that isn't here? Just ask.

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07. — Get in touch

Let's build
it..

Tell me about the project. I'll come back within a day with whether I'm the right fit, a rough timeline, and a starting price. No sales pitch, no contracts to read before we even talk.