Sefik Ilkin Serengil
serengil.bsky.social
Sefik Ilkin Serengil
@serengil.bsky.social
👨‍💻Software Engineer @Neo4j 🎓 GSU alumni 🏠 West Londoner 🇬🇧UK Global Talent 🗽Neo-Liberal 💬 Code wins arguments 🔗 https://sefiks.com
Don’t underestimate peer review activities as evidence when you apply for US EB1-A and UK Global Talent. Your participation as a judge of others’ work in your field is proof your expertise is trusted internationally

sefiks.com/2025/10/19/u...
October 28, 2025 at 5:27 PM
7 Myths About the UK Global Talent and US Extraordinary Ability Visas

🔗 sefiks.com/2025/10/11/7...
7 Myths About the UK Global Talent and US Extraordinary Ability Visas - Sefik Ilkin Serengil
Discover the truth behind 7 common myths about the UK Global Talent and US Extraordinary Ability Visas. Learn what really matters.
sefiks.com
October 12, 2025 at 4:13 PM
H-1B will soon require $100K salary 💸

If you’re a skilled professional, there are better, faster ways to work in the US & UK.

📌 EB1-A (US)
📌 Global Talent Visa (UK)

I made a playlist with step-by-step guides for extraordinary professionals

🔗 www.youtube.com/playlist?lis...
UK & USA Extraordinary Talent Visas (Global Talent, EB1-A, EB2-NIW) - YouTube
In this playlist, we’ll primarily discuss strategies for securing the UK Global Talent Visa and US EB1-A & EB2-NIW, including how to obtain an endorsement, e...
www.youtube.com
September 24, 2025 at 2:25 PM
Event-Driven Architecture Explained with Python, FastAPI, Flask & Kafka

🔗 youtu.be/eIoAvfSowvk
Event-Driven Architecture Explained with Python, FastAPI, Flask & Kafka
YouTube video by Sefik Ilkin Serengil
youtu.be
September 23, 2025 at 2:21 PM
My recent talk "DeepFace: A De Facto Standard for Facial Recognition in Python" at AI Signals Meetup is now live on YouTube!
If you couldn’t attend the event, here’s your chance to watch it!
🎥 www.youtube.com/watch?v=hYZ9...
September 18, 2025 at 8:54 AM
A Practical Guide to Graph Traversal in Data Structures and Algorithms

🔗 sefiks.com/2025/09/16/a...
A Practical Guide to Graph Traversal in Data Structures and Algorithms - Sefik Ilkin Serengil
In this post, we’ll explore two core graph traversal techniques: DFS and BFS, implement them in Python and Neo4j to understand how they work
sefiks.com
September 16, 2025 at 12:01 PM
Building an Atomic, High-Throughput Election System: A System Design Case Study

🔗 sefiks.com/2025/09/15/b...
Building an Atomic, High-Throughput Election System: A System Design Case Study - Sefik Ilkin Serengil
We'll build a real-time, high-throughput election result tracker with Redis, using atomic, idempotent vote counting for fast results.
sefiks.com
September 15, 2025 at 5:05 PM
I will be speaking at AI Signals on 16th Sep about "DeepFace: A De Facto Standard for Facial Recognition in Python". If you’ll be in the city and want to say hi, you’re more than welcome to join!

📅 Tue, 16th Sept 6:30pm
📍 Civo Tech Junction, London
🔗 aisignals.org.uk/events/ai-si...
September 10, 2025 at 3:24 PM
A Practical Guide to Event-Driven Architecture in Python, FastAPI and Kafka

🔗 sefiks.com/2025/09/10/a...
A Practical Guide to Dependency Injection and Event-Driven Architecture in FastAPI and Kafka - Sefik Ilkin Serengil
FastAPI has quickly become one of the most popular frameworks in the Python ecosystem because of its modern design, async-first … More
sefiks.com
September 10, 2025 at 11:49 AM
How Starbucks manages queues?

☕ One barista takes your name & order
☕ Another makes your drink
☕ Other restocks beans

Each is triggered by an event. In software, we call this Event-Driven Architecture.

Explained it with Python + Flask + Kafka

👉 sefiks.com/2025/09/04/a...
A Gentle Introduction to Event Driven Architecture in Python, Flask and Kafka - Sefik Ilkin Serengil
In this blog post, we’ll explore how to implement an event-driven system in Python and Flask using Kafka as a message broker.
sefiks.com
September 4, 2025 at 12:32 PM
We use cosine/Euclidean for embedding models to make hard classifications. But it has a big limitation: no confidence and no interpretability.

In my latest post, I show how to use logistic regression to turn distances into percentage confidence scores

sefiks.com/2025/09/02/f...
How to Calculate Percentage-Based Confidence Scores from Similarities of Embedding Models - Sefik Ilkin Serengil
Embedding models have become a cornerstone of modern machine learning, powering everything from recommendation engines and document search to verification … More
sefiks.com
September 3, 2025 at 1:34 PM
MVP renewed ✨
August 16, 2025 at 7:36 AM
The UK 🇬🇧 Global Talent & US 🇺🇸 EB1-A / EB2-NIW visas offer:

🏡 Live in the UK or US
💼 Work without employer sponsorship
⚡ Fast-track approval, no backlogs

Your publications could be your ticket 🎟

📹 youtu.be/aNMwDQo1xus
Publications for UK & USA Extraordinary Talent Visas
YouTube video by Sefik Ilkin Serengil
youtu.be
August 11, 2025 at 12:27 PM
🚀 New in DeepFace v0.0.94

✅ Confidence score (0–100)
✅ Logistic regression under the hood
✅ Works in verify, find, & stream

🎥 youtu.be/QQ4vO6UOsFo
What’s New in DeepFace: Confidence Score & Smarter Predictions
YouTube video by Sefik Ilkin Serengil
youtu.be
August 10, 2025 at 7:29 AM
Reaganism, Thatcherism and Besimizm
August 1, 2025 at 2:39 PM
🚨 New Feature Alert

Beyond distance and hard classifications - now, it gets a confidence score with logistic regression!

Tell you how likely two faces belong to the same person — not just yes or no.

Smarter. More flexible. Still free & open-source.

🔗 github.com/serengil/dee...
July 31, 2025 at 7:00 PM
An Interstellar Milestone: DeepFace just passed 20,000 Stars on GitHub 🎉 A huge thanks to its amazing community for making this possible 🙏

🔗 github.com/serengil/dee...

Haven't starred the repo yet? Your star can help spread the word about this cool project!

#python #deepface
July 29, 2025 at 8:55 AM
What Are Vector Embeddings? And Why They Matter in AI

Embeddings power facial recognition, search and LLMs. They work with even 512d vectors but as humans we can understand vectors up to 3 dimensions.

Read my blog post to figure out embeddings simply

sefiks.com/2025/06/28/w...
What Are Vector Embeddings? And Why They Matter in AI - Sefik Ilkin Serengil
If you’ve spent time exploring machine learning or AI recently, you’ve probably heard the term “embedding” — vector embedding, word … More
sefiks.com
June 30, 2025 at 10:54 AM
Did you know your open source contributions can significantly strengthen your UK Global Talent Visa application?

🔗 youtu.be/F3rAfuWGO3g
Open Source as Evidence for UK Global Talent Visa
YouTube video by Sefik Ilkin Serengil
youtu.be
May 21, 2025 at 2:14 PM
İngiltere Yeni Göç Politikası ve Global Yetenek Vizesi
youtu.be/vWQk7qB8omk
İngiltere Yeni Göç Politikası ve Global Yetenek Vizesi
YouTube video by Sefik Ilkin Serengil
youtu.be
May 18, 2025 at 8:23 AM
Is Global Talent Visa Still Worth It After the New UK Immigration Policy?
youtu.be/SonktpJ_6GY
Is Global Talent Visa Still Worth It After the New UK Immigration Policy?
YouTube video by Sefik Ilkin Serengil
youtu.be
May 16, 2025 at 1:33 PM
🇬🇧 The Life in the UK test is also set to change under the new immigration rules. Now may be the best time to take it before new rules come in.

youtu.be/X7JXH1KR9MQ

#uk #immigration
How To Pass The Life in the UK Test for British Citizenship
YouTube video by Sefik Ilkin Serengil
youtu.be
May 15, 2025 at 3:14 PM
The UK governments' plans released today and propose increasing the permanent residency requirement from 5 to 10 years.

Switching to the Global Talent visa may make you immediately eligible for ILR!

A full section is dedicated to Global Talent…

www.youtube.com/watch?v=Bzpc...
How I Got Endorsement for UK Global Talent Visa As A Software Engineer
YouTube video by Sefik Ilkin Serengil
www.youtube.com
May 12, 2025 at 2:39 PM
🇬🇧 Planning to become a British citizen? You’ll need to pass the Life in the UK Test first.

This fast-track guide covers everything you need to know with easy-to-remember supporting visuals.

📺 youtu.be/X7JXH1KR9MQ
Fast-Track Guide To The Life in the UK Test for British Citizenship
YouTube video by Sefik Ilkin Serengil
youtu.be
May 2, 2025 at 1:27 PM
Süresiz oturum izni, İngiliz vatandaşlığına giden yolda önemli bir aşamadır 🇬🇧. Çoğu vize türünde bu süreç genellikle 5 yıl sürerken, ancak ben 3 yıldan kısa bir sürede alabildim⏳ Hızlı yolunu öğrenmek için bu videoya göz atın.

🔗 youtu.be/boJbGvHghPA
İngiltere'de Süresiz Oturumu (ILR) 3 Yıldan Kısa Sürede Nasıl Aldım?
YouTube video by Sefik Ilkin Serengil
youtu.be
April 29, 2025 at 1:59 PM