Solomon Eseme
@kaperskyguru.bsky.social
I help you become a great backend engineer | ceo @Masteringbackend.com
Thousands of developers know Python.
But only a handful get hired for backend roles.
Here’s the truth:
→ Companies don’t hire Python learners.
→ They hire Python builders.
Let’s talk about how to stand out — even without a CS degree 🧵
But only a handful get hired for backend roles.
Here’s the truth:
→ Companies don’t hire Python learners.
→ They hire Python builders.
Let’s talk about how to stand out — even without a CS degree 🧵
November 10, 2025 at 6:00 PM
Thousands of developers know Python.
But only a handful get hired for backend roles.
Here’s the truth:
→ Companies don’t hire Python learners.
→ They hire Python builders.
Let’s talk about how to stand out — even without a CS degree 🧵
But only a handful get hired for backend roles.
Here’s the truth:
→ Companies don’t hire Python learners.
→ They hire Python builders.
Let’s talk about how to stand out — even without a CS degree 🧵
Most developers think clean code means perfect indentation, short functions, and clever names.
But true clean code in backend systems isn’t about beauty, it’s about clarity under pressure.
Let’s break it down ↓
But true clean code in backend systems isn’t about beauty, it’s about clarity under pressure.
Let’s break it down ↓
November 10, 2025 at 4:00 PM
Most developers think clean code means perfect indentation, short functions, and clever names.
But true clean code in backend systems isn’t about beauty, it’s about clarity under pressure.
Let’s break it down ↓
But true clean code in backend systems isn’t about beauty, it’s about clarity under pressure.
Let’s break it down ↓
You’ve mastered Python basics.
Variables, loops, functions, etc
But when you try to build something real, an API, a user system, a database-backed app, you freeze
Why?
Because learning Python is not the same as learning Backend Engineering
Let’s fix that 👇
Variables, loops, functions, etc
But when you try to build something real, an API, a user system, a database-backed app, you freeze
Why?
Because learning Python is not the same as learning Backend Engineering
Let’s fix that 👇
November 10, 2025 at 2:04 PM
You’ve mastered Python basics.
Variables, loops, functions, etc
But when you try to build something real, an API, a user system, a database-backed app, you freeze
Why?
Because learning Python is not the same as learning Backend Engineering
Let’s fix that 👇
Variables, loops, functions, etc
But when you try to build something real, an API, a user system, a database-backed app, you freeze
Why?
Because learning Python is not the same as learning Backend Engineering
Let’s fix that 👇
In 1995, Java promised one thing:
“Write once, run anywhere.”
Three decades later, that promise still holds, and that’s no small feat in tech.
While other languages came and went, Java kept powering the world quietly from behind the scenes.
“Write once, run anywhere.”
Three decades later, that promise still holds, and that’s no small feat in tech.
While other languages came and went, Java kept powering the world quietly from behind the scenes.
November 10, 2025 at 12:04 PM
In 1995, Java promised one thing:
“Write once, run anywhere.”
Three decades later, that promise still holds, and that’s no small feat in tech.
While other languages came and went, Java kept powering the world quietly from behind the scenes.
“Write once, run anywhere.”
Three decades later, that promise still holds, and that’s no small feat in tech.
While other languages came and went, Java kept powering the world quietly from behind the scenes.
Every slow backend has the same root problem: doing too much work too often.
The secret to speed isn’t always more servers — it’s less repetition.
That’s where caching comes in.
Let’s talk about what most engineers get wrong about it.
The secret to speed isn’t always more servers — it’s less repetition.
That’s where caching comes in.
Let’s talk about what most engineers get wrong about it.
November 10, 2025 at 10:02 AM
Every slow backend has the same root problem: doing too much work too often.
The secret to speed isn’t always more servers — it’s less repetition.
That’s where caching comes in.
Let’s talk about what most engineers get wrong about it.
The secret to speed isn’t always more servers — it’s less repetition.
That’s where caching comes in.
Let’s talk about what most engineers get wrong about it.
You’re in a backend interview.
They ask:
“How would you design a distributed job queue system that supports retries, prioritization, and horizontal scaling?”
Here's how to approach it
They ask:
“How would you design a distributed job queue system that supports retries, prioritization, and horizontal scaling?”
Here's how to approach it
November 10, 2025 at 7:56 AM
You’re in a backend interview.
They ask:
“How would you design a distributed job queue system that supports retries, prioritization, and horizontal scaling?”
Here's how to approach it
They ask:
“How would you design a distributed job queue system that supports retries, prioritization, and horizontal scaling?”
Here's how to approach it
A new course is landing on Masteringbackend.com
Design Patterns in Java
This course will detail all the design patterns you need to know as a Java Backend Engineer.
Plus, it will be added to the Java roadmap course: masteringbackend.com/courses/bec...
Design Patterns in Java
This course will detail all the design patterns you need to know as a Java Backend Engineer.
Plus, it will be added to the Java roadmap course: masteringbackend.com/courses/bec...
November 9, 2025 at 7:31 AM
A new course is landing on Masteringbackend.com
Design Patterns in Java
This course will detail all the design patterns you need to know as a Java Backend Engineer.
Plus, it will be added to the Java roadmap course: masteringbackend.com/courses/bec...
Design Patterns in Java
This course will detail all the design patterns you need to know as a Java Backend Engineer.
Plus, it will be added to the Java roadmap course: masteringbackend.com/courses/bec...
People ask me how I was able to get this domain:
Masteringbackend.com
I didn't do anything.
It was just available.
Just like masteringAI.dev was just available until I bought it.
Masteringbackend.com
I didn't do anything.
It was just available.
Just like masteringAI.dev was just available until I bought it.
November 7, 2025 at 2:29 PM
People ask me how I was able to get this domain:
Masteringbackend.com
I didn't do anything.
It was just available.
Just like masteringAI.dev was just available until I bought it.
Masteringbackend.com
I didn't do anything.
It was just available.
Just like masteringAI.dev was just available until I bought it.
Most people think Java is just “that old enterprise language.”
But here’s the twist:
Java quietly powers more of the modern backend world than most developers realize.
From banking systems to Netflix microservices, Java runs the backbone of the internet.
But here’s the twist:
Java quietly powers more of the modern backend world than most developers realize.
From banking systems to Netflix microservices, Java runs the backbone of the internet.
November 6, 2025 at 3:56 PM
Most people think Java is just “that old enterprise language.”
But here’s the twist:
Java quietly powers more of the modern backend world than most developers realize.
From banking systems to Netflix microservices, Java runs the backbone of the internet.
But here’s the twist:
Java quietly powers more of the modern backend world than most developers realize.
From banking systems to Netflix microservices, Java runs the backbone of the internet.
You’ve learned Python syntax. You’ve built small projects.
But when it’s time to apply for a backend role, everything falls apart.
Let’s unpack why that happens, and how you can bridge the gap to become a real Backend Engineer. 👇
But when it’s time to apply for a backend role, everything falls apart.
Let’s unpack why that happens, and how you can bridge the gap to become a real Backend Engineer. 👇
November 6, 2025 at 1:57 PM
You’ve learned Python syntax. You’ve built small projects.
But when it’s time to apply for a backend role, everything falls apart.
Let’s unpack why that happens, and how you can bridge the gap to become a real Backend Engineer. 👇
But when it’s time to apply for a backend role, everything falls apart.
Let’s unpack why that happens, and how you can bridge the gap to become a real Backend Engineer. 👇
In 3 days, another MB Backend Project Sprint starts.
In this one, we are building a simple URL Shortener using best backend engineering practices
Watch the video for more x.com/kaperskygur...
Join here: docs.google.com/spreadsheet...
Project details: projects.masteringbackend.com/projects/bu...
In this one, we are building a simple URL Shortener using best backend engineering practices
Watch the video for more x.com/kaperskygur...
Join here: docs.google.com/spreadsheet...
Project details: projects.masteringbackend.com/projects/bu...
Build Your Own URL Shortener API
The "URL Shortener API" will provide users with the ability to shorten long URLs and redirect visitors from shortened links to the original long URLs. The API will also offer optional features like link expiration, custom short link aliases, and analytics tracking. It will be designed to handle high volumes of requests with fast response times and ease of use.
projects.masteringbackend.com
November 6, 2025 at 1:32 PM
In 3 days, another MB Backend Project Sprint starts.
In this one, we are building a simple URL Shortener using best backend engineering practices
Watch the video for more x.com/kaperskygur...
Join here: docs.google.com/spreadsheet...
Project details: projects.masteringbackend.com/projects/bu...
In this one, we are building a simple URL Shortener using best backend engineering practices
Watch the video for more x.com/kaperskygur...
Join here: docs.google.com/spreadsheet...
Project details: projects.masteringbackend.com/projects/bu...
I want to break down backend engineering concept once every week for you.
What will be the first concept you want?
Subscribe to my channel to be notified youtube.com/@solomoneseme
Let me know when you do and reply with your challenge.
You will have a video breakdown.
What will be the first concept you want?
Subscribe to my channel to be notified youtube.com/@solomoneseme
Let me know when you do and reply with your challenge.
You will have a video breakdown.
Solomon Eseme
A Software Developer who is geared towards building high performing and innovative products following best practices and industry standards. He also loves writing and teaching about it. I'll vlogged my whole life experiences and software engineering career.
www.youtube.com
November 6, 2025 at 1:27 PM
I want to break down backend engineering concept once every week for you.
What will be the first concept you want?
Subscribe to my channel to be notified youtube.com/@solomoneseme
Let me know when you do and reply with your challenge.
You will have a video breakdown.
What will be the first concept you want?
Subscribe to my channel to be notified youtube.com/@solomoneseme
Let me know when you do and reply with your challenge.
You will have a video breakdown.
Here’s a hard truth:
Most backend devs treat the database like a black box.
They know how to “connect,” but not how to design for scale, speed, or reliability.
Let’s change that ↓
Most backend devs treat the database like a black box.
They know how to “connect,” but not how to design for scale, speed, or reliability.
Let’s change that ↓
November 6, 2025 at 12:00 PM
Here’s a hard truth:
Most backend devs treat the database like a black box.
They know how to “connect,” but not how to design for scale, speed, or reliability.
Let’s change that ↓
Most backend devs treat the database like a black box.
They know how to “connect,” but not how to design for scale, speed, or reliability.
Let’s change that ↓
You don’t need another Python tutorial.
You need proof that you can build real systems — the kind employers actually care about.
Here’s how to become job-ready with Python (without wasting months on random tutorials). 👇
You need proof that you can build real systems — the kind employers actually care about.
Here’s how to become job-ready with Python (without wasting months on random tutorials). 👇
November 6, 2025 at 10:02 AM
You don’t need another Python tutorial.
You need proof that you can build real systems — the kind employers actually care about.
Here’s how to become job-ready with Python (without wasting months on random tutorials). 👇
You need proof that you can build real systems — the kind employers actually care about.
Here’s how to become job-ready with Python (without wasting months on random tutorials). 👇
You’re in a backend interview.
They ask:
“How would you design a rate-limiting system that works across distributed backend servers and scales globally?”
Here’s how to approach it:
They ask:
“How would you design a rate-limiting system that works across distributed backend servers and scales globally?”
Here’s how to approach it:
November 6, 2025 at 7:57 AM
You’re in a backend interview.
They ask:
“How would you design a rate-limiting system that works across distributed backend servers and scales globally?”
Here’s how to approach it:
They ask:
“How would you design a rate-limiting system that works across distributed backend servers and scales globally?”
Here’s how to approach it:
The second-to-last time, I took a Quiz on Backend Engineering
I fail very badly
The last time, I passed
Why?
Because my brain thought I knew the topic already
So I didn't prepare
But when I prepared, I passed
Preparation wins each
You don't know it until you...
I fail very badly
The last time, I passed
Why?
Because my brain thought I knew the topic already
So I didn't prepare
But when I prepared, I passed
Preparation wins each
You don't know it until you...
November 5, 2025 at 9:59 AM
The second-to-last time, I took a Quiz on Backend Engineering
I fail very badly
The last time, I passed
Why?
Because my brain thought I knew the topic already
So I didn't prepare
But when I prepared, I passed
Preparation wins each
You don't know it until you...
I fail very badly
The last time, I passed
Why?
Because my brain thought I knew the topic already
So I didn't prepare
But when I prepared, I passed
Preparation wins each
You don't know it until you...
You’ve watched hours of backend tutorials.
You can explain Flask, Django, and FastAPI.
But when it’s time to build something real, you freeze.
You’re not lazy. You’re stuck in tutorial hell.
Here’s how to finally escape it (and become job-ready). 👇
You can explain Flask, Django, and FastAPI.
But when it’s time to build something real, you freeze.
You’re not lazy. You’re stuck in tutorial hell.
Here’s how to finally escape it (and become job-ready). 👇
November 3, 2025 at 5:56 PM
You’ve watched hours of backend tutorials.
You can explain Flask, Django, and FastAPI.
But when it’s time to build something real, you freeze.
You’re not lazy. You’re stuck in tutorial hell.
Here’s how to finally escape it (and become job-ready). 👇
You can explain Flask, Django, and FastAPI.
But when it’s time to build something real, you freeze.
You’re not lazy. You’re stuck in tutorial hell.
Here’s how to finally escape it (and become job-ready). 👇
Everyone starts with “Hello World.”
But staying there is like learning to say “Hi” in a new language and never holding a real conversation.
If you want a backend job, you need to build something that breaks and scales.
Let’s unpack what that means ↓
But staying there is like learning to say “Hi” in a new language and never holding a real conversation.
If you want a backend job, you need to build something that breaks and scales.
Let’s unpack what that means ↓
November 3, 2025 at 3:59 PM
Everyone starts with “Hello World.”
But staying there is like learning to say “Hi” in a new language and never holding a real conversation.
If you want a backend job, you need to build something that breaks and scales.
Let’s unpack what that means ↓
But staying there is like learning to say “Hi” in a new language and never holding a real conversation.
If you want a backend job, you need to build something that breaks and scales.
Let’s unpack what that means ↓
My newsletter "BackendWeekly.dev" is growing rapidly.
I stopped writing for a while because I was moving from platform A to B.
However, we are back fully now to demystify backend engineering concepts and help you scale your career.
I'm loving our stats for last month.
I stopped writing for a while because I was moving from platform A to B.
However, we are back fully now to demystify backend engineering concepts and help you scale your career.
I'm loving our stats for last month.
November 3, 2025 at 2:50 PM
My newsletter "BackendWeekly.dev" is growing rapidly.
I stopped writing for a while because I was moving from platform A to B.
However, we are back fully now to demystify backend engineering concepts and help you scale your career.
I'm loving our stats for last month.
I stopped writing for a while because I was moving from platform A to B.
However, we are back fully now to demystify backend engineering concepts and help you scale your career.
I'm loving our stats for last month.
You finally built your first backend in Python. It works on your local machine.
You’re proud.
Then a few users join… and it breaks.
Here’s the truth:
Writing Python is easy. Designing scalable backends is an art.
Here's how to design a scalable backend that works🧵
You’re proud.
Then a few users join… and it breaks.
Here’s the truth:
Writing Python is easy. Designing scalable backends is an art.
Here's how to design a scalable backend that works🧵
November 3, 2025 at 2:02 PM
You finally built your first backend in Python. It works on your local machine.
You’re proud.
Then a few users join… and it breaks.
Here’s the truth:
Writing Python is easy. Designing scalable backends is an art.
Here's how to design a scalable backend that works🧵
You’re proud.
Then a few users join… and it breaks.
Here’s the truth:
Writing Python is easy. Designing scalable backends is an art.
Here's how to design a scalable backend that works🧵
There’s a reason senior backend roles often list “Java” before anything else.
Not because it’s trendy, but because it builds engineers who think differently.
Java forces you to understand systems, not just code.
Not because it’s trendy, but because it builds engineers who think differently.
Java forces you to understand systems, not just code.
November 3, 2025 at 12:04 PM
There’s a reason senior backend roles often list “Java” before anything else.
Not because it’s trendy, but because it builds engineers who think differently.
Java forces you to understand systems, not just code.
Not because it’s trendy, but because it builds engineers who think differently.
Java forces you to understand systems, not just code.
You’ve finished 10 courses.
You’ve cloned YouTube, Twitter, and Airbnb.
Yet, you still don’t feel like a backend engineer.
Let’s talk about why you’re stuck in tutorial hell — and how to break free 👇
You’ve cloned YouTube, Twitter, and Airbnb.
Yet, you still don’t feel like a backend engineer.
Let’s talk about why you’re stuck in tutorial hell — and how to break free 👇
November 3, 2025 at 10:12 AM
You’ve finished 10 courses.
You’ve cloned YouTube, Twitter, and Airbnb.
Yet, you still don’t feel like a backend engineer.
Let’s talk about why you’re stuck in tutorial hell — and how to break free 👇
You’ve cloned YouTube, Twitter, and Airbnb.
Yet, you still don’t feel like a backend engineer.
Let’s talk about why you’re stuck in tutorial hell — and how to break free 👇
You’re in a backend interview.
They ask:
“How would you design a scalable real-time chat backend that supports typing indicators, message delivery guarantees, and offline sync?”
Here’s how to approach it:
They ask:
“How would you design a scalable real-time chat backend that supports typing indicators, message delivery guarantees, and offline sync?”
Here’s how to approach it:
November 3, 2025 at 8:00 AM
You’re in a backend interview.
They ask:
“How would you design a scalable real-time chat backend that supports typing indicators, message delivery guarantees, and offline sync?”
Here’s how to approach it:
They ask:
“How would you design a scalable real-time chat backend that supports typing indicators, message delivery guarantees, and offline sync?”
Here’s how to approach it:
You’re in a backend interview.
They ask:
“How would you design a distributed cache for a high-traffic system?”
Here’s how to approach it:
They ask:
“How would you design a distributed cache for a high-traffic system?”
Here’s how to approach it:
November 1, 2025 at 3:31 PM
You’re in a backend interview.
They ask:
“How would you design a distributed cache for a high-traffic system?”
Here’s how to approach it:
They ask:
“How would you design a distributed cache for a high-traffic system?”
Here’s how to approach it:
I get this DM a lot.
That's why I built @masteringbackend.com by the way.
Reading this one makes me very emotional.
I want to share this publicly and ask if anyone has anything for her.
- Mentorship
- Internship
- Entry Role
Let me know in my DM before.
Cheers.
That's why I built @masteringbackend.com by the way.
Reading this one makes me very emotional.
I want to share this publicly and ask if anyone has anything for her.
- Mentorship
- Internship
- Entry Role
Let me know in my DM before.
Cheers.
October 31, 2025 at 10:50 AM
I get this DM a lot.
That's why I built @masteringbackend.com by the way.
Reading this one makes me very emotional.
I want to share this publicly and ask if anyone has anything for her.
- Mentorship
- Internship
- Entry Role
Let me know in my DM before.
Cheers.
That's why I built @masteringbackend.com by the way.
Reading this one makes me very emotional.
I want to share this publicly and ask if anyone has anything for her.
- Mentorship
- Internship
- Entry Role
Let me know in my DM before.
Cheers.