takentui

Hi, I’m

Sergei
Solovev

Python Backend Tech Lead Agentic Engineering

I build backend platforms and share what I know about learning, work, and interviews. Here you’ll find my research, videos, and practical exercises.

Download resume Message me
YouTube ↗Telegram channel ↗Experience and case studies ↗
Sergei SolovevSergei Solovev · takentui
ResearchFeatured335What backend interviews coverTopics from real interviews, early analysis of common mistakes, and links to practice.Explore the research

[ 01 · Start here ]

Choose your next step

Resources for different stages. Choose your starting point.

01 / Learning backendGo from Python to your first projectRoadmap, stages, readiness criteria 02 / Preparing for interviewsSee what interviewers askTopics, mistakes, exercises 03 / Hiring a backend leadSee my experience and case studiesProjects, outcomes, CV

[ 02 · Read and practice ]

Resources for your next step

A selection of guides and exercises you can start today.

01Video guide · InfrastructureKubernetes interviews: from deployment to tricky questionsExplore configuration, request flow, and questions that test your understanding of the system.Open guide 02Guide · Before the callHR screening: what to prepare before the first callA short guide to your introduction, salary expectations, and questions for the company, with a checklist.Open guide 03Guide · 7 examplesHow to discuss your mistakes with STARAn answer structure and examples from technical and team situations.Open guide 04Practice · SQLTwo SQL exercises based on real work scenariosWrite queries, check edge cases, and explain your reasoning.Open guide
Browse all resources

[ 03 · Watch ]

Video breakdowns

Architecture, security, and infrastructure, with examples and explanations.

01System design

Backend architecture: from microservice to marketplace

Open on YouTube
02Security

JWT, Keycloak, Session, Basic Auth and OAuth 2.0

Open on YouTube

Learning path

Python Backend Roadmap

A free path from your first lines of Python to a project and job search preparation. Each stage includes practice and readiness criteria.

10stages to follow
9–12months at the suggested pace
1end-to-end backend project
Open roadmap