Data Career Guide — From Analyst to Engineer
Everything you need to know about data careers: roadmaps, salaries, certifications, and role comparisons.
11 articles in this guide
SQL
Python
The Data Scientist Roadmap for 2026: From Analyst to ML Practitioner
A 12-month roadmap from data analyst to data scientist — math foundations, Python ML stack, deep learning, MLOps, and the PhD debate.
The Software Engineer Roadmap for 2026: From Zero to Your First Job
A 12-month roadmap to becoming a software engineer — frontend vs backend, languages, frameworks, CS fundamentals, LeetCode strategy, and portfolio projects.
The Backend Engineer Roadmap for 2026: APIs, Databases, and Everything Between
A 12-month roadmap to backend engineering — Node.js vs Python vs Java vs Go, REST vs GraphQL, PostgreSQL, system design, and deployment.
The AI Engineer Roadmap for 2026: Building with LLMs, RAG, and Agents
A 12-month roadmap to AI engineering — LLM APIs, RAG architecture, vector databases, AI agents, prompt engineering, and deployment.
data-analyst
Data Analyst vs Data Scientist vs Data Engineer: The 2026 Decision Guide
DA $83K, DS $120K, DE $130-150K. The data engineer makes the most now — nobody expected that. A focused 3-way comparison with career switching paths.
The Analytics Role Confusion: Business Analyst, Data Analyst, BI Analyst — What's the Actual Difference?
Business Analyst, Data Analyst, BI Analyst, Analytics Engineer, Data Scientist — the titles multiply but the clarity doesn't. A comprehensive, data-backed guide to what each role actually does, what they pay, and why companies keep getting the titles wrong.
analytics
How I Built an Admin Panel That Replaced 5 SaaS Tools
Why I built a custom admin dashboard instead of paying for Google Analytics, a user management tool, content moderation, a payment dashboard, and scraper monitoring — and how it works under the hood.
I Track Every Search Query on My Platform — Here's What I Learned
How custom search logging replaced Google Analytics as the primary product decision tool, the proxy chain bug that gave wrong geolocation data for weeks, and what search behavior in Azerbaijan actually looks like.
I Scraped 91 Job Sites for Azerbaijan — Here's What the Data Actually Shows
8,600+ active jobs across 77 sources. 700 new postings every weekday. Banking dominates, international firms are expanding, and no single platform has more than 10% of the market. Real data from BirJob's scrapers.
data-analytics
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Read guideDeveloper Roadmaps 2026 — From Beginner to Senior
Step-by-step roadmaps for every developer path: frontend, backend, DevOps, cloud, mobile, ML, and more.
Read guideBest Tech Certifications Guide — Free and Paid
Comprehensive guide to certifications that matter: AWS, Azure, Google, CompTIA, and free alternatives.
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