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Master in SQL
From basics to advanced — joins, window functions, CTEs, performance.
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In-depth courses, pre-recorded video lessons, and hands-on project building — Databricks, Azure, and real-world data workflows. Learn at your own pace, with expert-led guidance whenever you need it.
Founder · Certified Data Engineer
Hi, I'm Sagar — Founder of GeekCoders. I specialize in teaching Data Engineering to learners around the globe. I'm committed to helping engineers master modern data tools through practical, real-world instruction. I've built a community of 80,000+ followers across social media by sharing hands-on insights and industry experience.
A clear, phase-by-phase roadmap from foundations to GenAI. Start anywhere, build progressively, ship real projects.
Build the fundamentals every data engineer needs.
From basics to advanced — joins, window functions, CTEs, performance.
Variables, OOP, recursion, dynamic programming, and design patterns.
Delta Lake, Unity Catalog, DLT, Workflows — the full Lakehouse platform.
Sharpen your problem-solving with curated question banks.
50 real-world PySpark interview questions with detailed solutions.
Common Python interview problems — collections, generators, OOP, edge cases.
Real-world projects that go on your resume and your demo reel.
Build cloud-native data pipelines on ADF with a real end-to-end project.
Build dashboards, DAX measures, and storytelling visuals from real data.
Dimensional modeling, star schemas, slowly-changing dimensions, fact & dim.
End-to-end LLM-powered Resume Screening System with Vector Search and RAG.
The courses learners come back for. End-to-end projects, certification prep, and interview-grade question banks — built for working engineers.
50 real-world PySpark interview questions with full solutions.
12 courses covering the full Azure Data Engineer toolkit.
Four hands-on Azure DE projects on Lakehouse and Fabric.
PySpark, Delta, Unity Catalog, DLT — and certification prep.
End-to-end LLM Resume Screening on Databricks with RAG.
Well-structured, practical, and clearly explained. Highly recommend for anyone looking to transition into Generative AI.
A game-changer. The implementation was seamless and the ongoing support has been outstanding.
Got knowledge in many tools — ADF, Databricks, Python, SQL, Power BI, DevOps. After this course I got multiple offers from MNCs.
He explained almost everything used day-to-day at very affordable price. Now working at a product-based company as Azure DE.
Sagar demonstrated how to get hands dirty quickly with Azure tools and technology in real-time. Wonderful course.
All courses are 100% real-time. Currently I am working as Project Lead. I have recommended his courses to my colleagues.
Real messages from the GeekCoders WhatsApp learner community — unfiltered praise, career outcomes, and thanks from working engineers.
GeekCoders transformed my career 🚀
The Azure Data Engineering course was exactly what I needed to land my dream job at Microsoft.
Sagar's teaching style is incredibly practical 👏
10:32 AMBest investment I made in my career 💯
The Databricks certification prep was comprehensive. Got certified on my first attempt and received a 150% salary hike 🎉
2:15 PMThe GenAI course helped me transition into AI/ML space 🤖
Sagar explains complex concepts in simple terms. Highly recommend for anyone serious about data engineering.
5:48 PMFrom analyst to engineer in 6 months! 🎯
The end-to-end project course gave me real-world experience. The community support is amazing too 💚
11:04 AMThe mentorship sessions with Sagar are gold ✨
He helped me crack interviews at multiple MNCs. Now earning 2× my previous salary. Forever grateful! 🙏
8:21 PMClear, concise, and practical — that's how I'd describe GeekCoders courses ✅
The DevOps integration in the Azure course was exactly what the industry needs.
3:47 PMQuick answers about courses, mentorship, certificates, refunds, and how everything works at GeekCoders.
Still unsure?
Ask on WhatsAppMost courses are pre-recorded with lifetime access — start anytime, learn at your own pace. Some flagship cohorts (like the Gen AI Resume Screening cohort) include scheduled releases or live elements. Each course page lists its exact format.
Yes. Every course you purchase comes with lifetime access to videos, source code, and any future updates. Revisit modules whenever you need a refresher.
Yes. Once you finish all modules of a course, you receive a verified GeekCoders certificate that you can share on LinkedIn in one click.
Book a session with Sagar via Topmate. Sessions cover career advice, project guidance, mock interviews, resume reviews, and personalized roadmaps. Pay-per-session — no subscription required. Over 200 sessions conducted to date.
It depends on the course. Foundational courses assume no prior experience. Advanced courses (Databricks, Azure, GenAI) typically expect comfort with Python and SQL. Each course page lists its exact prerequisites up front.
Alumni have landed roles at Microsoft, Amazon, Google, Deloitte, Flipkart, TCS and many more — with reported salary hikes between 40% and 200%. While we can't guarantee placement, the courses are designed around real interview patterns and resume-grade projects.
Yes — there's an active WhatsApp learning community with 6,000+ members, plus an alumni network for ongoing support, networking, and job referrals. You'll get the invite link after enrolling in any course.
We offer a 7-day no-questions-asked refund window from the date of purchase. See our refund policy for full terms.
