IT Career Guides & Free Resources
Expert roadmaps, tutorials, salary guides and interview prep across Data Science, Generative AI, Python, Cloud & Analytics — written by GloryTecks trainers in Hyderabad.
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GCP Interview Questions for Data Engineers, Part 2: The Apache Beam Coding Round
Dataflow roles often include a short Apache Beam coding exercise. The tasks are small, but they show whether you think in PCollections and combiners or in loops. Here are five typical tasks, solved and run locally on real data, with what each one tests and the follow-up questions interviewers ask.
AWS Data Engineer Salary in India 2026: Does AWS Experience Pay?
Does AWS experience actually raise pay in India, or is it just a line on a CV? Real 2025 survey data for India gives a clear answer when people are compared with others of the same experience: AWS users earn more, and AWS combined with infrastructure skills earns more still. Here is the data and what to do with it.
Data Science Companies in Hyderabad: Employers With Official Tech Centres (2026)
Lists of 'top data science companies hiring in Hyderabad' rarely say how they know. This one includes only employers whose own announcements or official pages confirm a Hyderabad technology, data or AI centre, each with its date. Then it shows how to check who is actually hiring this month, which no list can tell you.
AWS Certification Path for Data Roles
A guide to AWS certifications for people in data roles, based on AWS's current exam-guide catalogue: the levels and what each certification validates, paths for data engineers, analysts and machine learning engineers, what the exams cost and how long they last, and what a certificate does and does not prove.
Azure Data Engineer Certification (DP-203) Guide
Exam DP-203 and the Azure Data Engineer Associate certification were retired on 31 March 2025. This guide explains what that means for people who hold it or were studying for it, what the exam covered, how the Fabric Data Engineer Associate exam DP-700 differs, and how to plan your preparation now.
GCP Professional Data Engineer Certification Guide
The Professional Data Engineer exam tests design judgement more than commands. This guide sets out the facts from Google's exam page, the five sections and their weights, a table matching the product names in the exam guide to the names in today's documentation, and a way to prepare by building.