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Big Data Developer

Big data developers build the systems that collect, store and process huge amounts of data so analysts and AI models can use it.

Class 11–12 subjectsPhysics, Chemistry, Maths
Entrance / admissionJEE Main / TNEA
DegreeB.E. / B.Tech CSE or AI & Data Science
Duration4 years

Your route, step by step

  1. 1Class 11–12: take PCMMaths (statistics, functions) matters most; start learning Python if you can.
  2. 2Choose a degreeB.E. / B.Tech CSE / IT / AI & Data Science, or B.Sc Computer Science / Statistics.
  3. 3Learn data engineeringProgramming, SQL, distributed processing and cloud tools; build projects.
  4. 4GrowData engineer, then lead or data architect.

What a big data developer does

  • Build data pipelines
  • Work with distributed data systems and the cloud
  • Clean and organise large datasets
  • Support analysts and data scientists

Entrance exams & admission

  • JEE MainNITs, IIITs and many colleges
  • TNEATamil Nadu engineering seats, on Class 12 marks
  • Class 12 marksB.Sc in most Tamil Nadu arts & science colleges

Where you may work

Technology firms, banks, e-commerce, telecom, healthcare analytics and consulting firms.

Well-known colleges in and near Tamil Nadu

  • IIT Madras
  • NIT Tiruchirappalli
  • College of Engineering Guindy (Anna University)

Official links

Links checked: Oct 2026. Always confirm dates and rules on the official site.

Outlook

Every data-driven organisation needs data engineers; this role often pays better than general development.

Specialise later

  • Data engineering
  • Cloud data platforms
  • Streaming data
  • Data architecture
  • MLOps