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OneCard

Big Data Analytics Intern

InternshipIn OfficeKochi, Kerala6 months18K/mo14 openingsImmediate / Rolling
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About this internship

Start your career in large-scale data processing with OneCard as a Big Data Analytics Intern in Kochi. You will sit with a working team, use the same tools and systems they do, and own a defined piece of work from day one. About the role As a Big Data Analytics Intern at OneCard, your core focus…

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Skills you'll use

Apache SparkPython (PySpark)SQLDistributed ComputingHadoop Ecosystem BasicsData PartitioningQuery OptimisationCloud Data PlatformsParquet & Columnar FormatsPerformance Tuning

What you'll do

  • Work on analysing datasets too big for a single machine without waiting all day for results alongside the core team
  • Apply Apache Spark, Python (PySpark), SQL, Distributed Computing to live, production-facing problems
  • Document your work clearly for reviewers and stakeholders
  • Participate in reviews and act on the feedback you receive
  • Collaborate across engineering, product, design or business as required
  • Follow the team's quality, testing and documentation standards

Who can apply

  • Pursuing or recently completed B.E./B.Tech (CSE/IT), MCA or M.Sc (Computer Science / Data Science)
  • Graduating batch 2025, 2026 or 2027 — final-year students and recent graduates welcome
  • 60% / 6.0 CGPA and above preferred; strong project work is considered alongside academics
  • Working knowledge of Apache Spark, Python (PySpark), SQL (or a genuine willingness to learn them)
  • Exposure to Distributed Computing, Hadoop Ecosystem Basics, Data Partitioning is an advantage
  • Clear written and verbal communication in English, and care with detail in your work
  • No prior work experience required — this is a fresher-friendly internship
  • Based in Kochi, Kerala or willing to work from there for the internship period

Perks & benefits

Letter of RecommendationMentorship from a named mentorLive project experienceExposure to professional tools and workflowsPre-Placement Offer (PPO) opportunity

Interview & selection process

4 rounds — typical selection flow for this role:

  1. 1Application screening & resume shortlisting by the talent team
  2. 2Online aptitude / domain assessment
  3. 3Technical interview on fundamentals and your projects
  4. 4HR discussion — stipend, start date, expectations and offer

About OneCard

OneCard operates in the fintech sector and has an active presence in Kochi. Interns here are put on real work from the start, because the team's view is that the fastest way to learn a craft is to practise it under people who already do it well — not to watch it from a distance. The work runs at…
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