T

Data Scientist Apprentice

TNS

707
India
Posted about 1 month ago
On-siteFull-timeNot specified₹3L–6L (estimated)

About the Role

An extraordinarily talented group of individuals work together every day to drive TNS' success, from both professional and personal perspectives. Come join the excellence! Overview Transaction Network Services (TNS), a Koch Industries company is seeking a talented and motivated data scientist to work within our AI Labs, India. As a Data Scientist, you will play a crucial role in analyzing complex datasets, building statistical and deep learning models, and implementing machine learning solution…

Key Responsibilities

  • 1

    Develop and deploy machine learning models for business problems.

  • 2

    Perform exploratory data analysis and feature engineering on large datasets.

  • 3

    Evaluate model performance using appropriate metrics and iterate on improvements.

  • 4

    Collaborate with product and engineering teams to integrate ML models into production.

  • 5

    Monitor model performance and retrain as needed.

  • 6

    Write clean, maintainable Python code and document work thoroughly.

  • 7

    Stay current with the latest ML research and apply relevant advancements.

Requirements

  • Bachelor's/Master's/PhD in Statistics, Mathematics, Computer Science, or related field.
  • Strong proficiency in Python and ML libraries (scikit-learn, TensorFlow, PyTorch).
  • Experience with data manipulation tools (Pandas, NumPy, SQL).
  • Familiarity with cloud ML platforms (SageMaker, Vertex AI, Azure ML).
  • Good understanding of statistical modelling and experimental design.
  • Strong analytical and communication skills.

Skills Required

PythonTensorFlowPyTorchscikit-learnSQLPandasNumPyMLflowDocker

Who Should Apply

✅ Perfect Candidates

  • Recent graduates & freshers ready to learn
  • Career switchers with foundational skills
  • Students with relevant internships
  • Self-taught developers who can demonstrate skills

⚠️ Might Not Be Right For

  • No programming experience whatsoever
  • Looking for immediate high salary jump
  • Not willing to learn new technologies
  • Expecting zero training period

How The Selection Process Works

1

Resume Screening

Your CV is reviewed for basic qualifications

1-3 days
2

Aptitude Test

Logical reasoning & quantitative ability test

30-45 mins
3

Technical Round

Coding problems or technical assessment

60-90 mins
4

HR Interview

Cultural fit & communication skills

30-45 mins
5

Offer & Onboarding

Documentation & joining process

1 week

How to Prepare (7-Day Roadmap)

📅 Day 1-2: Fundamentals

  • • Review data structures (arrays, linked lists, trees)
  • • Practice basic algorithms
  • • Solve easy problems on LeetCode

🎯 Day 3-4: Core Concepts

  • • Study sorting & searching algorithms
  • • Learn time & space complexity
  • • Solve medium-level problems

💡 Day 5-6: Interview Prep

  • • Practice with interview questions
  • • Mock interviews & whiteboarding
  • • Review system design basics

✅ Day 7: Final Review

  • • Revise key concepts
  • • Practice behavioral questions
  • • Get good sleep before exam!

Make Your Resume ATS-Friendly

❌ Don't Do This

  • • Use fancy fonts or graphics
  • • Long paragraphs & poor formatting
  • • Vague descriptions like "good at coding"
  • • Personal projects without metrics

✅ Do This Instead

  • • Simple, clean, standard resume format
  • • Use job description keywords
  • • "Built a chatbot that reduced support tickets by 30%"
  • • Quantify your impact always

💡 Pro Tips

  • • Keep it to 1 page (fresher) or 2 pages max
  • • Include GitHub/Portfolio links with active projects
  • • Match skills section with job posting exactly
  • • Use standard resume template (avoid creative designs)

Tips for Acing the Interview

Before Interview

  • ✓ Research company & recent news
  • ✓ Test internet & audio/video setup
  • ✓ Be 10 mins early on call
  • ✓ Keep notepad & pen ready
  • ✓ Wear professional attire

During Interview

  • ✓ Listen fully before answering
  • ✓ Think aloud for problem solving
  • ✓ Ask clarifying questions
  • ✓ Use STAR method for examples
  • ✓ Maintain eye contact & smile

General Mistakes to Avoid

  • 🚫 Talking negatively about previous company
  • 🚫 Being overconfident without proof
  • 🚫 Giving one-word answers
  • 🚫 Not asking questions about the role

Important Application Guidelines

Official Verification

We post only verified, official company job openings. Never share OTP or personal details.

Apply Once Only

Submit your application once per job. Multiple submissions won't increase chances and may trigger filters.

Complete Forms Accurately

Fill all fields correctly. Mistakes in forms often lead to automatic rejection in first screening.

Stay Active & Responsive

Shortlisted candidates are contacted directly. Keep your phone & email active for next 30 days.

No Fees Ever

Legitimate companies never charge for interviews or offers. Beware of scams asking for money.

Back to all jobs

About TNS

COMPANY DETAILS

TNS

INDUSTRY

Technology

OPEN POSITIONS

4 roles

Job Stats

Applications112
Views707
Postedabout 1 month ago

Salary & Benefits

EXPECTED SALARY

₹3L–6L (estimated)

Health Insurance
Performance Bonus
Flexible Work Hours

Top Skills Needed

PythonTensorFlowPyTorchscikit-learnSQL

+4 more skills required

🏢Apply via Company

Ready to apply?

You'll be redirected to TNS to complete your application. This takes about 2-5 minutes.

Apply Now

Job Posted

about 1 month ago

Type

Full-time

Mode

On-site

Experience

Not specified

Category

Technology

ℹ️ Info: Your personal data is never shared with employers. All applications go directly through the company's official portal.

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