Infosys DSE Interview Experience | Selection, Joining & Mysore Training | Real Talks

Summary

Diksha Pandey, a current Digital Specialist Engineer at Infosys (selected for a DSE role), shares her end-to-end journey—from the Infosys selection process to Mysore training—along with practical interview preparation tips.

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Selection process: OA → interview

Online Assessment (OA)

• Structure: 4 questions with increasing difficulty: easy, medium, hard, complex
• Topics covered: binary search, trees, graphs, and DP
• Performance: She solved easy and medium and passed all test cases for those questions.

Scheduling gap

• OA date: 18 Dec
• Interview date: 20 Dec
• Prep time: about one day
• Interview confirmation: received an email on 19 Dec (evening)

Interview format

• After OA, she was shortlisted for SP L1
• Panel: a single panelist
• Duration: approximately 45 minutes

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What the panel focused on during the interview

Resume-based questioning

The interviewer mainly asked questions from her resume, including:

• certifications
• internships
• projects

She emphasizes that candidates should know resume details thoroughly.

Project deep-dive

She was asked to explain:

• the development details
• the technology stack/tools used
• her role
• how her project was different from others

DSA on paper (not a laptop)

She solved 3 DSA questions using pen and paper, including:

• detecting a cycle in a linked list
• another DSA question related to an “engram” topic (the exact subtitle appears unclear/inaccurate)
• a sliding window problem created/phrased by the interviewer

Approach discussion (optimal vs brute force)

A key moment was when she used an optimal method (slow/fast pointers for cycle detection). The interviewer challenged her reasoning.

Her takeaway for future candidates:

• first discuss test/edge cases
• attempt brute force first while explaining your thinking
• then move to an optimal solution if prompted

CS fundamentals beyond DSA

She was asked about:

• DBMS
• OOPs
• major Computer Networks (CN) concepts, including DNS/DCN (subtitle unclear, but CN concepts were heavily asked)
• TCP/IP protocol basics

SQL practice

• She was asked to write two SQL join queries
• Joins were noted as a common query type.

HR-lite questions

There was no full HR round. Only light questions such as:

• why Infosys / why IT
• her interest given her electronics background

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Her preparation and learning background

Branch-to-IT motivation

Although her degree is Electronics and Communications, she explains that it included useful computing topics like:

• Computer Networks (CN)
• Python/DBMS

This helped her build interest and transition into IT.

Results and joining timeline

• Interview: 20 Dec
• Result: 20 Jan
• Offer letter: came later, in June
• Joining: 10 Aug

Training experience (Mysore)

She is currently in Mysore for training and describes it positively:

• good campus
• interaction with people from different places
• helpful training materials

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Training details and streams

• Duration: 3–4 months
• After training, trainees are assigned to a DC
• Streams are allocated based on requirements and location preferences

Her stream was AI Engineering, but she mentions other streams such as:

• Java/React
• Java/Angular
• .NET (subtitle unclear)
• Big Data, etc.

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Tips for future candidates

• OA preparation via contests: practice through coding contests to improve speed under time constraints.
• Brute force before optimal: for interview clarity, attempt brute force first and explain your reasoning; switch to optimal afterward.
• Resume revision is mandatory: revisit every project, certification, internship, and key detail to avoid freezing during questions.
• Avoid panicking: if stuck, share what you understand (even pseudo-code) rather than going silent—the interviewer may guide you.
• Daily DSA practice: don’t “cram and quit.” Consistent practice is essential for OA and interviews.
• Resources she used:
  • Striver’s sheet (and related practice sets)
  • Code/NeetCode sheet (she referenced 250/150-question-style sets)
• If the interview is close: do contests, not just static problem-solving practice.

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Overall message

Diksha summarizes her selection journey as a combination of:

• DSA discipline
• strong resume/project ownership
• clear problem-solving communication in interviews …supported by confidence and consistency throughout OA → interview → training.

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Presenters / contributors

• Anuti Mittal (host)
• Diksha Pandey (guest; Infosys DSE/Digital Specialist Engineer)
• Unnati (mentioned/addressed during the conversation; likely co-presenter/host figure)