Dataford
Top 25
Company roadmap
Updated weekly · Last refresh Sep 22

EXCELON SOLUTIONS PRIVATE Interview Questions

The questions to prepare for EXCELON SOLUTIONS PRIVATE interviews, across all roles. Questions from real interview reports rank first. Updated daily.

25questions
~4htotal time
Track your progressSign up free to work through all 25 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 8 questions · ~83 min
Linked List ReversalEasy
Practice

Reverse a singly linked list in-place using iterative pointer manipulation.

RecursionLinked ListsArraysEXCELON SOLUTIONS PRIVATE
Implement Binary Search AlgorithmEasy
Practice

Write a binary search function to find a target value in a sorted array.

SearchingEXCELON SOLUTIONS PRIVATE
Palindrome Detection CodingEasy
Practice

Use two pointers to verify whether a test identifier reads the same forward and backward after normalization.

StringsTwo PointersEXCELON SOLUTIONS PRIVATE
More Coding questions with a free account
2
Execution7 questions · ~73 min
Ensure Distributed Data ConsistencyHard

Define an execution approach for maintaining data consistency across distributed systems while balancing delivery speed, risk, and operational resilience.

InfrastructureTrade-offsRisk AssessmentEXCELON SOLUTIONS PRIVATE
Designing a Scalable Real-Time ChatHard

Tests system design skills for real-time services, scaling strategy, and reliability considerations.

Trade-offsRoadmappingRisk AssessmentEXCELON SOLUTIONS PRIVATE
Optimizing Software for SpeedHard

Tests performance analysis, profiling, and targeted optimization without breaking behavior.

Trade-offsSuccess CriteriaRisk AssessmentEXCELON SOLUTIONS PRIVATE
More Execution questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
3
Behavioral & Leadership8 questions · ~83 min
More Behavioral & Leadership questions with a free account
4
More topics2 questions · ~21 min
Handling Duplicate Dataset EntriesEasy

Tests your approach to data cleaning, deduplication logic, and correctness in SQL and data manipulation.

Data WranglingCase WhenAggregationsEXCELON SOLUTIONS PRIVATE
Design Patterns UsedMedium

Tests ability to apply proven patterns to improve structure and extensibility.

project experiencesoftware designdesign patternsEXCELON SOLUTIONS PRIVATE
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Database Trade-Offs for DetectionHard
Practice
Practice drill

Compare financial crime detection architectures using joined run metrics, aggregates, NULL handling, and ordered performance results.

fraud detectionTrade-offsdistributed databasesDeloitte
Database Indexing Trade-offsHard
Practice
Practice drill

Compare PostgreSQL index strategies by read latency, write overhead, storage size, and an overall cost score.

Trade-offsdatabase optimizationdatabase managementHHostinger InternationalCapital Technology Group
Detect Consecutive Losing StreaksMedium
Practice
Practice drill

Identify bet365 users with consecutive losing bets above a risk threshold using ordered streak grouping.

abuse trackingData Manipulationsql querybet365
The finish line: interview-readyComplete all 25 questions plus 3 hands-on drills to finish this plan.