Dataford
Top 19
Prep plan
Updated weekly · Last refresh Aug 30

Chainlink Labs Data Analyst Interview Questions

The questions to prepare for a Chainlink Labs Data Analyst interview. Questions from real interview reports rank first. Updated weekly.

19questions
~3htotal time
Track your progressSign up free to work through all 19 questions and resume where you left off.
Start practicing free →
1
SQL & Data ManipulationStart here. 3 questions + 2 drills · ~46 min
7-Day Rolling Active UsersMedium
Practice

Compute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.

Window FunctionsDate FunctionsRunning TotalsChainlink Labs
Optimize On-Chain Join QueriesHard

Tests performance tuning skills for large-scale joins across on-chain and off-chain datasets.

Performance TuningJoinssqlChainlink Labs
Merchant Volume TrendsMedium
Practice
Practice drill

Use a CTE and window functions to calculate daily, cumulative, and three-day moving transaction volumes by Mastercard MCC.

Window FunctionssqlRunning TotalsMastercard
Advanced SQL With PartitionsHard
Practice
Practice drill

Use CTEs, aggregations, and window functions to compare gender pay and find each department's second-highest salary.

Window FunctionsJoinssqlMeesho
More SQL & Data Manipulation questions with a free account
2
Metrics5 questions · ~43 min
Assess Economic Viability of Price FeedsHard

Tests your ability to model economics and operational costs for Chainlink Price Feeds across chains.

Chainlink Labs
Metrics for Cross-Chain Protocol HealthMedium

Tests your ability to define adoption and health metrics for decentralized cross-chain systems.

adoptionChainlink Labs
Oracle Latency and PerformanceHard

Tests ability to design measurement frameworks for oracle reliability and latency across L2 networks.

latencyperformanceChainlink Labs
More Metrics questions with a free account
3
Behavioral & Leadership8 questions · ~69 min
More Behavioral & Leadership questions with a free account
4
More topics3 questions · ~26 min
Pricing Model for Blockchain DataHard

Tests product thinking and analytical approach to pricing decisions for data products used by Web3 teams.

Value PropositionChainlink Labs
Data Quality for JSON-RPC IngestionMedium

Tests your data engineering practices for validating and safeguarding raw node responses.

Data Qualitydata integrityChainlink Labs
Prioritize Networks for New Data FeedMedium

Tests your ability to translate on-chain signals into rollout decisions for Chainlink Web3 services.

Feature PrioritizationChainlink Labs

Sign up to see every question

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

Get my prep plan
The finish line: interview-readyComplete all 19 questions plus 2 hands-on drills to finish this plan.