New Knowledge checks + responsible AI fluency

Screen Data & AI candidates
with depth before the interview.

Atollo Scout is a role-based screening platform for Data, Analytics, BI, and AI teams. Pre-screen for fit, assess domain knowledge and responsible AI fluency, read integrity signals, and compare candidates in one decision-ready pipeline.

Start screening free See how it works

No credit card · 5 free assessment starts · Live in under an hour

1,600+

Curated questions

Domain categories

Quick-start role templates

2 modes

Closed & AI-assisted

Welcome back, Sara

Here's what's happening across your hiring pipeline.

Last 7 days New role

Open roles All roles

Senior Data Engineer

Mid · Fabric + Databricks · Remote

Pipeline · 12

Sr. Analytics Engineer

Senior · dbt + Snowflake · Hybrid

Pipeline · 8

Assessments

Active templates

Pending invites

Awaiting candidates

In progress

Currently testing

Completed

Awaiting review

Plan usage

Scale

Unlimited starts

Hiring funnelPipeline drop-off

Invited

Started

Filtered

Completed

Promoted

Score distributionFull insights →

80%+

60–80%

40–60%

< 40%

Avg. score 78% Avg. time 38m Integrity flags 12%

Purpose-built for the modern data stack

Databricks

Snowflakedbt dbt Airflow

Airflow

Spark

KafkaPBI Power BI Tableau

BigQuery

MS Fabric

Built for one thing

Screening built specifically for Data & AI roles.

Generic coding-test tools were built for software engineers, then stretched to fit everyone else. Atollo Scout was designed from the first question for the people who build with data, so every assessment maps to the job.

Data & Analytics Engineering

Pipelines, warehousing, modeling, and orchestration: SQL, Python, Spark, dbt, Fabric, Synapse and Databricks tested in real context.

SQLdbtSparkAirflow

BI & Analytics

Dashboards, semantic models and metrics that hold up. Deep coverage of Power BI, DAX, data viz and analytical reasoning.

DAXPower BIModeling

Data Science & ML

Statistics, experimentation, feature engineering and model evaluation, plus applied libraries like LightGBM and scikit-learn.

StatisticsLightGBMA/B testing

AI / ML Engineering & MLOps

Productionizing models: serving, monitoring, pipelines, and the operational discipline that separates demos from deployments.

MLOpsServingMonitoring

GenAI & LLM Engineering

Prompting, retrieval, evaluation and guardrails. Test fluency with the tools your team is actually adopting in 2026.

RAGPromptingEvals

Platform & Cloud Data

Architecture, governance and the cloud-native fundamentals behind every modern data platform, assessed at the right depth.

ArchitectureGovernanceCloud

How it works

From open role to ranked shortlist in one flow.

A role-first workflow that mirrors how data teams actually hire. Define the role once; everything downstream stays connected to it.

Define the role

Set seniority, internal vs external track, and criteria. Scout auto-suggests pre-screen questions from the job.

Compose the assessment

Weight topics, blend in your own questions, pick closed-book or AI-assisted, and save curated sets to reuse.

Invite & pre-screen

Send single or bulk invites. Hard knockouts auto-block and soft knockouts flag before the clock ever starts.

Candidates test

Per-question pacing, navigation lockout and integrity monitoring run in a full desktop browser environment.

Compare & decide

Topic-level scores, integrity bands and side-by-side comparison, with every decision captured in an audit trail.

Assessment Composition Engine

Build assessments around the role, not a fixed template.

Most platforms hand you a fixed test. Scout gives you a layered composition system, so each assessment maps exactly to the role you're hiring for.

Weight topics to the role

Allocate coverage by skill mix: 40% SQL, 30% Python, 30% Statistics for a Data Engineer; more DAX for a BI Developer. The engine assembles to your spec.

Blend in your own questions

Inject proprietary, org-specific questions alongside the 1,600+ bank to test both general skill and the context that matters to your team.

Save curated sets

Hand-pick the exact questions that separate your top performers, name the set, and reuse it across every role.

Gate with pre-screening

Attach hard or soft knockout at the invitation level. Rules are frozen as a snapshot at invite time, keeping every candidate in the batch on the same terms.

Comparable by design. Randomized draw within your weighted rules keeps coverage consistent while reducing repeat exposure across candidates.

Consistent across a batch. Serve everyone in the same hiring batch the same curated set when side-by-side comparison matters. Answer order still randomizes per candidate.

scout.atollo.net / assessments / new

Senior Data Engineer Screen

28 questions · ~45 min · Closed-book

Composing

Topic weighting

SQL & Warehousing40%

Python & Spark30%

dbt & Modeling20%

Your custom questions10%

+ 4 custom authored Saved set: "DE core v3" Pre-screen: Hard knockout

Two-stage pre-screening

Stop wasting assessment slots on unqualified applicants.

Knockout logic runs the moment a candidate accepts, before a single assessment question loads. Set hard rules that auto-block and soft rules that flag for review, so your reviewers only spend time where it counts.

Pass

Proceeds

Meets every requirement. The candidate moves straight into the assessment with the snapshot of rules frozen at invite time.

Soft knockout

Flagged

Falls short on a preferred criterion, such as visa timing or notice period. Continues, but surfaces with a clear flag for the reviewer to weigh.

Hard knockout

Auto-blocked

Misses a non-negotiable. The candidate is automatically stopped and never consumes an assessment slot. The outcome is consistent and on the record.

Rules snapshotted at invite

Internal & external hiring tracks

Single or bulk invitations

Knowledge & AI literacy

Test what they know and how responsibly they use AI.

Data teams increasingly use AI to write code, analyze outputs, and complete technical tasks. Scout lets you measure foundational knowledge and AI fluency across Data Engineering, Data Science, BI, Analytics, and AI roles.

Pure-knowledge mode

Locked-down, distraction-free testing. Per-question timing, navigation lockout and a monitored desktop environment ensure what you see is genuinely the candidate's own ability.

Per-question pacing

Time limits per question keep the playing field even and discourage outside lookups.

Navigation lockout

No skipping ahead or jumping back to revise once an answer is submitted.

secure-exam · locked

Question 7 of 2801:42

A window function must rank rows within each department by salary, resetting per department. Which clause is required?

ORDER BY salary DESC

PARTITION BY department

GROUP BY department

Tab switches and copy events are logged for this attempt.

Responsible AI fluency Cross-domain

Blocking AI is not always realistic, so measure whether candidates can use it safely. Scout includes questions that test prompt clarity, prompt security, output validation, tool choice, and prompt injection awareness.

Prompt judgment as a skill

Ask candidates to choose the prompt that gives enough context, constraints, expected output, and safe data handling for the task.

Sanctioned in-exam assistant Coming soon

An embedded assistant that captures prompts and responses into the candidate report, so reviewers can inspect process as well as final answers. On the roadmap.

ai-assisted-exam

Question 4 of 18AI permitted

Which prompt is safest for getting AI help with a production SQL issue?

Paste the real customer rows and connection string so the model can reproduce it

Share anonymized schema, database type, row counts, query plan, and expected result

Evaluates prompt clarity, safety, and validation judgment.

Integrity intelligence

Trust the score because you can see how it was earned.

Scout watches the signals that matter and turns them into a clear, reviewable risk band. No black boxes and no accusations, just evidence reviewers can act on.

Behavioral signals

Tab-switching, focus loss, paste events and answer timing are tracked and weighted per attempt.

Clear risk bands

Every attempt rolls up to Clean, Low, Medium or High and can be sorted across your pipeline.

Decision audit trail

Every flag, override and decision is recorded, so later review has context instead of guesswork.

Integrity report

Attempt #A-2048 · J. Rivera

Medium risk

CleanLowMediumHigh

Tab switches4 events

Paste events2 detected

Answer timingWithin range

Focus lossMinimal

OverrideAdd to review

Results, comparison & insights

A shortlist you can defend in the room.

Topic-level breakdowns, side-by-side comparison, and a full analytics layer turn raw attempts into decisions and decisions into an audit trail.

Side-by-side comparison

Candidate	Overall	SQL	Python	Statistics	Integrity	Time
AK Aisha KhanSenior · External	91%	94	88	90	Clean	34m
MR Marco RossiMid · External	84%	80	86	85	Low	41m
JL Jin LeeSenior · Internal	79%	82	74	80	Clean	38m

Score distributionN=31

<40406080100

Topic strengthCohort avg

SQL

Python

Stats

dbt

Pipeline healthThis role

78%

Avg. score

38m

Avg. time

Promoted

12%

Flagged

The question bank

1,600+ expert-authored questions. 24 domains. Always growing.

A deep, continuously expanded library spanning the entire Data, Analytics and AI landscape — written and reviewed by practitioners, calibrated for difficulty, and mapped to real seniority levels.

SQLPythonSparkdbtData ModelingWarehousingPower BIDAXStatisticsA/B TestingMachine LearningLightGBMFeature Eng.MLOpsModel ServingGenAILLMs · RAGPromptingAirflowSnowflakeDatabricksFabricGovernanceCloud Data+more

Coverage by domainLive

Data & Analytics Engineering470+

Data Science & ML380+

Platform & Cloud Data310+

BI & Analytics280+

AI / GenAI / LLM Engineering170+

Difficulty-calibratedJunior → StaffMCQ + applied

Enterprise-ready by design

Built for trust, control, and hiring operations.

Collaboration, governance and architecture that help teams screen responsibly from day one. Export today, connect deeper as your hiring stack matures.

No-server, RLS-enforced architecture

Sensitive operations run through row-level-security-enforced SECURITY DEFINER functions. Question content and answer keys are protected from ordinary browser access.

Team collaboration

Shared roles, reviewer notes and decisions across your hiring team keep everyone in the same workspace with role-based permissions.

Audit trail

Every invitation, flag, override and hiring decision is timestamped and recorded for later review.

Desktop-policy testing

Assessments run in a full-browser desktop environment, creating a consistent testing surface for every candidate.

Account-level data control

Workspace owners can fully delete their account and cascade-delete roles, assessments, invitations, results, usage records, question sets, and team access.

Fits your hiring stack

CSV export and reporting are available today, and Scale workspaces can sync results and decisions straight into their ATS or HRIS with the outbound decision webhook. Developer API keys are on the roadmap for deeper workflows.

Why not a generic coding test?

Scout vs. a general-purpose screening tool.

	Atollo Scout	Generic coding test
Built for Data, Analytics & AI roles	Purpose-built	Software-eng first
Weighted, role-mapped composition	Full control	Fixed templates
Closed-book mode plus AI literacy questions	Built in	Rarely
Two-stage hard / soft pre-screening	Built in	Manual
Integrity risk bands + audit trail	Defensible	Basic proctoring
Your own questions + saved sets	Native	Limited

Pricing

Start free. Scale when you're ready.

Assessment starts are counted only when a candidate begins the timed exam, never when you send an invite. 14-day money-back guarantee on paid plans.

Monthly Annual Save 20%

Free

$0 forever

Explore the platform. No credit card needed.

5 assessment starts (lifetime) · 1 seat
Full question bank + author your own
Auto-email invitations + branded candidate emails
Side-by-side candidate comparison
Pre-screening, integrity scoring & risk bands

Get started

Starter

$29 / mo

For focused, single-team hiring.

Everything in Free — custom questions, auto-email, comparison
40 assessment starts / month
2 seats

Start Starter

	Free	Starter	Growth	Pro	Scale
Usage & Seats
Assessment starts	5 lifetime	40 / mo	150 / mo	400 / mo	Unlimited
Team seats	1	2	5	10	Unlimited
Role-based permissions (Reviewer / HM / Owner)	✓	✓	✓	✓	✓
Assessment Builder
Full domain question bank (1,600+ questions)	✓	✓	✓	✓	✓
5 quick-start role templates	✓	✓	✓	✓	✓
Topic-weighted random draw	✓	✓	✓	✓	✓
Custom question authoring	✓	✓	✓	✓	✓
Saved question sets	–	–	✓	✓	✓
Closed-book & AI-assisted modes	✓	✓	✓	✓	✓
Pre-Screening
Role pre-screen questionnaire	✓	✓	✓	✓	✓
Hard knockout (auto-block)	✓	✓	✓	✓	✓
Soft knockout (flag & allow)	✓	✓	✓	✓	✓
Pre-screen knockout analytics	–	–	✓	✓	✓
Candidate Integrity
Tab-switch & focus-loss tracking	✓	✓	✓	✓	✓
Clipboard & right-click blocking	✓	✓	✓	✓	✓
DevTools & multi-display detection	✓	✓	✓	✓	✓
Browser / session binding	✓	✓	✓	✓	✓
Integrity risk bands (Low / Medium / High)	✓	✓	✓	✓	✓
Results & Pipeline
Score breakdown by topic	✓	✓	✓	✓	✓
Decision audit log (append-only)	✓	✓	✓	✓	✓
Candidate profiles & notes timeline	✓	✓	✓	✓	✓
Interview rounds & scorecards	✓	✓	✓	✓	✓
Roles hub — active & archive, re-invite	✓	✓	✓	✓	✓
Decision emails (shortlist / reject)	✓	✓	✓	✓	✓
Bulk invitations	–	–	✓	✓	✓
CSV results export	–	–	✓	✓	✓
Candidate comparison view	✓	✓	✓	✓	✓
Hiring insights dashboard	–	–	✓	✓	✓
Shareable no-login result links	–	–	✓	✓	✓
Integrations & API
Slack / Microsoft Teams submission notifications	–	–	✓	✓	✓
Outbound decision webhook (ATS / HRIS sync)	–	–	–	–	✓
Developer API + API keys	–	–	–	–	✓ Roadmap
Enterprise
White-label / custom domain	–	–	–	–	✓ Roadmap
SSO (SAML / OIDC)	–	–	–	–	✓ Roadmap
Annual invoicing	–	✓	✓	✓	✓
Priority support + SLA	–	–	–	–	✓
Dedicated onboarding	–	–	–	–	✓

See your next great data hire before the first interview.

Spin up a role, compose an assessment, and send your first invite in under an hour. Five free assessment starts, no credit card.

Start screening free Book a walkthrough

atollo.net · Hiring intelligence for Data, Analytics & AI teams