Stop asking “do you know GIS?”
It is a question nobody answers no to, and the answer tells you nothing. Ask for the work instead: a timed technical assessment, graded requirement by requirement, and a credential anybody can check.
What a team workspace does
Workspaces are opened by request for now. Ask below, and a person sets one up with you.
- 01
Write the problems
Your team authors private problems on your own datasets, so the test looks like the job. They are never in the public catalogue, so nobody walks in having practised them.
- 02
Send an assessment
Compose a timed paper and send the candidate a link. They see its sections and its length before they start, and the problems only once the clock is running.
- 03
They solve it under time
Hints disabled, solutions locked, wall-clock timer. The same grading engine as practice, so the bar is consistent from one candidate to the next.
- 04
You get a skill report
Per-section scores, per-requirement results, and which problems they left unattempted. Comparable across candidates.
What you can actually test
Eight tracks, each rated separately — because the gap between a strong analyst and a strong developer is the thing you are usually trying to find out.
Spatial Analysis
Overlay, proximity, aggregation and suitability modelling — the reasoning at the centre of every GIS job.
PostGIS / SQL
Spatial SQL against real tables: joins, indexes, CTEs, and queries that stay fast when the table grows.
Python
GeoPandas, Shapely, rasterio and the automation that turns a one-off analysis into a repeatable pipeline.
Remote Sensing
Indices, classification, change detection and accuracy assessment over multispectral imagery.
Cartography
Classification schemes, colour, projection choice and the judgement that separates a map from a picture.
Web GIS
Tiles, styles, APIs and client performance — delivering spatial data to a browser without melting it.
Data Management
Topology, validity, schemas, provenance and the cleaning work that every real handover demands.
GIS Architecture
Designing the system around the data: storage, services, refresh cadence, cost and failure modes.
Public assessments
Open to anybody with an account, today. Their problems are kept for assessments and never practised in the open, and a pass issues a credential you can check below.
Open-Data Analyst — Associate
Six graded problems on real open data — a proximity join in metres, a per-area aggregate, a geodesic nearest-neighbour, a normalised choropleth, a scripted overlay and a data audit — so that a pass means the holder can turn a public dataset into a defensible number without a projection or a join silently going wrong.
PostGIS / SQLSpatial AnalysisPythonPreview90 min
issues KODA-A1
Spatial SQL — Associate
Six problems on real tables — an aggregate that keeps its empty rows, a proximity join in metres, a nearest-neighbour the index can answer, a containment audit, an overlay measured on geography, and an identifier audit — so that a pass means the holder writes spatial SQL that is correct and stays fast.
PostGIS / SQLPostGIS / SQLData ManagementPreview90 min
issues KSQL-A1
Raster Analyst — Associate
Six problems on three delivered rasters — an acceptance check, a class histogram, a zonal share, a band index with nodata handled, a zonal mean across a projection boundary, and an area-below-threshold on a geographic grid — so that a pass means the holder reads rasters correctly and reports numbers that survive review.
Data ManagementRemote SensingSpatial AnalysisPreview90 min
issues KRA-A1
Incident GIS technical screen
A four-part take-home assessment across event filtering, indexed facility search, spatial database design and raster-derived exposure; each answer must stay traceable to the source data.
Spatial AnalysisData ManagementPreview225 min
issues KIGA-A1
Policy map evidence screen
A mixed GIS assessment of normalisation, raster evidence, public-data joins and operational sizing, with one map whose visual encoding must disclose its limits.
Spatial AnalysisCartographyPreview205 min
issues KPMA-A1
Geospatial systems design review
A four-case technical assessment: design a global event service and revision-safe PostGIS store, plan a searchable imagery archive, and set a defensible scale rule for a worldwide point map. Decisions, database objects and capacity figures are graded against the supplied evidence.
GIS ArchitectureRemote SensingWeb GISPreview270 min
Geospatial Data Preparation — Associate
Prepare imperfect geospatial source data in Python, PostGIS and a desktop GIS, and deliver validated records and a correctly packaged spatial file against a receiving specification.
PythonPostGIS / SQLData ManagementPreview120 min
issues KDPA-A1
Verify a credential you have been shown
A candidate quoting a Kharita credential on a CV can be checked in seconds. The verification page shows the holder, the score, the conditions, and each section of the assessment it was earned on, with its score.
2 credentials issued · 4 assessments completed
Ask for a team workspace
A person reads every request and writes back. A workspace starts on the free tier — 2 assessments at a time and 5 problems of your own — and more than that is a conversation, not a plan to buy.