AWS Certifications
3 certifications: CLF-C02 / SAA-C03 / SAP-C02. Japanese question banks aligned with the official AWS Exam Guides, plus full-length mock exams.
View AWS01 / Exam catalog
Choose the exam you want to take
Filter 12 cloud certifications by vendor or keyword.
Azure Certifications
All 14 certifications including AZ-900 / DP-900 / SC-900 / AI-901. A full set of Japanese problems aligned with the official Microsoft Learn study guides.
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Google Cloud Certifications
All 14 certifications including CDL / GAIL / ACE / PCA / PDE / PMLE. A full set of Japanese problems aligned with the official Google Cloud Exam Guides (cloud.google.com).
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Databricks Certifications
All 7 certifications including Data Engineer / ML / Analyst.
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SnowPro (11 certifications)
Covers Associate / Core / Specialty / Advanced.
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Terraform Associate / Professional
Scenario-based problems focused on real-world IaC practice.
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Vault Associate / Professional
Covers secrets management, policies, and operations.
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Consul Associate
Practice service mesh, KV, and ACL concepts.
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Nomad Associate
An orchestrator exam covering both containers and VMs.
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Packer Associate
Master image-build automation with detailed explanations.
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dbt Analytics Engineer
Covers modeling, testing, and documentation practices.
View dbt
Kafka Certifications (CCDAK / CCAAK / CCSD)
Unified prep for Developer, Administrator, and Streams (3 certifications).
View Kafka02 / In-depth articles
Latest 2026 exam prep articles
Carefully organized coverage of exam scopes, study methods, and real-world thinking. All articles are free to read.
03 / Our philosophy
High-quality problems for a confident pass
We build only what's needed to study niche certifications in Japanese — done thoroughly.
01
Bilingual — Japanese and English
Questions, choices, and explanations are written in both languages — switch with one tap. AWS, Azure, Google Cloud, Databricks and Snowflake are fully bilingual; a few smaller exams are Japanese-only for now.
02
Practice × Mock × Explanation
Practice problems for retention, 10 mock exams for pacing, and wrong-answer analysis — pass on a single site.
03
Explains the "why"
Every correct answer's rationale and every wrong choice's flaw are made explicit. Master principles, not just memorization.
04 / Why our quality
Chosen not for "Japanese" — chosen for actually passing
Nicheelab is not just translated foreign material. We analyze past exam trends, reference English-language sources, incorporate test-taker feedback, and update monthly — designed for the shortest path to passing in Japanese.
5 years
Past exam analysis
Studied version diffs of major exams from 2021–2025, then organized frequency and weighting in Japanese.
30+
Foreign sources referenced
Extracted recurring topics from English-language study sites, Udemy mocks, Reddit, and official forums.
Monthly
Problem updates
Exam revisions reflected within the next month. Monthly diffs are documented in release notes.
100%
Written by certified holders
Active Databricks / Snowflake / HashiCorp certified engineers author the problems and explanations directly.
And now is the opportunity
Cloud and data engineering roles in Japan are growing rapidly while talent supply lags severely. Earning a niche certification now means a strong position in a supply-constrained market.
0k
IT talent shortage projected by 2030
Source: METI "IT Talent Supply-Demand Survey" 2019
+0%
Snowflake YoY revenue growth
Source: Snowflake Inc. FY2024 full-year earnings
0×+
Cloud/data job openings-to-applicants ratio
Source: Persol Career "doda Job Openings Ratio Report" 2024
Japan public cloud services market trend
2022–2024 actuals, 2025+ projected. Market size 2.2× vs 2023, exceeding ¥7 trillion by 2028.
Source: IDC Japan "Japan Public Cloud Services Market Forecast 2024–2028" (Sep 2024). 2022–2024 actual, 2025+ IDC estimates. CAGR 17.2%. Unit: trillion JPY.
Shortage will more than double over 10 years
The IT talent gap is projected to widen yearly. As demand outpaces supply, certified engineers become increasingly valuable.
Source: METI "IT Talent Supply-Demand Survey" (Apr 2019) by Mizuho Information & Research Institute, high-scenario figures.
05 / Pricing
Only the certifications you need, only for as long as you need
Per-certification subscriptions, cancellable anytime. Subscribe until you pass, then cancel — naturally.
Try for free
¥0
No signup — try immediately
- Sample the public problems
- First set free for every certification
- Includes Japanese explanations
Single plan
¥980/ month per cert · US$6.20
Best for short-term, focused study
- Full access to all problems for one exam
- 10 real-format mock exams
- Detailed explanations on every question (including wrong choices)
- Weakness analysis & progress tracking
- Cancel anytime
77% off compared to 13 individual subs
All-Access Pack
¥2,980/ month · US$18.80
Full access to all exams — for long-term study
- 50+ exams: Microsoft Azure (14), Google Cloud (14), Databricks, Snowflake, HashiCorp, dbt, and Kafka
- 10 real-format mock exams per certification
- Detailed explanations + wrong-choice reasoning
- Weakness analysis & progress tracking
- New exams added automatically
- Cancel anytime
* After signup, you can upgrade to the All-Access Pack from any exam menu page.
— / Mobile
Download the app
Study efficiently on Android during your commute. Progress syncs across the web version with the same account.
Stop losing time to English
No signup needed — start free, right now. Begin by solving Japanese problems for the certification you want.