Mercari tech stack
Mercari builds mostly with SQL, Python, Go, PHP. Its stack also includes GitHub, GCP, Google BigQuery, BigQuery. GitHub is named in 48 of the 86 job postings Mercari published in the last 12 months (56%). Counted by Alion from the job postings of Mercari, updated Sep 26, 2026.
What programming languages does Mercari use?
SQL is named in 28% of job postings at Mercari, followed by Python (24%), Go (23%), PHP (6%).
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What frameworks and libraries does Mercari use?
SwiftUI is named in 5% of job postings at Mercari, followed by Combine (3%), LightGBM (3%), PoC Library (3%).
SwiftUI
4 5%
Combine
3 3%
LightGBM
3 3%
PyTorch
3 3%
Scikit-learn
3 3%
Jetpack Compose
2 2%
TensorFlow
2 2%
Show all (25)
What databases does Mercari use?
Google BigQuery is named in 19% of job postings at Mercari, followed by BigQuery (16%), Google Cloud Spanner (9%), MySQL (5%).
Google BigQuery
16 19%
BigQuery
14 16%
Google Cloud Spanner
8 9%
MySQL
4 5%
PostgreSQL
4 5%
ElasticSearch
3 3%
Redis
2 2%
TiDB
2 2%
Show all (13)
What cloud and platforms does Mercari use?
GitHub is named in 56% of job postings at Mercari, followed by GCP (36%), Kubernetes (27%), AWS (23%).
GitHub
48 56%
GCP
31 36%
Kubernetes
23 27%
AWS
20 23%
GitHub Actions
14 16%
Dify
11 13%
Datadog
9 10%
Show all (36)
What developer tools does Mercari use?
Claude Code is named in 28% of job postings at Mercari, followed by Terraform (22%), Cursor (22%), OpenAI Codex (14%).
Claude Code
24 28%
Terraform
19 22%
Cursor
19 22%
gRPC
10 12%
Copilot
9 10%
Git
7 8%
Show all (33)
What AI and ML technologies does Mercari use?
Claude is named in 27% of job postings at Mercari, followed by LLM (16%), Gemini (10%), ChatGPT (1%).
Which engineering practices does Mercari ask for?
AI Agents is named in 21% of job postings at Mercari, followed by CI/CD (20%), Machine Learning (13%), SLI/SLO/SLA (10%).
AI Agents
18 21%
CI/CD
17 20%
SLI/SLO/SLA
9 10%
FinOps
5 6%
Platform Engineering
5 6%
Show all (47)
And 7 more, each named in fewer postings.
What other technologies does Mercari use?
Kotlin Coroutines is named in 1% of job postings at Mercari, followed by Swift Concurrency (1%).
Kotlin Coroutines
1 1%
Swift Concurrency
1 1%
What does each Mercari team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Product
17 postingsBackend
12 postingsDevOps
7 postingsAI/ML
6 postingsData Science
5 postingsHow does your stack fit Mercari?
How is the Mercari stack changing?
Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.
How modern is the Mercari stack?
Mercari scores 80 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 4; legacy ones: 0.
How common is the Mercari stack in its industry?
Share of the 334 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Mercari apart
Companies with a stack like Mercari
Questions about the Mercari tech stack
What programming languages does Mercari use?
The languages named in Mercari job postings are SQL (28%), Python (24%), Go (23%), PHP (6%), Swift (6%), as a share of the 86 postings of the last 12 months.
Does Mercari use SwiftUI?
Yes. SwiftUI is named in 4 of 86 job postings (5%) and required in 4 of them.
What cloud and platforms does Mercari use?
The cloud and platforms named in Mercari job postings are GitHub (48), GCP (31), Kubernetes (23) (postings in brackets).
What skills do you need for a Product job at Mercari?
Product postings at Mercari most often require Claude (13), Claude Code (13), Cursor (10), Dify (10), out of 17 postings in the last 12 months.
Is the Mercari tech stack changing?
Yes. Jetpack Compose, Sentry, Cloudflare, ArgoCD first appeared in Mercari job postings in the last six months.
How modern is the Mercari tech stack?
Mercari scores 80 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 4; legacy ones: 0.
How does Alion know the Mercari tech stack?
Alion reads every job posting Mercari publishes and tags the technologies each one names. The figures on this page count the 86 postings of the last 12 months and were updated on Sep 26, 2026.
Method and citation
Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count
Alion, "Mercari tech stack: 175 technologies from 86 job postings", as of Sep 26, 2026. https://alion.io/company/mercari/technologies