Belong tech stack
Belong builds mostly with TypeScript, JavaScript, Python. Its stack also includes Figma, GCP, Google BigQuery, Next.js. TypeScript is named in 2 of the 9 job postings Belong published in the last 12 months (22%). Counted by Alion from the job postings of Belong, updated Nov 15, 2026.
What programming languages does Belong use?
TypeScript is named in 22% of job postings at Belong, followed by JavaScript (22%), Python (11%).
What frameworks and libraries does Belong use?
Next.js is named in 22% of job postings at Belong, followed by React.js (22%), Vitest (11%).
What databases does Belong use?
Google BigQuery is named in 22% of job postings at Belong.
Google BigQuery
2 22%
What cloud and platforms does Belong use?
Figma is named in 22% of job postings at Belong, followed by GCP (22%), Okta (11%), Windows (11%).
What developer tools does Belong use?
gRPC is named in 33% of job postings at Belong, followed by Claude Code (11%), GraphQL (11%).
What AI and ML technologies does Belong use?
Claude is named in 11% of job postings at Belong, followed by Gemini (11%), ChatGPT (11%).
Which engineering practices does Belong ask for?
Platform Engineering is named in 11% of job postings at Belong.
Platform Engineering
1 11%
How does your stack fit Belong?
How is the Belong 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 Belong stack?
Belong scores 94 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: 3; legacy ones: 0.
How common is the Belong stack in its industry?
Share of the 120 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Belong
Questions about the Belong tech stack
What programming languages does Belong use?
The languages named in Belong job postings are TypeScript (22%), JavaScript (22%), Python (11%), as a share of the 9 postings of the last 12 months.
Does Belong use Next.js?
Yes. Next.js is named in 2 of 9 job postings (22%) and required in 2 of them.
What cloud and platforms does Belong use?
The cloud and platforms named in Belong job postings are Figma (2), GCP (2), Okta (1) (postings in brackets).
Is the Belong tech stack changing?
No new technology has appeared in Belong job postings in the last six months.
How modern is the Belong tech stack?
Belong scores 94 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: 3; legacy ones: 0.
How does Alion know the Belong tech stack?
Alion reads every job posting Belong publishes and tags the technologies each one names. The figures on this page count the 9 postings of the last 12 months and were updated on Nov 15, 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, "Belong tech stack: 18 technologies from 9 job postings", as of Nov 15, 2026. https://alion.io/company/belong-co-jp/technologies