A1A tech stack
A1A builds mostly with TypeScript, Ruby, Python. Its stack also includes AWS, Figma, Amazon Aurora, PostgreSQL. TypeScript is named in 7 of the 7 job postings A1A published in the last 12 months (100%). Counted by Alion from the job postings of A1A, updated Oct 4, 2026.
What programming languages does A1A use?
TypeScript is named in 100% of job postings at A1A, followed by Ruby (100%), Python (86%).
What frameworks and libraries does A1A use?
Ruby on Rails is named in 100% of job postings at A1A, followed by FastAPI (86%), PoC Library (29%).
What databases does A1A use?
Amazon Aurora is named in 100% of job postings at A1A, followed by PostgreSQL (100%).
Amazon Aurora
7 100%
PostgreSQL
7 100%
What cloud and platforms does A1A use?
AWS is named in 100% of job postings at A1A, followed by Figma (100%), GitHub (100%), GitHub Actions (100%).
What developer tools does A1A use?
Git is named in 100% of job postings at A1A, followed by Terraform (100%), Claude Code (86%).
What AI and ML technologies does A1A use?
LLM is named in 29% of job postings at A1A, followed by VLM (14%).
Which engineering practices does A1A ask for?
CI/CD is named in 100% of job postings at A1A, followed by Edge AI (29%), RAG (29%), GNN (14%).
What does each A1A team work with?
The technologies each team's postings require most often, with the number of postings that require them.
AI/ML
3 postingsHow does your stack fit A1A?
How modern is the A1A stack?
A1A scores 86 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: 2; legacy ones: 0.
Companies with a stack like A1A
Questions about the A1A tech stack
What programming languages does A1A use?
The languages named in A1A job postings are TypeScript (100%), Ruby (100%), Python (86%), as a share of the 7 postings of the last 12 months.
Does A1A use Ruby on Rails?
Yes. Ruby on Rails is named in 7 of 7 job postings (100%) and required in 7 of them.
What cloud and platforms does A1A use?
The cloud and platforms named in A1A job postings are AWS (7), Figma (7), GitHub (7) (postings in brackets).
What skills do you need for a AI/ML job at A1A?
AI/ML postings at A1A most often require AWS (3), Amazon Aurora (3), Claude Code (3), FastAPI (3), out of 3 postings in the last 12 months.
Is the A1A tech stack changing?
No new technology has appeared in A1A job postings in the last six months.
How modern is the A1A tech stack?
A1A scores 86 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: 2; legacy ones: 0.
How does Alion know the A1A tech stack?
Alion reads every job posting A1A publishes and tags the technologies each one names. The figures on this page count the 7 postings of the last 12 months and were updated on Oct 4, 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, "A1A tech stack: 24 technologies from 7 job postings", as of Oct 4, 2026. https://alion.io/company/a1a-co-jp/technologies