January tech stack
January builds mostly with Python, Go, Java, LookML. Its stack also includes Snowflake, AWS, Looker, PostgreSQL. LLM is named in 6 of the 10 job postings January published in the last 12 months (60%). Counted by Alion from the job postings of January, updated Oct 10, 2026.
What programming languages does January use?
Python is named in 20% of job postings at January, followed by Go (10%), Java (10%), LookML (10%).
What databases does January use?
Snowflake is named in 20% of job postings at January, followed by PostgreSQL (10%).
Snowflake
2 20%
PostgreSQL
1 10%
What cloud and platforms does January use?
AWS is named in 10% of job postings at January, followed by Looker (10%), Okta (10%), Twilio (10%).
What developer tools does January use?
Copilot is named in 10% of job postings at January, followed by Cursor (10%), Terraform (10%), dbt (10%).
What AI and ML technologies does January use?
LLM is named in 60% of job postings at January, followed by ChatGPT (10%).
Which engineering practices does January ask for?
AI Agents is named in 30% of job postings at January, followed by Machine Learning (30%), Human-in-the-Loop (20%), LLM Guardrails (20%).
AI Agents
3 30%
CI/CD
1 10%
SLI/SLO/SLA
1 10%
How does your stack fit January?
How is the January 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 January stack?
January 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 common is the January stack in its industry?
Share of the 57 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like January
Questions about the January tech stack
What programming languages does January use?
The languages named in January job postings are Python (20%), Go (10%), Java (10%), LookML (10%), SQL (10%), as a share of the 10 postings of the last 12 months.
Does January use Snowflake?
Yes. Snowflake is named in 2 of 10 job postings (20%) and required in 2 of them.
What cloud and platforms does January use?
The cloud and platforms named in January job postings are AWS (1), Looker (1), Okta (1) (postings in brackets).
Is the January tech stack changing?
Yes. Machine Learning, Human-in-the-Loop, LLM first appeared in January job postings in the last six months.
How modern is the January tech stack?
January 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 January tech stack?
Alion reads every job posting January publishes and tags the technologies each one names. The figures on this page count the 10 postings of the last 12 months and were updated on Oct 10, 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, "January tech stack: 24 technologies from 10 job postings", as of Oct 10, 2026. https://alion.io/company/january-3/technologies