Variance tech stack

Variance builds mostly with TypeScript, JavaScript, Java, Python. Its stack also includes ClickHouse, MySQL, Next.js, React.js. TypeScript is named in 3 of the 11 job postings Variance published in the last 12 months (27%). Counted by Alion from the job postings of Variance, updated Oct 3, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 3, 2026
Technologies in use
18
Postings analysed
11
Open now
9
Modernity
74 /100

What programming languages does Variance use?

TypeScript is named in 27% of job postings at Variance, followed by JavaScript (18%), Java (9%), Python (9%).

TypeScript 3 27% required in 67% · 2 open now · since Jun 2024
JavaScript 2 18% required in 50% · 1 open now · since Oct 2025
Java 1 9% required in 100% · 1 open now · since Jun 2024
Python 1 9% required in 100% · 1 open now · since Jun 2024

What frameworks and libraries does Variance use?

Next.js is named in 18% of job postings at Variance, followed by React.js (18%).

Next.js 2 18% required in 50% · 1 open now · since Oct 2025
React.js 2 18% required in 50% · 1 open now · since Oct 2025

What databases does Variance use?

ClickHouse is named in 18% of job postings at Variance, followed by MySQL (18%).

ClickHouse 2 18% required in 50% · 1 open now · since Oct 2025
MySQL 2 18% required in 50% · 1 open now · since Oct 2025

Which engineering practices does Variance ask for?

AI Agents is named in 64% of job postings at Variance, followed by Edge AI (36%), Function Calling (18%), Post-training (18%).

AI Agents 7 64% required in 100% · 6 open now · since Jun 2024
Edge AI 4 36% required in 100% · 3 open now · since Mar 2026
Function Calling 2 18% required in 100% · 2 open now · since Mar 2026
Post-training 2 18% required in 100% · 2 open now · since Mar 2026
Tool Use 2 18% required in 100% · 2 open now · since Mar 2026
Agentic Workflows 1 9% required in 100% · 1 open now · since Mar 2026
Context Engineering 1 9% required in 100% · 1 open now · since Aug 2026
Fine-tuning 1 9% required in 100% · 1 open now · since Mar 2026
Show all (10)
LLM Evaluation1
Reinforcement Learning1

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How is the Variance 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.

Not named for 6 months
Post-trainingMar 2026

How modern is the Variance stack?

Modern 74/100

Variance scores 74 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.

How common is the Variance stack in its industry?

Share of the 897 companies in the same industries, whose stack Alion knows, that use each technology.

TypeScript53%
ClickHouse7%
JavaScript56%
MySQL10%
Next.js17%
React.js41%
Java20%
Python69%

Questions about the Variance tech stack

What programming languages does Variance use?

The languages named in Variance job postings are TypeScript (27%), JavaScript (18%), Java (9%), Python (9%), as a share of the 11 postings of the last 12 months.

Does Variance use Next.js?

Yes. Next.js is named in 2 of 11 job postings (18%) and required in 1 of them.

Is the Variance tech stack changing?

No new technology has appeared in Variance job postings in the last six months.

How modern is the Variance tech stack?

Variance scores 74 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.

How does Alion know the Variance tech stack?

Alion reads every job posting Variance publishes and tags the technologies each one names. The figures on this page count the 11 postings of the last 12 months and were updated on Oct 3, 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, "Variance tech stack: 18 technologies from 11 job postings", as of Oct 3, 2026. https://alion.io/company/variance/technologies

Licence: CC BY-SA 4.0JSON