Kustomer tech stack

Kustomer builds mostly with JavaScript, Go, Node JS, Python. Its stack also includes AWS, ElasticSearch, React.js, GitHub. JavaScript is named in 5 of the 10 job postings Kustomer published in the last 12 months (50%). Counted by Alion from the job postings of Kustomer, updated Oct 17, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 17, 2026
Technologies in use
29
Postings analysed
10
Open now
2
Modernity
87 /100

What programming languages does Kustomer use?

JavaScript is named in 50% of job postings at Kustomer, followed by Go (40%), Node JS (40%), Python (20%).

JavaScript 5 50% required in 60% · 1 open now · since Jul 2026
Go 4 40% required in 100% · 1 open now · since Jul 2026
Node JS 4 40% required in 50% · 1 open now · since Jul 2026
Python 2 20% required in 100% · since Jul 2026

What frameworks and libraries does Kustomer use?

React.js is named in 40% of job postings at Kustomer, followed by LangChain (20%).

React.js 4 40% required in 50% · 1 open now · since Jul 2026
LangChain 2 20% required in 100% · 1 open now · since Sep 2026

What databases does Kustomer use?

ElasticSearch is named in 40% of job postings at Kustomer, followed by Pinecone (20%), Redis (20%), ClickHouse (10%).

ElasticSearch 4 40% required in 50% · 1 open now · since Jul 2026
Pinecone 2 20% required in 100% · 1 open now · since Sep 2026
Redis 2 20% optional · since Jul 2026
ClickHouse 1 10% optional · since Aug 2026

What cloud and platforms does Kustomer use?

AWS is named in 40% of job postings at Kustomer, followed by GitHub (30%), Anthropic (20%), OpenAI (20%).

AWS 4 40% required in 75% · 1 open now · since Jul 2026
GitHub 3 30% required in 100% · 1 open now · since Jul 2026
Anthropic 2 20% required in 100% · 1 open now · since Sep 2026
OpenAI 2 20% required in 100% · 1 open now · since Sep 2026
Amazon Kinesis 2 20% optional · since Jul 2026
Apache Kafka 2 20% optional · since Jul 2026
Amazon EC2 1 10% required in 100% · since Aug 2026
Okta 1 10% required in 100% · since Aug 2026

What developer tools does Kustomer use?

Claude Code is named in 40% of job postings at Kustomer, followed by Cursor (30%), Terraform (20%), Rest API (10%).

Claude Code 4 40% required in 100% · 1 open now · since Jul 2026
Cursor 3 30% required in 100% · 1 open now · since Jul 2026
Terraform 2 20% required in 100% · since Jul 2026
Rest API 1 10% required in 100% · since Aug 2026

What AI and ML technologies does Kustomer use?

Claude is named in 30% of job postings at Kustomer, followed by LLM (20%).

Claude 3 30% required in 100% · since Jul 2026
LLM 2 20% required in 100% · since Aug 2026

Which engineering practices does Kustomer ask for?

Wi-Fi is named in 100% of job postings at Kustomer, followed by AI Agents (10%), FinOps (10%), LLM Guardrails (10%).

Wi-Fi 10 100% required in 90% · 2 open now · since Jul 2026
AI Agents 1 10% required in 100% · since Aug 2026
FinOps 1 10% required in 100% · since Aug 2026
LLM Guardrails 1 10% required in 100% · since Aug 2026
VPN 1 10% required in 100% · since Aug 2026

What does each Kustomer team work with?

The technologies each team's postings require most often, with the number of postings that require them.

Backend

4 postings
Go4
AWS3
Anthropic2
Claude Code2
Cursor2
ElasticSearch2

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How modern is the Kustomer stack?

Cutting-edge AI adopter 87/100

Kustomer scores 87 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 Kustomer stack in its industry?

Share of the 116 companies in the same industries, whose stack Alion knows, that use each technology.

JavaScript54%
AWS50%
ElasticSearch17%
Go23%
Node JS28%
React.js35%
Claude41%
GitHub23%
Amazon Kinesis6%
Anthropic9%

Questions about the Kustomer tech stack

What programming languages does Kustomer use?

The languages named in Kustomer job postings are JavaScript (50%), Go (40%), Node JS (40%), Python (20%), as a share of the 10 postings of the last 12 months.

Does Kustomer use React.js?

Yes. React.js is named in 4 of 10 job postings (40%) and required in 2 of them.

What cloud and platforms does Kustomer use?

The cloud and platforms named in Kustomer job postings are AWS (4), GitHub (3), Anthropic (2) (postings in brackets).

What skills do you need for a Backend job at Kustomer?

Backend postings at Kustomer most often require Go (4), AWS (3), Anthropic (2), Claude Code (2), out of 4 postings in the last 12 months.

Is the Kustomer tech stack changing?

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

How modern is the Kustomer tech stack?

Kustomer scores 87 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 Kustomer tech stack?

Alion reads every job posting Kustomer 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 17, 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, "Kustomer tech stack: 29 technologies from 10 job postings", as of Oct 17, 2026. https://alion.io/company/kustomer/technologies

Licence: CC BY-SA 4.0JSON