GitLab tech stack
GitLab builds mostly with Ruby, Go, Python, TypeScript. Its stack also includes Kubernetes, PostgreSQL, Ruby on Rails, GCP. Ruby is named in 97 of the 314 job postings GitLab published in the last 12 months (31%). Counted by Alion from the job postings of GitLab, updated Sep 26, 2026.
What programming languages does GitLab use?
Ruby is named in 31% of job postings at GitLab, followed by Go (20%), Python (17%), TypeScript (8%).
Ruby
97 31%
Go
64 20%
Python
54 17%
TypeScript
25 8%
JavaScript
25 8%
Rust
23 7%
SQL
20 6%
Bash
9 3%
Show all (14)
What frameworks and libraries does GitLab use?
Ruby on Rails is named in 18% of job postings at GitLab, followed by Vue.js (6%), RSpec (3%), Sidekiq (3%).
Ruby on Rails
55 18%
Vue.js
18 6%
Sidekiq
8 3%
LangGraph
7 2%
LangChain
7 2%
OpenTelemetry
4 1%
Angular
3 1%
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What databases does GitLab use?
PostgreSQL is named in 18% of job postings at GitLab, followed by ClickHouse (4%), Redis (3%), ElasticSearch (2%).
PostgreSQL
55 18%
ClickHouse
14 4%
Redis
9 3%
ElasticSearch
5 2%
Snowflake
4 1%
BigQuery
2 1%
Google BigQuery
2 1%
OpenSearch
1 <1%
What cloud and platforms does GitLab use?
Kubernetes is named in 20% of job postings at GitLab, followed by GCP (11%), AWS (10%), Linux (7%).
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What developer tools does GitLab use?
Git is named in 19% of job postings at GitLab, followed by GraphQL (8%), Terraform (8%), Docker (6%).
Git
59 19%
GraphQL
25 8%
Terraform
25 8%
Docker
19 6%
Ansible
12 4%
Rest API
12 4%
Helm
11 4%
gRPC
10 3%
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What AI and ML technologies does GitLab use?
Claude is named in 4% of job postings at GitLab, followed by LLM (4%), ChatGPT (<1%), Gemini (<1%).
Which engineering practices does GitLab ask for?
AI Agents is named in 26% of job postings at GitLab, followed by Agentic Workflows (8%), Incident Management (6%), Platform Engineering (5%).
AI Agents
83 26%
Incident Management
18 6%
Platform Engineering
17 5%
SRE
10 3%
Show all (37)
What does each GitLab team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
82 postingsSales
53 postingsSolutions
24 postingsLeadership
21 postingsDevOps
18 postingsHow does your stack fit GitLab?
How much does GitLab pay by technology?
Median stated pay of the postings that name each technology, against the median of all GitLab postings with stated pay: $220k across 111 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Ruby | 30 | $235k | +7% |
| Go | 24 | $256k | +16% |
| Python | 21 | $235k | +7% |
| Kubernetes | 20 | $235k | +7% |
| Ruby on Rails | 15 | $235k | +7% |
| GCP | 13 | $235k | +7% |
| TypeScript | 11 | $235k | +7% |
| Rust | 10 | $249k | +13% |
| PostgreSQL | 10 | $247k | +12% |
| AWS | 10 | $224k | +2% |
How is the GitLab 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 GitLab stack?
GitLab scores 81 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: 4; legacy ones: 0.
How common is the GitLab stack in its industry?
Share of the 262 companies in the same industries, whose stack Alion knows, that use each technology.
What sets GitLab apart
GitLab products in its job postings
Postings at GitLab name its own products. They describe what the company makes, so they are left out of the stack above.
Companies with a stack like GitLab
Questions about the GitLab tech stack
What programming languages does GitLab use?
The languages named in GitLab job postings are Ruby (31%), Go (20%), Python (17%), TypeScript (8%), JavaScript (8%), as a share of the 314 postings of the last 12 months.
Does GitLab use Ruby on Rails?
Yes. Ruby on Rails is named in 55 of 314 job postings (18%) and required in 52 of them.
What cloud and platforms does GitLab use?
The cloud and platforms named in GitLab job postings are Kubernetes (63), GCP (35), AWS (30) (postings in brackets).
What skills do you need for a Backend job at GitLab?
Backend postings at GitLab most often require Ruby (43), PostgreSQL (41), Go (38), Ruby on Rails (33), out of 82 postings in the last 12 months.
Is the GitLab tech stack changing?
Yes. Sentry, Edge AI, Modularization, OpenAI Codex first appeared in GitLab job postings in the last six months.
How modern is the GitLab tech stack?
GitLab scores 81 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: 4; legacy ones: 0.
How does Alion know the GitLab tech stack?
Alion reads every job posting GitLab publishes and tags the technologies each one names. The figures on this page count the 314 postings of the last 12 months and were updated on Sep 26, 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, "GitLab tech stack: 140 technologies from 314 job postings", as of Sep 26, 2026. https://alion.io/company/gitlab/technologies