MongoDB tech stack
MongoDB builds mostly with Python, JavaScript, C++, C#. Its stack also includes AWS, GCP, PostgreSQL, MS SQL. AWS is named in 466 of the 466 job postings MongoDB published in the last 12 months (100%). Counted by Alion from the job postings of MongoDB, updated Sep 27, 2026.
What programming languages does MongoDB use?
Python is named in 29% of job postings at MongoDB, followed by JavaScript (23%), C++ (22%), C# (21%).
Python
136 29%
JavaScript
108 23%
C++
102 22%
C#
96 21%
Java
90 19%
SQL
85 18%
Node JS
80 17%
Go
61 13%
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What frameworks and libraries does MongoDB use?
React.js is named in 3% of job postings at MongoDB, followed by Lightning Web Components (2%), OpenTelemetry (2%), LangChain (1%).
React.js
12 3%
OpenTelemetry
7 2%
LangChain
6 1%
Flink
5 1%
Redux
4 1%
LangGraph
4 1%
LlamaIndex
3 1%
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What databases does MongoDB use?
PostgreSQL is named in 3% of job postings at MongoDB, followed by MS SQL (3%), Oracle (2%), MySQL (1%).
PostgreSQL
14 3%
MS SQL
12 3%
Oracle
7 2%
MySQL
5 1%
Cassandra
2 <1%
Amazon Aurora
1 <1%
Amazon DocumentDB
1 <1%
Azure Cosmos DB
1 <1%
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What cloud and platforms does MongoDB use?
AWS is named in 100% of job postings at MongoDB, followed by GCP (100%), Azure (100%), Kubernetes (23%).
AWS
466 100%
GCP
465 100%
Azure
464 100%
Kubernetes
109 23%
Apache Kafka
53 11%
Tableau
17 4%
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What developer tools does MongoDB use?
Microsoft Excel is named in 3% of job postings at MongoDB, followed by Model Context Protocol (3%), Claude Code (3%), Cursor (3%).
Model Context Protocol
15 3%
Claude Code
15 3%
Cursor
14 3%
Copilot
10 2%
Terraform
9 2%
Git
8 2%
Docker
7 2%
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What AI and ML technologies does MongoDB use?
LLM is named in 3% of job postings at MongoDB, followed by Gemini (1%), Claude (1%).
Which engineering practices does MongoDB ask for?
RAG is named in 11% of job postings at MongoDB, followed by AI Agents (9%), CI/CD (8%), DNS (6%).
RAG
49 11%
AI Agents
42 9%
CI/CD
38 8%
Platform Engineering
14 3%
Show all (43)
And 3 more, each named in fewer postings.
What does each MongoDB team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Sales
105 postingsSolutions
62 postingsBackend
58 postingsProduct
40 postingsIndustrial Engineering
24 postingsHow does your stack fit MongoDB?
How much does MongoDB pay by technology?
Median stated pay of the postings that name each technology, against the median of all MongoDB postings with stated pay: $209k across 140 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| AWS | 140 | $209k | 0% |
| GCP | 140 | $209k | 0% |
| Azure | 140 | $209k | 0% |
| C++ | 24 | $209k | 0% |
| Kubernetes | 23 | $218k | +4% |
| Python | 23 | $204k | −2% |
| Go | 21 | $209k | 0% |
| JavaScript | 17 | $209k | 0% |
| Java | 16 | $209k | 0% |
| C# | 14 | $209k | 0% |
How is the MongoDB 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 MongoDB stack?
MongoDB scores 82 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: 3; legacy ones: 0.
How common is the MongoDB stack in its industry?
Share of the 89 companies in the same industries, whose stack Alion knows, that use each technology.
What sets MongoDB apart
MongoDB products in its job postings
Postings at MongoDB name its own products. They describe what the company makes, so they are left out of the stack above.
Companies with a stack like MongoDB
Questions about the MongoDB tech stack
What programming languages does MongoDB use?
The languages named in MongoDB job postings are Python (29%), JavaScript (23%), C++ (22%), C# (21%), Java (19%), as a share of the 466 postings of the last 12 months.
Does MongoDB use React.js?
Yes. React.js is named in 12 of 466 job postings (3%) and required in 11 of them.
What cloud and platforms does MongoDB use?
The cloud and platforms named in MongoDB job postings are AWS (466), GCP (465), Azure (464) (postings in brackets).
What skills do you need for a Sales job at MongoDB?
Sales postings at MongoDB most often require AWS (91), GCP (90), Azure (89), Go (10), out of 105 postings in the last 12 months.
Is the MongoDB tech stack changing?
Yes. .NET, Spring Boot, Hibernate, Cassandra first appeared in MongoDB job postings in the last six months.
How modern is the MongoDB tech stack?
MongoDB scores 82 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: 3; legacy ones: 0.
How does Alion know the MongoDB tech stack?
Alion reads every job posting MongoDB publishes and tags the technologies each one names. The figures on this page count the 466 postings of the last 12 months and were updated on Sep 27, 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, "MongoDB tech stack: 167 technologies from 466 job postings", as of Sep 27, 2026. https://alion.io/company/mongodb/technologies