MongoDB tech stack
MongoDB builds mostly with Python, C++, JavaScript, C#. Its stack also includes AWS, GCP, PostgreSQL, React.js. AWS is named in 649 of the 649 job postings MongoDB published in the last 12 months (100%). Counted by Alion from the job postings of MongoDB, updated Nov 11, 2026.
What programming languages does MongoDB use?
Python is named in 31% of job postings at MongoDB, followed by C++ (24%), JavaScript (23%), C# (19%).
Python
200 31%
C++
154 24%
JavaScript
151 23%
C#
122 19%
Java
114 18%
SQL
112 17%
Node JS
106 16%
Go
91 14%
Show all (18)
What frameworks and libraries does MongoDB use?
React.js is named in 3% of job postings at MongoDB, followed by Lightning Web Components (2%), LangChain (2%), LangGraph (1%).
React.js
18 3%
LangChain
10 2%
LangGraph
8 1%
OpenTelemetry
8 1%
Flink
7 1%
Redux
5 1%
FastAPI
4 1%
Show all (23)
What databases does MongoDB use?
PostgreSQL is named in 3% of job postings at MongoDB, followed by MS SQL (2%), MySQL (2%), Oracle (1%).
PostgreSQL
20 3%
MS SQL
13 2%
MySQL
10 2%
Oracle
9 1%
Cassandra
2 <1%
Google BigQuery
2 <1%
ElasticSearch
2 <1%
Snowflake
2 <1%
Show all (17)
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
649 100%
GCP
648 100%
Azure
647 100%
Kubernetes
147 23%
Apache Kafka
70 11%
Tableau
29 4%
Show all (40)
What developer tools does MongoDB use?
Model Context Protocol is named in 4% of job postings at MongoDB, followed by Microsoft Excel (3%), Terraform (3%), Claude Code (2%).
Model Context Protocol
23 4%
Terraform
19 3%
Claude Code
16 2%
Cursor
15 2%
Copilot
11 2%
Docker
11 2%
Rest API
10 2%
Show all (43)
And 3 more, each named in fewer postings.
What AI and ML technologies does MongoDB use?
LLM is named in 4% of job postings at MongoDB, followed by Claude (1%), Gemini (1%).
Which engineering practices does MongoDB ask for?
AI Agents is named in 10% of job postings at MongoDB, followed by RAG (9%), CI/CD (8%), TCP/IP (5%).
AI Agents
63 10%
RAG
61 9%
CI/CD
54 8%
SLI/SLO/SLA
15 2%
Show all (47)
And 7 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
124 postingsBackend
96 postingsSolutions
78 postingsProduct
56 postingsIndustrial Engineering
42 postingsMarketing
31 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 182 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| AWS | 182 | $209k | 0% |
| GCP | 182 | $209k | 0% |
| Azure | 182 | $209k | 0% |
| Python | 39 | $231k | +11% |
| C++ | 37 | $231k | +11% |
| Kubernetes | 32 | $230k | +10% |
| Go | 32 | $223k | +6% |
| JavaScript | 27 | $204k | −2% |
| Java | 22 | $209k | 0% |
| SQL | 20 | $204k | −2% |
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 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: 3; legacy ones: 0.
How common is the MongoDB stack in its industry?
Share of the 140 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 (31%), C++ (24%), JavaScript (23%), C# (19%), Java (18%), as a share of the 649 postings of the last 12 months.
Does MongoDB use React.js?
Yes. React.js is named in 18 of 649 job postings (3%) and required in 17 of them.
What cloud and platforms does MongoDB use?
The cloud and platforms named in MongoDB job postings are AWS (649), GCP (648), Azure (647) (postings in brackets).
What skills do you need for a Sales job at MongoDB?
Sales postings at MongoDB most often require AWS (101), GCP (100), Azure (99), SQL (12), out of 124 postings in the last 12 months.
Is the MongoDB tech stack changing?
Yes. TanStack Start, .NET, Hibernate, Human-in-the-Loop first appeared in MongoDB job postings in the last six months.
How modern is the MongoDB tech stack?
MongoDB 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: 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 649 postings of the last 12 months and were updated on Nov 11, 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: 191 technologies from 649 job postings", as of Nov 11, 2026. https://alion.io/company/mongodb/technologies