Realtor.com tech stack
Realtor.com builds mostly with Python, SQL, JavaScript, TypeScript. Its stack also includes AWS, Tableau, Snowflake, React.js. Python is named in 31 of the 69 job postings Realtor.com published in the last 12 months (45%). Counted by Alion from the job postings of Realtor.com, updated Oct 2, 2026.
What programming languages does Realtor.com use?
Python is named in 45% of job postings at Realtor.com, followed by SQL (35%), JavaScript (25%), TypeScript (17%).
Python
31 45%
SQL
24 35%
JavaScript
17 25%
TypeScript
12 17%
Node JS
12 17%
Go
10 14%
Java
7 10%
Rust
3 4%
Show all (13)
What frameworks and libraries does Realtor.com use?
React.js is named in 17% of job postings at Realtor.com, followed by Streamlit (10%), Next.js (7%), NumPy (6%).
React.js
12 17%
Streamlit
7 10%
Next.js
5 7%
NumPy
4 6%
Pandas
4 6%
FastAPI
3 4%
Pydantic
3 4%
Ruby on Rails
2 3%
Show all (27)
What databases does Realtor.com use?
Snowflake is named in 23% of job postings at Realtor.com, followed by PostgreSQL (12%), MySQL (7%), DynamoDB (4%).
Snowflake
16 23%
PostgreSQL
8 12%
MySQL
5 7%
DynamoDB
3 4%
Amazon Aurora
2 3%
ElasticSearch
1 1%
Redis
1 1%
What cloud and platforms does Realtor.com use?
AWS is named in 43% of job postings at Realtor.com, followed by Tableau (23%), Amazon S3 (17%), Kubernetes (17%).
AWS
30 43%
Tableau
16 23%
Kubernetes
12 17%
Amazon EC2
9 13%
Amazon EKS
7 10%
Power BI
6 9%
Apache Kafka
5 7%
Show all (45)
And 5 more, each named in fewer postings.
What developer tools does Realtor.com use?
GraphQL is named in 25% of job postings at Realtor.com, followed by CircleCI (16%), Windsurf (13%), ArgoCD (10%).
GraphQL
17 25%
CircleCI
11 16%
Windsurf
9 13%
ArgoCD
7 10%
Model Context Protocol
7 10%
dbt
7 10%
Claude Code
6 9%
Copilot
5 7%
Show all (33)
What AI and ML technologies does Realtor.com use?
LLM is named in 17% of job postings at Realtor.com, followed by Claude (16%), Gemini (6%).
Which engineering practices does Realtor.com ask for?
CI/CD is named in 25% of job postings at Realtor.com, followed by Machine Learning (23%), ETL/ELT (17%), A/B Testing (14%).
CI/CD
17 25%
AI Agents
8 12%
Platform Engineering
7 10%
Show all (31)
What does each Realtor.com team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
18 postingsProduct
12 postingsData Science
9 postingsAnalytics
8 postingsDevOps
4 postingsHow does your stack fit Realtor.com?
How is the Realtor.com 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 Realtor.com stack?
Realtor.com 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 Realtor.com stack in its industry?
Share of the 93 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Realtor.com apart
Companies with a stack like Realtor.com
Questions about the Realtor.com tech stack
What programming languages does Realtor.com use?
The languages named in Realtor.com job postings are Python (45%), SQL (35%), JavaScript (25%), TypeScript (17%), Node JS (17%), as a share of the 69 postings of the last 12 months.
Does Realtor.com use React.js?
Yes. React.js is named in 12 of 69 job postings (17%) and required in 9 of them.
What cloud and platforms does Realtor.com use?
The cloud and platforms named in Realtor.com job postings are AWS (30), Tableau (16), Amazon S3 (12) (postings in brackets).
What skills do you need for a Backend job at Realtor.com?
Backend postings at Realtor.com most often require AWS (11), GraphQL (10), Python (8), TypeScript (8), out of 18 postings in the last 12 months.
Is the Realtor.com tech stack changing?
Yes. Salesforce Data Cloud, Auth0, Okta, Twilio first appeared in Realtor.com job postings in the last six months.
How modern is the Realtor.com tech stack?
Realtor.com 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 Realtor.com tech stack?
Alion reads every job posting Realtor.com publishes and tags the technologies each one names. The figures on this page count the 69 postings of the last 12 months and were updated on Oct 2, 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, "Realtor.com tech stack: 160 technologies from 69 job postings", as of Oct 2, 2026. https://alion.io/company/realtor-com-careers/technologies