Apollo.io
B2B Company & Contact Data · Sales Enablement

Apollo.io tech stack

Apollo.io builds mostly with Python, Ruby, SQL, JavaScript. Its stack also includes Apollo, GCP, ElasticSearch, Ruby on Rails. Apollo is named in 94 of the 94 job postings Apollo.io published in the last 12 months (100%). Counted by Alion from the job postings of Apollo.io, updated Nov 11, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Nov 11, 2026
Technologies in use
63
Postings analysed
94
Open now
46
Modernity
90 /100
New in 6 months
8

What programming languages does Apollo.io use?

Python is named in 18% of job postings at Apollo.io, followed by Ruby (17%), SQL (13%), JavaScript (9%).

Python 17 18% required in 53% · 9 open now · since Feb 2026
Ruby 16 17% required in 50% · 8 open now · since Apr 2026
SQL 12 13% required in 75% · 5 open now · since Feb 2026
JavaScript 8 9% required in 63% · 1 open now · since Apr 2026
Node JS 5 5% required in 80% · 1 open now · since Jul 2026
TypeScript 5 5% required in 60% · 1 open now · since Apr 2026
Go 3 3% required in 100% · 2 open now · since Jun 2026
SAS 2 2% optional · 1 open now · since Feb 2026
Show all (9)
Apex1

What frameworks and libraries does Apollo.io use?

Ruby on Rails is named in 13% of job postings at Apollo.io, followed by React.js (6%), Redux (5%), Ray (1%).

Ruby on Rails 12 13% required in 25% · 7 open now · since Apr 2026
React.js 6 6% required in 50% · 1 open now · since Apr 2026
Redux 5 5% required in 80% · since Jul 2026
Ray 1 1% required in 100% · 1 open now · since Sep 2026
Next.js 1 1% optional · since Sep 2026

What databases does Apollo.io use?

ElasticSearch is named in 13% of job postings at Apollo.io, followed by Redis (7%), MongoDB (5%), Snowflake (5%).

ElasticSearch 12 13% required in 17% · 5 open now · since Apr 2026
Redis 7 7% required in 57% · 2 open now · since Apr 2026
MongoDB 5 5% required in 60% · 2 open now · since Apr 2026
Snowflake 5 5% required in 60% · 3 open now · since Jul 2026

What cloud and platforms does Apollo.io use?

Apollo is named in 100% of job postings at Apollo.io, followed by GCP (18%), Kubernetes (17%), Perplexity (5%).

Apollo 94 100% required in 100% · 46 open now · since Dec 2025
GCP 17 18% required in 41% · 10 open now · since Apr 2026
Kubernetes 16 17% required in 25% · 9 open now · since Apr 2026
Perplexity 5 5% required in 100% · 2 open now · since Jun 2026
Looker 5 5% required in 80% · 1 open now · since Feb 2026
Cloudflare 4 4% required in 75% · 3 open now · since Jul 2026
GitHub 4 4% required in 75% · 2 open now · since Apr 2026
GitHub Actions 4 4% optional · since Apr 2026
Show all (19)
Grafana4
Kibana4
Crowdstrike3
Figma3
Okta3
SIEM3
Braze3
Linux3
AWS2
Apache Kafka2
Databricks2

What developer tools does Apollo.io use?

Docker is named in 17% of job postings at Apollo.io, followed by Terraform (15%), Rest API (9%), Cursor (9%).

Docker 16 17% required in 25% · 9 open now · since Apr 2026
Terraform 14 15% required in 14% · 7 open now · since Apr 2026
Rest API 8 9% required in 88% · 3 open now · since Dec 2025
Cursor 8 9% required in 63% · 4 open now · since May 2026
Claude Code 7 7% required in 71% · 3 open now · since May 2026
Model Context Protocol 6 6% required in 100% · 3 open now · since Jan 2026
Ansible 6 6% required in 33% · since Apr 2026
Git 3 3% required in 100% · 2 open now · since Jul 2026
Show all (11)
Lovable3
Microsoft Excel1
OpenAI Codex1

What AI and ML technologies does Apollo.io use?

Claude is named in 12% of job postings at Apollo.io, followed by ChatGPT (7%), LLM (1%).

Claude 11 12% required in 73% · 6 open now · since May 2026
ChatGPT 7 7% required in 100% · 3 open now · since May 2026
LLM 1 1% required in 100% · since Jul 2026

Which engineering practices does Apollo.io ask for?

Machine Learning is named in 10% of job postings at Apollo.io, followed by LLM Guardrails (6%), CI/CD (5%), AI Agents (5%).

Machine Learning 9 10% required in 22% · 3 open now · since Feb 2026
LLM Guardrails 6 6% required in 100% · 4 open now · since Jan 2026
CI/CD 5 5% required in 100% · 2 open now · since Jul 2026
AI Agents 5 5% required in 60% · 3 open now · since Jan 2026
A/B Testing 4 4% required in 50% · 1 open now · since Feb 2026
Human-in-the-Loop 3 3% required in 100% · 2 open now · since Sep 2026
Time Series 2 2% optional · 1 open now · since Feb 2026
Agentic Workflows 1 1% required in 100% · since Jul 2026
Show all (12)
DNS1
ETL/ELT1
Function Calling1
Recommender Systems1

What does each Apollo.io team work with?

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

Sales

27 postings
Apollo27
Claude Code2
Cursor2
Figma2
Lovable2
Model Context Protocol2

Backend

13 postings
Apollo13
SQL6
GCP5
JavaScript5
Docker4
Kubernetes4

Solutions

10 postings
Apollo10
Rest API5
ChatGPT4
Claude4
Perplexity4

Security

5 postings
Apollo5
Python5
Ruby3
Cloudflare2
Crowdstrike2
GCP2

See the open roles

How does your stack fit Apollo.io?

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How is the Apollo.io 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.

First appeared
Human-in-the-LoopSep 2026
DatabricksSep 2026
AWSAug 2026
BrazeAug 2026
Node JSJul 2026
ReduxJul 2026
CI/CDJul 2026
SnowflakeJul 2026
Rising
Rest API0% → 9%
React.js0% → 9%
TypeScript0% → 7%
GitHub Actions0% → 5%
Grafana0% → 5%
Kibana0% → 5%
Human-in-the-Loop0% → 5%
LLM Guardrails3% → 7%
Falling
Cursor17% → 5%
Claude Code14% → 5%
Ruby on Rails17% → 11%
Claude17% → 11%
Redis10% → 5%

How modern is the Apollo.io stack?

Cutting-edge AI adopter 90/100

Apollo.io scores 90 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 Apollo.io stack in its industry?

Share of the 520 companies in the same industries, whose stack Alion knows, that use each technology.

Apollo2%
GCP23%
Python48%
Kubernetes23%
Ruby5%
ElasticSearch10%
Ruby on Rails3%
SQL44%
Claude31%
JavaScript43%

What sets Apollo.io apart

Apollo2%
Ruby on Rails3%
MongoDB1%
Perplexity4%
Redux3%
Cloudflare4%
Kibana1%
Braze2%
Crowdstrike2%
SIEM3%

Questions about the Apollo.io tech stack

What programming languages does Apollo.io use?

The languages named in Apollo.io job postings are Python (18%), Ruby (17%), SQL (13%), JavaScript (9%), Node JS (5%), as a share of the 94 postings of the last 12 months.

Does Apollo.io use Ruby on Rails?

Yes. Ruby on Rails is named in 12 of 94 job postings (13%) and required in 3 of them.

What cloud and platforms does Apollo.io use?

The cloud and platforms named in Apollo.io job postings are Apollo (94), GCP (17), Kubernetes (16) (postings in brackets).

What skills do you need for a Sales job at Apollo.io?

Sales postings at Apollo.io most often require Apollo (27), Claude Code (2), Cursor (2), Figma (2), out of 27 postings in the last 12 months.

Is the Apollo.io tech stack changing?

Yes. Human-in-the-Loop, Databricks, AWS, Braze first appeared in Apollo.io job postings in the last six months.

How modern is the Apollo.io tech stack?

Apollo.io scores 90 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 Apollo.io tech stack?

Alion reads every job posting Apollo.io publishes and tags the technologies each one names. The figures on this page count the 94 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, "Apollo.io tech stack: 63 technologies from 94 job postings", as of Nov 11, 2026. https://alion.io/company/apollo-io/technologies

Licence: CC BY-SA 4.0JSON