Horizon3 tech stack
Horizon3 builds mostly with Python, SQL, Go, TypeScript. Its stack also includes AWS, Kubernetes, PostgreSQL, Neo4j. Python is named in 90 of the 151 job postings Horizon3 published in the last 12 months (60%). Counted by Alion from the job postings of Horizon3, updated Nov 13, 2026.
What programming languages does Horizon3 use?
Python is named in 60% of job postings at Horizon3, followed by SQL (31%), Go (25%), TypeScript (18%).
Python
90 60%
SQL
47 31%
Go
38 25%
TypeScript
27 18%
Java
18 12%
C++
16 11%
JavaScript
15 10%
Rust
12 8%
Show all (16)
What frameworks and libraries does Horizon3 use?
OpenTelemetry is named in 6% of job postings at Horizon3, followed by React.js (3%), Flink (3%), Impacket (2%).
OpenTelemetry
9 6%
React.js
5 3%
Flink
4 3%
Impacket
3 2%
Angular
2 1%
Celery
2 1%
Playwright
2 1%
Selenium
2 1%
Show all (18)
What databases does Horizon3 use?
PostgreSQL is named in 26% of job postings at Horizon3, followed by Neo4j (25%), TimescaleDB (3%), Amazon Neptune (2%).
PostgreSQL
40 26%
Neo4j
38 25%
TimescaleDB
4 3%
Amazon Neptune
3 2%
InfluxDB
3 2%
Snowflake
2 1%
Amazon Aurora
1 1%
ClickHouse
1 1%
Show all (15)
What cloud and platforms does Horizon3 use?
AWS is named in 58% of job postings at Horizon3, followed by Kubernetes (34%), Azure (32%), GCP (30%).
AWS
87 58%
Kubernetes
52 34%
Azure
48 32%
GCP
45 30%
Datadog
26 17%
Okta
18 12%
Show all (74)
And 34 more, each named in fewer postings.
What developer tools does Horizon3 use?
Docker is named in 28% of job postings at Horizon3, followed by GraphQL (19%), Terraform (9%), Prometheus (9%).
Docker
42 28%
GraphQL
28 19%
Terraform
14 9%
Prometheus
13 9%
Rest API
9 6%
Git
7 5%
Ansible
6 4%
CloudFormation
6 4%
Show all (56)
And 16 more, each named in fewer postings.
What AI and ML technologies does Horizon3 use?
LLM is named in 12% of job postings at Horizon3, followed by Claude (5%), Gemini (2%), ChatGPT (1%).
Which engineering practices does Horizon3 ask for?
CI/CD is named in 15% of job postings at Horizon3, followed by ETL/ELT (13%), AI Agents (13%), IAM (11%).
CI/CD
23 15%
AI Agents
20 13%
Platform Engineering
10 7%
Incident Management
7 5%
Show all (45)
And 5 more, each named in fewer postings.
What does each Horizon3 team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
35 postingsLeadership
20 postingsProduct
11 postingsMarketing
10 postingsIndustrial Engineering
9 postingsDevOps
8 postingsHow does your stack fit Horizon3?
How much does Horizon3 pay by technology?
Median stated pay of the postings that name each technology, against the median of all Horizon3 postings with stated pay: $254k across 138 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Python | 84 | $260k | +2% |
| AWS | 79 | $260k | +2% |
| Kubernetes | 48 | $246k | −3% |
| Azure | 43 | $243k | −4% |
| SQL | 43 | $235k | −7% |
| GCP | 40 | $243k | −4% |
| PostgreSQL | 36 | $265k | +4% |
| Go | 36 | $265k | +4% |
| Neo4j | 35 | $270k | +6% |
| TypeScript | 25 | $265k | +4% |
How is the Horizon3 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 Horizon3 stack?
Horizon3 scores 77 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 Horizon3 stack in its industry?
Share of the 312 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Horizon3 apart
Companies with a stack like Horizon3
Questions about the Horizon3 tech stack
What programming languages does Horizon3 use?
The languages named in Horizon3 job postings are Python (60%), SQL (31%), Go (25%), TypeScript (18%), Java (12%), as a share of the 151 postings of the last 12 months.
Does Horizon3 use OpenTelemetry?
Yes. OpenTelemetry is named in 9 of 151 job postings (6%) and required in 7 of them.
What cloud and platforms does Horizon3 use?
The cloud and platforms named in Horizon3 job postings are AWS (87), Kubernetes (52), Azure (48) (postings in brackets).
What skills do you need for a Backend job at Horizon3?
Backend postings at Horizon3 most often require Python (32), AWS (28), Go (27), Kubernetes (24), out of 35 postings in the last 12 months.
Is the Horizon3 tech stack changing?
Yes. Google GKE, Reinforcement Learning, ModSecurity, eBPF first appeared in Horizon3 job postings in the last six months.
How modern is the Horizon3 tech stack?
Horizon3 scores 77 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 Horizon3 tech stack?
Alion reads every job posting Horizon3 publishes and tags the technologies each one names. The figures on this page count the 151 postings of the last 12 months and were updated on Nov 13, 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, "Horizon3 tech stack: 228 technologies from 151 job postings", as of Nov 13, 2026. https://alion.io/company/horizon3/technologies