Relay tech stack
Relay builds mostly with SQL, JavaScript, TypeScript, Node JS. Its stack also includes AWS, Metabase, PostgreSQL, DynamoDB. SQL is named in 15 of the 33 job postings Relay published in the last 12 months (45%). Counted by Alion from the job postings of Relay, updated Sep 28, 2026.
What programming languages does Relay use?
SQL is named in 45% of job postings at Relay, followed by JavaScript (42%), TypeScript (36%), Node JS (33%).
What frameworks and libraries does Relay use?
React.js is named in 27% of job postings at Relay, followed by React Native (24%), GSAP (6%), Dagster (3%).
What databases does Relay use?
PostgreSQL is named in 30% of job postings at Relay, followed by DynamoDB (27%), ElasticSearch (21%), Snowflake (15%).
PostgreSQL
10 30%
DynamoDB
9 27%
ElasticSearch
7 21%
Snowflake
5 15%
Google BigQuery
3 9%
BigQuery
2 6%
Amazon Aurora
1 3%
Amazon Redshift
1 3%
Show all (9)
What cloud and platforms does Relay use?
AWS is named in 42% of job postings at Relay, followed by Metabase (36%), Datadog (33%), GitHub (33%).
AWS
14 42%
Datadog
11 33%
GitHub
11 33%
GitHub Actions
9 27%
AWS Lambda
7 21%
Show all (21)
What developer tools does Relay use?
Cursor is named in 30% of job postings at Relay, followed by Terraform (24%), dbt (15%), Claude Code (6%).
Cursor
10 30%
Terraform
8 24%
dbt
5 15%
Claude Code
2 6%
Git
2 6%
Canva
1 3%
Terragrunt
1 3%
Docker
1 3%
What AI and ML technologies does Relay use?
Claude is named in 30% of job postings at Relay, followed by LLM (12%), ChatGPT (3%).
Which engineering practices does Relay ask for?
CI/CD is named in 18% of job postings at Relay, followed by A/B Testing (15%), AI Agents (12%), Agentic Workflows (6%).
CI/CD
6 18%
AI Agents
4 12%
Prompt Engineering
2 6%
Incident Management
1 3%
SRE
1 3%
Show all (11)
What does each Relay team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Security
3 postingsLeadership
3 postingsHow does your stack fit Relay?
How is the Relay 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 Relay stack?
Relay scores 86 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 Relay stack in its industry?
Share of the 497 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Relay apart
Companies with a stack like Relay
Questions about the Relay tech stack
What programming languages does Relay use?
The languages named in Relay job postings are SQL (45%), JavaScript (42%), TypeScript (36%), Node JS (33%), Python (15%), as a share of the 33 postings of the last 12 months.
Does Relay use React.js?
Yes. React.js is named in 9 of 33 job postings (27%) and required in 1 of them.
What cloud and platforms does Relay use?
The cloud and platforms named in Relay job postings are AWS (14), Metabase (12), Datadog (11) (postings in brackets).
What skills do you need for a Security job at Relay?
Security postings at Relay most often require Claude Code (2), Cursor (2), Datadog (2), JavaScript (2), out of 3 postings in the last 12 months.
Is the Relay tech stack changing?
Yes. Agentic Workflows, Claude Code, Azure, GCP first appeared in Relay job postings in the last six months.
How modern is the Relay tech stack?
Relay scores 86 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 Relay tech stack?
Alion reads every job posting Relay publishes and tags the technologies each one names. The figures on this page count the 33 postings of the last 12 months and were updated on Sep 28, 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, "Relay tech stack: 65 technologies from 33 job postings", as of Sep 28, 2026. https://alion.io/company/relay-2/technologies