Keycard tech stack
Keycard builds mostly with Go, Rust, Python, SQL. Its stack also includes Auth0, Heroku, Flink, Next.js. Auth0 is named in 11 of the 11 job postings Keycard published in the last 12 months (100%). Counted by Alion from the job postings of Keycard, updated Oct 9, 2026.
What programming languages does Keycard use?
Go is named in 45% of job postings at Keycard, followed by Rust (36%), Python (18%), SQL (18%).
What frameworks and libraries does Keycard use?
Flink is named in 9% of job postings at Keycard, followed by Next.js (9%), OpenAI Agents SDK (9%), React.js (9%).
What cloud and platforms does Keycard use?
Auth0 is named in 100% of job postings at Keycard, followed by Heroku (100%), Snyk (100%), WebAssembly (18%).
Heroku
11 100%
Snyk
11 100%
WebAssembly
2 18%
Apache Kafka
1 9%
Figma
1 9%
Kubernetes
1 9%
What developer tools does Keycard use?
Model Context Protocol is named in 55% of job postings at Keycard, followed by A2A (27%), Claude Code (27%), Cursor (27%).
What AI and ML technologies does Keycard use?
Claude is named in 9% of job postings at Keycard.
Claude
1 9%
Which engineering practices does Keycard ask for?
AI Agents is named in 100% of job postings at Keycard, followed by LLM Guardrails (73%), Agentic Workflows (64%), IAM (18%).
What does each Keycard team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
5 postingsHow does your stack fit Keycard?
How is the Keycard 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 Keycard stack?
Keycard scores 79 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: 1; legacy ones: 0.
How common is the Keycard stack in its industry?
Share of the 4,549 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Keycard apart
Companies with a stack like Keycard
Questions about the Keycard tech stack
What programming languages does Keycard use?
The languages named in Keycard job postings are Go (45%), Rust (36%), Python (18%), SQL (18%), TypeScript (9%), as a share of the 11 postings of the last 12 months.
Does Keycard use Auth0?
Yes. Auth0 is named in 11 of 11 job postings (100%) and required in 11 of them.
What cloud and platforms does Keycard use?
The cloud and platforms named in Keycard job postings are Auth0 (11), Heroku (11), Snyk (11) (postings in brackets).
What skills do you need for a Backend job at Keycard?
Backend postings at Keycard most often require Auth0 (5), Go (5), Heroku (5), Snyk (5), out of 5 postings in the last 12 months.
Is the Keycard tech stack changing?
Yes. IAM, SQL first appeared in Keycard job postings in the last six months.
How modern is the Keycard tech stack?
Keycard scores 79 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: 1; legacy ones: 0.
How does Alion know the Keycard tech stack?
Alion reads every job posting Keycard publishes and tags the technologies each one names. The figures on this page count the 11 postings of the last 12 months and were updated on Oct 9, 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, "Keycard tech stack: 30 technologies from 11 job postings", as of Oct 9, 2026. https://alion.io/company/keycard/technologies