Cardless tech stack
Cardless builds mostly with SQL, Python, Java, JavaScript. Its stack also includes Figma, Jackson, Spark, Next.js. SQL is named in 6 of the 16 job postings Cardless published in the last 12 months (38%). Counted by Alion from the job postings of Cardless, updated Sep 28, 2026.
What programming languages does Cardless use?
SQL is named in 38% of job postings at Cardless, followed by Python (25%), Java (19%), JavaScript (6%).
What frameworks and libraries does Cardless use?
Jackson is named in 19% of job postings at Cardless, followed by Next.js (6%), React Native (6%), React.js (6%).
What cloud and platforms does Cardless use?
Figma is named in 19% of job postings at Cardless, followed by Spark (13%), Looker (6%), Tableau (6%).
What developer tools does Cardless use?
Adobe Photoshop is named in 6% of job postings at Cardless, followed by Claude Code (6%), Cursor (6%), OpenAI Codex (6%).
Adobe Photoshop
1 6%
Claude Code
1 6%
Cursor
1 6%
GraphQL
1 6%
Rest API
1 6%
Yarn
1 6%
Which engineering practices does Cardless ask for?
AI Agents is named in 19% of job postings at Cardless, followed by SLI/SLO/SLA (19%), Machine Learning (13%), A/B Testing (6%).
What does each Cardless team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
4 postingsHow does your stack fit Cardless?
How is the Cardless 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 Cardless stack?
Cardless scores 75 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: 0; legacy ones: 0.
How common is the Cardless stack in its industry?
Share of the 113 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Cardless apart
Companies with a stack like Cardless
Questions about the Cardless tech stack
What programming languages does Cardless use?
The languages named in Cardless job postings are SQL (38%), Python (25%), Java (19%), JavaScript (6%), as a share of the 16 postings of the last 12 months.
Does Cardless use Figma?
Yes. Figma is named in 3 of 16 job postings (19%) and required in 3 of them.
What cloud and platforms does Cardless use?
The cloud and platforms named in Cardless job postings are Figma (3), Spark (2), Looker (1) (postings in brackets).
What skills do you need for a Backend job at Cardless?
Backend postings at Cardless most often require Java (3), Python (3), Spark (2), out of 4 postings in the last 12 months.
Is the Cardless tech stack changing?
Yes. Spark, Java, Jackson first appeared in Cardless job postings in the last six months.
How modern is the Cardless tech stack?
Cardless scores 75 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: 0; legacy ones: 0.
How does Alion know the Cardless tech stack?
Alion reads every job posting Cardless publishes and tags the technologies each one names. The figures on this page count the 16 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, "Cardless tech stack: 25 technologies from 16 job postings", as of Sep 28, 2026. https://alion.io/company/cardless/technologies