First Circle tech stack

First Circle builds mostly with SQL, PHP, Python, Java. Its stack also includes Azure, Datadog, Snowflake. SQL is named in 9 of the 18 job postings First Circle published in the last 12 months (50%). Counted by Alion from the job postings of First Circle, updated Sep 28, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 28, 2026
Technologies in use
26
Postings analysed
18
Open now
14
Modernity
76 /100
New in 6 months
1

What programming languages does First Circle use?

SQL is named in 50% of job postings at First Circle, followed by PHP (22%), Python (17%), Java (11%).

SQL 9 50% required in 44% · 7 open now · since Feb 2026
PHP 4 22% required in 75% · 3 open now · since Jul 2024
Python 3 17% required in 33% · 3 open now · since Feb 2026
Java 2 11% required in 100% · 2 open now · since Jan 2026
Kotlin 2 11% required in 100% · 2 open now · since Jan 2026
Ruby 2 11% required in 100% · 2 open now · since Jan 2026

What databases does First Circle use?

Snowflake is named in 6% of job postings at First Circle.

Snowflake 1 6% optional · 1 open now · since Sep 2026

What cloud and platforms does First Circle use?

Azure is named in 11% of job postings at First Circle, followed by Datadog (6%), DigitalOcean (6%), GitHub (6%).

Azure 2 11% required in 100% · 2 open now · since Mar 2026
Datadog 1 6% required in 100% · 1 open now · since Sep 2026
DigitalOcean 1 6% required in 100% · 1 open now · since Sep 2026
GitHub 1 6% required in 100% · 1 open now · since Sep 2026
Kubernetes 1 6% required in 100% · 1 open now · since Sep 2026
Linux 1 6% required in 100% · 1 open now · since Sep 2026
Sentry 1 6% required in 100% · 1 open now · since Sep 2026
Looker 1 6% optional · 1 open now · since May 2026
Show all (9)
Tableau1

What developer tools does First Circle use?

Microsoft Excel is named in 17% of job postings at First Circle, followed by Kong (11%), Docker (6%), Terraform (6%).

Microsoft Excel 3 17% required in 67% · 1 open now · since Jul 2026
Kong 2 11% required in 100% · 2 open now · since Jan 2026
Docker 1 6% required in 100% · 1 open now · since Sep 2026
Terraform 1 6% required in 100% · 1 open now · since Sep 2026

What AI and ML technologies does First Circle use?

LLM is named in 11% of job postings at First Circle.

LLM 2 11% required in 100% · 2 open now · since Jan 2026

Which engineering practices does First Circle ask for?

AI Agents is named in 6% of job postings at First Circle, followed by CI/CD (6%), Rollup (6%), SLI/SLO/SLA (6%).

AI Agents 1 6% required in 100% · 1 open now · since Mar 2026
CI/CD 1 6% required in 100% · 1 open now · since Sep 2026
Rollup 1 6% required in 100% · 1 open now · since May 2026
SLI/SLO/SLA 1 6% required in 100% · 1 open now · since Mar 2026
Incident Management 1 6% optional · 1 open now · since Sep 2026

How does your stack fit First Circle?

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How is the First Circle 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
Microsoft ExcelJul 2026
Not named for 6 months
JavaMar 2026
KongMar 2026
KotlinMar 2026
LLMMar 2026
RubyMar 2026

How modern is the First Circle stack?

Cutting-edge AI adopter 76/100

First Circle scores 76 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 First Circle stack in its industry?

Share of the 117 companies in the same industries, whose stack Alion knows, that use each technology.

SQL50%
PHP7%
Python51%
Azure26%
Java18%
Kotlin10%
LLM21%
Ruby3%
Datadog8%
DigitalOcean1%

Questions about the First Circle tech stack

What programming languages does First Circle use?

The languages named in First Circle job postings are SQL (50%), PHP (22%), Python (17%), Java (11%), Kotlin (11%), as a share of the 18 postings of the last 12 months.

Does First Circle use Azure?

Yes. Azure is named in 2 of 18 job postings (11%) and required in 2 of them.

What cloud and platforms does First Circle use?

The cloud and platforms named in First Circle job postings are Azure (2), Datadog (1), DigitalOcean (1) (postings in brackets).

Is the First Circle tech stack changing?

Yes. Microsoft Excel first appeared in First Circle job postings in the last six months.

How modern is the First Circle tech stack?

First Circle scores 76 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 First Circle tech stack?

Alion reads every job posting First Circle publishes and tags the technologies each one names. The figures on this page count the 18 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, "First Circle tech stack: 26 technologies from 18 job postings", as of Sep 28, 2026. https://alion.io/company/first-circle/technologies

Licence: CC BY-SA 4.0JSON