42Labs tech stack

42Labs builds mostly with SQL, C#, COBOL, Java. Its stack also includes .NET, Databricks, React.js, Spring Boot. SQL is named in 3 of the 4 job postings 42Labs published in the last 12 months (75%). Counted by Alion from the job postings of 42Labs, updated Oct 5, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 5, 2026
Technologies in use
14
Postings analysed
4
Open now
4
Modernity
79 /100

What programming languages does 42Labs use?

SQL is named in 75% of job postings at 42Labs, followed by C# (25%), COBOL (25%), Java (25%).

SQL 3 75% required in 100% · 3 open now · since Aug 2026
C# 1 25% required in 100% · 1 open now · since Oct 2026
COBOL 1 25% required in 100% · 1 open now · since Aug 2026
Java 1 25% required in 100% · 1 open now · since Sep 2026
JavaScript 1 25% required in 100% · 1 open now · since Oct 2026
Node JS 1 25% required in 100% · 1 open now · since Oct 2026
Python 1 25% required in 100% · 1 open now · since Oct 2026

What frameworks and libraries does 42Labs use?

React.js is named in 25% of job postings at 42Labs, followed by Spring Boot (25%).

React.js 1 25% required in 100% · 1 open now · since Oct 2026
Spring Boot 1 25% required in 100% · 1 open now · since Sep 2026

What cloud and platforms does 42Labs use?

.NET is named in 25% of job postings at 42Labs, followed by Databricks (25%).

.NET 1 25% required in 100% · 1 open now · since Oct 2026
Databricks 1 25% required in 100% · 1 open now · since Oct 2026

What developer tools does 42Labs use?

Devin is named in 25% of job postings at 42Labs, followed by Git (25%), Rest API (25%).

Devin 1 25% required in 100% · 1 open now · since Aug 2026
Git 1 25% required in 100% · 1 open now · since Aug 2026
Rest API 1 25% required in 100% · 1 open now · since Oct 2026

How does your stack fit 42Labs?

Sign in to compare your skills with this stack and see which open roles fit you.
Sign In

How modern is the 42Labs stack?

Cutting-edge 79/100

42Labs 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: 0; legacy ones: 0.

Questions about the 42Labs tech stack

What programming languages does 42Labs use?

The languages named in 42Labs job postings are SQL (75%), C# (25%), COBOL (25%), Java (25%), JavaScript (25%), as a share of the 4 postings of the last 12 months.

What cloud and platforms does 42Labs use?

The cloud and platforms named in 42Labs job postings are .NET (1), Databricks (1) (postings in brackets).

Is the 42Labs tech stack changing?

No new technology has appeared in 42Labs job postings in the last six months.

How modern is the 42Labs tech stack?

42Labs 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: 0; legacy ones: 0.

How does Alion know the 42Labs tech stack?

Alion reads every job posting 42Labs publishes and tags the technologies each one names. The figures on this page count the 4 postings of the last 12 months and were updated on Oct 5, 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, "42Labs tech stack: 14 technologies from 4 job postings", as of Oct 5, 2026. https://alion.io/company/42labs-2/technologies

Licence: CC BY-SA 4.0JSON