GuestWorld tech stack

GuestWorld builds mostly with SQL, C#, Java, JavaScript. Its stack also includes .NET, Azure, Oracle, PostgreSQL. SQL is named in 4 of the 5 job postings GuestWorld published in the last 12 months (80%). Counted by Alion from the job postings of GuestWorld, updated Oct 3, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 3, 2026
Technologies in use
31
Postings analysed
5
Open now
5
Modernity
77 /100
New in 6 months
5

What programming languages does GuestWorld use?

SQL is named in 80% of job postings at GuestWorld, followed by C# (60%), Java (20%), JavaScript (20%).

SQL 4 80% required in 100% · 4 open now · since May 2026
C# 3 60% required in 100% · 3 open now · since Nov 2024
Java 1 20% required in 100% · 1 open now · since Jul 2026
JavaScript 1 20% optional · 1 open now · since Jul 2026

What frameworks and libraries does GuestWorld use?

Entity Framework Core is named in 20% of job postings at GuestWorld, followed by React.js (20%).

Entity Framework Core 1 20% required in 100% · 1 open now · since Aug 2026
React.js 1 20% required in 100% · 1 open now · since Jul 2026

What databases does GuestWorld use?

Oracle is named in 20% of job postings at GuestWorld, followed by PostgreSQL (20%), Redis (20%).

Oracle 1 20% required in 100% · 1 open now · since Jul 2026
PostgreSQL 1 20% required in 100% · 1 open now · since Jul 2026
Redis 1 20% required in 100% · 1 open now · since Aug 2026

What cloud and platforms does GuestWorld use?

.NET is named in 40% of job postings at GuestWorld, followed by Azure (40%), AWS (20%), Apache Kafka (20%).

.NET 2 40% required in 100% · 2 open now · since Jul 2026
Azure 2 40% required in 50% · 2 open now · since Nov 2024
AWS 1 20% required in 100% · 1 open now · since Jul 2026
Apache Kafka 1 20% required in 100% · 1 open now · since Aug 2026
Azure DevOps 1 20% required in 100% · 1 open now · since May 2026
Datadog 1 20% required in 100% · 1 open now · since Aug 2026
Grafana 1 20% required in 100% · 1 open now · since Aug 2026
Kubernetes 1 20% required in 100% · 1 open now · since Jul 2026

What developer tools does GuestWorld use?

Docker is named in 40% of job postings at GuestWorld, followed by Git (20%), Model Context Protocol (20%), Rest API (20%).

Docker 2 40% required in 100% · 2 open now · since Jul 2026
Git 1 20% required in 100% · 1 open now · since Aug 2026
Model Context Protocol 1 20% required in 100% · 1 open now · since Jul 2026
Rest API 1 20% required in 100% · 1 open now · since Jul 2026

Which engineering practices does GuestWorld ask for?

CI/CD is named in 40% of job postings at GuestWorld, followed by SOAP (40%), AI Agents (20%), Clean Architecture (20%).

CI/CD 2 40% required in 100% · 2 open now · since Jul 2026
SOAP 2 40% required in 100% · 2 open now · since May 2026
AI Agents 1 20% required in 100% · 1 open now · since Jul 2026
Clean Architecture 1 20% required in 100% · 1 open now · since Jul 2026
Embeddings 1 20% required in 100% · 1 open now · since Jul 2026
OCR 1 20% required in 100% · 1 open now · since May 2026
Prompt Engineering 1 20% required in 100% · 1 open now · since Jul 2026
RAG 1 20% required in 100% · 1 open now · since Jul 2026
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Red Teaming1
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How is the GuestWorld 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
.NETJul 2026
CI/CDJul 2026
DockerJul 2026
SQLMay 2026
SOAPMay 2026

How modern is the GuestWorld stack?

Cutting-edge 77/100

GuestWorld scores 77 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 GuestWorld tech stack

What programming languages does GuestWorld use?

The languages named in GuestWorld job postings are SQL (80%), C# (60%), Java (20%), JavaScript (20%), as a share of the 5 postings of the last 12 months.

Does GuestWorld use .NET?

Yes. .NET is named in 2 of 5 job postings (40%) and required in 2 of them.

What cloud and platforms does GuestWorld use?

The cloud and platforms named in GuestWorld job postings are .NET (2), Azure (2), AWS (1) (postings in brackets).

Is the GuestWorld tech stack changing?

Yes. .NET, CI/CD, Docker, SQL first appeared in GuestWorld job postings in the last six months.

How modern is the GuestWorld tech stack?

GuestWorld scores 77 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 GuestWorld tech stack?

Alion reads every job posting GuestWorld publishes and tags the technologies each one names. The figures on this page count the 5 postings of the last 12 months and were updated on Oct 3, 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, "GuestWorld tech stack: 31 technologies from 5 job postings", as of Oct 3, 2026. https://alion.io/company/guestworld/technologies

Licence: CC BY-SA 4.0JSON