Cortoptyltd tech stack

Cortoptyltd builds mostly with TypeScript, C#, Python, JavaScript. Its stack also includes AWS, AWS Lambda, DynamoDB, PostgreSQL. AWS is named in 14 of the 21 job postings Cortoptyltd published in the last 12 months (67%). Counted by Alion from the job postings of Cortoptyltd, updated Sep 28, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 28, 2026
Technologies in use
87
Postings analysed
21
Open now
8
Modernity
82 /100

What programming languages does Cortoptyltd use?

TypeScript is named in 48% of job postings at Cortoptyltd, followed by C# (33%), Python (33%), JavaScript (33%).

TypeScript 10 48% required in 100% · 4 open now · since Jun 2026
C# 7 33% required in 86% · 3 open now · since Jun 2026
Python 7 33% required in 86% · 3 open now · since Jun 2026
JavaScript 7 33% required in 71% · 3 open now · since Jun 2026
Node JS 5 24% required in 80% · 3 open now · since Jun 2026
SQL 3 14% required in 100% · 1 open now · since Jun 2026
Go 1 5% required in 100% · 1 open now · since Sep 2026
Java 1 5% optional · 1 open now · since Sep 2026

What frameworks and libraries does Cortoptyltd use?

ASP.NET Core is named in 14% of job postings at Cortoptyltd, followed by React.js (14%), FastAI (10%), Next.js (10%).

ASP.NET Core 3 14% required in 100% · 1 open now · since Jun 2026
React.js 3 14% required in 100% · 1 open now · since Jun 2026
FastAI 2 10% required in 100% · 1 open now · since Jul 2026
Next.js 2 10% required in 100% · since Jun 2026
PyTorch 2 10% required in 50% · 1 open now · since Jul 2026
Cypress 1 5% required in 100% · since Aug 2026
Electron 1 5% required in 100% · since Aug 2026
Jotai 1 5% required in 100% · since Aug 2026
Show all (20)
Nest.JS1
Pact1
Playwright1
Radix UI1
React Query1
Redux1
Redux Toolkit1
Tailwind CSS1
Zustand1
pgvector1
shadcn/ui1
tRPC1

What databases does Cortoptyltd use?

DynamoDB is named in 29% of job postings at Cortoptyltd, followed by PostgreSQL (24%), MS SQL (19%), MySQL (5%).

DynamoDB 6 29% required in 100% · 4 open now · since Jun 2026
PostgreSQL 5 24% required in 100% · 3 open now · since Jun 2026
MS SQL 4 19% required in 100% · 2 open now · since Jun 2026
MySQL 1 5% required in 100% · 1 open now · since Aug 2026
Redis 1 5% required in 100% · 1 open now · since Sep 2026

What cloud and platforms does Cortoptyltd use?

AWS is named in 67% of job postings at Cortoptyltd, followed by AWS Lambda (29%), Amazon ECS (24%), Amazon S3 (24%).

AWS 14 67% required in 100% · 5 open now · since Jun 2026
AWS Lambda 6 29% required in 100% · 4 open now · since Jun 2026
Amazon ECS 5 24% required in 100% · 3 open now · since Jun 2026
Amazon S3 5 24% required in 100% · 3 open now · since Jun 2026
Datadog 3 14% required in 100% · 2 open now · since Jun 2026
.NET 2 10% required in 100% · since Jul 2026
AWS Bedrock 2 10% required in 100% · 2 open now · since Aug 2026
LangSmith 2 10% required in 100% · since Jun 2026
Show all (25)
Langfuse2
OpenAI2
Postman2
SIEM2
AWS Step Functions1
Amazon CloudWatch1
Amazon EC21
Amazon EKS1
Anthropic1
Azure1
Bitbucket1
GCP1
GitHub1
Grafana1
Kubernetes1
Microsoft Entra ID1
Vercel1

What developer tools does Cortoptyltd use?

Docker is named in 14% of job postings at Cortoptyltd, followed by Model Context Protocol (14%), Rest API (14%), Claude Code (10%).

Docker 3 14% required in 100% · 3 open now · since Aug 2026
Model Context Protocol 3 14% required in 100% · since Jun 2026
Rest API 3 14% required in 100% · 1 open now · since Jul 2026
Claude Code 2 10% required in 100% · 1 open now · since Jul 2026
Copilot 2 10% required in 100% · 1 open now · since Jul 2026
Git 1 5% required in 100% · since Aug 2026
GraphQL 1 5% required in 100% · since Aug 2026
Prometheus 1 5% required in 100% · 1 open now · since Sep 2026
Show all (11)
Swagger1
Terraform1
WebSockets1

What AI and ML technologies does Cortoptyltd use?

LLM is named in 24% of job postings at Cortoptyltd, followed by Claude (19%).

LLM 5 24% required in 100% · 3 open now · since Jun 2026
Claude 4 19% required in 100% · 1 open now · since Jun 2026

Which engineering practices does Cortoptyltd ask for?

CI/CD is named in 33% of job postings at Cortoptyltd, followed by IAM (14%), RAG (14%), AI Agents (10%).

CI/CD 7 33% required in 100% · 2 open now · since Jul 2026
IAM 3 14% required in 100% · 2 open now · since Jun 2026
RAG 3 14% required in 100% · 1 open now · since Jun 2026
AI Agents 2 10% required in 100% · since Jun 2026
Embeddings 2 10% required in 100% · 1 open now · since Jun 2026
Function Calling 2 10% required in 100% · 1 open now · since Jun 2026
LLM Guardrails 2 10% required in 100% · 1 open now · since Jun 2026
Prompt Engineering 2 10% required in 100% · 1 open now · since Jun 2026
Show all (16)
Clean Architecture1
LLM Evaluation1
Machine Learning1
Multimodal AI1
Prompt Caching1
Structured Outputs1
Tool Use1
Trunk-Based Development1

What does each Cortoptyltd team work with?

The technologies each team's postings require most often, with the number of postings that require them.

Backend

8 postings
AWS6
AWS Lambda4
Amazon S34
C#4
DynamoDB4
PostgreSQL4

QA

4 postings
TypeScript4
AWS3
Python3
JavaScript2
Postman2

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How modern is the Cortoptyltd stack?

Cutting-edge AI adopter 82/100

Cortoptyltd scores 82 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: 2; legacy ones: 0.

How common is the Cortoptyltd stack in its industry?

Share of the 437 companies in the same industries, whose stack Alion knows, that use each technology.

AWS41%
TypeScript28%
C#20%
JavaScript42%
Python49%
AWS Lambda8%
DynamoDB5%
Amazon ECS7%
Amazon S313%
LLM24%

Questions about the Cortoptyltd tech stack

What programming languages does Cortoptyltd use?

The languages named in Cortoptyltd job postings are TypeScript (48%), C# (33%), Python (33%), JavaScript (33%), Node JS (24%), as a share of the 21 postings of the last 12 months.

Does Cortoptyltd use ASP.NET Core?

Yes. ASP.NET Core is named in 3 of 21 job postings (14%) and required in 3 of them.

What cloud and platforms does Cortoptyltd use?

The cloud and platforms named in Cortoptyltd job postings are AWS (14), AWS Lambda (6), Amazon ECS (5) (postings in brackets).

What skills do you need for a Backend job at Cortoptyltd?

Backend postings at Cortoptyltd most often require AWS (6), AWS Lambda (4), Amazon S3 (4), C# (4), out of 8 postings in the last 12 months.

Is the Cortoptyltd tech stack changing?

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

How modern is the Cortoptyltd tech stack?

Cortoptyltd scores 82 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: 2; legacy ones: 0.

How does Alion know the Cortoptyltd tech stack?

Alion reads every job posting Cortoptyltd publishes and tags the technologies each one names. The figures on this page count the 21 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, "Cortoptyltd tech stack: 87 technologies from 21 job postings", as of Sep 28, 2026. https://alion.io/company/cortoptyltd/technologies

Licence: CC BY-SA 4.0JSON