IIG tech stack
IIG builds mostly with Java, SQL, COBOL, Python. Its stack also includes Azure, Kubernetes, PostgreSQL, LangChain. Java is named in 4 of the 10 job postings IIG published in the last 12 months (40%). Counted by Alion from the job postings of IIG, updated Oct 30, 2026.
What programming languages does IIG use?
Java is named in 40% of job postings at IIG, followed by SQL (40%), COBOL (20%), Python (20%).
Java
4 40%
SQL
4 40%
COBOL
2 20%
Python
2 20%
TypeScript
2 20%
JavaScript
2 20%
C#
1 10%
Fortran
1 10%
Show all (9)
What frameworks and libraries does IIG use?
LangChain is named in 20% of job postings at IIG, followed by LangGraph (20%), Angular (10%), Cypress (10%).
LangChain
2 20%
LangGraph
2 20%
Angular
1 10%
Cypress
1 10%
Playwright
1 10%
Spring Boot
1 10%
FAISS
1 10%
FastAPI
1 10%
Show all (9)
What databases does IIG use?
PostgreSQL is named in 20% of job postings at IIG, followed by Apache Iceberg (10%), Azure Cosmos DB (10%), Azure SQL Database (10%).
PostgreSQL
2 20%
Apache Iceberg
1 10%
Azure Cosmos DB
1 10%
Azure SQL Database
1 10%
Cassandra
1 10%
HBase
1 10%
MS SQL
1 10%
What cloud and platforms does IIG use?
Azure is named in 40% of job postings at IIG, followed by Kubernetes (30%), .NET (10%), API Gateway (10%).
Azure
4 40%
Kubernetes
3 30%
.NET
1 10%
AWS
1 10%
Apache Kafka
1 10%
Azure DevOps
1 10%
Grafana
1 10%
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What developer tools does IIG use?
Docker is named in 40% of job postings at IIG, followed by Ansible (10%), Claude Code (10%), Copilot (10%).
Docker
4 40%
Ansible
1 10%
Claude Code
1 10%
Copilot
1 10%
Cursor
1 10%
Jenkins
1 10%
Show all (14)
What AI and ML technologies does IIG use?
LLM is named in 20% of job postings at IIG, followed by Claude (10%), Gemini (10%).
Which engineering practices does IIG ask for?
CI/CD is named in 30% of job postings at IIG, followed by SOAP (30%), RAG (20%), IAM (10%).
What does each IIG team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
3 postingsHow does your stack fit IIG?
How is the IIG 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 IIG stack?
IIG scores 90 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: 3; legacy ones: 0.
How common is the IIG stack in its industry?
Share of the 1,417 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like IIG
Questions about the IIG tech stack
What programming languages does IIG use?
The languages named in IIG job postings are Java (40%), SQL (40%), COBOL (20%), Python (20%), TypeScript (20%), as a share of the 10 postings of the last 12 months.
Does IIG use Azure?
Yes. Azure is named in 4 of 10 job postings (40%) and required in 2 of them.
What cloud and platforms does IIG use?
The cloud and platforms named in IIG job postings are Azure (4), Kubernetes (3), .NET (1) (postings in brackets).
What skills do you need for a Backend job at IIG?
Backend postings at IIG most often require Docker (2), Java (2), SQL (2), out of 3 postings in the last 12 months.
Is the IIG tech stack changing?
Yes. LLM, RAG, LangChain, LangGraph first appeared in IIG job postings in the last six months.
How modern is the IIG tech stack?
IIG scores 90 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: 3; legacy ones: 0.
How does Alion know the IIG tech stack?
Alion reads every job posting IIG publishes and tags the technologies each one names. The figures on this page count the 10 postings of the last 12 months and were updated on Oct 30, 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, "IIG tech stack: 63 technologies from 10 job postings", as of Oct 30, 2026. https://alion.io/company/iig-sp-z-o-o/technologies