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Technologies
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Overview

B3Group is a Polish company active in the information technology and business services sector. It delivers IT consulting, software implementation, and support services for corporate clients seeking technology solutions for their operations.

Technologies

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Tech DNA
SQL
Java
Python
Spring Boot
OpenTelemetry
PyTorch
PostgreSQL
Google BigQuery
ElasticSearch
GCP
AWS
Azure
Claude
LLM
ChatGPT
Backend
SQL
Java
Python
C#
Kotlin
ABAP
Scala
Elixir
Node JS
Go
PHP
Apache Kafka
GCP
PostgreSQL
CI/CD
Kubernetes
Google BigQuery
Rest API
Git
Docker
Spring Boot
AWS
Azure
ElasticSearch
Dynatrace
GitLab CI
Grafana
OpenTelemetry
Prometheus
Kotlin Coroutines
RabbitMQ
SLI/SLO/SLA
ArgoCD
Terraform
GitHub Actions
Jenkins
.NET
ASP.NET Core
Apache Iceberg
Google Cloud Run
Vector
Amazon EC2
Amazon EKS
Ansible
Helm
Splunk
GraalVM
Quarkus
Django
Entity Framework Core
Spring Cloud
Spring MVC
Spring Security
Testcontainers
MS SQL
Databricks
Azure DevOps
WebSockets
Windows Server
Azure AKS
CloudFormation
GitOps
Google GKE
Incident Management
Blue-Green Deployment
PagerDuty
Bitbucket
Hibernate
JOOQ
Spring Framework
Gradle
Maven
Nest.JS
Azure Cosmos DB
Db2
ClickHouse
MySQL
AI/ML
Claude
Claude Code
PyTorch
TensorFlow
Vertex AI
AI Agents
NLP
dbt
NumPy
Pandas
Model Context Protocol
Copilot
Cursor
LLM
Airflow
Spark
Scikit-learn
ChatGPT
Computer Vision
Embeddings
Prompt Engineering
RAG
Reranking
Mobile
TypeScript
JavaScript
Swift
JUnit
Clean Architecture
MVVM
Swift Concurrency
Android SDK
Firebase
Jetpack Compose
Fastlane
SwiftUI
XCTest
Android NDK
Kotlin Multiplatform
Modularization
Reactive Programming
MVI
Security
PowerShell
YARA
tfsec
PCI DSS
Any.run
MISP
Sysmon
Velociraptor
VirusTotal
Wireshark
YARA
ISO 27001
Keycloak
Microsoft Entra ID
QA
Postman
Selenium
TestNG
Insomnia
Playwright
Rest-Assured
Frontend
GraphQL
Angular
React.js
shadcn/ui
Tailwind CSS
Radix UI
Next.js
Redux
Storybook
Other
Confluence
Jira
QlikSense
PoC Library
Power BI
Figma
Linear
Notion
Slack
Stack modernity Cutting-edge AI adopter
85/100
How modern this stack is, based on technology relevance, AI adoption and the share of legacy tools.
In-demand technologies
SQL 14 jobs Required
Java 10 jobs Required
Apache Kafka 10 jobs Required
GCP 9 jobs Required
PostgreSQL 9 jobs Required
Python 8 jobs Required
CI/CD 8 jobs Required
Kubernetes 8 jobs Required
Salary medians are calculated from this company's open jobs and compared with the market.
Industry adoption
Python
27%
SQL
22%
CI/CD
21%
AWS
21%
JavaScript
20%
Kubernetes
20%
Share of companies in the same industry that use each technology.
Stack changes
Scala Aug 2026
ASP.NET Core Aug 2026
Scikit-learn Aug 2026
Keycloak Aug 2026
ABAP Aug 2026
PoC Library Aug 2026
ISO 27001 Aug 2026
YARA Aug 2026
Technologies recently added to or removed from this company's stack - a signal of tech migrations and new initiatives.

Growth

Hiring Momentum
64/100
Growing
Open positions
34
0 opened / 0 closed in 30 days
Median time-to-fill
131 days
faster than 24% of the market
ATS activity
Every ~20 hours
08/24/2026
Hiring Dynamics +100%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Backend
42%
AI/ML
12%
Data Science
12%
Mobile
12%
QA
8%
DevOps
4%
Actively hiring for Backend (+7 in 30 days)
Activity Timeline
New location: Łódź Aug 2026
New location: Kraków Aug 2026
Added Scala to stack Aug 2026
Added ASP.NET Core to stack Aug 2026
Added Scikit-learn to stack Aug 2026
Added Keycloak to stack Aug 2026
Added ABAP to stack Aug 2026
Added PoC Library to stack Aug 2026
Added ISO 27001 to stack Aug 2026
Added YARA to stack Aug 2026
Added YARA to stack Aug 2026
Added Wireshark to stack Aug 2026

Jobs

In office • Full-Time • 5+ years exp • Kraków
Java
Kotlin
Kotlin Coroutines
Mobile
Android SDK
Clean Architecture
Firebase
Jetpack Compose
MVVM
DevOps
CI/CD
Git
GitHub Actions
GitLab CI
Rest API
Management
Confluence
Apply
In office • Full-Time • Wrocław
Java
Apache Iceberg
Apache Kafka
Frontend
GraphQL
DevOps
Grafana
OpenTelemetry
Prometheus
Management
Confluence
Jira
Apply
In office • Full-Time • Wrocław
Java
GraalVM
Quarkus
Spring Boot
Databases
Apache Iceberg
Apache Kafka
Frontend
GraphQL
DevOps
Dynatrace
Grafana
OpenTelemetry
Prometheus
Management
Confluence
Jira
Apply
In office • Full-Time • Kraków
C#
SQL
.NET
Databases
Apache Kafka
PostgreSQL
RabbitMQ
AI/ML
AI Agents
Claude
Claude Code
Model Context Protocol
DevOps
Azure
CI/CD
Docker
Kubernetes
Vector
Apply
In office • Full-Time • Kraków
Python
Django
Databases
PostgreSQL
AI/ML
Claude
Claude Code
Copilot
Cursor
DevOps
Rest API
Apply
In office • Full-Time • 5+ years exp • Kraków
C#
SQL
.NET
Entity Framework Core
Databases
PostgreSQL
AI/ML
AI Agents
Claude
Claude Code
LLM
Apply

Kafka Engineer

13 days ago
In office • Full-Time • Wrocław
Apache Kafka
DevOps
Amazon EC2
Amazon EKS
Ansible
AWS
CI/CD
GitHub Actions
GitLab CI
Grafana
Jenkins
OpenTelemetry
Prometheus
SLI/SLO/SLA
Terraform
Kubernetes
Cybersecurity
tfsec
Management
Confluence
Jira
Apply

Senior iOS Developer

13 days ago
In office • Full-Time • Warsaw
Swift
Swift Concurrency
Mobile
Clean Architecture
Fastlane
MVVM
SwiftUI
XCTest
DevOps
CI/CD
Apply
In office • Full-Time
Java
Spring Boot
Spring Cloud
Spring MVC
Spring Security
Testcontainers
Databases
Apache Kafka
PostgreSQL
AI/ML
Claude
Claude Code
Mobile
JUnit
DevOps
Docker
GitLab CI
Helm
Kubernetes
Apply

Analityk SOC L2

23 days ago
In office • Full-Time • Warsaw
PowerShell
Python
YARA
Splunk
Cybersecurity
Any.run
MISP
Sysmon
Velociraptor
VirusTotal
Wireshark
YARA
Apply

Praktykant SOC L1

23 days ago
In office • Internship • Warsaw
Apply
In office • Full-Time • 3+ years exp • Wrocław
Java
TypeScript
JavaScript
Apache Kafka
Frontend
Angular
GraphQL
DevOps
Kubernetes
Apply
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