Overview
News
Technologies
Salaries
Products
People
Growth
Jobs
Financials

Overview

Sii is a Polish company in the information technology and engineering services sector. It provides software development, testing, business process outsourcing, and engineering solutions for clients in industries such as finance, telecommunications, automotive, and manufacturing.

Technologies

Sign in to see how your skills match this stack
Sign In
Tech DNA
Python
SQL
Java
Selenium
Angular
Playwright
PostgreSQL
Google BigQuery
Snowflake
Azure
AWS
GCP
LLM
Claude
LoRA
AI/ML
Python
SQL
C++
Scala
LookML
CI/CD
Azure
AWS
Kubernetes
Git
Azure DevOps
GitHub
GCP
Jenkins
Terraform
Docker
PostgreSQL
Databricks
Spark
Google BigQuery
AI Agents
LLM
pySpark
Microsoft Fabric
Grafana
GitLab
Copilot
GitHub Actions
Snowflake
Claude
Computer Vision
Cursor
IAM
Oracle
NumPy
Scikit-learn
dbt
Fine-tuning
Prompt Engineering
RAG
LangChain
ArgoCD
Dynatrace
Prometheus
Splunk
Redis
Airflow
Semantic Kernel
Vertex AI
XGBoost
LangGraph
Ansible
Platform Engineering
Configuration Management
Bamboo
Bitbucket
GitLab CI
Red Hat
VMWare
MS SQL
Azure SQL Database
Statsmodels
NLP
LlamaIndex
MLFlow
LoRA
QLoRA
Time Series Forecasting
PEFT
LLM Guardrails
Recommender Systems
OpenAI
Amazon SageMaker
Vector
Akamai
GitOps
Helm
Cortex
Service Mesh
Azure AKS
OpenShift
CentOS Stream
Kibana
Zabbix
Amazon CloudWatch
ActiveMQ
Embeddings
Prefect
PyTorch
Albumentations
Anomaly Detection
CLIP
CNN
Grounding DINO
ONNX
OpenCV
Quantization
TensorRT
Torchvision
YOLO
Jupyter Notebook
Reranking
Hybrid Search
In-Context Learning
RLHF
Pandas
OCR
Human-in-the-Loop
DPO
Knowledge Graph
LLMOps
Agentforce
PyTorch C++
CMake
FinOps
Incident Management
RTOS
Amazon EKS
Datadog
Google GKE
Bicep
Google Cloud Run
Pipeline as Code
Crossplane
Loki
Podman
Self-Healing
CloudFormation
SLI/SLO/SLA
Hyper-V
Windows Server
Amazon S3
HPC
Amazon ECS
ClickHouse
OpenSearch
pgvector
Pinecone
Weaviate
ElasticSearch
TensorFlow
Security
PowerShell
Bash
Go
Rust
Assembly
SonarQube
Microsoft Entra ID
ISO 27001
Microsoft Sentinel
OWASP Top 10
PCI DSS
GDPR
SBOM
Syft
Burp Suite
OWASP ASVS
OWASP ZAP
Defense in Depth
Zero Trust
Microsoft Defender
Google SecOps
IBM QRadar
Invicti
Qualys Cloud Platform
Backend
PHP
Rest API
.NET
Spring Boot
Apache Kafka
Hibernate
Symfony
GraphQL
Drupal
Celery
Django
FastAPI
Flask
Laravel
Mobile
Java
JavaScript
TypeScript
C#
Kotlin
Node JS
Swift
Gradle
JUnit
Spring Framework
Maven
Mockito
React Native
Blazor
Koin
Kotlin Coroutines
RxJava
Apache Tomcat
Entity Framework Core
Testcontainers
Carthage
Nest.JS
Clean Architecture
Compose Multiplatform
Dependency Injection
Jetpack Compose
Kotlin Multiplatform
Firebase
MVVM
CocoaPods
SPM
SwiftUI
UIKit
Enterprise Apps
COBOL
Apex
ABAP
IBM MQ
MuleSoft
QA
Swagger
Selenium
Postman
Playwright
TestRail
JMeter
Rest-Assured
Robot Framework
Pytest
Gatling
SoapUI
Frontend
Angular
React.js
Next.js
Vue.js
Redux
JQuery
npm
React Query
Robotics
OPC UA
Localization
Sensor Fusion
SLAM
MQTT
Other
SystemC
Jira
ETL/ELT
Power BI
Confluence
A/B Testing
ServiceNow
Salesforce
PoC Library
Miro
Power Apps
Power Automate
GA4
Tableau
Stack modernity Cutting-edge AI adopter
80/100
How modern this stack is, based on technology relevance, AI adoption and the share of legacy tools.
In-demand technologies
CI/CD 69 jobs Required
$85k -47% vs market
Python 51 job Required
$87k -52% vs market
SQL 49 jobs Required
$95k -33% vs market
Azure 43 jobs Required
$96k -43% vs market
Java 35 jobs Required
$82k -49% vs market
AWS 28 jobs Required
$87k -53% vs market
Kubernetes 24 jobs Required
$87k -51% vs market
Git 24 jobs Required
$77k -36% vs market
Salary medians are calculated from this company's open jobs and compared with the market.
Industry adoption
Python
29%
JavaScript
27%
CI/CD
27%
SQL
26%
TypeScript
22%
AWS
22%
Share of companies in the same industry that use each technology.
Stack changes
Amazon ECS Aug 2026
ServiceNow Aug 2026
Microsoft Fabric Aug 2026
Amazon SageMaker Aug 2026
A/B Testing Aug 2026
Agentforce Aug 2026
HPC Aug 2026
Amazon S3 Aug 2026
Technologies recently added to or removed from this company's stack - a signal of tech migrations and new initiatives.

Salary insights

Compensation ranges based on this company's open jobs
Median
$87k
Typical range
$26k – $267k
Open positions
52
46 Jobs
Junior 8.7%
Middle 19.6%
Senior 56.5%
Staff 8.7%
Architect 6.5%
Level Jobs Median Typical range
Junior 4 $66k $26k – $267k
Middle 9 $80k $71k – $267k
Senior 26 $94k $77k – $267k
Staff 4 $185k $83k – $267k
Architect 3 $103k $90k – $267k
Highest paying role Data Scientist with ML (f/m/x) $267k
Normalized to USD per year

Growth

Hiring Momentum
63/100
Growing
Open positions
140
0 opened / 0 closed in 30 days
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
21%
QA
16%
Data Science
15%
DevOps
15%
AI/ML
6%
Security
6%
Actively hiring for Data Science (+9 in 30 days)
Activity Timeline
Added SoapUI to stack Aug 2026
Added Windows Server to stack Aug 2026
Added Hyper-V to stack Aug 2026
Added Symfony to stack Aug 2026
Added Nest.JS to stack Aug 2026
Added Laravel to stack Aug 2026
Added SLI/SLO/SLA to stack Aug 2026
Added Qualys Cloud Platform to stack Aug 2026
Added Invicti to stack Aug 2026
Added VMWare to stack Aug 2026
Added CloudFormation to stack Aug 2026
Added Self-Healing to stack Aug 2026

Jobs

$39k – $85k per year (Estimated) • In office • Full-Time • Warsaw
SQL
Confluence
Jira
Apply
$40k – $84k per year (Estimated) • In office • 5+ years exp • Warsaw
SQL
Microsoft Fabric
DevOps
Azure
Analytics
ETL/ELT
Apply
$40k – $82k per year (Estimated) • Remote/Hybrid • 5+ years exp • Warsaw
Python
SQL
Microsoft Fabric
DevOps
Azure
Azure DevOps
GitHub
Analytics
Power BI
ETL/ELT
Apply
$61k – $81k per year • In office • Full-Time • Kraków
C++
Python
Robot Framework
Apply
$49k – $85k per year (Estimated) • Remote/Hybrid • Full-Time • 3+ years exp • Warsaw
PHP
SQL
Symfony
DevOps
CI/CD
Rest API
Apply
$65k – $100k per year (Estimated) • Remote • Full-Time • 5+ years exp • Gdańsk
C#
SQL
.NET
DevOps
Azure
Azure DevOps
CI/CD
Git
IoT
OPC UA
Apply
$72k – $110k per year (Estimated) • Remote • Full-Time • 5+ years exp • Warsaw
Go
PowerShell
Ansible
AWS
Azure
CI/CD
Configuration Management
Kubernetes
Platform Engineering
Terraform
VMWare
Apply
$68k – $122k per year (Estimated) • Remote • Full-Time • Łódź
ISO 27001
Apply
$71k – $151k per year (Estimated) • Remote • Full-Time • 3+ years exp
JavaScript
Rest API
Management
ServiceNow
Apply
$38k – $70k per year (Estimated) • In office • Full-Time • 3+ years exp • Warsaw
SQL
Jira
QA
Postman
Swagger
Apply
$87k – $94k per year • Remote/Hybrid • Full-Time • 4+ years exp • Warsaw
Java
Scala
SQL
Spark
DevOps
CI/CD
Analytics
ETL/ELT
Apply
$67k – $81k per year • Remote • 4+ years exp • Warsaw
Python
SQL
Google BigQuery
AI/ML
dbt
DevOps
GCP
Apply
Show more jobs