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Sii Sweden Tech Stack

Financial crime detection and digital transformation services for enterprise

IT Services and IT Consulting Stockholm, Stockholm County 5,001–10,000 employees Founded 2018 Privately Held

Sii Sweden operates as a mid-to-senior engineering-led consulting firm with deep expertise in financial crime systems and infrastructure automation. The tech stack spans Spark, Hadoop, Snowflake, and BigQuery alongside legacy enterprise tools (.NET, SQL Server), reflecting a dual focus on building modern data pipelines for compliance use cases while maintaining systems across traditional corporate environments. Active projects in money laundering detection and transaction monitoring, paired with hiring in data and engineering, signal a deliberate pivot toward AI-powered financial crime prevention rather than generic IT staffing.

Tech Stack 29 technologies

Core StackApache Spark Scala Hadoop .NET C# SQL Server Python Databricks Snowflake BigQuery Terraform C++ Linux SQL Git ASP.NET MVC SOAP Windows Communication Foundation JSON Visual Basic .NET HTML5 CI/CD Qt QML YAML XML CSS Altium Xpedition

What Sii Sweden Is Building

◆Challenges

Detecting money laundering patterns
Complex sales cycles
Reliable provisioning and deployment
Ensuring system stability
Large-scale financial data environments
Replacing components on existing pcbs
Qualifying new components

▲Active Projects

Financial crime prevention and transaction monitoring platform
Yaml-driven deployment and configuration framework
Automation workflows for bare-metal provisioning
Stable and repeatable testing and deployment
Quantexa and spark-based money laundering detection platform
Transaction monitoring solution
Modular system for user interface screens
Component replacement on existing pcbs

Hiring Activity

Steady15 roles · 4 in 30d

Department

Engineering

8

Data

3

Sales

2

Seniority

Mid

8

Senior

3

Manager

2

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About Sii Sweden

Sii Sweden provides technology consulting, digital transformation, and engineering services to enterprise clients across banking, finance, insurance, telecommunications, and industrial sectors. The firm operates across Sweden and Poland with over 8,000 IT specialists and engineers, enabling rapid team mobilization for large-scale projects. Service areas span software development, testing and QA, infrastructure management, system integration, and system maintenance. Recent project focus shows growing emphasis on financial crime platforms—including money laundering detection and transaction monitoring solutions—alongside infrastructure automation and deployment frameworks.

HeadquartersStockholm, Stockholm County

Company Size5,001–10,000 employees

Founded2018

Hiring MarketsSweden

Frequently Asked Questions

What is Sii Sweden's tech stack?

Core tools include Apache Spark, Hadoop, Scala, SQL, .NET, and C# for development; Snowflake, BigQuery, and Databricks for data platforms; and Terraform for infrastructure-as-code. Legacy systems use SQL Server and ASP.NET MVC. No active technology adoptions or replacements are signaled.

What industries does Sii Sweden serve?

Primary sectors include banking and finance, insurance, telecommunications, high-tech, utilities, industrial, and FMCG. Financial crime prevention and transaction monitoring projects indicate deepening focus on compliance and financial services clients.