Sigma Software Group Tech Stack

European IT consultancy building platforms for advertising, fintech, and healthcare

Software Development Stockholm 1,001–5,000 employees Founded 2002 Privately Held

Sigma Software Group is a 2,100-person consultancy spanning 40 offices across 19 countries, operating as a portfolio of 25 products and 40+ services. The tech stack—C#/.NET Core, Node.js/React, Java, Go, plus heavy data infrastructure (Snowflake, Redshift, Databricks, Kafka, Spark)—reflects a mix of legacy enterprise clients and greenfield product builds. Current projects span white-label ad platforms, embedded finance, healthcare data infrastructure, and AI architecture, while hiring velocity is accelerating with 46 engineering roles open across distributed Eastern European and North American markets.

Tech Stack 166 technologies

Core StackC# Docker Kubernetes Node.js React TypeScript AWS GraphQL Java Go Google Analytics Python PySpark Snowflake Redshift Databricks Kafka React Native GitHub Terraform NET Core Entity Framework Core Microsoft 365 OpenAPI Swagger Scrum Kanban Azure SQL Apache Spark Structured Streaming+134 more

AdoptingBraze

What Sigma Software Group Is Building

◆Challenges

Improving integration system scalability
High-load systems
Development process deficiencies
Neutralizing systemic anomalies
Monetizing inventory efficiently
Direct advertiser-publisher transactions
Performance bottlenecks in real-time systems
Audience targeting
Optimizing marketing campaigns
Complex third-party connections

▲Active Projects

White-label self-serve advertising platform
Designing pricing experiments
Smart sleep-tracking device
Comprehensive visibility and autonomous governance over dynamic execution patterns
Embedded finance platform enhancement
Ai architecture from ground up
Large-scale cloud-based data infrastructure for healthcare applications
Enhancing large-scale data processing systems
User training and support
Implementing and optimizing a sophisticated pricing platform for large-scale retail operations

Hiring Activity

Accelerating75 roles · 40 in 30d

Department

Engineering

Data

Product

Security

Support

Seniority

Senior

Mid

Junior

Staff

Lead

Principal

Manager

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About Sigma Software Group

Sigma Software Group delivers IT consulting, custom software development, and product-as-a-service solutions to enterprises and startups. The company operates as a decentralized group of tech companies, each addressing distinct verticals: advertising platforms, fintech infrastructure, healthcare data systems, and consumer hardware (smart devices). With 300+ enterprise clients including Fortune 500 companies, Sigma combines traditional consulting services with a portfolio of proprietary products. The firm also operates innovation arms including a business incubator (Sigma Software Labs), a VC fund (SID Venture Partners), and a corporate university, positioning itself as both a vendor and ecosystem builder.

HeadquartersStockholm

Company Size1,001–5,000 employees

Founded2002

Hiring MarketsBrazil, Slovakia, Poland, Romania, Ukraine, Armenia, Bulgaria, Canada

Frequently Asked Questions

What tech stack does Sigma Software Group use?

Primary: C#, .NET Core, Node.js, React, TypeScript, Java, Go. Data: Snowflake, Redshift, Databricks, Kafka, Apache Spark. Infrastructure: Docker, Kubernetes, AWS, Azure, Terraform. Adopting Braze for marketing automation.

Where is Sigma Software Group headquartered?

Stockholm, Sweden. The company operates 40 offices across 19 countries, with active hiring in Brazil, Slovakia, Poland, Romania, Ukraine, Armenia, Bulgaria, Canada, Belgium, and Sweden.