A1 Hrvatska d.o.o. Tech Stack

Telecom operator serving 2M+ customers across Croatia with legacy-to-cloud data modernization underway

Telecommunications Zagreb, Grad Zagreb 1,001–5,000 employees Founded 1999 Privately Held

A1 Hrvatska operates a 2,000-person telecom business serving 2 million customers in Croatia as part of the A1 Telekom Austria Group. The tech stack reveals heavy reliance on on-premise data infrastructure (Teradata, Oracle, SQL Server) paired with business intelligence tools (Power BI, QlikView, SAP BusinessObjects), while active projects signal a shift toward cloud-native architecture and streaming services—Netflix activation is live, and data warehouse modernization is a priority. Hiring is accelerating across mid-level sales, data, and engineering roles, with GDPR compliance and cloud infrastructure skills flagged as internal gaps.

Tech Stack 24 technologies

Core StackSalesforce Oracle PL/SQL Power BI VMware Hyper-V Linux Microsoft Office Excel PowerPoint Outlook Informatica PowerCenter SQL Server Integration Services SAP Data Services SQL Server Reporting Services SAP BusinessObjects QlikView Teradata KVM Veeam Dell HPE Windows

AdoptingNetflix

What A1 Hrvatska d.o.o. Is Building

◆Challenges

Reducing churn
Improving revenue per user
User migration
Acquiring new business customers
Retaining key customers
Modernizing data warehouse
Implementing gdpr compliance
Raising data privacy awareness
Lack of cloud infrastructure specialists

▲Active Projects

Moj a1 app development
Direct marketing campaign execution
Customer journey segmentation
Cross-selling and upselling campaigns
Modernizing corporate data warehouse
Developing ad-hoc report queries
Conducting dpia assessments
Netflix activation feature
Cloud infrastructure solution development
Cloud service sales and revenue generation

Hiring Activity

Accelerating7 roles · 4 in 30d

Department

Sales

Data

Engineering

Marketing

Product

Security

Seniority

Mid

Senior

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About A1 Hrvatska d.o.o.

A1 Hrvatska is a telecommunications and digital services provider delivering mobile, fixed-line, payment, and entertainment solutions to 2 million customers in Croatia. The company is part of A1 Telekom Austria Group, which operates across seven Central and Eastern European countries and serves over 24 million users. Core operations span customer acquisition, retention, and revenue optimization through cross-selling and upselling campaigns. The organization is transitioning its data infrastructure from legacy on-premise systems (Teradata, Oracle) toward cloud-based solutions, while simultaneously managing regulatory compliance (GDPR) and rolling out new digital services such as the Moj A1 mobile app and Netflix streaming integration.

HeadquartersZagreb, Grad Zagreb

Company Size1,001–5,000 employees

Founded1999

Hiring MarketsCroatia

Frequently Asked Questions

What is A1 Hrvatska's customer base?

A1 Hrvatska serves 2 million customers in Croatia and is part of A1 Telekom Austria Group, which operates in seven Central and Eastern European countries with 24 million+ total users across communications, payment, entertainment, and business solutions.

What tech stack does A1 Hrvatska use?

Primary stack includes Teradata, Oracle, SQL Server, SAP BusinessObjects, Power BI, QlikView, Informatica PowerCenter, Salesforce, and VMware/Hyper-V virtualization. The company is currently adopting cloud infrastructure solutions and Netflix streaming activation.