M

Mellon Group Tech Stack

Banking payments, retail software, and BPO services across Central Europe

Information Technology & Services Piraeus, Athens 5,001–10,000 employees Privately Held

Mellon Group operates a diversified financial services and IT business spanning payments infrastructure (ISO8583, EMV), retail banking software, and business process outsourcing across 11 countries. The hiring mix—heavy in support (23 roles) and sales (19)—coupled with active projects in ATM software modernization, EMV integration, and process automation, signals a company scaling customer-facing operations while tackling legacy system debt. Pain points cluster around compliance (data regulations, SLAs) and operational friction (maintenance streamlining, profit margin optimization), typical of a mid-market provider managing both installed base and new product launches.

Tech Stack 54 technologies

Core StackJira ServiceNow Python C# JavaScript TypeScript Microsoft Office Excel Word PowerPoint ISO8583 DAX SQL R EFTPOS Entity Framework Azure Razor Blazor Teams Microsoft Project Cisco IOS XE Cisco Nexus Cisco ASA Cisco Firewall Threat Defense BGP OSPF SD-WAN VPN Google Workspace+23 more

What Mellon Group Is Building

◆Challenges

Upgrading services for existing customers
Streamlining maintenance processes
Modernizing legacy atm software
Compliance with personal data processing regulations
Existing customer product promotion
Ensuring compliance with slas
Optimizing gross profit margins
Identifying operational bottlenecks
Process alignment across teams
Incident escalation management

▲Active Projects

Atm software rollout
E-mobility products and services in ppc blue
Emv and iso8583 integration
Product testing and validation before launch
Rollout of new products and services
Process optimization and automation initiatives
New innovative products and services
Product analyses and competitive assessments
Software upgrades and patches
Post-launch performance monitoring

Hiring Activity

Accelerating100 roles · 50 in 30d

Department

Support

23

Sales

19

Engineering

13

Ops

13

Finance

9

Product

6

Legal

4

HR

3

Seniority

Junior

51

Mid

34

Senior

12

Manager

2

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About Mellon Group

Mellon Group is a multinational IT and financial services provider headquartered in Piraeus, Athens, with over 9,000 employees across 11 Central and Southeast European countries. The company operates three main service pillars: payments technologies and processing (using ISO8583 and EMV standards), retail and core banking software solutions, and business process outsourcing including contact center operations. Customer base spans major banking institutions, retail chains, large enterprises, merchants, and public sector organizations. The tech stack combines Microsoft enterprise tools (Office, Project, Teams), C# and .NET backend frameworks (Entity Framework, Razor, Blazor), networking infrastructure (Cisco), and SQL/Python for data operations.

HeadquartersPiraeus, Athens

Company Size5,001–10,000 employees

Hiring MarketsGreece, Slovenia, Albania, Serbia, Cyprus, Bulgaria, Kosovo

Frequently Asked Questions

What tech stack does Mellon Group use?

Microsoft Office suite and Azure cloud, C# with .NET frameworks (Entity Framework, Blazor), payment standards (ISO8583, EMV), Jira and ServiceNow for operations, Cisco networking (IOS XE, Nexus, ASA, SD-WAN), SQL and Python for analytics.

What is Mellon Group working on?

ATM software modernization and rollout, EMV/ISO8583 integration for payments, e-mobility products, new product launches with testing and validation, process automation initiatives, and post-launch performance monitoring across customer base.