Company Profile

Fiserv

Fiserv is a large fintech infrastructure provider serving banks and merchants with core processing, payments, and commerce platforms.

🇺🇸 Brookfield, WI, United StatesMarket Cap: $90B

What They Build

Financial Institution and Merchant Processing Platforms

Customer Type

Banks, credit unions, and merchants

Business Model

Platform/service contracts and transaction-linked revenues

Key Products & Initiatives

  • Banking-core and merchant-acquiring exposure creates diversified fintech revenue.
  • Scale and integration complexity are major operational realities.
  • Reliability and migration execution are central in customer retention.

Key Products & Brands

Clover

Merchant Platform

SMB-focused POS and commerce ecosystem.

CloverPOSmerchant

Banking Core Platforms

Financial Infra

Core and digital banking systems for financial institutions.

core bankingprocessingdigital banking

Card and Payments Processing

Payments Infrastructure

High-scale card and transaction processing operations.

card processingpayments railscale

Role Families

Clover & Merchant Solutions

Android EngineerFull Stack EngineerProduct Designer

Expected Skills

AndroidKotlinJavaSpringReactEmbedded Systems

What They Work On

  • Building the Clover POS operating system and app marketplace.
  • Developing merchant-facing tools for inventory, scheduling, and payroll.
  • Creating hardware-software integrations for payment terminals.

Portfolio Ideas

  • Building a POS register interface clone.
  • Creating an inventory management mobile app.
  • Designing a restaurant table booking system.

Financial Institution Services

Systems EngineerMainframe/Cobol EngineerSolution Architect

Expected Skills

JavaCOBOLAPI DesignSecurity Engineering

What They Work On

  • Maintaining and modernizing core banking ledgers for thousands of banks.
  • Building APIs to expose legacy banking data to modern fintech applications.
  • Ensuring 99.999% reliability for account processing and settlement.

Portfolio Ideas

  • Building a core banking ledger simulation.
  • Creating an ISO 8583 message parser.
  • Designing a bank account transaction API.

Entry Pathways

internships

Internships available in engineering, product, and operations areas.

entry Level Roles

Entry roles across engineering, client operations, and analytics.

graduate Programs

Early-career programs vary by business function.

Culture Signals

  • Reliability and execution in enterprise processing are core.

  • Large-scale integration and migration discipline is expected.

  • Cross-team coordination with regulated clients is routine.

Guidance by Audience

Good fit for candidates interested in enterprise fintech plumbing.
Projects should show resilience and operational quality metrics.

Sources

High

Updated: February 8, 2026