Industry — FinTech

Engineering for financial systems that can't fail

We build the payment infrastructure, cloud platforms, and intelligent workflows behind wallets, ledgers, and money movement across Africa — engineered for correctness under load.

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Financial software has a different bar: every transaction matters, every millisecond counts, and downtime is measured in money. Rareatom has spent years at that bar — payment APIs serving 100M+ requests a month, QA and load testing on ISO 8583 POS and ATM channels, and reactive backends for complex ledgers. That's the engineering we bring to fintech.

Flagship — Atompay

Coming soon

The payment engine at the core of our fintech work.

Atompay is Rareatom's high-performance payment engine — built for speed, reliability, and scale. Engineered to process thousands of transactions per second, handle multi-currency flows, and power merchant ecosystems with frictionless money movement.

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What we build

Digital Payment Infrastructure

Secure, scalable payment systems for seamless transactions across web, mobile, and APIs.

Proven: payment & USSD APIs at 100M+ requests / month

Cloud-Native Financial Platforms

Resilient, cloud-based financial systems built for high availability, data security, and operational efficiency.

Proven: on-prem to cloud migration for Old Mutual

Agentic AI Workflow Automation

Intelligent AI-driven workflows for financial processes — fraud detection, compliance monitoring, and customer onboarding.

Proven: AI solutions delivered for DMI

Digital Wallet & Identity Solutions

Secure digital wallets and identity verification systems that build user experience and trust.

Proven: digital wallets & connected payments

API-Driven Banking Solutions

Robust APIs for seamless integration with banking systems, fintech apps, and third-party services.

Proven: payment API systems for enterprise clients

Embedded Finance Solutions

Financial services — payments, lending, wallets — integrated into non-financial platforms, so businesses can offer financial capabilities directly to their customers.

Data Analytics & Risk Intelligence

Advanced analytics for real-time insights, credit scoring, and risk management to support informed decision-making.

Cybersecurity & Compliance Frameworks

Secure architectures and compliance-driven systems aligned with global and local financial regulations.

Selected Work

  • 01Payment API systems: development & ongoing maintenance for enterprise clients.
  • 02QA and load testing of ISO 8583 POS and ATM channels.
  • 03SMS & USSD APIs for MTN Nigeria, South Africa and 10 other operating companies.
  • 04On-prem to cloud migration for Old Mutual.
  • 05AI solutions delivered for DMI.

How we deliver

Building something financial?

Tell us what you’re moving — money, risk, or data — and we’ll respond within one business day.

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