< Back to Case Studies

Inspired Build

+47% Product Configuration Speed

Built a capability demonstration inspired by platforms like Mambu for modular, API-driven core banking workflows.

Prototype system designed to replicate composable banking architecture for faster rollout of lending and account services.

This is a capability demonstration inspired by platforms like Mambu

Project: Composable Core Banking System Inspired by Mambu

FintechCore BankingAPI PlatformCapability Demo

Executive Summary

A quick leadership snapshot of platform scope, delivery approach, and measurable outcomes.

Industry

Fintech

Platform

Web, API, Cloud

Tech Stack

Node.js, TypeScript, PostgreSQL

Result

+47% Product Configuration Speed

Timeline

12 weeks

Service Category

SaaS Development

Type

Capability Demo / Inspired Build

Reference Platform

This is a capability demonstration inspired by platforms like Mambu.

Mambu

Problem

Client Background

Inspired build modeled after modern cloud-native core banking platforms.

Critical Risk Area

Legacy architecture prevented rapid feature rollout and increased dependency on costly custom integration work.

  • Rigid monolithic banking stacks slowed product launches
  • High integration overhead for new financial products
  • Difficult customization across regional product variants

Solution

Delivery Outcome

Built a modular banking backend with configurable product rules, event-driven ledger updates, and API-first service boundaries.

Why this approach

Composable architecture enables faster fintech innovation while preserving operational control and auditability.

Product configuration engine

Transaction ledger service

API orchestration gateway

Compliance audit trail

Process

How we made key decisions, handled technical complexity, and applied engineering expertise to deliver measurable outcomes.

1

Product & Architecture Decisions

  • Implemented domain-driven service boundaries for accounts, lending, and transactions
  • Added event sourcing for auditable state transitions
2

Technology Selection Reasoning

  • Node.js microservices for scalable API orchestration
  • PostgreSQL for transactional consistency and reporting
3

Complexity Managed

  • Handled idempotent transaction workflows across distributed services
  • Maintained reliable auditability under concurrent updates
4

System Design Approach

Delivered account and ledger core first, then added product configurability and integration adapters.

Engineering Highlights

Key technical decisions that enabled production-grade reliability, maintainability, and system scale.

Backend Architecture Design

Implemented domain-driven service boundaries for accounts, lending, and transactions

API Integrations

Transaction ledger service

Performance Optimization

Optimized critical execution paths to improve response times and reduce operational overhead.

Scalability Considerations

New Product Setup: 7.4 days

Data Processing Workflows

Built reliable data processing workflows with validation and observability across execution stages.

Tech Stack

A modern technology stack selected to maximize performance, scalability, and delivery speed.

Our stack is selected for reliability, maintainability, and production scale.

Core Stack

Node.js
TypeScript
PostgreSQL
Kafka

Supporting Tools

We also work with a wide range of modern technologies based on project requirements.

RedisDockerKubernetesOpenAPI

Infrastructure / Workflow

Git
GitHub
GitLab
CI/CD
Code Reviews
Agile
Testing & QA

Results

Measured outcomes across efficiency, scalability, and system performance improvements.

Efficiency

+47%

Product Configuration Speed

Automation

-36%

Integration Lead Time

Scalability

99.8%

Transaction Processing Reliability

New Product Setup

Before

14 days

After

7.4 days

Partner API Onboarding

Before

18 days

After

11 days

Manual Reconciliation Cases

Before

23/week

After

11/week

Business Impact Snapshot

  • Demonstrated faster product configuration and integration readiness for modern digital banking operations.
  • Proved a scalable fintech foundation for teams modernizing lending and banking workflows with API-first delivery.

Want similar results for your business?

Tell us your goals and we will map the fastest path from idea to measurable business outcomes.