What is fintech software?

Software that handles the financial side of a business — payments, banking, transactions, compliance — built to the reliability and security standard financial products require, not general-purpose software adapted after the fact.

How much does fintech development cost?

Cost depends on scope — which modules, integrations, and compliance requirements are involved. We provide a detailed estimate after an initial scoping conversation.

Can you build payment platforms?

Yes. Payment flows engineered for reliability and PCI DSS compliance are a core part of most fintech platforms we build.

Can you integrate Stripe?

Yes. Stripe is a standard part of our payment processing toolkit for cards, subscriptions, and payouts.

Can you integrate Open Banking APIs?

Yes. We build standards-based integrations for account data access and payment initiation where regulation requires it.

How secure are fintech platforms?

Encryption, access control, audit logging, and PCI DSS-aligned handling are architectural defaults, not optional add-ons.

Can you modernise legacy banking software?

Yes. We audit the existing system first, then decide whether a full rebuild or a phased modernisation makes more sense.

Can fintech software scale internationally?

Yes. We design the architecture around multi-region and multi-currency requirements from the start, not as a later migration.

Who owns the source code?

You do. The codebase, infrastructure, and documentation are yours, not licensed to you.

Do you provide maintenance?

Yes. We offer ongoing maintenance covering bug fixes, security patches, and compliance-relevant updates, scoped separately from new feature development.

How long does development take?

Typically 10–16 weeks for a first platform module, longer for a full banking rollout, depending on scope and compliance requirements.

Fintech Software Development

We design secure fintech platforms, payment systems, digital banking solutions and financial software engineered for scalability, compliance and high-volume transactions.

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Payment Platforms
Digital Banking
PCI DSS
Cloud Native
Financial APIs

Estimated timeline: Typically 10–16 weeks for a first platform module, longer for full banking rollouts
Platforms: Web · Mobile · Cloud
Tech stack: React · Laravel · PostgreSQL · Stripe

Overview

Fintech Overview

We design secure fintech platforms, payment systems, digital banking solutions and financial software engineered for scalability, compliance and high-volume transactions.

Security First
Financial-grade architecture designed around security.
Scalable Transactions
Platforms built to process thousands of transactions reliably.
Compliance Ready
Systems prepared for regulatory requirements.

What's Included

Everything under one roof

Everything included in this engagement, from architecture to long-term support — one team, one system.

Digital Banking

Core banking experiences — accounts, transfers, statements — built on a modern, auditable architecture.

Payment Platforms

Payment flows engineered for reliability and PCI DSS compliance, not bolted onto an existing system.

Wallet Applications

Digital wallets with the balance accuracy and transaction integrity financial products require.

Investment Platforms

Portfolio and trading interfaces built on real-time, accurate financial data.

Financial Dashboards

Operational and customer-facing dashboards built on the same reliable data model.

Expense Management

Expense tracking and approval workflows designed for real finance team processes.

Accounting Platforms

Accounting systems built for accuracy and audit trails, not just data entry.

Subscription Billing

Recurring billing logic that handles upgrades, proration, and failed payments correctly.

Financial APIs

Standards-based APIs connecting your platform to banks, processors, and financial data providers.

Fraud Detection

Transaction monitoring built to catch real fraud patterns without blocking legitimate customers.

Compliance Systems

KYC, AML, and regulatory reporting workflows built into the platform, not a manual process.

Reporting

Financial and operational reporting generated from real data, not manually reassembled.

Why Aixo Lab

Why Financial Companies Choose Aixo Lab

Security by Design
Encryption, access control, and transaction integrity are architectural decisions made before the first feature is built, not retrofitted before launch.
Reliable Transactions
Payment and transaction systems engineered to handle real volume and failure modes correctly, not just the happy path.
Compliance First
PCI DSS, GDPR, and financial regulations are treated as build requirements from day one, not a certification exercise at the end.
Long-term Evolution
A platform your team can extend as products and regulations evolve, without a rebuild every time a new requirement lands.

Security & Compliance

The regulatory foundation every fintech platform needs

Compliance and security built into the architecture from the start, not audited in after the fact.

PCI DSS

Payment data handling designed to meet PCI DSS requirements from the first architecture decision.

GDPR

Data protection and consent handling built for platforms serving customers across regions.

Encryption

Financial data encrypted at rest and in transit, by default, not as an optional configuration.

Role Permissions

Access to financial data and operations scoped correctly by role, enforced consistently across the platform.

Audit Logs

A complete, queryable record of who accessed or changed financial data, and when.

Secure APIs

Authentication and authorization designed into every integration point, not bolted on afterward.

OAuth

Standards-based authorization for connecting third-party applications without sharing credentials.

JWT

Signed, verifiable tokens for stateless authentication across services and clients.

Fintech Capabilities

The platform capabilities every financial product needs

Capabilities built into the platform from the start, not bolted on after the first transaction fails.

Payment Processing

Payment flows built to handle real volume, failures, and reconciliation correctly.

Transaction Monitoring

Real-time visibility into transaction health and anomalies as they happen.

Fraud Detection

Pattern-based detection built to catch real fraud without blocking legitimate customers.

KYC

Identity verification workflows built to meet regulatory requirements without adding unnecessary friction.

User Authentication

Secure sign-in — MFA, biometrics, session management — handled correctly from day one.

Audit Logs

A complete, queryable record of every transaction and access event, for compliance and investigation alike.

Notifications

Real-time alerts for transactions, security events, and account activity.

Financial Reporting

Regulatory and operational reports generated from real data, not manually reassembled each cycle.

API Integrations

Connections to banks, payment processors, and financial data providers your platform depends on.

Analytics

Operational and financial performance visible in real time, not reconstructed at month-end.

Cloud Infrastructure

Infrastructure that scales with transaction volume, built for the reliability financial systems require.

Multi-currency Support

Currency conversion and multi-region handling built into the data model, not patched on later.

Technology Stack

Built on a modern, production-grade stack

Every technology here is a deliberate choice, not a default.

React

Component-based UI library for building interactive financial dashboards.

Next.js

React framework for server rendering, static generation, and the performance financial products need.

React Native

Cross-platform mobile framework covering iOS and Android from a single codebase.

Laravel

PHP framework for backend services and business logic behind financial workflows.

Node.js

JavaScript runtime for real-time APIs and services shared between web and mobile clients.

PostgreSQL

Primary relational database for structured, auditable financial and transaction data.

Redis

Caching and real-time data layer keeping transaction processing fast under real load.

Docker

Containerizes every service so environments stay identical from development to production.

AWS

Cloud infrastructure for hosting, storage, and scaling financial workloads.

Stripe

Payment processing infrastructure for cards, subscriptions, and payouts.

Plaid

Bank account linking and financial data access for platforms that need it.

Open Banking APIs

Standards-based access to bank account data and payment initiation where regulation requires it.

REST APIs

The default integration standard for connecting the platform to banks and financial systems.

GraphQL

Used when a dashboard or mobile client needs to query exactly the data it needs from a complex system.

OAuth

Standards-based authorization for secure delegated access between services and third parties.

Process

How we work

The same disciplined process behind every engagement, from the first architecture decision to launch.

01
Discovery
Understand the business problem and its real constraints.
Output:
Scope and goals document
Your involvement:
Initial workshop
02
Product definition
Translate the problem into concrete product requirements.
Output:
Feature spec and priorities
Your involvement:
Requirements review
03
UX/UI design
Design user flows and interface before development starts.
Output:
Wireframes and design system
Your involvement:
Design feedback
04
Technical architecture
Define system structure, data flow, and technology stack.
Output:
Architecture document
Your involvement:
Technical review (optional)
05
Iterative development
Build in short cycles with visible, regular progress.
Output:
Regularly shipped working versions
Your involvement:
Sprint review participation
06
Quality assurance
Test functionality, performance, and security before release.
Output:
Test results and fixes
Your involvement:
Acceptance sign-off
07
Launch
Deploy to production with a rollback plan in place.
Output:
Product deployed to production
Your involvement:
Launch approval
08
Continuous improvement
Monitor, maintain, and evolve the product after launch.
Output:
Maintenance and improvement roadmap
Your involvement:
Regular check-in meetings

Featured Project

See it in practice

Digital Banking Platform

A secure cloud-native platform combining customer accounts, payments, analytics, reporting and financial APIs.

Challenge

A financial services company needed to modernise its customer experience while maintaining strict security and compliance requirements.

Solution

We developed a secure cloud-native platform combining customer accounts, payments, analytics, reporting and financial APIs.

Results

Improved operational efficiency
Secure financial transactions
Modern customer experience
Scalable cloud infrastructure

Technologies

React
Laravel
PostgreSQL
Docker
AWS
Stripe

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FAQ

Frequently asked questions

Resources

Technologies we build this on

The stack pieces most relevant to a project like this one.

Technology

PostgreSQL Development

We design and operate PostgreSQL databases for enterprise software — schema design, replication, and partitioning architected around the domain's actual data integrity and scale requirements, not a generic reference schema.

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Technology

AWS Cloud Development

We architect and run enterprise software on AWS — high availability, auto scaling, and disaster recovery designed as engineering decisions, not defaults inherited from a template.

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Technology

REST API Development

We design and build enterprise REST APIs — resource modeling, authentication, versioning, and rate limiting architected as long-term contracts, not endpoints assembled to make one client work.

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Mobile App Development

Aixo Lab designs and builds native iOS, native Android, and cross-platform mobile applications, from architecture through App Store and Play Store release.

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