Finance Solutions
Payment Professional

Payment Solutions

DevSimplex builds custom payment solutions that integrate payment gateways, automate billing, and provide secure transaction processing.

View Case Studies
40+
Success Rate
$500M+
Avg Delivery
1+
Projects Delivered
99.99%
Client Retention

Trusted by 200+ businesses worldwide

Our Offerings

End-to-end software solutions tailored to your business needs

Payment Processing

Secure payment processing with multiple gateways.

Features:

  • Multi-gateway support
  • Card processing
  • ACH/Bank transfers
ReactNode.jsPostgreSQL

Subscription Billing

Automated recurring billing and subscription management.

Features:

  • Recurring billing
  • Plan management
  • Proration
ReactNode.jsPostgreSQL

Invoicing & AR

Automated invoicing and accounts receivable.

Features:

  • Invoice generation
  • Payment reminders
  • Online payments
ReactNode.jsPostgreSQL

Our Process

A systematic approach to quality delivery and successful outcomes

1

01

1-2 weeks

Analyze payment needs and compliance requirements.

Deliverables:

  • Requirements
  • Gateway selection
  • Compliance plan
2

02

2 weeks

Design payment architecture and flows.

Deliverables:

  • System design
  • Payment flows
  • Security design
3

03

6-14 weeks

Build payment platform with security.

Deliverables:

  • Payment system
  • Integrations
  • Security features
4

04

2 weeks

Deploy with PCI compliance.

Deliverables:

  • Deployed system
  • Compliance certification
  • Training

Case Studies

Real-world success stories and business impact

SaaS Subscription Platform

B2B Software CompanySaaS

Challenge:

Manual billing for 10,000+ subscribers

Solution:

Automated subscription billing with Stripe

Results:

100% billing automation
30% reduction in churn

Tech:

ReactNode.jsPostgreSQL

Client Stories

What our clients say about working with us

"Billing went from a nightmare to completely automated. Revenue recognition is now real-time."
James Miller
VP Finance
SaaSCorp

Frequently Asked Questions

Get expert answers to common questions about our enterprise software development services, process, and pricing.

We integrate with Stripe, PayPal, Braintree, Authorize.net, and most major gateways.

Yes, we build PCI-DSS compliant solutions using tokenization and secure gateway integrations.

Still Have Questions?

Get in touch with our team for personalized help.

Ready to Get Started?

Let's discuss how we can help transform your business with finance solutions.