Fintech Development Services Built for Market Speed

We help fintech leaders build smarter systems, unlock real-time insights, and stay ahead of compliance with lean, secure, and scalable tech built for long-term growth.
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Your Fintech Development Partner in a High-Stakes Industry
We help fintech teams cut through complexity and move fast — with deep expertise in core banking, AI, payments, and digital finance.
[HOW WE HELP]
Modern Tech for Secure Fintech Development Services
We help fintech leaders simplify systems, increase agility, and reduce risk — without hitting pause on innovation.
Explore our AI/ML Expertise and Capabilities
Streamlined Payments & Core Systems
Modernize your architecture without re-platforming from scratch.
Real-Time Fraud Detection
Use AI to catch anomalies before they cost you.
Smarter Credit & Risk Models
Deploy machine learning for faster, more accurate decisions.
Compliance, Built In
Stay audit-ready with built-in support for PCI DSS, PSD2, GDPR (FinCEN/FINTRAC as applicable).
Secure, Scalable Infrastructure
Cloud-native, encrypted, and designed for uptime.
Fast MVP-to-Market Launches
Lean product builds that move from spec to market in weeks, not quarters.
[OUR SERVICE]
Smarter IT for Fintech Leaders

Core System Modernization

[01]

Extend or refactor core banking, KYC, or payment systems to reduce tech debt.

AI for Finance

[02]

Fraud detection, behavioral analytics, credit scoring, and personal finance coaching — all built with ROI in mind.

Payments & Digital Wallets

[03]

Custom gateways, mobile wallets, crypto integrations, transaction engines.

Regulatory & Data Compliance

[04]

We help you build with PCI DSS, PSD2, FinCEN, and GDPR in mind — from day one.

Cybersecurity Services

[05]

Threat modeling, cloud security, identity management, and AI-driven intrusion detection.

Scalable Cloud Architecture

[06]

Build, migrate, or optimize your infrastructure for performance and cost.

Stay Ahead in Fintech — Securely
Partner with us to modernize legacy systems, deploy AI-driven security, and launch new digital products without compromising security or trust.
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NO OBLIGATIONS
expert
[OUR APPROACH]
We Start Where Compliance Meets Customer Experience
[01]
Start With Your User Flow & Regulatory Needs
We find where compliance (KYC, PCI-DSS, SOC 2) and user experience clash, and solve for both.
[02]
Build for Scale, Security & Speed
We apply deep AI/data engineering and DevSecOps practices to get you to market fast — and ready for scale.
[04]
Stay Aligned to Your Growth & Risk Models
As you scale, we iterate with you: improving uptime, tightening fraud defenses, and helping you keep customer trust.
[03]
Integrate Cleanly With Core Platforms
Our team ensures every piece from banking APIs to ID verification to risk models works together with performance and compliance built in.
[WHY US]
Why Choose Sun* Inc. for Fintech Development Services?
Built for Speed, Without Sacrificing Trust

Built for Speed, Without Sacrificing Trust

Fast MVPs and scalable builds that meet security and compliance needs.

Deep Fintech Expertise

Deep Fintech Expertise

AI, security, compliance, payments — our team’s done it all.

Security and Compliance First

Security and Compliance First

From architecture to analytics, trust is built into everything we build.

Precision You Can Trust

Precision You Can Trust

Rooted in Japanese engineering, we deliver high quality and constant improvement.

[OUR WORK]
Fintech Projects We’ve Delivered
We empower our clients to scale today while building for the future.
We Build Fintech That’s Fast, Secure, and Audit-Ready
Partner with a our fintech team who builds secure, compliant, and audit-ready platforms from day one.
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FAQs
Fintech Development Services
What types of fintech systems do you specialize in?

We’ve delivered secure and reliable fintech solutions across the value chain — including core banking platforms, digital payments, KYC/AML systems, wealth management tools, lending solutions, cryptocurrency platforms, and financial data products.

Let’s discuss your next fintech initiative with our tech experts — we’re ready to help.

How do you ensure regulatory compliance in fintech development?

We design systems aligned with PSD3/PSR, Consumer Duty, PCI DSS 4.0, GDPR, and emerging US open-banking rules. Every build includes compliance checks, audit-ready documentation, and regulatory testing.

How do you handle security and fraud prevention?

We embed layered defenses including strong encryption, tokenization, MFA, and AI-driven fraud detection. Our teams design systems to reduce exposure to APP scams, account takeovers, and mule activity.

Can you support cloud migration and multi-cloud resilience?

Yes. We design architectures that run across AWS, Azure, and GCP. Our team helps you migrate securely, optimize costs, and reduce dependency risks by building redundancy and failover into your multi-cloud environment.

Are Sun* fintech development teams certified?

Our engineers and security teams maintain certifications including ISO 27001, PCI DSS, SOC 2, and cloud provider certifications (AWS, Azure, GCP). This ensures we follow industry best practices for fintech-grade security, scalability, and resilience.