We provide custom fintech software development, banking software development, and financial services software development for banks, neobanks, lenders, and fintech startups — built to survive a regulatory audit, not just a demo.
Fintech software development is a specialised discipline shaped by regulatory obligation, transaction integrity, and the fact that a bug isn't a bad review — it's money moved incorrectly. Financial software development spans a wider category still: core banking systems, payment infrastructure, lending platforms, wealth management tools, and the compliance tooling that sits underneath all of them.What separates a banking software development company from a generic software vendor is how compliance, auditability, and transaction consistency are treated — not as a final checklist item, but as constraints that shape the architecture from the first sprint. We scope every fintech and banking engagement against the regulatory environment it has to operate in before a single screen gets designed.
Financial software operates under some of the strictest regulatory obligations of any software category — obligations that vary by jurisdiction, licence type, and whether the platform touches payments, lending, or investment data.
| Area | Focus |
|---|---|
| Payment Security | PCI DSS, tokenisation, end-to-end encryption |
| Identity & Fraud | KYC, AML, transaction monitoring |
| Data Protection | GDPR, SOC 2, data residency requirements |
| Open Banking | PSD2, secure API access, consent management |
Our custom fintech software development process treats KYC/AML workflows, PCI DSS scoping, and audit logging as core features from day one — not a compliance review scheduled after the MVP is already built. Every transaction-handling system we deliver is designed for traceability first: who did what, when, and under what authorisation.
audit-ready, PCI-aligned financial platformWe run a six-stage delivery process across fintech, banking, and broader financial software development services engagements. Each stage has a defined output and a sign-off gate — nothing moves forward until the previous stage is confirmed.
stakeholder workshops, licensing and jurisdiction review, compliance requirements, integration inventory (core banking, payment rails, KYC providers)
information architecture, transaction and onboarding flow design, wireframes, prototype validation
two-week sprints, sprint review demos, parallel backend/frontend/mobile development
functional and performance testing, penetration testing, PCI DSS and compliance validation, load testing under peak transaction volume
staged rollout with feature flags, staff and partner documentation, 30-day hypercare support
monthly analytics and fraud-pattern reviews, A/B testing on conversion and retention, quarterly roadmap update
Fintech is not one product category, and a financial software development company that treats it as one tends to under-scope the compliance and integration work underneath every build.
Core and neobank platforms covering account management, transaction history, card controls, and multi-currency support. Built to integrate with core banking systems or operate as a standalone ledger where a full core isn't required.
Domestic and cross-border payment platforms, P2P transfer apps, and merchant payment infrastructure. Built on tokenised payment processing with fraud detection and reconciliation built in from the start.
Loan origination, underwriting, and servicing platforms with credit-bureau integration, automated decisioning workflows, and repayment tracking.
Portfolio management, robo-advisory, and trading platforms with real-time market data integration, and reporting built to meet investment-industry disclosure requirements.
Policy management, claims processing, and underwriting automation platforms, integrated with actuarial data sources and built for the compliance obligations specific to insurance.
KYC/AML monitoring systems, transaction-surveillance tools, and regulatory reporting platforms — often the piece that makes every other fintech product on this list auditable.
A production financial platform is judged on transaction integrity and auditability before it's judged on features. Architecture decisions made at the outset determine whether the platform can pass a compliance audit, reconcile every transaction, and scale through a volume spike without downtime.
Double-entry ledger design and idempotent transaction processing ensure every financial event is recorded once, reconciled, and reversible through a documented process — never through a direct database edit.
KYC/AML checks, fraud scoring, and transaction monitoring run as dedicated services with their own audit trail, separate from core application logic so compliance rules can change without a full application rebuild.
We deploy on AWS, GCP, or Azure using containerised microservices (Docker/Kubernetes), with transactional workloads isolated from analytics and reporting so a reporting query never risks slowing down a live payment.
| Layer | Components | Technology Examples |
|---|---|---|
| Presentation | Web app, mobile app, admin/back-office panel | React, Next.js, React Native |
| API Gateway | Auth, routing, rate limiting | Kong, AWS API Gateway |
| Application | Account logic, lending engine, transaction processing | Node.js, Java, Go |
| Payments & Ledger | Payment processing, ledger, reconciliation | Stripe, Marqeta, custom ledger services |
| Compliance & Fraud | KYC/AML checks, fraud scoring, monitoring | Onfido, Sardine, custom rules engines |
| Data | Account data, transaction records, analytics | PostgreSQL, Kafka, BigQuery |
| Infrastructure | Auto-scaling, CI/CD, monitoring | AWS EKS, GitHub Actions, Datadog |
| Feature Category | Core Capabilities | Advanced Capabilities |
|---|---|---|
| Accounts | Balances, transaction history | Multi-currency, sub-accounts, virtual cards |
| Payments | Transfers, bill pay | Cross-border payments, instant settlement rails |
| Lending | Application forms, manual review | Automated underwriting, credit-bureau integration |
| Compliance | Basic KYC checks | AML transaction monitoring, automated regulatory reporting |
| Fraud & Risk | Rule-based flags | ML-based fraud scoring, real-time anomaly detection |
| Reporting | Standard statements | Investment disclosures, regulator-ready exports |
| Integrations | Bank feed connections | Open banking (PSD2), core banking system integration |
Coralsoft treats fintech and banking as a specialised discipline, not a variant of standard SaaS development.
Compliance and licensing requirements are scoped before architecture decisions are made, not retrofitted after a security review flags a problem. This is the difference between a financial software development company and a generalist dev shop taking on a finance project.
Ledger design, idempotency, and reconciliation are treated as core engineering problems, built with the same rigour whether the platform processes ten transactions a day or ten million.
KYC/AML workflows and fraud detection are designed as part of the core transaction flow, not a separate module added after launch.
From regulatory scoping to post-launch fraud-pattern monitoring, we run the complete lifecycle of a custom fintech software development engagement — not just the build phase.
Production-grade products. Real users. Measurable outcomes.
A greenfield cross-platform mobile app that brings event planning, shared expenses, debt settlement, and group chat into one place — designed, built, and shipped to the App Store and Google Play by Coralsoft.
A production AI financial assistant for Non-Resident Indians navigating NRE/NRO banking, FEMA rules, tax-treaty questions, mutual funds and long-term planning — built as a full-stack platform with a streaming chatbot, RAG knowledge pipeline, personalisation, task tracking, billing and admin.
We match the commercial structure to your funding stage, regulatory timeline, and internal capability.
A senior engineer, fintech product specialist, and compliance-aware architect embedded in your product cycle. Ideal for funded fintech startups and banks building long-term digital infrastructure.
Scoped deliverable, fixed budget, guaranteed timeline. Best suited to well-defined MVP builds — a lending platform, a payments module — where budget approval requires certainty.
Pay for hours of actual engineering. Maximum flexibility for evolving product briefs, licensing timelines that shift, or research-heavy early-stage builds.
Answers to the questions we hear most before kick-off.
Tell us your use case. We'll map the right architecture, identify regulatory and integration dependencies, and give you a realistic cost estimate — in one 30-minute call. No obligation.