Fintech software development for lenders and payment companies
We build wallets, lending platforms, onboarding flows and payment integrations with accurate ledgers, audit trails and security controls designed in from the first sprint.
ZedBlu offers fintech software development for banks, non-bank lenders, payment companies, wealth and insurance platforms, and startups working on neobank app development. We build customer apps, back-office systems and the integrations between them, treating money movement and compliance as core features rather than add-ons.
Financial software is judged on two things: whether the numbers are always right and whether customer data stays safe. That shapes how we work. We design double-entry ledgers, idempotent payment APIs, maker-checker approvals and detailed audit logs, and we build to support PCI DSS, KYC and AML rules, GDPR and local regulatory requirements.
Every fintech app development project starts with an NDA, uses masked data in development and goes through security testing before major releases. You own the code and IP, which simplifies audits, partner due diligence and future funding rounds.
What slows teams down
Security and regulatory pressure
Card data, identity documents and transaction histories attract attackers and regulators alike. Every release must preserve encryption, access controls and logging, and auditors expect evidence of how each control works, not just assurances.
Legacy cores and partner APIs
New products depend on banks, payment processors, credit bureaus and KYC vendors, each with its own API, sandbox quirks and maintenance windows. Older core banking systems add batch processes that make real-time experiences hard to deliver.
Onboarding drop-off
Long forms, repeated document uploads and slow manual verification push applicants to abandon sign-up halfway through. Every applicant lost at that stage represents marketing spend that never turns into a customer.
Reconciliation and ledger accuracy
When payments, refunds, chargebacks and settlements are tracked across several systems, finance teams spend days matching statements by hand. Small mismatches pile up into reporting errors that are expensive to unwind later.
Software that fits how you work
Digital wallets and payment apps
Digital wallet app development with UPI, cards, QR payments, peer-to-peer transfers, bill payments and rewards, all backed by a double-entry ledger so every balance traces back to its transactions.
Lending platforms
Lending software development covering loan origination, scoring workflows, document collection, e-sign, disbursement, EMI schedules, repayment reminders and collections dashboards for consumer, small business and buy-now-pay-later products.
Digital onboarding and KYC
KYC automation with mobile document capture, OCR, face match and liveness checks through specialist verification providers, AML and sanctions screening integrations, and a review queue for cases that need a human decision.
Payment and banking integrations
Payment gateway integration with Stripe, Razorpay, aggregators, banking APIs and payout providers, including webhooks, retries, idempotency keys and automated reconciliation of settlements against your internal ledger.
Fraud detection and risk analytics
Machine learning models and rule engines that flag unusual transactions, risky devices and suspicious account patterns in near real time, with dashboards that let analysts review alerts and refine rules.
Back-office and compliance tools
Admin consoles with maker-checker approvals, role-based permissions, complete audit trails, scheduled regulatory reports and support tools, including an AI agent for routine customer questions, so operations and compliance teams work without direct database access.
Ready-made solutions for Fintech & Banking
Services we bring
Fintech & Banking: FAQ
How much does fintech software development cost?
Costs vary with regulation, integrations and security requirements. A focused web platform such as a loan origination portal typically costs $8,000 to $60,000 or more, and a wallet or banking app for Android and iOS usually ranges from $10,000 to $80,000 or more. Core ledgers, multiple partner integrations and compliance reporting move projects into enterprise budgets. A free consultation is the first step, followed by a fixed quote for the agreed scope.
Can you build software that meets PCI DSS and KYC requirements?
We build software to support PCI DSS, KYC and AML obligations: tokenized card handling through compliant payment providers, encryption, strict access control, audit logs, and verification flows that integrate with licensed KYC vendors. Formal compliance and any certification remain your organization's responsibility, assessed by qualified auditors. We document our technical controls and support your audit with evidence and fixes.
Do we need our own banking or payments license?
It depends on your product and market. We build the technology, while licensing is a regulatory question for your business and legal advisors. Many fintech products launch by partnering with licensed banks, payment aggregators or banking-as-a-service providers, and we integrate their APIs. We also design the architecture so it can adapt if you later obtain a license of your own.
Can you modernize our legacy banking software in stages?
Yes. For banking software development on top of an older core, we recommend wrapping the legacy system with modern APIs first, then moving individual functions, such as onboarding, statements or payments, to new services one at a time. Each step runs in parallel with the old system until results match, which limits risk and lets customers see improvements early.
How do you protect financial data during development?
Security starts before any code is written. We sign an NDA, restrict production access to named engineers, use masked or synthetic data in development and testing, enforce code reviews and scan dependencies for vulnerabilities. Before major releases, we run vulnerability assessment and penetration testing, and secrets live in managed vaults rather than in code or shared documents.
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