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FINANCIAL SOFTWARE ENGINEERING & INTEGRATION

Secure, Scalable Software Solutions
For Financial Services

Engineering mission-critical fintech platforms, automated transaction ledgers, customer banking portals, and payment gateway integrations with institutional-grade security and reliability.

Mission-Critical Financial Architecture

Financial software demands zero tolerance for calculation drift, transaction loss, or security lapses. Corevix Technology builds specialized software systems designed specifically for the rigorous demands of fintech operators, lenders, payment companies, and wealth managers.

We engineer every financial application on ACID-compliant transactional architectures, automated reconciliation engines, and cryptographic audit trails, ensuring complete operational transparency and data sovereignty.

✓ Immutable ledger entries with tamper-evident audit logs
✓ Bank-grade tokenization for card and account data
✓ High-concurrency event brokers for real-time settlements

Fintech Engineering Principles

Double-Entry Ledger Integrity

Every credit is matched by a debit. Balances are derived from transactions, ensuring zero balance drift.

Zero-Trust Data Protection

Security practices aligned with ISO 27001 principles. Strict maker-checker dual authorization for funds movement.

Automated Reconciliation

Daily matching across bank feeds, payment gateways, and internal ledgers with exception handling.

What Financial Solutions Corevix Builds

Specialized software components designed for transactional accuracy and scale.

Financial Dashboards

Real-time cash flow monitoring, settlement velocity, revenue tracking, and executive KPI summaries.

Payment Gateway Engines

Direct integration with Stripe, Razorpay, Escrow, UPI, and global banking APIs with intelligent retry logic.

Customer & Investor Portals

Self-service account management, portfolio valuations, automated tax certificates, and document vault.

Double-Entry Ledgers

Immutable multi-currency ledgers with real-time balance calculations and automated transaction tagging.

Reconciliation Engines

Automated matching of multi-source bank statements, gateway receipts, and operational invoices.

KYC/AML & Onboarding

Automated customer identity verification, sanctions screening, document collection, and approval flows.

Custom Financial APIs

Open Banking compliant RESTful APIs and secure webhook dispatchers for partner financial integrations.

Fraud & Risk Telemetry

Real-time velocity checks, abnormal transaction flags, and automated risk scoring to stop fraudulent chargebacks.

Fintech Challenges We Solve

Replace manual financial friction with programmatic accuracy.

Manual Ledger Reconciliation

Hours spent manually cross-checking bank Excel statements against payment gateway payouts. We automate this with rule-based reconciliation engines.

Friction-Heavy Onboarding

Slow manual document reviews causing high user drop-offs during KYC. We build automated identity verification pipelines that verify credentials in seconds.

Security & Tokenization Risks

Storing unencrypted financial data exposes businesses to catastrophic liability. We engineer tokenized workflows ensuring raw payment data never touches your servers.

Chargeback Exposure & Fraud

Absent real-time risk checks result in costly chargeback disputes and merchant account penalties. We implement automated velocity rules and 3DS2 enforcement.

Delayed Cash Flow Visibility

Fragmented accounts mean leadership cannot see true real-time net liquidity. We provide consolidated financial dashboards with live multi-currency telemetry.

Inflexible Core Banking APIs

Legacy core banking systems lack modern webhook connectivity. We develop robust middleware adapters that bridge legacy systems to modern web applications.

Who Corevix Fintech Solutions Are Built For

Organizations requiring secure, high-concurrency financial infrastructure.

Fintech Startups & Neobanks

High-velocity teams looking to launch commercial MVPs or scale multi-currency wallet systems with reliable cloud architecture.

Lending & NBFC Platforms

Credit assessment workflows, loan origination engines, automated EMI collection schedules, and borrower self-service portals.

Payment Aggregators

Merchant onboarding systems, split settlement routers, fee calculation engines, and chargeback management queues.

Wealth & Asset Managers

Portfolio tracking, performance analytics, NAV calculations, secure client communications, and automated tax reporting.

Security-Focused Engineering Practices

Substantiated security engineering with zero unsubstantiated marketing claims.

ISO 27001-Aligned Controls

We follow security practices aligned with ISO 27001 principles. Every deployment implements principle-of-least-privilege access, automated dependency scans, and encrypted environment variable vaults.

End-to-End Cryptography

All sensitive financial data is encrypted at rest using AES-256 and transmitted over TLS 1.3. Cryptographic hash chains guarantee audit trail immutability.

Maker-Checker Authorizations

High-value funds transfers and administrative configuration changes enforce dual-approval (maker-checker) controls, preventing unauthorized single-operator transactions.

Fintech Ecosystem Integrations

Certified connectivity with global and domestic financial providers.

Payment Gateways

  • • Stripe (Connect & Elements)
  • • Razorpay (Standard & Route)
  • • PayPal & Adyen
  • • Cashfree & BillDesk

Banking & Open APIs

  • • Plaid & Yodlee
  • • Setu & UPI 2.0 AutoPay
  • • Open Banking UK / EU
  • • Direct Corporate Host-to-Host

KYC & Verification

  • • Trulioo & Onfido
  • • Signzy & IDfy
  • • Aadhaar / PAN OCR verification
  • • Sanctions & PEP Watchlists

Accounting & Comms

  • • QuickBooks & Tally Prime
  • • Zoho Books & Xero
  • • WhatsApp Business API
  • • Twilio & SendGrid transactional

Our Financial Software Development Process

From security modeling to sandbox testing and production cutover.

01 — UNDERSTAND

Discovery & Compliance

Reviewing regulatory parameters, transaction flows, and reporting requirements.

02 — PLAN

Architecture & Threat Modeling

Defining double-entry schemas, ledger isolation, and tokenization boundary maps.

03 — BUILD

Secure Sprints

Bi-weekly agile delivery of gateway connections, ledger modules, and customer portals.

04 — TEST

Stress & Penetration QA

Simulating high-volume concurrent payments, network partition tests, and security scans.

05 — LAUNCH

Sandbox to Live Cutover

Strict sandbox banking verification before gradual pilot rollout and production cutover.

06 — SUPPORT

Monitoring & Evolution

Continuous telemetry monitoring, reconciliation audit assistance, and SLA guarantees.

Technology Stack

Backends: Node.js (TypeScript), Go, Python, Java Spring Boot

Databases: PostgreSQL (ACID compliant), TimescaleDB, Redis Cache

Event Streaming: Apache Kafka, RabbitMQ, AWS SQS

Cloud Infrastructure: AWS (Fintech VPC), Azure, Google Cloud, Docker, Kubernetes

Frontends: Next.js, React, TypeScript, Tailwind CSS

Post-Launch Support & Warranty

✓ 30-Day Hypercare: Direct engineering support for post-launch adjustments and stabilization.

✓ Source Code Ownership: 100% intellectual property transferred directly upon milestone completion.

✓ SLA Maintenance: Tailored support packages with guaranteed response times for mission-critical operations.

✓ Security Patches: Proactive library vulnerability updates and periodic dependency auditing.