How to Build a Payment Gateway: Architecture, PCI DSS and Integration
What it takes to build a payment gateway: build options, the card payment flow, gateway architecture, PCI DSS scope reduction, reliability patterns and…
Vedant ViraniENGINEERING BLOG
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35 articles in Architecture, .NET & APIs
Vedant Virani
Staff Augmentation vs Managed Services: Choosing an Engagement Model
How staff augmentation and managed services differ in control, accountability, cost and risk, when each fits, hybrid models and a decision checklist.
Savita Baldha
FinTech APIs Explained: Payments, Open Banking, Identity and Integration
The main types of FinTech APIs, how to integrate them through a secure integration layer, and the idempotency, webhook and reconciliation practices that…
Mansukh Marakana
Microservices Testing Strategies: Contract, Integration and End-to-End Testing
A practical microservices testing strategy: unit, component, integration, consumer-driven contract and end-to-end tests, service virtualization, and where each runs in the pipeline.
Savita Baldha
SaaS Application Development Cost in 2027: MVP to Scale Budgets
Indicative 2027 SaaS development costs by stage, the main cost drivers, running costs and unit economics, enterprise readiness, a worked MVP estimate and…
Savita Baldha
Software Product Discovery: A Practical Guide Before You Write Code
A practical guide to software product discovery: why it matters, the six-step process, deliverables, discovery for AI products, who to involve and common…
Mansukh Marakana
Building Version 2 of Your Software Product: Re-architect, Refactor or Rebuild?
How to plan version 2 of a software product: signs you need it, refactor vs re-architect vs rebuild, a decision matrix, protecting existing…
Vedant Virani
How to Choose an ERP Modernization Partner: A 25-Question Evaluation Scorecard
A practical 25-question scorecard for choosing an ERP modernization partner across expertise, integration and data migration, delivery, AI readiness and commercials, with red…
Savita Baldha
Modernization Timelines by System Age: Estimating Older vs Newer Platforms
How long legacy modernization takes by system age and strategy, why older systems take longer, how to build an age-adjusted estimate and what…
Vedant Virani
Modernizing Retail POS, OMS and Inventory Systems Without Disrupting Stores
How retailers modernize POS, order management and inventory together: target architecture, real-time inventory, offline-first POS, store-safe rollout, PCI DSS and AI opportunities.
Savita Baldha
The Cost of Delaying Legacy Modernization: A Three-Year Technical Debt Model
Why delaying modernization costs more each year, the six costs of standing still, an illustrative three-year technical debt model and how to present…
Mansukh Marakana
AI Features SaaS Customers Will Pay For: A Product Leader’s Prioritisation Guide
Six AI features SaaS customers value most, how to prioritise them, pricing and packaging options, multi-tenant AI architecture and the metrics that show…
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