Engineering Blog
Practical software engineering articles covering full-stack web architecture, Fastify APIs, PostgreSQL database design, Document AI, and fintech calculations.
Understand how modern web applications combine decoupled client interfaces, asynchronous backend APIs, and relational databases to power interactive digital products.
Discover the critical differences between a business website and a full-stack web application to choose the right architecture for your business goals.
Explore how Software-as-a-Service (SaaS) platforms are architected, from multi-tenant database isolation to recurring subscription billing and API rate limiting.
A comprehensive introduction to RESTful APIs, HTTP methods, status codes, stateless authentication, and OpenAPI documentation standards.
Compare REST and GraphQL architectures: over-fetching, schema strongly typed contracts, caching performance, and when to choose each protocol.
Learn how to architect high-performance PostgreSQL relational schemas with foreign key constraints, composite B-Tree indexes, and ACID transaction locks.
Understand the architectural evolution from conversational AI chatbots to autonomous multi-tool AI agents capable of planning and executing complex workflows.
Learn how Document AI combines computer vision and LLMs to extract structured financial data from bank statements, salary slips, invoices, and KYC IDs in seconds.
Discover how custom workflow engines replace slow email approval chains with deterministic state machines and instant WhatsApp triggers.
A clear step-by-step breakdown of the reducing-balance EMI formula used by Indian banks, with explicit numerical examples and amortization concepts.
Explore how modern digital Loan Origination Systems manage the complete lending lifecycle from borrower intake to underwriting and disbursal.
Understand the FOIR (Fixed Obligation to Income Ratio) model used by bank underwriters to determine maximum borrower credit limits.