Notes from the team: practical writing on engineering, product, healthcare tech and AI.
12 posts
Latest/System Design
Rent the payment provider and build what it cannot know: a double-entry ledger, payment states that survive retries, daily reconciliation and the rules for refunds, payouts and wallets. Keep card data out of your systems entirely.
19 Oct 202612 min read
Latest/AI Agents & Automation
Choose an AI agent partner on four things: what done means, how quality is measured, what the agent may touch, and who owns the code, prompts and evaluation set afterwards. Compare pricing on build, model usage and upkeep separately.
16 Oct 202612 min read
Latest/E-commerce Development
Most retailers need their till, online store and accounts to agree, not a new system. Build one stock service across locations first, then click and collect, returns, ship from store and reporting, and keep buying the commodity systems.
12 Oct 202612 min read
Latest/Marketplace Development
Marketplace builds run $15,000 to $150,000+. Where yours lands depends on the marketplace model, whether the platform holds money before paying sellers, how much trust the transaction needs, and how many separate apps you build.
10 Oct 202613 min read
Latest/Logistics & Supply Chain
A custom WMS is worth building when daily floor tasks need workarounds. Store stock as a movement ledger, design scanning for speed and dropped Wi-Fi, scope each integration including COD returns, and go live on receiving and counts before picking.
17 Sept 202615 min read
Latest/MERN STACK
The hard parts of a MERN ecommerce store are in the data: variants as their own documents, a server-side cart, orders that copy what was sold, atomic stock reservation, and Stripe payments confirmed by webhook. Includes schemas, a status state machine and a build order.
15 Sept 202614 min read
Latest/Logistics & Supply Chain
A build and cost guide to custom fleet management software: the eight modules and which four a first release needs, telematics ingestion, scheduled before predictive maintenance, when on-premise is unavoidable, where AI genuinely saves money, and illustrative cost at a published rate.
12 Sept 202615 min read
Latest/Product development
A buyer's guide to product development companies in India: telling a product firm from a staffing shop, what each company size is good and bad at, why $12 and $45 quotes differ in seniority not quality, and five questions that expose a bad fit.
12 Sept 202615 min read
Latest/Marketplace Development
A build-order guide to an event marketplace: model venues, vendors and talent separately, build supply and availability first, treat bookings as a state machine with database-level double-booking prevention, hold funds until delivery, and add ML personalization only once booking history exists.
12 Sept 202615 min read
Latest/Logistics & Supply Chain
An app like Porter is three products: shipper app, driver app and an operations panel where verification, disputes and payouts live. Decide fixed pricing or bidding first, ship a ranked-list dispatcher, hold funds until delivery, and budget from team-weeks.
12 Sept 202615 min read
Latest/MVP Development
Indian MVP quotes differ by rate, seniority mix, design, scoping and what 8 weeks contains. A paid two-week scoping step lowers the build price by removing uncertainty. Week-by-week build table, Denti360 worked example, and the post-launch reserve to hold back.
9 Sept 202615 min read
Latest/Healthcare tech development
We built, launched and still run Denti360, a practice-management platform for multi-branch dental clinics. Here is what a build of that shape costs, priced line by line at our own published rate, and which four line items cost more than the feature list suggests.
10 Aug 202612 min read
Latest/Logistics & Supply Chain
Learn how to build efficient last-mile delivery route optimization solutions using Python, Google OR-Tools, and real-time traffic APIs to reduce costs and improve delivery times.
29 Jul 20265 min read
Latest/Healthcare tech development
Learn how to build intelligent medical Q&A systems using RAG pipelines with Pinecone, LangChain, and GPT-4 for accurate healthcare responses.
26 Jul 20265 min read
Latest/Logistics & Supply Chain
Learn how to optimize fleet tracking WebSocket connections using MQTT protocol and Redis caching for real-time logistics management.
23 Jul 20265 min read
Latest/Healthcare tech development
Compare OpenAI GPT-4o and Claude 3.5 Sonnet for healthcare clinical note summarization. Learn which AI model excels in accuracy, HIPAA compliance, and medical documentation.
17 Jul 20265 min read
Latest/Logistics & Supply Chain
Learn how to build an autonomous, multi-agent AI logistics dispatch system using CrewAI and Google Maps APIs to optimize routes and real-time fleet operations.
16 Jul 20265 min read
Latest/AI Agents & Automation
Learn how to build autonomous AI agents using Claude API and LangChain to automate enterprise workflows, enhance decision-making, and drive operational efficiency.
14 Jul 20265 min read
Latest/Engineering Practice
Discover how to hire remote developers efficiently. Learn sourcing strategies, vetting processes, and legal tips to scale your engineering team.
10 Jul 20265 min read
Latest/Logistics & Supply Chain
Learn how to build powerful real-time freight tracking dashboards using Socket.io for live data and Mapbox GL for interactive maps. Complete guide for developers.
8 Jul 20265 min read
Latest/AI Strategy & ROI
A practical, sequenced playbook for enterprise AI adoption — readiness assessment, use-case selection, pilot-to-production, governance, team enablement and ROI. Built from what actually stalls AI programs, and what moves them to production.
7 Jul 202612 min read
Latest/System Design
The technical companion to enterprise AI adoption — how to design and modernize software so AI is native, not bolted on. Core principles, five AI-first patterns, data/API integration, scaling, cloud, legacy modernization and AI in the SDLC.
7 Jul 202612 min read
Latest/Web Development
NestJS and Next.js are not competitors: one is a backend framework, the other a React frontend framework. What each does, when to use which, and when to use both.
3 Jul 20267 min read
Latest/Healthcare tech development
Learn how to integrate HL7 FHIR R4 APIs into React Native mobile health applications with this comprehensive guide covering setup, implementation, security, and best practices.
2 Jul 20265 min read
Latest/Web Development
Node.js is a runtime and Next.js is a React framework that runs on it, so they are not alternatives. The real decision is one Next.js app versus a separate Node API, and often the answer is both.
2 Jul 202611 min read
Latest/AI Agents & Automation
Compare OpenAI Functions and Anthropic Tool Use for building AI agents in insurance claims processing. Learn which platform best suits your needs.
29 Jun 20265 min read
Latest/AI Strategy & ROI
Learn how to build enterprise-grade RAG pipelines using LangChain, Chroma, and Azure OpenAI to power intelligent knowledge bases.
26 Jun 20265 min read
Latest/Marketplace Development
How marketplace payments actually work with Stripe Connect: choosing a charge type, account types, webhook handling, refunds, and how we hold funds until the lease is signed on Nestlet, our own marketplace.
23 Jun 202613 min read
Latest/Logistics & Supply Chain
Learn how to optimize last-mile delivery routes using OR-Tools and Python to reduce costs, improve efficiency, and enhance customer satisfaction.
20 Jun 20265 min read
Latest/Healthcare tech development
Model leaderboards expire, evaluation methods do not. How to build a clinician-scored evaluation set for clinical summarization, why omission beats accuracy as the metric that matters, how to cost it per document, and why data terms usually decide first.
17 Jun 20269 min read
Latest/Healthcare tech development
The hard parts of a patient portal are identity proofing, record release rules, and the places PHI leaks by accident: analytics, URLs, caches and logs. Framework choice matters far less than teams assume, and EHR integration drives the cost.
14 Jun 202612 min read
Latest/Logistics & Supply Chain
Learn how to build intelligent buyer-seller matching systems in logistics marketplaces using vector embeddings and AI. Discover the architecture, implementation steps, and best practices.
11 Jun 20265 min read
Latest/Healthcare tech development
Learn to build an intelligent medical document search system using Retrieval-Augmented Generation with LangChain and Pinecone vector database.
8 Jun 20265 min read
Latest/Healthcare tech development
Learn how to build robust HL7 FHIR integration solutions using Python and FastAPI for modern healthcare systems. Step-by-step guide with code examples.
27 May 20265 min read
Latest/Logistics & Supply Chain
Learn how to build a powerful real-time freight tracking system using WebSockets and AI agents for logistics excellence.
21 May 20265 min read
Latest/Healthcare tech development
The boundary between your system and the model provider decides everything else. What counts as PHI in a request, the three viable architectures, why logging leaks before the model does, and how to design tool use so an agent cannot quietly write to a chart.
18 May 202611 min read
Latest/AI Agents & Automation
Explore low-code vs custom development for AI agents. Compare top platforms, benefits, and choose the right approach for your business in 2026.
3 Apr 20265 min read
Latest/AI Strategy & ROI
A working method for putting numbers on an agent or automation project: define the unit of work, take a baseline, separate real measures from theatre, cost the full running bill, attribute the change, and compute a payback range you can defend.
28 Mar 202613 min read
Latest/AI Agents & Automation
Explore the evolution from simple chatbots to sophisticated autonomous AI agents. Learn about the components, architecture, and business applications.
25 Mar 20265 min read
Latest/System Design
Discover the key differences between microservices and monolithic architecture to choose the right approach for your software development project.
22 Mar 20265 min read
Latest/Engineering Practice
Discover how to measure and maximize the return on investment of AI coding tools in enterprise software development.
20 Jan 20265 min read
Latest/AI Agents & Automation
Discover how to build sustainable competitive advantages in AI beyond simple LLM wrappers. Learn strategies for creating defensible AI moats that stand the test of time.
26 Aug 20255 min read
Latest/AI Agents & Automation
An implementation guide for teams that have already decided to build an agent: what justifies an agent over a script, how to scope the first one safely, tool and state design, idempotency, approval gates, evaluation, cost and observability.
5 Aug 202513 min read
Latest/AI Strategy & ROI
Model accuracy is an engineering diagnostic, not a business outcome. This covers fixing the baseline before you build, the three layers of AI measurement, attributing change with holdouts, counting the full running cost, and watching for drift.
22 Jul 202513 min read
Latest/Engineering Practice
Refactoring existing code is a far better use of a model than greenfield generation, because the old behaviour and its tests give you ground truth. This is the craft: context, safe transformations, characterization tests, failure modes and diff review.
1 Jul 202512 min read
Latest/MERN STACK
AI tooling pays off in a MERN codebase where the output is cheap to check: React scaffolding, generated tests, MongoDB explain plans and log clustering. Express, auth and payment code still needs full human review.
18 Mar 202511 min read
Latest/Product development
What end-to-end product development includes: six stages from discovery to post-launch, the artefact each one should produce, the four hand-offs that leak, the early decisions that are expensive to reverse, and how the cost really splits.
26 Nov 202411 min read
Latest/MVP Development
What actually has to change when an MVP becomes a product: the five things that never survive the prototype, what going global changes in the code, the order to do it in, and what it costs to keep running, drawn from operating our own products.
19 Nov 20249 min read
Latest/MLOPs
Most SaaS teams should not train a model first. This walks the ladder from popularity rules to content similarity, collaborative filtering and learned ranking, plus cold start, multi-tenancy, measurement, and how far you get without ML engineers.
12 Nov 202413 min read
Latest/MLOPs
The MLOps lifecycle stage by stage, with what to version, what to monitor and what breaks if you skip it. Covers drift, retraining triggers, safe deployment, the minimum setup small teams need, and how the lifecycle changes for third-party model APIs.
5 Nov 202413 min read
Latest/Healthcare tech development
Ambient notes, transcription, intake routing, no-show prediction and message triage ship today because a clinician reviews the output. Autonomous diagnosis does not. This guide covers the decision-support boundary, model provider data terms, audit logging, clinical evaluation and cost.
29 Oct 202413 min read
Latest/AI development
What an AI property search system is actually made of, the five places these projects stall, what drives the cost, how to measure whether it worked, and when a plain filter is the better answer.
1 Oct 20246 min read
Latest/E-commerce Development
An engineering view of AI ad targeting: the five layers a personalization system needs, why identity and event data decide the outcome, how to survive cold start, what consent really costs, and when a rules engine is the better call.
10 Sept 202412 min read
Latest/AI Agents & Automation
Most customer chatbots fail on product decisions, not models. Pick one job, connect the bot to real account context, keep someone owning the source content, make escalation reliable, and measure resolution and repeat contacts instead of containment.
3 Sept 202410 min read
Latest/Logistics & Supply Chain
Ranked by return, warehouse software wins like slotting, pick paths and exception counting beat robotics for most mid-sized sites. Data capture quality decides all of it, and the integration with your existing WMS is usually the bulk of the project.
27 Aug 202410 min read
Latest/System Design
Micro frontends solve an organisational problem, not a technical one: separate teams deploying into one interface without blocking each other. This covers the real costs, the integration options, deployment and rollback, and when a modular monolith is the better answer.
18 Jun 20249 min read
Latest/Web Development
A straight orientation to quantum computing for working developers: what qubits and interference actually do, which problems quantum hardware suits, how cloud based quantum application development works as queued jobs, and why post-quantum cryptography is the only part on this year's roadmap.
4 Jun 202410 min read
Latest/Web Development
Generative AI cut the cost of writing code and left the cost of proving it correct untouched. That asymmetry explains the shift in code review, testing, junior onboarding and estimates on web application teams.
28 May 202412 min read
Latest/Marketplace Development
<p>Explore essential strategies for scaling event marketplaces globally, focusing on market dynamics, technological foundations, regulatory compliance, marketing, operational strategies, and financial planning.</p>
16 Apr 20247 min read
Latest/Logistics & Supply Chain
How to instrument temperature-controlled freight: decide what decision the data changes, measure door events and location alongside temperature, design for lost signal with store and forward, and write alert rules from your own recorded history.
19 Mar 202412 min read
Latest/Web Development
Carbon is a measurable engineering metric, not a moral stance. This covers where a page's energy goes, how to measure it with weight budgets and Core Web Vitals, and the levers ranked by real impact.
12 Mar 202411 min read
Latest/SEO
<p>Voice search is becoming increasingly popular, making it essential for web developers to optimize their websites for voice queries. This blog will cover the basics of voice search, its importance, and practical tips for making your site voice search-ready.</p>
27 Feb 20245 min read
Latest/MERN STACK
A MERN-specific deployment setup rather than a DevOps culture lecture: split the React and Node deploys from one repo, run MongoDB migrations as a pipeline step, keep secrets out of the bundle, and shut Node down gracefully.
20 Feb 202410 min read
Latest/SEO
Whether a JavaScript app ranks comes down to what the crawler gets in the first HTML response. This guide covers rendering strategy, two-wave indexing, links, head tags, mobile bundle cost and how to diagnose the real problem.
23 Jan 202412 min read
Latest/E-commerce Development
An implementation guide to storefront personalization: how little you know about an anonymous visitor, when rules and segments beat a model, what real-time serving costs, where personalization belongs on the page, and why you need a permanent holdout.
2 Jan 202412 min read
Latest/Web Development
How web development actually got here, shift by shift: server-rendered pages, jQuery, single page applications, the return of server rendering, build tool churn, types, edge compute and AI assistance. Then what lasts, and how to pick a stack for five years.
7 Nov 202313 min read
We turn ideas into buildable plans in 2 weeks: clickable prototype, technical plan, fixed quote. Fixed price, credited against the build.
