TL;DR (for the busy CTO)

• AI + OCR in production: Automated GRN extraction from invoice images with direct POS insertion; moving to API-first integrations for reliability.
• Fintech delivery at pace: Month-wise roadmap execution for a lending platform; contract formalization, sub-domain hygiene, EMI calculators, and investor-ready demos.
• Commerce that scales: Category/catalog clean-up, OTP/login hardening, payment gateway alignment, and AWS migration plans to stabilize performance for jewelry/retail brands.
• Service marketplace ops: WhatsApp-first OTP fallback, biometric/face auth, proto-cart, vendor activity notifications, and finance dashboards.
• Ops you can trust: Incident learnings → DCP (Disruption/Disaster Contingency Plan), monitoring, and a structured release cadence.
• Modern stack, sane defaults: Node.js, React, Docker, Redis, MongoDB, CI/CD, Twilio/Exotel/OneSignal, and vendor add-ons like Qwikcilver, CCAvenue, Envato components.

Fintech: Lending workflows that pass the investor sniff test

What we shipped & scoped

• Month-wise builds leading up to a Month-5 demo for stakeholders.
• EMI computation surfaces and roadmap evaluation for advanced filters.
• Sub-domain cleanup (brand-consistent domains for audit readiness).
• Agreement/contract workflows (Zoho e-sign, alternatives when required).

What we hardened

• Authentication & OTP (with DLT sender-ID realities clearly communicated).
• Exotel call-log mapping: internal SIDs → human-readable status taxonomy (queued, in progress, completed, failed, busy, no answer).
• DCP (Disruption Contingency Plan) to reduce downtime and lost days.

Tech notes

Node.js services, React front-ends, RESTful integration to telephony providers, payment gateways, and prospective gift-card APIs like Qwikcilver. Release strategy that decouples “investor-demo features” from “post-Month-5” roadmap to protect timelines and budgets.

Why it matters: Fintech rollouts fail when compliance, data lineage, and stakeholder comms are afterthoughts. Our approach bakes in contract hygiene, release gates, and forensic status mapping so the product narrative is traceable and defensible.

AI + OCR: GRN automation that actually posts into your POS

The challenge

A retail operator wanted Goods Receipt Note (GRN) data extracted from varied supplier invoices and posted into their POS — but the DB dump contained internal references (ENTREF, BATCHNO, PRODID…) that made direct writes fragile.

Our approach

• Productionized OCR + parsing for line-items, totals, and vendor metadata.
• API-first handoff: aligned on POS endpoints instead of brittle direct table inserts.
• Iterative demos with real bills; moved from “it reads accurately” to “it posts safely.”

Tech notes

AI/OCR pipelines with validation layers → idempotent POS upserts. Clear separation of extraction → normalization → posting, with fallbacks and re-try queues.

Outcome: A working GRN pipeline ready to scale beyond invoices — a foundation for automating other back-office documents without fighting hidden DB dependencies.

Multi-tenant commerce & CRM: from onboarding to go-live resilience

What clients asked for

• Self-serve onboarding flows that can spin up live storefronts with restricted theming controls.
• Category & catalog stabilization, OTP/login hardening, reliable payment configuration, and AWS migration for stability and performance.

What we delivered

• Onboarding form + CRM mockups and demos.
• Code audit & clean-ups: removed redundant packages, fixed env misconfig, restored order visibility, and clarified what’s dashboard-configurable vs .env only.
• Aligned on gateways (CCAvenue active; Razorpay removed), OTP via Twilio, Nodemailer for email OTP; Gupshup removed to avoid drift.
• Bulk uploads verified alongside auto-assignment to collections, styles, colors.
• Address: Get Current Location flagged as a major UX blocker and triaged.

Stack highlights

Node.js 22, React (latest), MongoDB 6.x, Docker 27.x, Ubuntu 24.04, Redis cache; CI/CD baked into releases. OneSignal for push, Twilio for OTP, CCAvenue payments; Shopify/Shiprocket CSV flows where applicable.

Why it matters: Commerce fails in the seams between catalog, payments, and logistics. Our audits and migrations focus on observability, configuration clarity, and zero-surprise deployments so marketing teams can run without engineering babysitting.

Service marketplace (super-app): trust, throughput, and tactical UX

Feature slate shaped with operators

• WhatsApp-first OTP (fallback to SMS/normal OTP only on failure).
• Biometric/face authentication for trusted device re-entry.
• Proto-cart so users can “see what’s added” before checkout.
• Vendor activity notifications, completion forms, and job-flow confirmations.
• Smart UI fixes (submit buttons, icon assets, video loops, bilingual reel parity).
• Operational constraints: stack sizes and duration math that match real staffing.

Admin & reporting

• Finance dashboards with sort/filter/export.
• Remove noise (join/start events); focus on completion/cancel/reschedule and vendor events.
• Launch-planning with split invoicing and date realism (holidays, prep lead-time).

Outcome: A roadmap that respects how operations actually work — less friction, faster approvals, fewer surprises.

Security, reliability, and DevOps: what we standardize

• DCP: incident protocols, rollbacks, and comms to avoid “lost days.”
• Environment hygiene: what lives in the dashboard vs what must remain in .env.
• Package discipline: remove legacy SMS/PG codepaths, stabilize versions, document what’s client-owned vs PupaClic-owned.
• Observability: app/device states (e.g., low-battery behaviors on certain OEMs), handshake integrity, and data-loss prevention for encrypted flows.
• Access & roles: explicit admin/SEO roles in panels; controlled onboarding to reduce lateral risk.

Integrations we work with (and why)

Telephony & messaging: Exotel (call logs & recordings for QA), Twilio (OTP), OneSignal (push).
Payments & commerce: CCAvenue (active), Razorpay (removed by choice), Shopify CSV/Shiprocket alignments.
Identity & auth: WhatsApp OTP front-door, SMS fallback, face/biometric for trusted devices.
Gift cards & loyalty: Qwikcilver evaluation for voucher flows.
Cloud & infra: AWS migrations with security + infra audits, Dockerized services, Redis caching, CI/CD.

We favor battle-tested providers, clear SLAs, and reversible architectures over flashy lock-ins.

Our product engineering playbook (condensed)

1. Discovery → Contract hygiene: Bound scope, signable agreements, month-wise milestones.
2. Audit → Baseline: Code, infra, security posture; remove dead integrations.
3. Sane defaults: Env separation, access roles, monitoring, logging.
4. Build for demoability: Investor/stakeholder demos that don’t derail core timelines.
5. Ship in slices: OTP/auth first, then payment & catalog integrity, then growth features.
6. Protect ops: DCP, run-books, and clear status taxonomies for support teams.
7. Scale safely: Migrate to AWS when the data tells us you’re ready — not before.

FAQs

Do you support both AWS migration and ongoing DevOps?

Yes. We audit, migrate, and then operate with CI/CD, observability, cost controls, and DCPs.

Can your OCR pipeline integrate with my POS/ERP?

We prefer API-first integrations with validation and idempotent upserts to keep your master data safe.

How do you approach authentication and OTP?

We deploy WhatsApp-first OTP with SMS/email fallbacks, and can add device-bound biometric/face auth for trusted sessions.