Senior AI Engineer
LLM features that ship: AI generation inside the product, agents and MCP servers, automation pipelines, and the API and UI around them.
Postbase: AI post creation, REST API, MCP server for agentsNabraj KhadkaFull-stack · AI · Mobile
I ship the app,and what’s behind it.
Fintech, EdTech|ERPs, health platforms, IoT solutions, ecommerce, ride‑hailing apps. Subscriptions, monetisation, backend architecture, AI tooling/automation. Flutter, Swift, Kotlin, React Native, React / Next.js, Python, Laravel.
People using my apps500,000+
Apps in production50+
Engineers led & mentored50+
Years building8+
Hire me forFounders · Teams · Agencies
One senior engineer who owns the product end to end, from the model call or the payment flow to the store listing. Remote from Kathmandu (GMT+5:45). Top Rated on Upwork, 100% Job Success.
Full-Stack Engineer
Web apps and APIs end to end: React and Next.js front ends, Python (FastAPI) and Laravel backends, PostgreSQL, Docker, CI/CD and deployment.
Sahara Care: admin, APIs, scheduling and mobile apps, idea to releaseSenior Mobile Engineer (Flutter)
Flutter, Swift and Kotlin apps from architecture to store approval, including regulated fintech: wallets, banking, SoftPOS tap to pay, eKYC.
MPB Plus passed bank security review · PayNow 50K+ usersProducts I've built|
- PostbaseMulti-platform publishing with AI post creation. Console (generate with AI and schedule), REST API, and MCP server for AI agents , post to LinkedIn, X, Instagram, Facebook, Reddit and Telegram from one connection.↗
- BroomiemacOS disk cleaner. Shipped solo: filesystem scanning, RevenueCat IAP, notarised.↗
- CommitKitHabit tracker. Built solo: Apple Health sync, home widgets, subscriptions, releases.↗
- Couple TaleRelationship timeline. Built solo: map-pinned memories, widgets and subscriptions.↗
- TearLogMood journal. Built solo: logging, charts, calendar history and the billing flow.↗
- MPB PlusRetail banking app (iOS|Android). Took the project from scratch to production and mentored the team: account opening with document verification, transfers, card controls, QR payments, and hardening that passed bank security review.↗
- PayNowDigital wallet. Led architecture and delivery: secure transactions, biometric auth, eKYC, 20+ integrations.↗
- N-CashDigital wallet. Led technical direction; cut tech debt, raised PR quality, wrote the native bridges.↗
- WinkTaxiRide-hailing app. Sole delivery lead on the revival: Google Maps, live trip sync, background location.↗
- BikeFixup PartnerMarketplace merchant app. Led development and releases for a 100K-install marketplace.↗
- Giga School ERPSchool ERP. Led multi-tenant SaaS delivery across 100+ tenants and designed the release pipeline.↗
- N-TouchSmart home automation. Led the revamp that cut delivery time: BLE and MQTT, Google Home and Alexa.↗
- Banque Misr SoftPOSPayment terminal on Android. Native SoftPOS: merchants accept card taps on their phone with NFC, processing sales, pre-auth holds, voids and refunds. Jetpack Compose UI, Kotlin, biometric auth, batch settlement.↗
- Salute PersonalePatient records. Built the app end to end: OIDC single sign-on, clinical records, document archive, store billing.↗
- Sahara CareElder care. Full stack from idea to release: Admin, APIs, scheduling, evv api implementation, mobile apps, caregiver workflows, HIPAA handling.↗
- AirzaiIoT fragrance diffuser. Owned the native (SwiftUI) iOS release , feature work and production support.↗
- Dog HomeskoolDog-training platform. Built on Appwrite and Firebase, with RevenueCat billing.↗
- BalloonTeen finance app. Sole engineer end to end: feature-first Clean Architecture, CI-gated test suite.
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Have an exciting project idea? Let’s discuss and build it!
nabrajkhadka43@gmail.comnabrajkhadka.com.np