Available for select workPakistan
Builder ofproduction‑gradeAI products.
I'm Ubaidullah — a senior product engineer who ships AI features to real users. Currently at Tututor.ai, where 17,000+ students and teachers use what I build daily.
U
AvailableUbaidullah
Pakistan · Remote
ReactNext.jsTypeScriptNode.jsMongoDBWebSocketsOpenAIClaudeTailwindFramer MotionRedux ToolkitStripeReactNext.jsTypeScriptNode.jsMongoDBWebSocketsOpenAIClaudeTailwindFramer MotionRedux ToolkitStripe
Selected work
Real products, real users, real outcomes.
A few of the products I've shipped end-to-end. Each one is a case study, not a screenshot dump.
LiveNov 2023 — Present
Tututor.ai
AI-native education platform used daily by 17,000+ students and teachers.
ReactNode.jsExpressMongoDBWebSockets+3
17,000+
Students & teachers
90–95%
Lesson-prep time saved
1
Person
0→1
AI features
in-progressMar 2026 — Present
Nobuko Japan
Multi-provider AI voice agent and live supervision platform for a Tokyo-based used-vehicle exporter.
ReactNode.jsExpressMongoDBWebSockets+5
ShippedDec 2024 — Jun 2025
Insight-X
AI business analytics for MedSpas — generates custom dashboards from any data shape.
ReactTailwind CSSChart.jsD3.jsOpenAI API+3
ShippedSide project
AI Humanizer
AI text humanization SaaS — multi-LLM pipeline that bypasses ZeroGPT detection, with Stripe billing baked in.
ReactNode.jsExpressMongoDBOpenAI+4
ShippedSep 2023 — Apr 2024
Jurri
Enterprise cloud storage + multi-email management — built for teams that have stopped trusting Drive.
ReactRedux ToolkitRTK QueryNode.jsExpress+1
ShippedJan 2023 — Aug 2023
Yaksport
Sports training-camp booking platform — 100+ Danish clubs, multilingual, fast search.
ReactTailwind CSSi18nextReact RouterREST APIs
ShippedNov 2022 — May 2023
Crown Kabab
E-commerce restaurant platform — Stripe, OAuth, bilingual, end-to-end ordering.
ReactRedux ToolkitRTK QueryStripeGoogle OAuth+1
ShippedSide project
Animated Landing
A landing page that proves you can have complex motion and still hit a 95+ Lighthouse score.
ReactTailwind CSSFramer MotionGSAP
Track record
Where I've been shipping.
Four years of building production web applications — first as a junior turning into a team lead, now owning architecture and AI features end-to-end.
- Mar 2026 — PresentTokyo, Japan (Remote)
AI Voice Agent Developer & Full-Stack Engineer · Part-timeNobuko Japan
Owning AI and automation end-to-end at a Tokyo-based used-vehicle exporter shipping to the UK, Ireland, Cyprus, and Pakistan. The existing team maintains the legacy CRM; I handle everything voice-AI and automation, frontend through backend. Currently in demo phase, validating before full production rollout.
- Built a pluggable multi-provider voice agent — Gemini Live alongside a custom ElevenLabs + STT pipeline; users pick the model, the voice, and bring their own API keys.
- Shipped live agent supervision — human agents listen to AI calls in real time, see streaming transcripts, inject context to steer mid-call, or take over entirely.
- Built the campaign system — Excel contact import, campaign builder, outbound SIP calling at scale through the company's SIP server.
- Designed the full audit trail — every call's audio, transcript, exact prompt, supervisor actions, and QA review stored and fed back into prompt improvements.
ReactNode.jsExpressMongoDBSIPGemini LiveElevenLabsSTT / TTSPrompt engineering - Nov 2023 — PresentMurcia, Spain (Remote)
Full-Stack / Product EngineerTututor.ai
Building an AI-native education platform serving 17,000+ students and teachers across schools in Murcia, Spain. Reduced lesson-prep time by 90–95% via AI-generated content. Own architecture for AI services, the school CRM, and core student experience.
- Designed and shipped an AI chatbot system letting teachers spin up topic-specific tutors; teachers review student conversations to surface gaps.
- Built AI quiz generator with automatic grading and per-class performance analytics on top of lesson content.
- Architected the school CRM (students, classes, content) so admins manage everything from one platform.
- Migrated heavy AI flows behind WebSockets + a microservices boundary to keep teacher UX responsive under load.
ReactNode.jsExpressMongoDBWebSocketsMicroservicesOpenAI APIElevenLabs API - Jan 2022 — Jan 2024Viby, Denmark (Remote)
React DeveloperDanzee Tech
Joined as a junior, grew into the go-to for new teammates and feature owner across two years. Frontend-led but owned chunks of Node/Express — JWT auth, payments, third-party integrations.
- Built an internal component + hooks library that became the team's default ship surface, cutting handoff churn on new screens.
- Diagnosed and fixed query/indexing hotspots when API latency spiked under load.
- Shipped frontend for Jurri (cloud storage + multi-email platform): drag-and-drop uploads, unified inbox, password vault.
- Code-split + lazy-loaded the bundle to drop initial load ~40%.
ReactRedux ToolkitRTK QueryNode.jsExpressMongoDBJWTStripe
How I think about the work
Four things I won't compromise on.
01
Ship to users, not to portfolios.
Every project on this site is in production with real people relying on it. Demo-quality code is a different sport.
02
Architecture is the feature.
The hard part of an AI feature isn't the prompt — it's the streaming, the storage shape, the failure modes, the latency budget.
03
Design is part of the job.
Most of my work has been at startups without a designer. I've learned to think in flows before I think in components.
04
Speed is a feature for the user, not the developer.
I'll optimize the bundle, the queries, and the layout shift — because users feel slowness even when they can't name it.
Get in touch
Have something worth building?
I'm open to a small number of senior product engineering roles and AI engineering engagements. If you're shipping to real users, let's talk.