Samani Mukhtar

Software engineer and founder. London, UK ·

I build production AI systems and reliable platforms in Python and TypeScript. I've built multi-agent RAG workflows spanning 50+ tools at RhinestoneAI, LLM infrastructure at Montelo, and led the Uber integration and authentication migration at Turo. Most recently I took PolyFundr to 5,000 users and 6-figure ARR as the sole engineer. I own projects from requirements and architecture through deployment and production support.

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Experience

Founder · PolyFundr
May 2026 — Present
- Built and launched a prediction-market trader funding platform as sole engineer, reaching 5,000 users and 6-figure ARR, with 500 paid evaluations.
- Built evaluation and risk systems, trading workflows and admin tooling in NestJS, Next.js, PostgreSQL and WebSockets, with error handling that kept the service up through Polymarket API failures.
- Owned product, launch and marketing alongside sole responsibility for engineering.
Senior Software Engineer · Turo
Oct 2024 — May 2026
- Built an internal AI agent that connects a docs knowledge base with New Relic, Temporal and Twilio to investigate on-call tickets and bugs.
- Led Login with Uber from design through rollout, delivering a 25% lift in driver conversion for an integration serving 100K+ renters; built the account-linking APIs and web login and coordinated iOS and Android delivery.
- Built Kubernetes infrastructure and custom OAuth migration flows for WSO2, supporting 3.5M users across web and mobile with Terraform, Docker and Argo CD.
- Implemented passwordless Autologin, used by 80% of new drivers to book before signup, plus New Relic dashboards and alerts across authentication and onboarding.
Co-Founder and Engineer · Montelo
Mar 2024 — Sep 2024
- Delivered a custom integration for the first paying customer, translating their requirements into a production LLM workflow.
- Built Python backend services for an LLM fine-tuning and observability platform, with serverless training workflows using Axolotl and Modal.
Founding Engineer · RhinestoneAI (now Steel)
Jul 2023 — Mar 2024
- Built a natural-language AI search engine for the crypto market: a Python text-to-SQL system using multi-agent RAG to select from 50+ tools.
- Enabled sub-second aggregations across billions of rows using Rockset, with vector-database query caching.
- Shipped the product frontend and a custom command palette with Next.js, Radix UI and TypeScript.
Senior Software Engineer · Railvision Analytics
Jan 2023 — Jul 2023
- Rebuilt the GraphQL API from scratch to support real-time AI data and frontend requirements.
Intermediate Software Engineer · Clutch
Aug 2021 — Jan 2023
- Designed distributed job scheduling with Kafka, RabbitMQ and AWS for ML training and email delivery.
- Increased event-processing throughput 5x by optimizing event streaming infrastructure and Elasticsearch.
- Reworked delivery and pickup scheduling, cutting reschedules by 45% and lifting checkout conversion by 20%.
Software Engineer · TrustedHousesitters
Sep 2018 — Sep 2019
- Built features across the React Native mobile and web apps, including Google Maps with custom pins and clustering.
- Set up end-to-end testing with Detox and increased unit test coverage by more than 20% across the codebase.
- Set up native app linking on iOS and Android, so links open straight into the app.