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Manjot Bhoot

@manjotbhoot

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Full-stack engineer building GhostAI and Callwyn, with GhostAI growing to 50+ registered users.

United Kingdom

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What I'm looking for

I want to grow into a broader engineering role in a small startup.

I built and run GhostAI, an AI-powered CV tailoring and interview coaching product that has grown to 50+ registered users. I designed its Supabase data model and usage tracking, and instrumented the user funnel with session recordings to guide product decisions.

With Callwyn, I built and run an AI voice receptionist for UK tradespeople. I created a Vapi voice agent that answers calls, books appointments and captures leads, and built the supporting webhooks and site; the product is pre-revenue.

At Sparta Global / Capgemini, I worked on client-facing enterprise migration projects, using PySpark in Databricks to transform and analyse datasets and reducing manual processing time by approximately 40% on key workstreams. I also developed ETL pipelines and Python validation scripts, and presented data-quality findings to client representatives.

Experience

Work history, roles, and key accomplishments

Current

Founder & Full-Stack Engineer

Current

Callwyn

Jul 2026 - Present (3 months)

AI voice receptionist for UK tradespeople; built and run solo using AI-assisted development. Built a Vapi voice agent that answers calls, books appointments and captures leads.

VAPI GPT 4.1 NodeJS Serverless Netlify Functions Resend HTML CSS JavaScript GitHub GA4 GDPR Stripe Email Authentication A B Testing

Current

Founder & Full-Stack Engineer

Current

GhostAI

Nov 2025 - Present (11 months)

AI-powered CV tailoring and interview coaching SaaS; sole architect, developer and operator. Designed the Postgres data model and built Stripe subscription billing with webhook automation.

Next.js React TypeScript PostgreSQL Supabase Stripe Webhooks NodeJS Serverless Analytics Session Recordings Funnel Analysis Role Based Access Control

Data & AI Consultant

Sparta Global / Capgemini

Jan 2025 - Feb 2026 (1 year 1 month)

Data engineering and analytics across client-facing enterprise migration projects. Used PySpark in Databricks to transform and analyse large-scale datasets, reducing manual processing time by approximately 40% on key workstreams.