Christopher Techer

Fullstack Developer | Product Builder | AI & Automation

Data EntryBusiness Development ManagerProduct DesignerUX/UI Designer🐦 DesignCopywritingCustomer ServiceEmbedded DeveloperDatabase DeveloperSolution IntegratorWeb DeveloperProduct ConsultantFounderAdvisorITStartup FounderSales & BizDevMarketingBusiness Owner

I’m a fullstack TypeScript developer with a strong background in business and entrepreneurship. I build complete web and mobile applications from idea to production, combining modern technologies (React, Next.js, Node.js, Supabase) with automation tools (N8N, Make) and AI systems (OpenAI, GPT-4, Claude). I regularly design AI-powered workflows using APIs, prompt engineering, and automation tools to solve real business problems and optimize processes. My strength is building real products, not just features — I focus on scalability, automation, and user experience. Recently, I’ve worked on: a vehicle rental marketplace with payments and real-time features a ride-hailing mobile app with geolocation and in-app payments AI-powered automation systems for resume processing and lead generation I’m looking for opportunities where I can build impactful products and leverage AI to solve real-world problems.

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Work Background

Fullstack / Mobile Developer

tukmeFullstack / Mobile Developer

Jan. 2026France, ParisDeveloping a ride-hailing mobile application with real-time features and in-app payments. Built the mobile app using React Native (Expo) Integrated geolocation and route tracking with Google Maps API Implemented Stripe PaymentSheet for in-app payments Developed backend logic with Supabase and Edge Functions Managed push notifications and driver/passenger flows

Fullstack Developer

RentanooFullstack Developer

Aug. 2025France, ParisDeveloped a fullstack vehicle rental marketplace from idea to production. Built the frontend with React and the backend with Node.js and Supabase Integrated secure payments with Stripe (Checkout + webhooks) Implemented real-time messaging using Supabase Realtime Created an admin dashboard for booking and user management Designed automation workflows using N8N (PDF generation, notifications)

Sales Manager

CEFORASales Manager

Jan. 2025• Management of a team of 7 sales representatives — development of the product portfolio and certified training programs • Deployment of 3 automation systems: intern onboarding, AI resume analysis, automated prospecting (N8N + MAKE + GPT-Vision) • Scraping + enrichment of 1,200 companies/week via Pappers, Dropcontact, Hunter.io Results: ✓ +60% response rate after application submission · -40% time-to-first-call after application ✓ +70% prospecting volume per sales rep · +40% reply rate on personalized outreach emails

Sales Manager & Product Manager

Gamme SUNTORY — MayotteSales Manager & Product Manager

May. 2024• Management of SUNTORY commercial strategy in Mayotte with full digitalization of tools • Mapping of 600+ geolocated prospects, interactive WhatsApp Business catalogs, automated e-prospecting • Recovery of the local OASIS market against Coca-Cola, securing 2 public contracts Results: ✓ €300,000 in revenue in 4 months · 35 new B2B accounts opened · B2C segment launch

Teacher

Economics & Management — STMG Marketing TrackTeacher

Jan. 2022• Teaching economics, business law, and management with real-world entrepreneurial case studies • Mentoring students on entrepreneurial projects and market analysis

Founder & CEO

BIG ASSISTANCE MULTIMEDIAFounder & CEO

Jan. 2017 - Jan. 2021• Founded and led an IT and business solutions company for SMEs • Business development, operations management, and marketing strategy

Sales Manager

ADA Location MayotteSales Manager

• Development and management of client portfolio, prospecting, customer retention, and commercial KPI tracking

Requests

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Personal Pitch

Modern apps, AI automation & workflow systems

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