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Sacha Praljak's avatar
Sacha Praljak
11100 Narbonne, France
Founder Kryva.fr · AI engineer (Claude · Vapi · Stripe)
New to Contra
Founder Kryva.fr · AI engineer (Claude · Vapi · Stripe)
Cover image for Apollo Full-Funnel B2B Pipeline —
Apollo Full-Funnel B2B Pipeline — End-to-end prospection automation built for Kryva.fr. Enriched 50,000+ construction trade leads (SIRET, contact emails, company size, certification status), orchestrated personalized email sequences via Resend, automatic escalation to Vapi voice agent on day 7 if no email response. Stack: Apollo API for lead enrichment, Resend for transactional emails, Vercel cron jobs (12+ scheduled), Supabase for state tracking, Sentry observability with PII scrubbing (SIRET, VAT numbers, IBAN). GDPR-compliant from day 1: opt-out one-click, retention periods country-by-country, anti-fraud VAT publisher attestation. Real revenue generated through this funnel.
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Cover image for Vapi Outbound Voice Agent —
Vapi Outbound Voice Agent — Autonomous AI prospection agent built for Kryva.fr. Calls 50+ qualified leads per day, conducts natural-sounding French conversations, qualifies needs (construction trades: tiling, electrical, plumbing, carpentry), books meetings via Calendly webhooks, and escalates to human-in-the-loop when needed. Full EU AI Act art. 50 disclosure from the first conversation turn ("je suis un assistant vocal IA"). Integrated with CRM hand-off via Apollo webhooks, automatic follow-up sequences if no answer, and circuit breaker if the lead requests human contact. Production-grade: handles 200+ concurrent calls, sub-300ms response latency, fallback for accent recognition issues.
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Cover image for Stripe Connect Express Marketplace —
Stripe Connect Express Marketplace — Production-grade B2B payments infrastructure built for Kryva.fr. Features: programmatic KYC onboarding via Stripe Express accounts, automated commission computation (up to 20% MRR over 12 months), monthly payouts orchestration via Vercel cron + Stripe Connect webhooks with dual HMAC signature verification. Full EU compliance: country-specific VAT routing (FR/BE/LU/CH/DE/AT/NL/IT/ES), conditional Stripe Tax (automatic for businesses, manual for individuals), multi-currency with EUR fallback, eIDAS-compliant e-signature flow, anti-fraud VAT publisher attestation (FR CGI art. 286-I-3 bis). Real money flowing through it every month.
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Cover image for Kryva.fr (https://Kryva.fr) — B2B SaaS
Kryva.fr (https://Kryva.fr) — B2B SaaS for French construction trades. Shipped solo in 4 months: Claude tool-use agent (40+ tools, human-in-the-loop, streaming), Vapi outbound voice agent (50+ calls/day, EU AI Act compliant), Stripe Connect Express marketplace (auto monthly payouts, KYC programmatic), Apollo pipeline (50k+ leads enriched), multi-modal auth (passkeys WebAuthn + Google SSO PKCE + magic links + OTP), GDPR + EU AI Act compliance. Stack: Next.js 16 RSC + Server Actions, Supabase RLS multi-tenant, Vercel Edge runtime + cron jobs, Sentry observability with PII scrubbing, Resend, 6-language i18n, multi-country EU architecture (FR/BE/LU/CH/DE/AT/NL/IT/ES).
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Mathis Vella's avatar
Mathis Vella
Perpignan, France
Certified Bubble Expert
6
Followers
BUBBLE_EXPERT

expert

Certified Bubble Expert
Cover image for Heep
Heep
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Cover image for Kowl Tech
Kowl Tech
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9
Cover image for Mïron
Mïron
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Cover image for Fablea
Fablea
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12
Mio Ferron's avatar
Mio Ferron
Perpignan, France
French Proofreader & Translator
French Proofreader & Translator
Cover image for Translator of some Independant Video games
Translator of some Independant Video games
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Cover image for Translating cybersecurity blog
Translating cybersecurity blog
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Cover image for Proofreading and translating a Minecraft based Channel
Proofreading and translating a Minecraft based Channel
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