Description

English version bellow

Bonjour, je m’appelle Oréliau.

Je suis passionné par la transformation des idées en réalité grâce à un code efficace et un design soigné.

Si vous souhaitez donner vie à votre vision et en faire une expérience digitale fluide, discutons-en !

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Hi there, I’m Oréliau.

I’m passionate about transforming ideas into reality with efficient code and delightful design.

If you need to turn your vision into a seamless digital experience, let’s connect!

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Rennes (up to 50km), Rennes (up to 50km), Nantes (up to 50km)

Gens de Confiance
Senior Software Engineer
SOCIAL NETWORKS
April 2025 - July 2025 (3 months)
Nantes, France
• Managed production app releases for 500,000+ monthly active users, maintaining >99% uptime and smooth deployments across platforms
• Implemented a global CDN, cutting average response time by ~30% and improving app load performance for international users
• Delivered core mobile features for the Vacation business unit, increasing daily active usage by ~15% and supporting seasonal revenue growth
ReactNative Fastlane redux Datadog Sentry
PayBack
Software Engineer
HUMAN RESOURCES
October 2024 - December 2024 (2 months)
Paris, France
• Optimized app performance, reducing interaction response time from 1–2 seconds to ~200–300ms, significantly improving user experience
• Researched and defined a unified UI design system for web and mobile, ensuring consistent brand identity and faster development cycles
• Implemented backend event-driven features, enabling real-time updates and improving system scalability
React Native Next.js Node.js Temporal GraphQL
Jellysmack
Senior Software Engineer
SOCIAL NETWORKS
March 2022 - February 2025 (2 years and 11 months)
Paris, France
• Built internal web apps (login system and dashboards) to manage loan offers for creators, streamlining operations and reducing manual workload by ~25%
• Developed creator-facing web apps with authentication and digital contract signing, accelerating partnership onboarding by ~40%
• Designed and delivered a mobile app with a modern UI/UX that enabled users to seamlessly repost social media content across platforms, boosting cross-platform reach
React Native Next.js Terraform Datadog Fastlane