# William Guerrand

> Full Stack Developer

Location: New York, New York, United States
Profile: https://flows.cv/williamguerrand

## Work Experience
### Full Stack Developer @ Merciv
Jan 2025 – Present | New York, United States

### Full Stack Developer @ Imminova
Jan 2024 – Jan 2025 | New York, United States
- Implementing AI solutions to automate and streamline immigration management processes for SMEs.

### Full Stack Developer @ Unknown
Jan 2023 – Jan 2024 | Montreal, Quebec, Canada
- Managed various websites for small businesses such as Jaqâmaz, a music group, ensuring consistent updates and functionality.
- Revamped websites like CTH and ConfidenceToDateAgain, enhancing user experience and design. More details on my website.
- Built educational tools by publishing libraries on PyPI, namely ext2term, contributing to the open-source community.
- Developed MetroGame, an educational app that provides insights into the world of metros around the world.

### Full Stack Developer @ talent.io
Jan 2022 – Jan 2023 | Paris, Île-de-France, France
- Spearheaded key contributions that led to a 10% rise in sales turnover and an 18% increase in user retention within three months of release by enabling candidate-driven applications, and establishing a dynamic dual-facing platform.
- Enhanced code maintainability by transitioning the frontend from embedded Ruby templates (ERB) to a more scalable React architecture.
- Maintained infrastructure guild activities by supervising user loads across AWS and Heroku, ensuring high availability and efficient scaling to meet dynamic demands.

### Full Stack Developer @ Storya
Jan 2021 – Jan 2022 | Paris, Île-de-France, France
- Developed a mobile app featuring AI-powered translation tools to seamlessly convert stories into engaging multimedia content across languages, fostering diversity and inclusivity in the creator economy.
- Conducted analysis of the most appropriate NLP frameworks and automated the data collection process for training our AI model, shortening the data preparation time by 40%.

### Full Stack Developer @ CONFECTION TEXTILE HOTELIER
Jan 2021 – Jan 2022 | Paris, Île-de-France, France
- Orchestrated a complete website revamp, which reinvigorated user engagement, significantly increasing from a handful of monthly users to 500+.
- Establishing project requirements during a discovery session, designed prototype using Figma.

### Project Lead Developer @ IBM
Jan 2020 – Jan 2021
- Selected from 200 applicants to drive the IBM AI Academic Initiative, leading a team of five developers to implement an AI-powered virtual hotel management system using Watson Assistant on IBM Cloud.
- Cultivated a thriving team environment that enhanced project collaboration and delivery, credited with successfully managing the initiative, delivering on time, and above quality standards.
- Conducted a critical presentation of IBM's AI cloud solutions to product managers, offering key feedback and recommendations that were instrumental in advancing the platform's capabilities.

### Data Engineer @ COLAS DIGITAL SOLUTIONS
Jan 2019 – Jan 2020 | Vélizy-Villacoublay, Ile-de-France, France
- Led the strategy and implementation to migrate data from Azure Blob Storage to Amazon S3 Glacier Deep Archive, cutting storage costs by 95%.
- Scraped and centralized French city data in Amazon S3 Glacier, streamlining data management and improving accessibility for multiple data pipelines.

### Co-Founder & Mobile Developer @ Musion
Jan 2019 – Jan 2020 | Lancaster, United Kingdom

### Co-Founder & Software Engineer @ TreeCo.
Jan 2018 – Jan 2019 | Cardiff, Wales, United Kingdom


## Education
### Bachelor of Science Honours - BSc Hons in Computer Science
Lancaster University

### Sciences
Lycée Jean-Pierre Vernant


## Contact & Social
- LinkedIn: https://linkedin.com/in/william-ga
- Website: https://williamguerrand.com
- Website: https://github.com/Austinae
- Website: https://williamguerrand.com/

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Source: https://flows.cv/williamguerrand
JSON Resume: https://flows.cv/williamguerrand/resume.json
Last updated: 2026-04-05