Thomas Demoncy

Software Engineer | Nest | Next | Rails 🏔️

Salaire / Taux journalier

Marseille, France

Freelance, ouvert au CDI

Peut venir sur site

Expertises

ReactJavascriptNestRuby on RailsTest Driven DevelopmentDéveloppement FrontendData AnalysisDéveloppement FullstackNodeRubyMongoDBSwagger/OpenAPIVercelStratégie ProduitRESTful APIsGitHubProduct ManagementUser ResearchWeb AnalyticsUX Product DesignTypescriptUI Product DesignHeroku

Langues

AnglaisFrançais

À propos

Introduction

I am a Full Stack Developer who combines a passion for building innovative solutions with a background in product development.

Liens

Expérience de travail

Software Engineer

Billi.so

sept. 2025 - Présent

1 an 2 mois

Marseille, France

Working as the main software engineer on a saas to help agencies manage better their workers on missions, generate invoices without hassle. I work autonomously with a product mindset by scoping the problem with clients to be sure we're working on the right problem. I implement the AI agent set-up to help the project development and the prospection. Ruby on Rails - Next.js - Github - Scalingo - Vercel

Thomas Demoncy

avr. 2020 - Présent

6 ans 7 mois

Full-Stack Developer

déc. 2023 - Présent

2 ans 11 mois

After a change in my career, I started helping companies on software development.

Product Manager

avr. 2020 - nov. 2023

3 ans 8 mois

Remote, Oregon 97458, États-Unis

Helping start-ups on: - End-to-End Product Management - User research - Delivery

Backend Developer

KarbonAlphaFreelance

sept. 2024 - sept. 2025

1 an 1 mois

À distance

Implemented scalable microservices using NestJS to streamline partner financial data integration, processing, and analytics. Successfully developed robust ETL pipelines that enhanced data quality and accessibility while reducing integration time. Micro-services built with: • NestJS, Jest, TypeORM & PostgreSQL Following mostly Penelop standard for financial data.

Coach Product

WILLA

mai 2021 - sept. 2023

2 ans 5 mois

Remote, Oregon 97458, États-Unis

Product Manager

Greenly | Certified B Corp

nov. 2022 - janv. 2023

3 mois

Paris, France

Greenly is Carbon Account Platform. We accompagnied our customers to measure, manage then reduce their CO2 emissions. Joined as 3rd PM to restructure the Data squad: - Implemented Carbon accounting rules to meet GHG reporting structure, to reduce the Climate Experts time-to-produce a GHG report. - Re-shaped Product and Engineering delivery processes to meet our bi-weekly goals. - Improved internal communication between stakeholders on data management topics. I was part of a lay-off with most of the Product and Design team.

Product Manager

Plato

avr. 2021 - nov. 2022

1 an 8 mois

San Francisco Bay Area · Remote

Plato is Engineering and Product Management Mentorship platform. We helped our customers' employees find the right mentorship so they can achieve their career goals. I was part of a 3 PMs team that was delivering a product with a maintained NPS Score of 50+ and helped the company MRR grew from $3M to $4M.

Coach Product

Incubateur HEC Paris

mai 2021 - janv. 2022

9 mois

Head of Growth

Yespark

mars 2019 - avr. 2020

1 an 2 mois

Paris, France

Yespark is an European leader in connect parking spot rental. Joined as second marketing FTE (after the CMO) In charge of the customer acquisition, and overall customer funnel: - Managing growth strategy and operations with a 600K € budget and increasing +60% in subscriptions YoY with a steady CAC and LTV. - Working with the Tech team to optimize the website conversion. - Defining User Satisfaction measurement system to fuel company roadmap.


Formation

Ironhack

Web Development

2023 - 2023

3 mois

9 weeks intensive bootcamp on Web Development (RNCP certified - BAC + 3/4) Front end technologies: HTML, CSS, JavaScript, React Front end librairies: Mantine, Material UI Back end technologies: ExpressJs, NodeJs, MongoDb, Axios, Mocha Version Control: Git, GitHub

Le Wagon

Batch 203, Web development

2018 - 2018

1 an

Le Wagon is a coding school for entrepreneurs and creatives with 500+ international alumni network. We run 9-week coding bootcamps in Paris, London, Amsterdam, Barcelona, Brussels, Lisbon, Lille, Bordeaux, Marseille and São Paulo. We teach Ruby, Ruby on Rails, HTML/CSS, Javascript, SQL, soft skills and all the best practices to build your own web product. Above all, we are creating an amazing community of tech learners.

KEDGE Business School

Master's degree

2014 - 2018

5 ans


Licences et certifications

Product Masterclass: How to Build Digital Products

Délivré le : janv. 2019

Certifié par Product School

Become a Product Manager

Délivré le : janv. 2019

Certifié par Udemy

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