Ronnie Heritiana RABENANDRASANA
Senior Ruby on Rails Developer
5 recommendations
Salary / Daily rate
5 people recommend
Paris, France
Freelance
Remote only
Skills
Languages
About me
Intro
Senior Ruby on Rails Developer with 16+ years of full-stack expertise, specializing in automated processing systems and API development. Led technical teams at PurchEase, delivering fraud detection systems and managing multi-million user platforms across North America and Europe. Ready to solve your complex digital challenges with proven Rails mastery since 2009.
Work experience
Full Stack Developer
BAMBOO CONSULTING, SLUFreelance
Mar 2025 - Present
1 year 8 months
Paris, France
Senior Tech Squad. High-Level Tech Partner BAMBOO CONSULTING supports founders, scaleups and internal teams at critical moments, when deep expertise, structure and velocity are non-negotiable.
Back End Developer
CoffreoFreelance
Mar 2025 - Present
1 year 8 months
Paris, France
Developing, testing and maintaining, with agile methodology, systems which: • Helps temporary employment agencies structure and enrich their talent pool by centralizing all their existing data and cross-referencing it with external sources such as France Travail. • Provides temporary workers with a board of job offers to apply for
Senior Ruby on Rails Developer
RonnieOnRails.comFreelance
Apr 2024 - Present
2 years 7 months
Paris, France
Ruby on Rails expertise since 2009, open to Freelance jobs to support your projects. Passionate about digital problem solving, user experience and satisfaction.
PurchEaseFreelance
Apr 2012 - Present
14 years 7 months
Paris, France
Full Stack Developer & Project Manager
Apr 2024 - Present
2 years 7 months
Paris, France
Customer Loyalty in Major Food Retailers, Cosmetics and Construction (see detailed missions below)
Project Manager
Apr 2017 - May 2024
7 years 2 months
Paris, France
(Full-remote in La Réunion (French overseas territory) between 2018 and 2022) • Leading a technical team dedicated to project development and maintenance • Creating processes for technical interventions related to user support • Deploying a system for reading and extracting purchase proofs for clients in Cosmetics sector in North America (USA, Canada) and Europe (France, Portugal) • Supporting clients in their journey with their own users • Collaborating with the marketing team for offer setup (content, targeting) • Managing projects with outsourcing partners
Full Stack Developer
Apr 2012 - May 2024
12 years 2 months
Paris, France
• Developing, testing, and maintaining, with agile methodology, systems for: - Automated processing and detection of products from paper and electronic purchase proofs - Management of marketing and cashback offers - User fraud detection • Developing APIs for internal needs (mobile applications, back-office) and clients • Developing web interfaces and backend solutions for outsourced manual tasks • Developing and maintaining back-office features for clients and internal teams (sales, marketing, IT and user support)
STUDIOFreelance
Mar 2022 - Jul 2024
2 years 5 months
On-site
Live Video Operator / Event Video Technician
Apr 2022 - Jul 2024
2 years 4 months
On-site
Live electronic music event coverage across Europe (STUDIO Invites, Liquicity Festival, Blackout, Get In Step, EDGE, Ohlala Festival) • Set up and configure fixed and mobile cameras on site to capture all angles of the event • Live video capture, including handling mobile cameras for dynamic and immersive shots • Live video direction, real-time editing and mixing for screen projection or streaming • Dismantle and pack up equipment after the event
Staff
Mar 2022 - Jul 2024
2 years 5 months
Paris, France
Organization of STUDIO Invites parties and electronic music festivals in Paris and surrounding areas (Petit Bain / Le Chinois / Sand Fabrik…) • Build line-ups • Event promotion • Artists reception and backstage management • On-site ticketing management
Full Stack Developer
Sequence Technologies
Feb 2011 - Mar 2012
1 year 2 months
Montreal, QC, Canada
Web agency • Developed Material Analysis Tool, a web application for classifying construction and renovation products, commissioned by McGill University for industry professionals • Developed the showcase website for the American video game studio THQ’s Montreal branch • Maintained and improved a real-time Twitter news analysis tool
Full Stack Developer
Enseigne Maintenance Réunion
Jul 2009 - Oct 2010
1 year 4 months
Sainte-Marie, La Réunion (French overseas territory)
Manufacturing of Illuminated Signs, Vehicle Wrapping, and Custom Signage • Developed modules for Osirails (an open-source web ERP created by the company's IT department for internal and SME use): • Developed a commercial document generation system (quotes, invoices, proofs, etc.). • Developed Journalization, an open-source plugin for logging ActiveRecord objects • Upgraded the project from Rails 2.1.0 to 2.2.3 and implemented internationalization
Full Stack Developer
ELLIPSE Informatique
Aug 2008 - Jul 2009
1 year
Saint-Denis, La Réunion (French overseas territory)
Sales, Consulting, and Training on Accounting and Business Management Software • Developed Windows and web applications for converting supplier invoices into customer invoices and quotes into delivery notes • Created statistical reports in Excel using ODBC database connections
Education
SUPINFO
Master of Science (M.S.)
2007 - 2012
5 years 1 month
Lycée Le Verger (Sainte Marie, La Réunion, (French overseas territory))
Scientific baccalaureate (mathematics option)
2005 - 2007
2 years 1 month