Steeven Tronet

Software Engineer

At Mercantile, a fintech startup, our mission is to enhance the purchasing power of SMEs through our credit card and group purchasing offer (GPO), providing access to exclusive deals similar to those available to large corporations. The platform is continuously deployed, with several daily production releases, relying on a resilient event-driven architecture that ensures smooth transactions and service availability, as we cannot afford any errors.

• Led the development of key product features, including the first automatic payment system for credit cards with reward bonuses, virtual credit cards, and external financial institution integration for personalized offer suggestions.
• Streamlined operational workflows, reducing the time required to process user opt-ins from ~20 minutes to under 2 minutes, significantly lowering processing costs and enhancing customer satisfaction.
• Fostered a culture of rapid iteration and early feedback, enabling the delivery of new features several weeks faster by prioritizing functional solutions over perfection during initial iterations.
• Participated in the on-call rotation, ensuring system health and reliability, while continuously refining alerts to minimize false positives and improve incident response.

Software Developer

Developer within an international team (France and Spain) of about twelve people for the CNFT, a French public institution aimed at designing, delivering, and organizing training and competitions for public agents. The application is an interactive portal that tracks training and competition activities.

• Participated in the development of new features and bug fixes, ensuring continuous improvement and alignment with client needs.
• Automated the build and delivery process, reducing the time required to ship new versions from several hours to just minutes, significantly accelerating release cycles.
• Introduced the team to automated testing, cutting manual testing time from several days to just a few hours before each release, improving efficiency and reliability.
• Provided application support, addressing user requests and ensuring a high level of satisfaction and issue resolution.
• Contributed to the estimation and cost evaluation of new features for client billing, ensuring accurate planning and budgeting.

Freelance Web Developer

As a self-employed web developer, I worked with a diverse range of clients, including startups, banks, companies, and associations. My responsibilities included analyzing customer needs, writing specifications, creating quotes, and performing the development and design of applications.

• Developed an intranet for a photovoltaic company to improve the quality of life for employees, including telemarketers, salespeople, and technicians. Increased customer conversion rates by developing a photovoltaic installation simulator that could be used live by the sales team.
• Engineered a proof of concept for a 3D application allowing users to design high-end furniture specifically crafted to store wine bottles.
• Crafted an order tracking tool for a handcrafted babyfoot manufacturer, helping to improve customer satisfaction by streamlining the order process.

Some of my clients :

Déveloper & Webmaster

• Develop an intranet for managing the association.
• Create multiple showcase websites for the association and its affiliated artists.