Backend development. Solving scaling issues. Quality insurance.• Initially commissioned for a research / proof of concept side project, and kept as full time dev;• Oversaw hosting, logs, took part in research, product design, tech design, code reviews;• Handled most non-trivial bug investigations and fixes (memory leaks, logic, data coherence);• Developed backend features, notably purchase processing, maintenance scripts, Oauth2 API;• Kept documentations and Github issues up to date, fixed frontend bugs and warnings;

• Initially commissioned to write a small custom update, and kept as full time dev;• Adapted to low budget constraints by hosting everything on an Ubuntu VPS• Configured the VPS using Nginx to host 2 Wordpress and the platform, set Exim4 email server• Notably wrote phone number based registration feature, fixed Facebook video embeds, tweaked embedded Facebook videos to auto-play (similar to Twitter’s feed), async backend media re-encoding (similar to Youtube), Frontend video encoding before upload to avoid users waiting too long (similar to what Discord started doing in 2023).

Various short / medium term missions, such as chat bots, Paypal payment processing, see:https://www.upwork.com/freelancers/~01f90675ffeed955f1.

Fixing personal computers and maintaining local companies' systems.