Alban Dericbourg

Offering services as freelance senior software engineer Main focuses • Backend software engineering • System design • Observability, service reliability Main stack • Java • SpringBoot • RDBMS (MariaDB, PostgreSQL) • Kubernetes Extra skills • Facilitation • Mentoring • NonViolent Communication

► Search Squad (Apr. 2021 - Oct. 2024) Full-stack team Scoped on driver the search user experience, from their will to travel to choosing the most relevant ride, matching their preferences • Coordinated from discovery to rollout product projects, including 9-months programs involving 4 teams • Focused on improving the team's services reliability: improve processes and observability for running services, improve the design process for new ones • Revamped the architecture to adapt it to the company's scale and path to multimodality; coordinated the transition to that architecture #NoRewrite • Pioneered in the SLO implementation: worked side-to-side with the SRE team to implement the first technical SLOs and then Feature SLOs to improve our users' experience modelling accuracy; contributed to onboard other teams in the process • Initiated Open Spaces ("Forum ouvert") for the backend team to create connections between team members and boost cooperation • (and of course!) Contributed to the day-to-day delivery of the team ► "Monetization" team (Sept. 2019 — Apr. 2021) Backend-only team, closely working with frontend teams Scoped on computing carpool passenger fees and orchestrating the purchase flow • Contributed to releasing independent monetization services outside of a historical monolith, promoting architecture and code design better practices within the team • Impulsed an SRE approach, with the main focus on reducing noise and alert fatigue during on-call shifts • Side-mission focused on team, tooling, and application performances • Mentored a younger team member ► Side projects 2021 — I led the definition of the new backend hiring exercise (live coding), with 6 other contributing engineers. We focused on the exercise's fairness and designed it to maximize equality of chances. The interview is designed to feel like a day-to-day job at BlaBlaCar and heavily promotes teamwork, which helps assessing soft skills.

Exercism.io lets people learn a language through exercices that are reviewed by mentors. I contribute as a mentor for Scala and Java tracks.

► "Observability" team (2018 - 2019) Team in charge of observability tools (logging, metrics, distributed tracing) As the only developer in the team, I: • Pushed to design user-oriented APIs for the team's libraries • Contributed to observability components (including open-source, like BigGraphite for instance) • Promoted development best practices (designing, coding, testing and reviewing) • Organized Scala workshops to ramp-up my teammates on this language ► "Scalability" team (2017 - 2018) Interface between SRE teams and feature teams, team focused on service discovery and metrics. As a member of this team, I: • Lead migration from an in-house metric aggregation tool to Prometheus (including communication and synchronization with other teams) • Contributed to the definition and release of a way to uniquely identify an application from a code point of view • Worked as support for JVM-related issues ► Criteo Dynamic E-mail (2016 - 2017) Design, development and maintenance: • Deliverability-oriented tools (ability to deliver an a-mail into inbox and not into spam box) • E-mail templating In all those teams: bootstrapped team retrospectives.

Development and maintenance of APIs consumed by content providers Personal achievement in this team: • Set-up of configuration management and automatic deployment

► RATP (oct. 2014 - apr. 2015 • 7 months • Noisy-le-Grand) Rework of software factory: • Gather feedback • Set-up tools (Jenkins, Sonar, Artifactory, Gitlab, Redmine) • Design and write documentation (including checklists) • Lead trainings • Bootstrap user support ► Darty (jul. 2013 - oct. 2014 • 16 months • Bagnolet) Contribution to spliting a monolith to (micro) services as a developer: • OMS layer (management of orders) • Availability layer (ability for Darty to delivery a given product in time) Setup monitoring (logs and app metrics) ► Digiplug (dec. 2012 - jul. 2013 • 8 months • Paris) Business management for releasing UMGI records. • Backend development • Setup testing environment

Consulting company providing custom management applications.