Thomas Czerwonka Email & Phone Number

Paris, Île-de-France, FR

• Made a significant contribution to Coinhouse's growth by recruiting the entire team of frontend and mobile developers.
• Selected exceptional talent based on technical skills and company culture, resulting in the formation of a highly-performing team.
• Monitored team performance, identified individual and collective goals.
• Provided guidance and skill development opportunities for each team member.
• Fostered close collaboration with the product team to align technical objectives with business goals.
• Established strong relationships and seamless communication with the product team to ensure effective collaboration and delivery of high-quality products.

Paris, Île-de-France, FR

• Led the end-to-end design of the Coinhouse web application.
• Ensured a robust and scalable design to deliver an optimal user experience.
• Developed the comprehensive architecture of the Coinhouse API using GraphQL, ensuring optimal performance and enhanced security.Technical Stack: React, Typescript, GraphQL / Apollo, Ruby on Rails, PostgreSQL, Docker.

Jersey City, New Jersey, US

• Back-end stack: Rails, PostgreSQL, Rspec, FactoryBot, Guard
• Front-end stack (backoffice): ActiveAdmin, React
• CI: Travis
• Deployment of applications on Heroku

• Developed software solutions for agency clients such as L'Oréal, SNCF, Mondelez...
• Back-end stack: Rails, MongoDB
• Front-end stack: Backbone / Marionette, React
• Deployed applications on Heroku or in-house using Capistrano

Paris, Paris, FR

• Developed the iOS/Android mobile application "Book Weather," a community-based literary guide.
• Back-end stack: Rails, PostgreSQL.
• Front-end stack: Cordova.
• Retrieved book metadata from Google Books and Amazon APIs.
• Hosted the application on Heroku.
• Migrated from Heroku to AWS Elastic Beanstalk.

Paris, FR

• Coordinated the supervision of services provided by external operational teams, ensuring compliance with service commitments.
• Ensured continuous service with incident anticipation and minimal incident recovery time.
• Communicated with clients regarding incidents.
• Initiated escalation procedures when necessary.
• Participated in steering committees.
• Monitored compliance with the delivery deadlines obtained from expert teams.

SAINT-PRIEST, Rhône-Alpes, FR

• For Orange:
• Handled customer complaints using CRM tools to manage consumer customer reports. The typologies correspond to 2 categories: - TV: Live streaming, VOD, Embedded services - VOIP: SIP, H323, Messaging
• Collaborated with different Customer Care teams to develop diagnostics.
• Drafted responses to N2 (Level 2) with clear and understandable comments to provide explanations to end customers.
• Analyzed and proposed temporary solutions for blocking incidents, escalated complaints to Level 4 via CRM tool, and monitored their progress when the complexity of the issue exceeded the expertise of Level 3.
• Utilized technical English for communication with specific areas of expertise.

Hatfield, Hertfordshire, GB

• For ErDF:
• Deployment of computer workstations for new users.
• Secure data erasure when users leave the site and their computer workstations are retrieved.
• Maintenance of computer workstations to resolve hardware and software issues.
• On-site support for users, including application developers and VIPs.
• Remote takeover of computer workstations using VNC for incident resolution in users' working environments.

• For Stances Studio and Arte Live Web:
• Live sound recording for the "Soirées de Poche" (Pocket Concerts) series by La Blogothèque.
• Editing, mixing, and mastering.
• Sound design for the production of institutional films.

Villeneuve LA Garenne, Île-de-France, FR

• For various computer hardware manufacturers, including Gigabyte, HIS, Thermaltake, and Thecus:
• Writing press releases targeted at print and online computer trade publications.
• Managing relationships with specialized computer trade press and handling equipment loan requests.
• Monthly publication of a booklet for clients compiling press coverage.
• Translating technical documentation and user manuals.

• Presenting regional news, weather, and traffic information from Monday to Friday, from 6 AM to 12 PM.
• Conducting interviews with prominent figures from the region's economic and political sphere or visiting personalities.
• Editing interviews and chronicles using Sony Sound Forge.

Paris, Île-de-France, FR

• As part of the launch of SFR's Data offers:
• Establishment of a new specialized technical support team dedicated to resolving incidents related to the operator's new Data offers.
• Writing operational procedures for this team in collaboration with the management team.
• Providing phone assistance to clients for incident resolution and equipment configuration.
• Escalating incidents to level 3 when they exceed the scope of expertise of level 2.

Master En Informatique, Architecte Logiciel, Développeur D'Application

Licence, Relations Publiques, Publicité Et Communication Appliquée