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, AWS.

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.• Conducted mailing campaigns using MailChimp/Mandrill.

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.• Contributed to the update of the Change and Production intervention schedule in support of the Change Manager.• Ensured the existence of instructions and the incident assignment matrix through supervision and helpdesk management.• Analyzed firewall logs for the addition/removal of IP scopes to groups and opening of flows.• Ensured Iso-Prod compliance between the qualification platform and data center equipment.Technical Environment:• BMC Software Remedy ITSM Suite• SAP Business Objects Web Intelligence• Service Pilot ISM• Witbe QoE

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.• Participated in meetings with Level 4 for the evolution of Customer Care for Level 3.• Ensured compliance with the delivery deadlines obtained from expert teams.• Received training on new services, either through theoretical and practical training organized by Orange France or from job-specific resources.• Wrote incident resolution operating procedures upon request.• Transferred knowledge gained from training (theoretical and practical) to newcomers within the scope of the service provider's intervention.Technical Environment:• CRM tools (OCEANE), customer care tools (Prométhée, ORCHESTRA, KARMA, CSRtool, TVING, Papyrus...).• Customer care tools are developed using different environments (AS400, Unix, web page...).

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.• Active Directory management: account creation, rights modifications.• Administration of Neatgear and Cisco switches.• Management of tape backups.Technical Environment:Active Directory, Lotus Notes 7, Netgear, Cisco, UltraVNC.

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