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Serguei CAMBOUR

Senior software engineer @ Freelance Career
Hainaut, Belgique

Senior Software Engineer with 20+ years of experience designing, modernizing, and delivering enterprise-grade systems across telecom, banking, rail, retail, and public sectors. Proven success transforming legacy monoliths into scalable microservices and cloud-ready platforms using Java/Spring, Ruby, and modern DevOps practices.

Rôles occupés

Développeur / Programmeur< 2 years
Software Administrator> 10 years

Back-end

Java
Elasticsearch
Jenkins
Ruby on Rails

Cloud

Docker
Kubernetes
Langues
Courant English
English
Courant
Français
Courant
Expériences professionnelles
Since 2007
Senior software engineer @ Freelance Career
01 July 2025 - Present

Leading migration of a mission-critical ERP from Ant/Tapestry
monolith to Java 21 microservices architecture.
Stabilized build and release processes by replacing legacy tooling
with Maven-based pipelines.
Designed REST APIs enabling progressive decoupling and future
system integrations.
Acting as senior technical reference for legacy system
understanding and modernization strategy.

Senior Consultant/Engineer @ Capgemini Engineering/Altran SA
01 February 2021 - 01 June 2025

Delivered enterprise backend systems for Proximus, Johnson &
Johnson, FedNot, and Sodexo.
Modernized and extended large-scale service platforms handling
technical orders and appointment workflows.
Designed and implemented secure document-sharing platform
used nationwide by Belgian notaries.
Integrated OAuth2/OIDC authentication including itsme, ensuring
compliance and high security standards.
Deployed cloud-native applications using Docker and Kubernetes
on GCP and OpenShift.
Regularly onboarded to complex client environments with
minimal ramp-up time.

Senior software engineer @ Devoteam SA
01 February 2020 - 01 February 2021

Improved platform reliability by introducing automated testing
and CI/CD pipelines.
Migrated legacy SVN repositories to GitLab, improving
collaboration and delivery speed.
Delivered passwordless authentication solutions using NextAuth
and modern security practices.

Software Engineer @ GFI Informatique
01 January 2014 - 01 January 2020

Designed and delivered APIs and microservices for large retail
platforms (Decathlon).
Built Rails-based backend services with Ember.js frontends
serving thousands of daily users.
Implemented OAuth2/JWT authentication and role-based
authorization models.
Worked in Agile teams delivering continuous improvements to
production systems.

Software Engineer @ Atos Integration
01 June 2010 - 01 April 2013

Conception and Java development on IBM Maximo Assets Management.

Software Engineer @ Aubay.Promotic SA
01 March 2007 - 01 March 2010

Development of web applications and scripts to process data.

Études et diplômes
Since 1986
Full-Stack Phoenix @ Pragmatic Studio
01 November 2024 - 31 March 2025

Course on full-stack development with Phoenix.

Learn Phoenix LiveView @ Arrowsmithlabs
01 August 2024 - 30 September 2024

Intensive training in Phoenix LiveView.

The Ultimate Elixir Course @ Learn-Elixir.dev
01 December 2023 - 30 June 2024

Comprehensive course on Elixir programming.

Full-Stack GraphQL @ Pragmatic Studio
01 February 2024 - 29 February 2024

Training focused on full-stack development using GraphQL.

Associate Cloud Engineer @ GCP
01 January 2024 - 29 February 2024

Certification course for Associate Cloud Engineer.

Computer Sciences @ Kuban State University
01 January 1986 - 31 December 1991

Master's degree in Computer Sciences.

Connect with Serguei CAMBOUR

Bon retour parmi nous

Bienvenue à bord!

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