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Senior Full-Stack Software Engineer with 13+ years of experience designing, modernizing, and delivering high-performance, mission-critical systems in banking, finance, market infrastructure and large international organizations. Expert in C#, .NET, React and SQL, with a strong focus on performance optimization, real-time processing, and legacy system modernization. Proven ability to translate complex business requirements into robust, scalable technical solutions and to take ownership of projects end-to-end in agile, international environments.…Senior Full-Stack Software Engineer with 13+ years of experience designing, modernizing, and delivering high-performance, mission-critical systems in banking, finance, market infrastructure and large international organizations. Expert in C#, .NET, React and SQL, with a strong focus on performance optimization, real-time processing, and legacy system modernization. Proven ability to translate complex business requirements into robust, scalable technical solutions and to take ownership of projects end-to-end in agile, international environments.

Mélissa BERGINA

Full Stack Developer, Back-End Developer, Web Developer, +2

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Senior Full-Stack Software Engineer with 13+ years of experience designing, modernizing, and delivering high-performance, mission-critical systems in banking, finance, market infrastructure and large international organizations. Expert in C#, .NET, React and SQL, with a strong focus on performance optimization, real-time processing, and legacy system modernization. Proven ability to translate complex business requirements into robust, scalable technical solutions and to take ownership of projects end-to-end in agile, international environments.…Senior Full-Stack Software Engineer with 13+ years of experience designing, modernizing, and delivering high-performance, mission-critical systems in banking, finance, market infrastructure and large international organizations. Expert in C#, .NET, React and SQL, with a strong focus on performance optimization, real-time processing, and legacy system modernization. Proven ability to translate complex business requirements into robust, scalable technical solutions and to take ownership of projects end-to-end in agile, international environments.

Available to hire

Senior Full-Stack Software Engineer with 13+ years of experience designing, modernizing, and delivering high-performance, mission-critical systems in banking, finance, market infrastructure and large international organizations.

Expert in C#, .NET, React and SQL, with a strong focus on performance optimization, real-time processing, and legacy system modernization. Proven ability to translate complex business requirements into robust, scalable technical solutions and to take ownership of projects end-to-end in agile, international environments.

Skills

Experience Level

Expert

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Intermediate

Language

French

Fluent

English

Advanced

Work Experience

Senior Technical Consultant at Capital Banking Solutions (CBS)

January 1, 2024 - Present

Freelance senior technical consultant focusing on CRM evolutions and Portfolio Management Solutions for financial clients; responsible for requirement analysis, design, and delivery of robust IT systems; led data quality improvements and integration efforts for client operations.

Full Stack Software Engineer (CDD) at CERN

January 1, 2021 - December 31, 2024

Managed applications and data for the finance and administrative departments to enable decision-making in line with IT strategy; worked on full-stack development using React, C#, Java, Spring Boot; containerization with Docker and Kubernetes; CI/CD, API management, and data visualization tools.

Senior Software Engineer (Freelance) at SILEX

January 1, 2020 - December 31, 2021

Developed client solutions and internal applications to improve product management and forecasting; front-end with React/Next.js; back-end on .NET Core with SQL DB; improved performance and data flows.

Senior Software Developer (Freelance) at Ralph Lauren

January 1, 2019 - December 31, 2020

Designed and built client-facing B2B e-commerce platform in ASP.NET Web Forms; created REST APIs; optimized SQL queries; integrated with SAP; delivered responsive UI and scalable backend.

Lead Software Engineer (Freelance) at AMADEUS

January 1, 2018 - December 31, 2019

Implemented modern software solutions to optimize airline revenue; migrated large data volumes to SQL databases; modernized front-end for airline revenue management with Angular/React; enhanced back-end with Java/Spring Boot.

BI Developer (CDI) at BPCE

January 1, 2013 - December 31, 2018

Created and maintained BI applications and tools to modernize operations; built data pipelines and data warehouse support using SQL Server, SSIS, and Change Data Capture; designed reporting dashboards and automated processes.