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

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.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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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.

Education

Add your educational history here.

Qualifications

ITIL Certification
January 11, 2030 - December 2, 2025
Scrum Master
January 11, 2030 - December 2, 2025
SAFe Certification
January 11, 2030 - December 2, 2025

Industry Experience

Financial Services, Software & Internet, Professional Services, Travel & Hospitality, Media & Entertainment, Government