Freelancer profile translated to English.

Description

From Fullstack Developer to DevSecOps Engineer, I help teams design secure-by-design applications that are resilient to threats and aligned with industry best practices. Thanks to my hands-on development experience, I understand end-to-end technical challenges and seamlessly integrate security into every stage of the development lifecycle.

⚙️ Technical skills

Languages & Frameworks

Python, JavaScript / TypeScript, Node.js, React.js, Redux, Express, SQL / PostgreSQL, Sequelize

Infrastructure & Security

DevSecOps, Secure CI/CD, Application & Infrastructure Security, Vulnerability Testing, OWASP Top 10, Shift-Left Security

Tools

Docker, GitHub Actions, Jenkins, Semgrep, Nuclei, Metasploit, Nmap, Wireshark

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Remote only

Primarily works remotely

RomandeEnergie
Software Engineer
ENERGY AND UTILITIES
July 2024 - March 2025 (8 months)
Genève, Switzerland
Development of a web tool for managing building zones (lighting, switches, sensors), deployed on Raspberry Pi devices with secure configuration and automated updates.

The tool automated zone configuration, reducing installation time by approximately 50% and improving system reliability across all sites.

Design and prototyping of an energy optimization algorithm (Python/Docker) with a secure deployment approach, projecting an additional 10-15% in energy savings.

Development of a web configuration tool (React.js / Node.js) allowing technicians to monitor and adjust systems in real-time, securely.
Docker Python JavaScript React.js Node.js
E-nno Switzerland
Technical lead - Software engineer
ENERGY AND UTILITIES
December 2019 - March 2022 (2 years and 3 months)
Genève, Switzerland
Development of internal APIs and web tools to monitor and secure building energy systems, including access management and data integrity validation.

Collection and analysis of large sets of energy consumption data with secure data management practices.

Design and implementation of machine learning algorithms to improve energy efficiency, deployed across more than 30 buildings, enabling 10-20% annual energy savings.

Management of technical projects and supervision of the IT team, ensuring system security and operational resilience.
Algorithms and Data Structures Docker Python Node.js Machine Learning

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Master in Corporate Finance
Edhec Business School
2017

ZCA - 400: DevSecOps Essentials
ZeroDay CyberAcademy
2025
Application Security Vulnerability Analysis API Security Cryptography Reverse Engineering Continuous Integration and Continuous Delivery (CI/CD)

Other

Ines Zenk

DevSecOps Engineer | AppSec | Secure CI/CD

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