Freelancer profile translated to English.
Back to original languageAbout Ayoub
Full-Stack JavaScript Developer with over 5 years of experience on complex, high-criticality projects in the transport and industry sectors.
I am involved in the design and development of scalable web applications and APIs, in an Agile environment, with a focus on system performance, robustness, and maintainability.
My expertise covers the creation of full-stack solutions with React, Vue.js, and Node.js, as well as integrating external systems and managing real-time data flows in distributed architectures.
I have worked on projects involving complex technical ecosystems (CRM, cloud services, business APIs), where reliability, software quality, and performance are critical issues.
I support product and technical teams in delivering high-value features, ensuring clean, scalable code aligned with business objectives.
French
Native or bilingual
English
Fluent
Arabic
Native or bilingual
Can work on-site
Paris (up to 50km), Nantes (up to 50km), Lyon (up to 50km), Lille (up to 50km), Marseille (up to 50km)
Experience
- Capgemini – Software Engineer / Consultant Full-StackFeatures Development and EnhancementTECHJanuary 2023 - Today (3 years and 7 months)Nantes, France🚆Transport sector (major French railway group) – Capgemini Mission
- Development of several business applications within a complex digital ecosystem
- Development of front-end features in Vue.js for web interfaces and agents, ensuring a fluid omnichannel experience
- Design and development of REST APIs with Node.js, integrating operational data and external services (Salesforce, Heroku)
- Implementation of real-time features via Socket.IO to improve interactions between systems and users
- Synchronization and reliability of data between Salesforce and Heroku via Heroku Connect
- Monitoring of application performance via monitoring, log analysis, and incident resolution
- Collaboration with product and business teams to maximize delivered value
- Compliance with strict requirements in terms of quality, security, performance, and deadlines
- Capgemini – Software Engineer / Consultant Full-StackInnovating Customer ExperienceTECHJanuary 2022 - January 2023 (1 year)Nantes, France🚄 International Mobility (European railway group) – Capgemini Mission2022 – 2023
- Development of front-end features in React.js and mobile applications in React Native (Android / iOS)
- Design and maintenance of REST APIs with Node.js, including secure integrations for customer services
- Continuous improvement of mobile applications via API consumption and functional evolutions
- Monitoring of performance and user experience with New Relic
- Implementation and optimization of automated deployments via Jenkins (CI/CD)
- Capgemini – Software Engineer / Consultant Full-StackEnhancing Digital TransformationTECHJanuary 2021 - January 2022 (1 year)Nantes, France🛢 Industry – Digital Transformation (lubricants sector) – Capgemini Mission2021 – 2022
- Involvement in digital transformation projects in an international industrial client environment
- Implementation of backend features to modernize product data access
- Development of REST APIs with Node.js to expose catalog data
- Optimization of API performance and improvement of data exchange reliability
- Delivery of features aligned with business needs and client requirements
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Education
- 🎓 Computer Science Master's (MIASHS) — 2021Université Grenoble Alpes2021Spécialisation en informatique et développement logiciel, avec focus sur les systèmes applicatifs, les architectures logicielles et les technologies web.
- 🎓 Engineering Degree — Energy, Water & Environment — 2019ENSE3 Grenoble INP / Grenoble Alpes University2019Formation d’ingénieur orientée résolution de problèmes complexes, systèmes techniques et approche analytique appliquée aux environnements industriels.