
Nathan Gemis
Senior Software Engineer
Salaire / Taux journalier
Valence, Province de Valence, Espagne
Freelance, ouvert au CDI
À distance uniquement
Expertises
Langues
À propos
Introduction
Technical Lead passionné par la création de software products. Depuis plus de 7 ans, j’accompagne startups et scale-ups dans la conception de plateformes scalables, en combinant backend engineering, solution architecture, AI et product thinking pour transformer des idées en produits à fort impact.
Expérience de travail
Technical Lead - Customer Mobile App
Substantial GroupFreelance
juil. 2025 - Présent
1 an 4 mois
Lead backend development and integration for YouFibre's customer mobile applications, supporting a team of 6 developers working across iOS and Android platforms. Focus on building robust backend services and seamless mobile-backend integration to deliver exceptional customer experiences. Key Responsibilities: • Provide technical leadership for backend services supporting mobile applications across iOS/Android platforms • Implement push notification systems using AWS SNS and Firebase Cloud Messaging integration • Develop notification features including notification history and in-app notification views using Flutter • Design and build core backend services: authentication, billing systems, notification services, and APIs • Collaborate with frontend lead to ensure smooth integration between mobile apps and backend infrastructure • Support cross-functional development team of 6 engineers on mobile initiatives
Lead Developer
YouFibreFreelance
juin 2024 - Présent
2 ans 5 mois
• Manage the development of a new platform for reseller partner • Integration of third party services for affiliate program • Integration of mobile network provider (Lifecycle + Three UK). Sales module, consumption management,... • Implementations of new features into the YouFibre CRM
JuicyLlamaFreelance
janv. 2024 - mai 2024
5 mois
Software developer - Opensource contributor
avr. 2024 - mai 2024
2 mois
Contribute to enhance JuicyLlama framework during free time
Senior software developer - Core Team
janv. 2024 - mai 2024
5 mois
Valence, Province de Valence, Espagne
I’m part of the Core team of Juicyllama. Improve JuicyLlama framework and develop new functionalities. Work on the development of platforms for the company using the framework.
Senior Software Developer
TestQualityFreelance
déc. 2022 - janv. 2024
1 an 2 mois
- Development and integration of Atlassian Cloud App with testquality platform using React Remix and Express - Moving company infrastructure to kubernetes (AWS EKS) using Pulumi IaC - Developing new frontend and backend features with React and Laravel
Lead Software Developer
GlashhFreelance
avr. 2022 - juil. 2023
1 an 4 mois
Develop Online PvP Betting Chess Game using technologies like NestJs, Angular, Websocket, MongoDb
GESPODO SRLFreelance
sept. 2020 - déc. 2022
2 ans 4 mois
Valence, Province de Valence, Espagne
Lead Developer
mars 2021 - déc. 2022
1 an 10 mois
Valence, Province de Valence, Espagne
- Analyse business IT requirements and translate business requirements into working models - Plan roadmap and tasks in an agile methodology for the development team - Implementation of a micro-services architecture from scratch with different language and framework such as NodeJs/NestJS, Python (Django/FastApi) in AWS - Create a SaaS like platform - Implementation of best practice development (TDD) and project pattern (Clean Architecture) - Lead a team of 4 developers - Coach and train the company developers in web and mobile technologies (Angular,Swift/SwiftUI,Android Java, NodeJs/NestJS,Django,...)
Full Stack Mobile developer
sept. 2020 - déc. 2022
2 ans 4 mois
My job as a mobile fullstack developer at Gespodo will be to implement and work on 3D scanning, computer vision and AI technologies within mobile applications as well as rethink and work on the server-side architecture. I also work on improving the user experience within the web app and mobile application.
Technical advisor
Clunnity
mai 2021 - janv. 2022
9 mois
Valence, Province de Valence, Espagne
- Support the business team to make the right choice about their platform architecture and infrastructure - Plan product development roadmap and agile process
Front-end Developer
Analyticalls
janv. 2020 - oct. 2020
10 mois
Valence, Province de Valence, Espagne
- Development of the interface of a web application allowing the configuration and visualization of conversational and textual analysis results (detection of words,feelings,...). - Development of an API to detect words during a chat conversation and integration of a module for Zendesk (customer service software). Tools,languages,frameworks,library: Front end : - VueJS,Quasar Framework,Vuex, i18n - Apache Echarts Back-end: - Python - Django, Django Rest Framework - Spacy (Tokenization, words propositions)
UI/UX & Front-end developer
SomData Analytics
avr. 2019 - oct. 2020
1 an 7 mois
Valence, Province de Valence, Espagne
- Find the best way to optimize the professional use of AI tools - Design and develop application interfaces. Tools,languages,frameworks and libraries : - Adobe xD - VueJS/Nuxt/Vuex/D3JS/Leaflet - Android Studio/ Java
Designer
EUnited We Code
juin 2019 - juil. 2019
2 mois
Bruxelles, Belgique
creation of the company's brand identity. Tool : Affinity Designer
Formation
thePower
Program ThePowerMBA with Digital Marketing Specialization, Business & Marketing expert - Business Administration
2021 - Présent
5 ans
BeCode Brussels
Mobile and Web developer
2018 - 2020
2 ans
Hispania
Certificat C1 cervantes, Langue et littérature espagnoles
2016 - 2018
2 ans
Institut des Arts de Diffusion
ingenierie du son
2015 - 2017
2 ans
institut fernand cocq ixelles
Baccalauréat, Études générales
2014 - 2016
2 ans
Licences et certifications
Product Masterclass: How to build Digital Products
Délivré le : oct. 2020