Available for new challenges

Hello, I'm John Allou

Senior Software Engineer | Full Stack Developer

I help teams and companies build and scale end to end products across Front End, Back End, and Cloud. Strong expertise in Java with Spring Boot, Node.js, TypeScript, and AWS, with a focus on performance, reliability, and real business impact.

View Selected Projects Contact Me LinkedIn
6+
Years Exp.
12+
Projects
CH
Based

# Technical Skills

Languages

Java TypeScript Python JavaScript Dart HTML CSS

Frontend & Mobile

React Angular Flutter React Native Android (Java) Astro TailwindCSS

Backend & Data

Spring Boot Node.js Express Nest.js FastAPI PostgreSQL Oracle MongoDB DynamoDB Firebase Kafka RabbitMQ Elasticsearch

Cloud & DevOps

AWS Azure Heroku Kubernetes Docker CI/CD (GitLab, Jenkins, CircleCI) Terraform

Architecture & Tools

Microservices REST API WebSocket SOLID Clean Code Scrum/Agile Jira Linux/Debian

# Experience

Senior Software Engineer

United Nations - WIPO
06/2025 - 12/2025 | Lausanne

Led the complete redesign of the WIPO Lex architecture and platform. Modernized the system to boost performance and ensure long-term scalability.

  • Restructured back-end into modular services
  • Implemented efficient caching and optimized queries
  • Introduced asynchronous data processing to reduce latency
  • Enhanced CI/CD pipelines and QC workflows
Java (Spring Boot) Angular TypeScript AWS MySQL

Senior Software Engineer

ELCA
12/2022 - 03/2025 | Lausanne

Software development and digital transformation for various major Swiss clients.

Key Projects:

BCV
Banking app with 100k+ users, QR payments, chatbot.
Gesundheitsdatenraum
Lead dev for web portal. Secured with Auth2 OIDC.
BCVS
Internal banking tools APIs for 34 branches.
Loterie Romande
Interactive animations for online gaming platform.
Abilis
E-health platform used by 500+ pharmacies.
Edulog
User management and authentication systems.
UNIGE
University of Geneva website redesign.
Android React DevOps Java Security

Analyst Consultant

Axileo (Orange)
09/2021 - 11/2022 | Paris

Engineering consulting for major telecom providers.

  • Orange WH-A: Development & deployment of websites
  • MSCA Project: Commercial offer management for Orange/Bouygues/Free
  • CCA Project: Customer service intranet for subscriptions & billing
Frontend Backend API Integration

Software Developer

Société Générale
09/2019 - 09/2021 | Paris

Anti-fraud and terrorism financing software development.

  • Developed anti-money laundering tool features
  • FILA-e Project Manager: Fraud monitoring & statistical analysis
  • Managed infrastructure of deployed server environments
Fullstack API Implementation CI/CD

# Featured Projects

MyPug - Social Network

Mobile Social

Mobile social network for photo sharing with recommendation algorithms. Features real-time messaging, push notifications, and moderation tools.

Flutter NodeJS Express MongoDB AWS Socket.io
View Case Study

Bloden - Gaming App

Game Real-time

Real-time mobile gaming app with betting and chat. Includes game engine synchronization and secure payment integration via Stripe.

Flutter NodeJS Socket.io Firebase Stripe
View Case Study

Tootsweet Dashboard

Analytics B2B

Statistical analysis dashboard for B2C service optimization. Dynamic React Native UI with HapiJS data processing.

React Native TypeScript HapiJS MongoDB
View Case Study

YoutubeScrapper

AI/ML Scraper

Mobile app analyzing YouTube content to generate recommendations based on similarities. J2EE server-side processing.

Flutter J2EE MySQL GitLab
View Case Study

Robot Racer

Robotics IoT

Autonomous Raspberry Pi robot using real-time image processing to follow paths and Machine Learning for trajectory adjustment.

Python Raspberry Pi Computer Vision ML
View Case Study

# Education & Languages

Education

Master's Degree Software Architecture

ESGI
09/2019 - 07/2021 | Paris

Bachelor's Degree Computer Science (MIAGE)

Paris Descartes University
09/2018 - 05/2019 | Paris

Languages

French Native speaker
English Fluent

# Get In Touch

Always interested in discussing new projects, opportunities, or just having a chat about tech. Feel free to reach out via email or LinkedIn.

[email protected] LinkedIn

Lausanne, Switzerland

+41 76 222 48 22