Steven Yambos

Paris-based web agency specializing in the integration of artificial intelligence solutions for web and mobile applications.

𝗠𝗶𝘀𝘀𝗶𝗼𝗻𝘀

• Design and development of high-performance REST APIs

• Refactoring of existing projects into microservices architecture on AWS and GCP

• Performance optimization reducing response times for critical Redis endpoints

• Migration of MongoDB databases to PostgreSQL

• Development of real-time WebSocket services

• Implementation of comprehensive tests using Jest and Supertest (unit, integration, end-to-end)

• Optimization of CI/CD pipelines (GitHub Actions)

• Docker containerization

• Initiatives on technical documentation (wikis, Swagger/OpenAPI)

𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀

• Back-End: C#, TypeScript, TypeObject-Relational Mapping (ORM)

• Front-End: React.js, Angular.js

• Databases: SQL Server, PostgreSQL, MongoDB, Redis

• Infrastructure: Amazon Web Services (AWS) - EC2, S3, RDS, Lambda, Google Cloud Platform (GCP), Docker, GitHub Actions, GitLab CI, Linux

• Methodologies: Agile, Scrum, Clean Architecture, Hexagonal Architecture, Domain-Driven Design (DDD), Microservices, Test-Driven Development (TDD), REST API, GraphQL

• Tests & Quality: Jest, Supertest, OpenAPI (Swagger), Postman, cURL

𝗜𝗺𝗽𝗮𝗰𝘁

Delivery of innovative digital solutions tailored to client needs with scalable architecture and optimized performance, contributing to infrastructure modernization and improved user experience on high-traffic web and mobile applications.

Complete modernization of consular services through the redesign of the government API.

𝗠𝗶𝘀𝘀𝗶𝗼𝗻𝘀

• Complete refactoring of the existing government API

• Migration to ASP.NET Core and C# towards a microservices architecture

• Improvement of system scalability and maintainability

• Development of the online visa application system with secure forms

• Development of the complete administrative request processing workflow

• Development of the user registration system with secure JSON Web Tokens (JWT) authentication and session management via ASP.NET Core Identity

• Deployment on Amazon Web Services (AWS) infrastructure with Elastic Compute Cloud (EC2), Simple Storage Service (S3), and Relational Database Service (RDS), Docker containerization

• GitHub Actions CI/CD pipelines for complete deployment automation

• Active participation in code reviews ensuring the quality and maintainability of the produced code

• Complete technical documentation of endpoints and business processes to facilitate future enhancements

𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀

• Back-End: ASP.NET Core, C#, Entity Framework Core, JSON Web Tokens (JWT), ASP.NET Core Identity

• Front-End: Angular.js, TypeScript

• Infrastructure: Amazon Web Services (AWS) - EC2, S3, RDS, Docker, GitHub Actions

• Methodologies: Microservices Architecture, Kanban, REST API, CI/CD

𝗜𝗺𝗽𝗮𝗰𝘁

Complete modernization of consular digital services, drastically improving the efficiency of visa application processing and the user experience for applicants, with a significant reduction in administrative processing times.

During this experience, I participated in various projects by integrating modern technologies and developing an innovative mobile solution. My role allowed me to contribute to essential functionalities, ensure the quality of deliverables, and automate key processes to optimize productivity.

This experience allowed me to develop solid skills in web and mobile development while strengthening my ability to automate processes and ensure the quality of delivered applications.