Freelancer profile translated to English.

Description

Senior Full-Stack Developer with over 8 years of experience, I help companies design, develop, and evolve high-performing web applications.

Specializing in Ruby on Rails, Laravel, and Vue.js, I work on SaaS platforms, APIs, business applications, and high-traffic projects.

Throughout my assignments, I have collaborated with companies in various sectors, including banking, mobility, e-commerce, and B2B solutions.

I pay particular attention to code quality, performance, software architecture, and maintainability to deliver reliable and scalable solutions.

Key Skills:

• Ruby on Rails

• Laravel / PHP

• Vue.js & Nuxt

• PostgreSQL & MySQL

• Redis & Sidekiq

• Docker

• REST API

• Elasticsearch

I am available for development, refactoring, technical architecture, and team support missions.

Industry field of expertise

Languages

French
Native or bilingual

Workplace preferences

Can work on-site

Saint-Julien-en-Genevois (up to 50km)

NAVECO
SENIOR DEVELOPER RUBY ON RAILS
TRANSPORTATION
May 2025 - February 2026 (9 months)
Paris, France
Ruby, Rails 6, Vue.js, Redis, PostgreSQL, Sidekiq, WebSockets, AWS, Heroku, activeJob, REST API. Integration of internal APIs and understanding of GraphQL architectures. Progressive refactoring of a B2B/B2C oriented Rails monolith. Design, refactoring, and optimization of a complex backend (services, heavy models, business orchestrations). Implementation of WebSockets (ActionCable) for real-time race proposals. TDD approach on new features. Improvement of test coverage (from 40% to 63%). Setup and improvement of CI/CD (GitHub Actions). PostgreSQL query optimization and indexing, reducing response time by 30%. Structuring into services/patterns to improve maintainability. Management of AWS infrastructure / Heroku / OVH deployment. Active participation in backend architecture decisions.
Ruby on Rails Heroku AWS PostgreSQL Vue.js
CARREFOUR BANQUE ET ASSURANCE
SENIOR DEVELOPER JAVA/PHP/VUEJS
BANKING AND INSURANCE
June 2024 - June 2025 (1 year)
Massy, France
JAVA Spring Boot, PHP Laravel, Vue.js, MySQL, microservice, DDD. Technical coordination with product teams and mentoring developers on critical back-end evolutions. Participation in application security and compliance topics in a banking environment. Code Review and continuous improvement. Participation in technical recruitment: test review, profile validation. Redesign of the back-end and front-end for loan applications. Collaboration with product teams to improve user experience. Laravel Laravel 10.
Laravel Vue.js MySQL Spring boot REST APIs
STOCKPRO
SENIOR DEVELOPER RUBY ON RAILS
CIVIL ENGINEERING
April 2023 - May 2024 (1 year and 1 month)
Paris, France
Ruby, Rails 6, Vue.js, Redis, PostgreSQL, Sidekiq, AWS, Heroku.
Participates in daily stand-ups to review project progress.
Adding unit tests.
Monitoring and improving the development system.
Developing the backend.
Making improvements to Models, API.
Internationalization of the platform (I18n).
Developing new SaaS features.
Heroku Vue.js Ruby on Rails PostgreSQL REST APIs

Check out Paul Ener's experience

Be the first to recommend Paul Ener

Help this freelancer shine by sharing your experience working together.

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

Baptiste Duhen

Fullstack developer

4.6

(4)

Amed Hamou

Senior Lead Developer

(2)

Audrey Champion

Web developer

4.3

(3)

Signup to reveal

PROFESSIONAL BACHELOR'S DEGREE IN COMPUTER SYSTEMS AND ARTIFICIAL INTELLIGENCE
ISPM
2014
LICENCE PROFESSIONNEL LE EN SYSTEME INFORMATIQUE ET INTELLIGENCE ARTIFICIELLE

Paul Ener A.

Ruby on Rails | Laravel | WordPress | WooCommerce

About Paul Ener

Experience

Recommendations

These freelancer profiles also match your criteria

Education

Skill set

Categories