Senior Backend Engineer - Core Platform (PHP/NodeJS)

Odaseva; Paris; Hybrid; EUR 95,000 - 130,000; Full time

Job summary

Odaseva in Paris is seeking a Senior Development Engineer to maintain and enhance our core backend systems. You will translate business needs into scalable technical solutions and collaborate with Product and Infrastructure teams to deliver high-performing applications.

You will design and enhance PHP/NodeJS backends (+ Go/Python modules), mentor junior developers, contribute to code reviews, and stay ahead of industry trends to drive performance and reliability.

Qualifications

• Master’s degree in Computer Science, Engineering or related field.
• 7+ years of backend development experience in a professional environment.
• Strong expertise in non-framework development and OO principles.
• Experience with PHP/Go/NodeJS/Java and delivering complex projects.
• Familiarity with cloud platforms, containers, and Salesforce is a plus.

Responsibilities

• Design, develop, and maintain highly performant, scalable PHP/NodeJS backends (+ Go/Python modules).
• Collaborate with Product Managers to translate requirements into tech specs.
• Work with Infrastructure to optimize performance and ensure smooth deployment.
• Lead by example with clean, well-documented, testable code.
• Mentor junior developers and participate in code reviews.
• Identify opportunities for refactoring and reducing technical debt.
• Stay current with PHP/NodeJS trends and adopt relevant advances.

Skills

Backend development

PHP

Go

NodeJS

Java

AI tools Claude

Cloud platforms

Docker

Communication

Education

Master’s degree in Computer Science or related field

Tools

Docker

Salesforce

AWS

Azure

Job description

Odaseva in Paris is seeking a Senior Development Engineer to maintain and enhance our core backend systems. You will translate business needs into scalable technical solutions and collaborate with Product and Infrastructure teams to deliver high-performing applications.

You will design and enhance PHP/NodeJS backends (+ Go/Python modules), mentor junior developers, contribute to code reviews, and stay ahead of industry trends to drive performance and reliability.