Senior Backend Engineer (B2B Contract)

Jobgether; À distance; EUR 40 000 - 60 000; Plein temps

Résumé du poste

A technology recruitment platform is looking for a Senior Backend Engineer to design and scale backend systems crucial to modern software security. This role entails collaborating with teams to define architecture for high-performance security solutions, optimizing scalability, and mentoring juniors. Candidates need a Bachelor's in Computer Science and 5+ years of backend development experience with Node.js and databases. Enjoy a flexible remote-friendly work environment with competitive B2B compensation, contributing to impactful products on a global scale.

Prestations

Competitive B2B compensation

Flexible, remote-friendly work environment

Professional growth opportunities

Qualifications

• 5+ years of hands-on experience in backend development for production-grade systems.
• Proficiency with Node.js and experience in backend application development.
• Solid experience with both SQL and NoSQL database technologies.

Responsabilités

• Design, build, and maintain scalable backend systems and APIs.
• Collaborate with teams to define architecture and requirements.
• Optimize system performance, scalability, and security.

Connaissances

Backend development

Node.js

SQL

NoSQL

Problem-solving

Formation

Bachelor’s degree in Computer Science or equivalent

Outils

Cloud-based environments

Microservices architectures

Description du poste

Senior Backend Engineer (B2B Contract) – France

This role offers the opportunity to design and scale backend systems that play a critical role in securing modern software ecosystems. You will work in a fast-paced, engineering-driven environment alongside highly skilled peers, contributing to systems that prioritize performance, reliability, and security. The position emphasizes ownership, technical excellence, and real-world impact at scale. You will collaborate closely with cross-functional teams to shape architecture and deliver robust solutions. This is an ideal role for someone who enjoys tackling complex backend challenges while influencing long-term technical direction. Your work will directly support mission-critical infrastructure used globally.

Accountabilities

• Design, build, and maintain scalable backend systems and APIs that support high-performance security solutions
• Collaborate with frontend engineers, product managers, and stakeholders to define architecture, requirements, and technical trade-offs
• Optimize system performance, scalability, and security through clean code, reviews, and best engineering practices
• Troubleshoot, debug, and resolve production issues while minimizing downtime and operational risk
• Contribute to system evaluations and continuous improvement initiatives across the backend stack
• Mentor and support junior engineers, fostering knowledge sharing and technical growth within the team

Requirements

• Bachelor’s degree in Computer Science or a related technical field, or equivalent practical experience
• At least 5 years of hands‑on experience in backend development for scalable, production‑grade systems
• Strong proficiency with Node.js and backend application development
• Solid experience working with both SQL and NoSQL database technologies
• Familiarity with cloud‑based environments and microservices architectures
• Strong problem‑solving skills, attention to detail, and a passion for clean, maintainable, and secure code

Benefits

• B2B contract with competitive compensation aligned with senior‑level expertise
• Flexible, remote‑friendly work environment
• Opportunity to work on high‑impact, security‑focused products at scale
• Collaboration with experienced engineers in a technically challenging setting
• Professional growth through ownership, mentorship, and exposure to complex systems

Why Apply Through Jobgether?

We use an AI‑powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top‑fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!