Senior Backend Engineer: Experiments & Scalable Systems

Colonial Heights Senior Living; Paris; Hybrid; EUR 60,000 - 85,000; Full time

Benefits offered by this job

Competitive salary and equity

Flexible remote work policy

Great health insurance

Parental leave and daycare access

Job summary

Business At Work is seeking a Senior Backend Engineer to join its innovative squad in Paris. The role focuses on designing and operating high-risk backend experiments within a fast-paced environment and requires 5+ years of backend experience, proficiency in Node.js and TypeScript, as well as collaboration skills.

Offering highly competitive salary and great health insurance, this position also provides a flexible remote work policy with team events.

Qualifications

• 5+ years of backend experience, ideally in startup/scale-up environments.
• Proficient in Node.js and TypeScript.
• Solid experience designing APIs with performance and security considerations.
• Experience with event-driven systems like Kafka or RabbitMQ.
• Strong engineering best practices including testing and code quality.
• Product mindset and collaborative skills.

Responsibilities

• Design and deliver backend capabilities for product bets.
• Build resilient, scalable systems adapted to high-risk experimentation.
• Strengthen best practices and mentor peers as needed.

Skills

Backend experience

Node.js

TypeScript

API design

Event-driven systems

Engineering best practices

Product mindset

Clear communication

Tools

Datadog

Grafana

Kafka

RabbitMQ

NATS

Job description

Business At Work is seeking a Senior Backend Engineer to join its innovative squad in Paris. The role focuses on designing and operating high-risk backend experiments within a fast-paced environment and requires 5+ years of backend experience, proficiency in Node.js and TypeScript, as well as collaboration skills.

Offering highly competitive salary and great health insurance, this position also provides a flexible remote work policy with team events.