Senior Backend Engineer — Scale High-Volume Go APIs

BeReal.; Paris; On-site; EUR 90,000 - 140,000; Full time

Benefits offered by this job

Swile Lunch voucher

Gymlib

Premium healthcare SideCare

Wellness activities in Paris office

Competitive salary on experience

Job summary

BeReal. is seeking an experienced Senior Backend Engineer to help scale our API in a distributed Go/Node.js stack. You will own high-volume microservices, collaborate with product and engineering, and help shape robust architectures capable of handling millions of users across countries.

Based in Paris, you will thrive in a fast-moving startup environment, contribute to code and design reviews, and mentor junior engineers while delivering features that support massive scale and reliability.

Qualifications

• 8+ years experience in API on distributed architecture.
• Proven experience with Go and high-volume microservices.
• Startup or similar environment experience preferred.
• Excellent collaboration and communication in an international team.

Responsibilities

• Tackle back-end scalability and reliability challenges for a high-traffic API.
• Contribute to system design reviews and code reviews.
• Collaborate with product and frontend teams to deliver new features.
• Address trade-offs and performance risks in core services.

Skills

Go

API design

Distributed systems

Microservices

English fluency

Education

Master in Computer Science

Tools

NestJS

TypeScript

Kubernetes

PostgreSQL

Redis

Job description

BeReal. is seeking an experienced Senior Backend Engineer to help scale our API in a distributed Go/Node.js stack. You will own high-volume microservices, collaborate with product and engineering, and help shape robust architectures capable of handling millions of users across countries.

Based in Paris, you will thrive in a fast-moving startup environment, contribute to code and design reviews, and mentor junior engineers while delivering features that support massive scale and reliability.