Senior Backend Software Engineer, Core Squad

Diabolocom | Software

2h 18m ago

Remote In-Country

Full Time

France

About the Role

Diabolocom is strengthening its internal engineering team and opening a Senior Backend Software Engineer position in the Core Squad.

About the Core Squad

The Core Squad is responsible for the design and development of all key entities of our product, ensuring proper interaction between other squads and services. We also isolate entities within our application to make it convenient for large customers.

What You'll Do

Design, build, and optimize back-end services for data gathering, processing, and delivery.
Ensure high-quality engineering practices with thorough test coverage, robust metrics, alerts, and clear documentation.
Define and maintain service contracts to ensure seamless communication between systems.
Work closely with the product team to align technical solutions with customer needs.

Technical Stack

Languages: Java, Kotlin
Framework: Spring Boot
Database: PostgreSQL
Message Broker: RabbitMQ
Caching: Redis
Containerization: Docker

The Team

3 QA engineers
2 backend developers
2 frontend engineers (shared between two teams)
1 team lead

What We're Looking For

7+ years in software development within product-focused companies, with at least 3+ years working extensively in Kotlin (preferred) or Java.
Experience working with relational databases (PostgreSQL preferred).
Experience in designing and implementing effective distributed systems, with the ability to make architectural decisions and evaluate their impact on system performance, scalability, and reliability.
Strong autonomy and leadership potential, with a willingness to grow into a lead role.
Comfortable working with and improving an existing codebase.
Strong engineering culture, attention to detail, and a business-centric mindset.

What We Offer

A collaborative and innovative team environment.
The opportunity to work on cutting-edge distributed communication systems.
Career growth opportunities within a fast-growing global company.
Flexible work arrangements and remote work options.

Recruitment Process

Technical challenge on HackerRank platform
Intro call with a Talent Acquisition Manager
Live coding challenge
Design interview through screen sharing with our Lead Software Engineer
Final interview with Alexander, our Head of Software Engineering

Required Skills

javakotlinspringbootpostgresqlrabbitmqredisdocker

Required Languages

🇬🇧 English

What You'll Do

Design, build, and optimize back-end services for data gathering, processing, and delivery.

Ensure high-quality engineering practices with thorough test coverage, robust metrics, alerts, and clear documentation.

Define and maintain service contracts to ensure seamless communication between systems.

Work closely with the product team to align technical solutions with customer needs.

What We're Looking For

7+ years in software development within product-focused companies, with at least 3+ years working extensively in Kotlin (preferred) or Java.

Experience working with relational databases (PostgreSQL preferred).

Experience in designing and implementing effective distributed systems, with the ability to make architectural decisions and evaluate their impact on system performance, scalability, and reliability.

Strong autonomy and leadership potential, with a willingness to grow into a lead role.

Comfortable working with and improving an existing codebase.

Strong engineering culture, attention to detail, and a business-centric mindset.