Stateful Services Lead: Scale Databases & Infra

Diabolocom; Paris; Hybrid; EUR 100,000 - 150,000; Full time

Job summary

Diabolocom is building an AI-first customer communications platform and seeks a Stateful Services Lead to scale our stateful DB infrastructure. You will own reliability, scale, and operational excellence for PostgreSQL, ClickHouse and related systems, starting with a small squad and growing the team.

You will collaborate with engineering, SRE and networking teams, shaping architecture decisions, performing migrations with minimal downtime, and driving best practices for high availability in an

Qualifications

• Strong hands-on DBA/Database Engineer with PostgreSQL expertise.
• Production experience with ClickHouse or similar database/platform.
• Operate databases at scale including upgrades, migrations, replication, backups and performance tuning.
• High availability and reliability practices for stateful systems.
• Experience with distributed systems and data consistency challenges.
• On-premise infrastructure and bare-metal environments experience.
• Strong system design skills for scalable, reliable databases.
• Collaborate with software teams to design reliable data architectures.
• Leadership potential or prior mentoring of engineers.
• Hands-on mindset and deep technical ownership.
• Fluent English; French a plus.

Responsibilities

• Own the reliability and day-to-day operations of stateful services.
• Lead design, evolution and scaling of database infrastructure.
• Expand clusters to enable maintenance and migrations without downtime.
• Improve high availability, replication, backups, DR practices.
• Collaborate with development teams to design reliable data architectures.
• Coordinate with SRE, networking and infra for reliability.
• Investigate and solve performance and reliability issues across databases.
• Establish processes and operational practices for running stateful services at scale.
• Stay hands-on and maintain technical depth.

Skills

DBA/Database Eng

PostgreSQL

ClickHouse

Distributed systems

On-premise infra

System design

Dev collaboration

Leadership potential

Hands-on

English fluency

Tools

PostgreSQL

ClickHouse

Redis

RabbitMQ

Kafka/Redpanda

Elasticsearch/OpenSearch

MySQL

Cassandra

MongoDB

Job description

Diabolocom is building an AI-first customer communications platform and seeks a Stateful Services Lead to scale our stateful DB infrastructure. You will own reliability, scale, and operational excellence for PostgreSQL, ClickHouse and related systems, starting with a small squad and growing the team.

You will collaborate with engineering, SRE and networking teams, shaping architecture decisions, performing migrations with minimal downtime, and driving best practices for high availability in an