Senior Database Architect – Scale, Migrations & Performance

Dyflexis; Den Haag; On-site; EUR 66,000 - 79,000; Full time

Benefits offered by this job

Fixed salary up to €6,500 gross per月

Personal development budget

25 vacation days

In-house chef for lunches

Social events and travel trips

Pension plan and 8% holiday allowance

WFH compensation

Job summary

Dyflexis is seeking a Database Architect to keep our database infrastructure fast, stable, and scalable. You will work with the Platform team and developers from the start to ensure data is designed and queried efficiently.

With 5+ years in database roles, you’ll optimise queries, oversee migrations, and drive architectural improvements across multi-cluster setups in a fintech/SaaS context. English communication is essential, and the role offers growth and hands-on ownership.

Qualifications

• 5+ years of experience as a database architect or database engineer.
• Experience in fintech, HR tech, SaaS, or ticketing and ordering platforms is a plus.
• Deep expertise in MySQL and at least one other DBMS (Postgres/Oracle/MSSQL) is desirable.

Responsibilities

• Own production database performance, review queries, indexing, and execution plans in MySQL.
• Run migrations across database clusters, including Atlas.
• Evolve database infrastructure with scaling strategies (sharding/partitioning).
• Write and maintain standards for database work across teams, including migrations.
• Handle regular database maintenance, monitoring, and schema changes.
• Review code touching the database and participate in project kick-offs to shape the approach.

Skills

Database architecture

MySQL expertise

English communication

Cross-team collaboration

Platform collaboration

Tools

Atlas

MySQL

Job description

Dyflexis is seeking a Database Architect to keep our database infrastructure fast, stable, and scalable. You will work with the Platform team and developers from the start to ensure data is designed and queried efficiently.

With 5+ years in database roles, you’ll optimise queries, oversee migrations, and drive architectural improvements across multi-cluster setups in a fintech/SaaS context. English communication is essential, and the role offers growth and hands-on ownership.