Senior MySQL Architect: Scale, Performance & Migrations

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 plus your birthday

In-house chef lunch

Parties, drinks and trips

ARJ Training boxing gym membership

Pension plan and 8% holiday allowance

Buy or sell vacation days

Travel allowance and WFH compensation

Friday chair massages

Job summary

Dyflexis is seeking a MySQL Expert to keep production databases fast, stable, and scalable. You’ll work with the Platform team and developers to ensure the database is designed from the start and kept in sync with product growth.

You’ll own performance, migrations, and evolving infrastructure, collaborating across teams to raise data quality and reliability at scale. This role offers a generous Dutch salary and benefits package.

Qualifications

• 5+ years of experience as a database engineer (MySQL).
• Experience in fintech, HR tech, SaaS, or ticketing/ordering platforms is a plus.
• Deep expertise in MySQL, with solid experience in at least one other Database Management System (PostgreSQL/Oracle/MSSQL).
• Familiarity with PHP to read and review how developers write queries.
• Excellent written and spoken English.

Responsibilities

• Own production database performance: review and optimize queries, indexing, and execution plans using MySQL.
• Run migrations across our database clusters, including working with Atlas.
• Improve and evolve our database infrastructure, including scaling strategies like sharding and partitioning, as we restructure how our systems are set up.
• Write and maintain the standards that keep database work consistent across teams, from data modelling to how migrations get done.
• Handle regular database maintenance, from monitoring and mutations to schema changes.
• Review merge requests and PHP code for how they touch the database and join project kick-offs to shape the database approach early.

Skills

MySQL

PHP

English

Fintech

Tools

Atlas

PostgreSQL

Oracle

MSSQL Server

Job description

Dyflexis is seeking a MySQL Expert to keep production databases fast, stable, and scalable. You’ll work with the Platform team and developers to ensure the database is designed from the start and kept in sync with product growth.

You’ll own performance, migrations, and evolving infrastructure, collaborating across teams to raise data quality and reliability at scale. This role offers a generous Dutch salary and benefits package.