Database Architect: Scale & Optimize MySQL Across Clusters

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 + birthday off

In-house chef lunch

Travel allowance and WFH compensation

ARJ Training boxing gym membership

Pension plan and 8% holiday allowance

Friday chair massages

Job summary

Dyflexis invites a skilled Database Architect to join our fast-moving team. You’ll own the performance, stability, and scalability of our multi-cluster database infrastructure and collaborate with Platform and development teams to keep data fast and reliable as we grow.

We value ownership, clear communication, and getting things done. The role emphasizes query optimization, migrations (Atlas), and evolving our infrastructure with sharding and partitioning, while writing standards and maintaining

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, with solid experience in at least one other Database Management System (Postgres/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 expertise

Database architecture

PHP familiarity

English communication

Query optimization

Tools

Atlas

Job description

Dyflexis invites a skilled Database Architect to join our fast-moving team. You’ll own the performance, stability, and scalability of our multi-cluster database infrastructure and collaborate with Platform and development teams to keep data fast and reliable as we grow.

We value ownership, clear communication, and getting things done. The role emphasizes query optimization, migrations (Atlas), and evolving our infrastructure with sharding and partitioning, while writing standards and maintaining