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Senior Database Administrator

Dyflexis

The Hague
Full-time
5-10 years experience
Hybrid

Key Skills

MySQL
ProxySQL
Database administration
Performance optimization
Query optimization
Database migration
Sharding
Partitioning
PHP
Data modelling
Atlas
Infrastructure scaling
Database maintenance
Schema changes

Job Description

At Dyflexis, we help millions of employees worldwide with our workforce management software. From the bakery around the corner to international hotel and retail chains. The software is powerful, customer questions are diverse, and no two days are the same. You'll get to know the product inside out and contribute to something that's growing rapidly in more than 20 countries. How do we do it? We work in a fast-paced environment with short communication lines. There are no unnecessary meetings and no politics. Our Focus? Ownership, clear communication, and getting things done together. We move quickly, learn by doing, and continuously improve. As our Senior Database Administrator, you’ll keep our complex database fast, stable, and ready to scale, while helping developers understand the impact of their queries on performance. This is what you’ll do You’re responsible for the performance, stability, and scalability of our database infrastructure, spread across multiple clusters. You’ll review and optimise queries, oversee migrations, and make sure our infrastructure keeps up as we grow, all while raising the bar on how we manage data internally. You’ll work closely with our Platform team, and with developers directly to make sure the database side is considered from the start. Own production database performance: review and optimize queries, indexing, and execution plans using MySQL and ProxySQL. 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. This is what you’ll need 5+ years of experience as a database administrator or database engineer, ideally across large or complex databases. Experience in fintech, HR tech, SaaS, or ticketing and ordering platforms is a plus. A relevant certification helps too, though it’s not a requirement. Deep expertise in MySQL, with solid experience in at least one other Database Management System. Postgres, Oracle, or MSSQL Server are all a plus. Familiarity PHP skills, enough to read and review how developers write queries and loops. Excellent written and spoken English. You can communicate clearly enough so that there’s no room for misinterpretation. What you'll get At Dyflexis, you'll be part of an ambitious, energetic, and customer-focused team. We offer: Fixed salary up to €6,500 gross per month based on a 40-hour week (experience based). Personal development budget to level up your skills. 25 vacation days plus your birthday off in exchange for cake. An in-house chef surprising you daily with fresh lunch. The best parties, drinks and trips (Winter sports, Ibiza and more). Membership at ARJ Training boxing gym (home of champion Tarik and Levi Rigters). Solid pension plan and 8% holiday allowance. Buy or sell vacation days, you decide. Travel allowance and WFH compensation. Friday chair massages to kick off your weekend. Apply now Ready to bring order to our databases and help our developers build things that hold up under real load? Apply now. No cover letter needed, we’ll ask a few questions and get back to you quickly. Note: Contact by job agencies and recruiters will not be appreciated.

Core Responsibilities

You will be responsible for the performance, stability, and scalability of the database infrastructure across multiple clusters. This includes optimizing queries, managing migrations, and collaborating with developers to ensure database efficiency from the start.

Requirements

The role requires at least 5 years of experience as a database administrator or engineer with deep expertise in MySQL. Candidates should also possess strong communication skills in English and familiarity with PHP to review code and queries.

Benefits

  • Personal development budget
  • 25 vacation days
  • Birthday off
  • In-house chef
  • Company parties and trips
  • Boxing gym membership
  • Pension plan
  • Holiday allowance
  • Travel allowance
  • Work from home compensation
  • Friday chair massages

About Dyflexis

Industry: Software Development

Company size: 51-200 employees

Dyflexis helps you to make staff schedules and track work hours effortlessly. The workforce management software allows you to keep an eye on schedules, working hours and budgets, no matter where you are. To make workforce management even easier, Dyflexis integrates smoothly with your accounting software. Whether you have 10 workers, or multiple branches, Dyflexis has the features you need to streamline your business.

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