Hire MySQL Database Experts

Hire Expert MySQL Developers

Your application is slow and the database is where it hurts, or MySQL is several major versions behind. We place an application developer who is strong in MySQL and reads the queries alongside the code that sends them. We moved a cabinet manufacturer from MySQL 5.0 to MySQL 8, checking the data at every step.

MySQL 5.0 to 8
Done on a live ordering and dealer-portal system
Queries and code together
An index helps; fixing the loop that sends 500 queries helps more
Clear about what we are not
This is development work, not round-the-clock DBA cover

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What a MySQL developer does when the database is the problem

Most MySQL slowness is not a server setting. It comes from how the application asks for data and from indexes that no longer match how the tables are used.

Reads the slow query log and EXPLAIN

Finds the queries that cost the most in total, which are often quick ones run thousands of times. Then adds the right composite index, rewrites the query or changes the code that sends it, and measures the result.

Upgrades old databases without losing data

Old character sets, tables still on MyISAM, changed SQL modes and queries that behave differently on a new version. Rows are compared between old and new during the move, and that step cannot be skipped.

Changes big tables safely

An ALTER TABLE on a large live table can stall an application. Online DDL or tools like gh-ost and pt-online-schema-change avoid that. With read replicas, the application also has to cope with replica lag.

How to judge a MySQL developer in one call

  • Give them an EXPLAIN output and ask what they would change first
  • Ask how they would add a column to a table with 100 million rows
  • Ask why an index on (a, b) may not help a query filtering on b
  • Ask what they check before moving from MySQL 5.7 to 8
  • Ask how the application behaves when a read replica lags behind

Choose your developer level

Compare MySQL developer levels, experience, and monthly rates (160 h per month, retainer discount; USD, invoiced in USD, GBP, EUR or INR). Every level is available on hourly, monthly, or dedicated-team engagements; short pieces of work are from $20/h.

Junior MySQL Developer

Entry Level1-2 years~$2,200/month
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Writes reports and simple queries, and adds migrations and small indexes under review. Should not run schema changes on production alone.

Mid-Level MySQL Developer

Mid Level2-4 years~$3,250/month
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Schema design for new features, slow-query work, stored procedures in older systems, and reporting queries with window functions and CTEs.

Senior MySQL Architect

Expert Level4+ years~$5,400/month
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Plans major-version upgrades, redesigns schemas that grew by accident, adds read replicas and handles big online changes. Start here when the data is the business.

MySQL Database Administrator

Senior Level3-5 years~$5,400/month
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Backups you have actually restored, replication set-up, configuration and user permissions, in working hours, on self-managed servers or a managed service.

What the work usually touches

Tools that come up on MySQL engagements. If your project runs on something else, say so in your brief.

Primary Technologies

MySQL 8 and older versions
MariaDB
InnoDB
EXPLAIN and the slow query log
Composite indexes
Replication
gh-ost and pt-online-schema-change
RDS and other managed services

How a MySQL engagement runs

Your developer is part of our engineering team in India with 3โ€“5 hours of overlap with the UK and Europe; US calls by appointment.

A short job or an ongoing role

Finding out why one report is slow is a few hours of hourly work. A monthly developer fits when the database and the application are changing together.

What to send us

The MySQL version, where it runs, table sizes, and your slowest pages or queries. Read access to a copy of the data is ideal. After a call we confirm who is free and when.

Upgrades priced as a project

A MySQL version move usually comes with application changes. We assess both and quote a fixed price, as with the Laravel upgrades we sell.

When we are the wrong fit

If you need someone watching production through the night, hire a dedicated DBA service. Our work is in our own business day, which overlaps a UK or European day by 3โ€“5 hours. US calls are by appointment.

Frequently Asked Questions

Common questions about hiring MySQL developers from itmarkerz.

Can they move us off a very old MySQL version?
Yes. On our cabinet-manufacturer project we moved the database from MySQL 5.0 to MySQL 8, validating the data at every step. Old character sets and tables still on MyISAM are the usual things to sort out.
Is this a DBA or an application developer?
An application developer who is strong in MySQL. Our MySQL work has been part of application projects, and we don't offer round-the-clock DBA cover. If you need that, we are the wrong fit.
Can you set up MySQL replication?
Yes, for read scaling or a standby. The developer also checks that the application copes with replica lag, because that is where replication usually causes trouble.
Does the developer work on RDS or Cloud SQL as well?
Yes, as well as self-managed servers. On a managed service, some settings and upgrade timing belong to your provider, so we read its rules before planning changes.

Tell us what is slow

The page or report, the MySQL version and roughly how much data. We reply within one business day (IST) and tell you whether it looks like an hourly fix or something bigger.

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Work we can point to