SQL Server Developer - Performance Tuning Specialist
WellData Birmingham, England, United Kingdom
Status: 2 days ago – Be among the first 25 applicants
Job Title
SQL Server Developer - Performance Tuning Specialist
Location
Completely Remote role, can be located anywhere in the UK!
Salary
Depends on experience
About the Role
WellData is seeking an enthusiastic, self‑motivated, and dynamic SQL Server Developer with a proven track record in performance tuning and optimisation. If you thrive on solving complex database challenges and making systems run faster and smarter, this role is for you.
Key Duties
* Diagnose and resolve SQL Server performance bottlenecks across queries, indexes, and execution plans
* Optimize user‑defined functions, stored procedures, and ETL processes for speed and scalability
* Collaborate with clients and internal teams to translate business requirements into efficient technical solutions
* Contribute to architectural decisions and best practices for database performance
Benefits
* Competitive salary
* Generous Pension Contribution Scheme (up to 10% match)
* Income Protection / Life Insurance
* 5 weeks annual leave plus options to buy / sell days
* Paid birthday leave, volunteering days, and extra leave for long service
* Company‑sponsored training and certifications
* Quarterly team training and get‑togethers
Essential Experience
* SQL Server design and development focused on query optimisation and performance tuning
* Deep understanding of execution plans, indexing strategies, and Query Store
* PowerShell scripting for automation
* Azure Databases
Desirable Skills
* Azure (Runbooks, Logic Apps, Data Factory)
* SSRS, Power BI, Data Warehousing
* ETL/ELT technologies
* CI/CD and source control (Git, Azure DevOps)
* Exposure to other database platforms (Postgres, Oracle, AWS, MySQL, NoSQL)
About You
* Excellent written and verbal communication skills
* Ability to explain technical concepts to non‑technical stakeholders
* Strong problem‑solving skills under pressure
* Detail‑oriented and deadline‑driven
* Builds trust and maintains positive relationships with clients and colleagues
Why Performance Tuning Matters at WellData
* It underpins our managed service promise. We proactively detect performance issues, agree remediation plans with clients, and action improvements supported by real‑time monitoring and alerting that captures historical health and performance metrics.
* We make performance measurable. Clients receive structured health checks that classify findings into Performance, Security, and Reliability, with clear severities and recommended actions – so tuning work is prioritised and its impact is visible.
* We deliver tangible outcomes. Recent tuning engagements have reduced query and job runtimes, improved application responsiveness, and simplified index strategies – resulting in noticeable user experience gains and lower operational pressure.
* We apply a repeatable, phase‑based approach. From index additions/consolidations/removals to targeted procedure rewrites, changes are implemented gradually, validated with stakeholders, and aligned to each client’s change process.
* We report and learn continuously. Performance reporting and regular reviews ensure improvements are sustained and inform future tuning cycles.
Expected Recruitment Timeline
* Applications close: 23rd January 2026
* First interviews: Virtual Interview, week commencing 2nd February
* Second interviews: In‑person Interview, week commencing 16th February
Only candidates who complete the Skills Assessment form will be considered.
Seniority Level
Mid‑Senior level
Employment Type
Full‑time
Job Function
Information Technology
Industries
Industrial Machinery Manufacturing
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