SQL Server Developer - Tuning Specialist

Position: SQL Server Developer - Performance Tuning Specialist

SQL Server Developer - Performance Tuning Specialist

Well Data Birmingham, England, United Kingdom

Remote role – can be located anywhere in the UK.

Salary depends on experience.

About

The Role

Well Data is seeking an enthusiastic, self‑motivated, and dynamic SQL Server Developer with proven performance tuning experience. This role focuses on solving complex database challenges to make systems run faster and smarter.

Why Performance Tuning Matters at Well Data

• 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 prioritized 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

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

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

Essential Experience

• SQL Server design and development with a focus on query optimization and performance tuning
• Deep understanding of execution plans, indexing strategies, and Query Store
• Power Shell 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 Dev Ops)
• Exposure to other database platforms (Postgres, Oracle, AWS, MySQL, No
  
  SQL)

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

Recruitment Timeline

Applications close: 23rd January 2026.

First interviews:
Virtual Interview, week commencing 2nd February.

Second interviews:
In person Interview, week commencing 16th February.

Seniority Level

Mid‑Senior level

Employment Type

Full‑time

Job Function

Information Technology

Industries

Operations Consulting

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