Salesforce Technical Performance Developer

Title: Salesforce Technical Performance Developer

Location: London | Hybrid (2–3 days onsite)

Contract: 6 Months (Possibility to Extend)

Day Rate: Up £330 PAYE (Negotiable)

Start: ASAP

Our client is seeking a Salesforce Technical Performance Developer to join a large-scale Salesforce environment focused on delivering a high-performing, reliable, and scalable platform. This is a hands-on technical position where you'll contribute to the ongoing enhancement of a complex Salesforce ecosystem, ensuring it supports business objectives while maintaining platform stability and long-term sustainability.

Responsibilities

• Performance Engineering & Optimisation
• Analyse and troubleshoot performance bottlenecks across Apex, Lightning Web Components (LWC), integrations, and data operations.
• Optimise SOQL/SOSL queries, batch jobs, triggers, and asynchronous processes for maximum efficiency.
• Conduct end-to-end performance analysis using developer tools and monitoring frameworks.
• Identify and resolve high CPU usage, long-running transactions, and inefficient data models.
• Investigate and resolve complex production issues within highly customised Salesforce environments.
• Perform root cause analysis for recurring failures and performance degradation.
• Work closely with support teams and stakeholders to ensure timely issue resolution.
• Recommend sustainable, long-term solutions rather than temporary fixes.
• Design and develop scalable solutions using Apex (Triggers, Classes, Batch, Queueables, Future Methods), Lightning Web Components (LWC), and Salesforce declarative tools.
• Refactor legacy code to improve maintainability, efficiency, and overall platform performance.
• Ensure all development aligns with Salesforce best practices and organisational coding standards.
• Enforce Salesforce development standards and performance guidelines.
• Conduct code reviews with a focus on scalability, efficiency, and maintainability.
• Identify technical debt and drive remediation initiatives.
• Contribute to reusable frameworks, design patterns, and platform improvements.
• Collaborate with architects, technical leads, product owners, and cross-functional teams to support project delivery.
• Support performance testing, critical releases, and production deployments.
• Assist in defining performance benchmarks and service level expectations (SLAs).

Qualifications & Experience

• Proven hands-on experience optimising Salesforce platform performance.
• Apex development
• Lightning Web Components (LWC)
• SOQL/SOSL query optimisation
• CPU timeouts
• Governor limit issues
• Slow UI and component rendering
• Integration latency
• Strong understanding of Salesforce architecture, platform limits, and performance considerations.
• Experience working within large, highly customised enterprise Salesforce environments.
• Excellent analytical, troubleshooting, debugging, and problem-solving skills.
• Experience with DevOps tools such as Copado and CI/CD pipelines. (Desirable)
• Knowledge of performance monitoring tools and logging frameworks.(Desirable)
• Exposure to Service Cloud and Experience Cloud.(Desirable)
• Experience working within regulated industries such as Financial Services or the Public Sector. (Desirable)