Senior Java Performance Engineer

Key Responsibilities
• Develop and maintain Java 21 / Spring Boot batch and microservices for the KPS and XPOS platforms, including framework and dependency upgrades.
• Operate, tune and troubleshoot our Apache Storm-based XPOS processing cluster, including worker balancing, restarts and alert tuning.
• Analyze and optimize SQL performance on Azure SQL Hyperscale, including execution plans, indexing, query tuning and high-availability replica behavior, working directly with Microsoft engineering and support.
• Migrate mainframe batch jobs and DB2 data flows to Azure (Hyperscale and Azure messaging), as part of the CPOS / XPOS modernization program.
• Monitor the nightly performance batch against its service levels, lead root cause analysis of production incidents, and remediate open-source security findings (Nexus IQ / SCA) with the right risk sign-off.

Your Team
You will be a key member of the Portfolio Performance Reporting crew, part of Digital Intelligence & Advisor Platforms.
We build and run the platforms that calculate and report portfolio returns, asset allocation and holdings for financial advisors, operations teams and clients.
We are a collaborative, globally distributed team that takes pride in the quality of what we deliver, working closely with data, cloud, QA and application support colleagues.

Your Expertise
• Degree level education; preferably Computer Science (bachelor's or master's degree).
• Minimum of 18 years of hands-on Java development experience, ideally within banking or financial services.
• Strong proficiency in Java (17/21) and Spring Boot, including large framework upgrades (must have).
• Proven experience tuning SQL Server / Azure SQL, ideally Hyperscale, including reading execution plans, resolving plan regressions and CPU bottlenecks (must have).
• Hands-on experience with distributed or stream processing such as Apache Storm, Kafka Streams or Flink (must have).
• Experience with DB2 and with reading or migrating mainframe batch jobs (added advantage).
• Experience with Azure Kubernetes Service, Helm and Azure AD / Entra ID integration (added advantage).
• Experience remediating open-source vulnerabilities with Nexus IQ or similar SCA tools (added advantage).
• Background in wealth management or portfolio performance, including returns calculation, holdings and valuation data (added advantage).
• Have Agile, Test Driven Development and DevOps practices part of your DNA.
• Demonstrate strong communication skills, both to senior management and teams, including working directly with external vendors.
• Strong analytical and problem-solving skills and attention to detail.
Collaborative approach towards problem solving, working closely with other colleagues in the global team and sensitive towards diversity.