26 to 50 of 217 Performance Tuning Jobs

strong experience in Oracle Database administration, Oracle RAC, Data Guard, Exadata, and Oracle GoldenGate replication and a proven ability to maintain high availability, optimize performance, secure platforms, and automate operations across on-premises and cloud environments. Responsibilities: Administer Oracle Database environments (19c, 23ai, and future releases) across production … imports, and routine maintenance. Design, implement, configure, and support Oracle GoldenGate replication, including Classic and Microservices Architecture (MA). Execute GoldenGate upgrades, patching, monitoring, tuning, and capacity planning. Troubleshoot replication latency, extract/replicat failures, trail file issues, and data consistency problems. Support enterprise data movement, migration, and synchronization ...

database platforms hosted within AWS. This is an excellent opportunity to join a highly skilled technical team, working on mission-critical services where resilience, performance and security are paramount. WHAT WILL THE SENIOR DATABASE ADMINISTRATOR BE DOING? As the Senior Database Administrator, you'll act as the technical lead … hosted database platforms, taking ownership of database architecture, resilience, performance optimisation and operational support. You'll work closely with Solution Architects, Cloud Engineers, Developers and Operational teams to design highly available database solutions, optimise performance, implement disaster recovery capabilities and resolve complex production issues. Alongside hands-on technical ...

sits at the heart of a business-critical software platform. You'll be joining a collaborative engineering team where you'll solve complex database performance issues, improve scalability and reliability, and play a key role in the ongoing development of a mature SQL estate. If you enjoy analysing execution … plans, tuning complex queries and solving challenging SQL performance problems, this is an excellent opportunity. The role Develop, enhance and maintain complex T-SQL stored procedures, functions and queries. Investigate and resolve SQL performance issues using execution plans and performance analysis tools. Optimise queries, indexing strategies ...

forefront of leveraging technology to create lasting business value.About the RoleThe Senior MS SQL Database Administrator is responsible for the administration, maintenance, performance, security, and availability of enterprise Microsoft SQL Server environments supporting critical business applications worldwide. This role serves as a senior member of the Global Database Team … deep Microsoft SQL Server expertise with strong troubleshooting, automation, and operational support skills. This individual will play a key role in ensuring database reliability, performance, and compliance while supporting modernization initiatives, cloud technologies, and enterprise database governance standards.Key ResponsibilitiesInstall, configure, upgrade, and maintain enterprise Microsoft SQL Server environments.Manage database ...

team responsible for maintaining business critical systems operating within a 24 by 7 live service environment. This role focuses on operational stability, incident resolution, performance optimisation and secure database management across a high availability Oracle estate. The Role You will provide 2nd and 3rd line database support for Oracle … databases supporting critical production services. Working closely with application support, infrastructure and service management teams, you will ensure availability, resilience and performance in line with agreed service levels. The position operates within a formal ITIL aligned support model and includes participation in a 24 by 7 support rota, including ...

join our Exchange Operations team supporting Nadex, a regulated derivatives trading exchange. You will play a critical role in ensuring the availability, stability, and performance of our production and demo trading environments. This is a hands-on role suited for someone who thrives in a fast-paced, mission-critical … Problem Management — Triage, troubleshoot, and drive resolution of production incidents. Follow defined escalation procedures and contribute to root cause analysis and post-incident reviews.• Performance Tuning — Monitor application and system performance, identify bottlenecks, and implement tuning recommendations to maintain optimal exchange operations.• Change & Release Support — Assist ...

supporting a large database estate comprising 50+ DB2 subsystems across multiple mainframe platforms and geographies. This role is critical to ensuring the availability, performance, integrity, maintenance, and security of the organization's DB2 infrastructure.You will work closely with application development, infrastructure, operations, and security teams to maintain highly available … secure DB2 environments while supporting strategic database initiatives, performance optimization, disaster recovery planning, and technology upgrades.The ideal candidate will possess strong technical expertise, excellent troubleshooting capabilities, and the ability to operate independently within a complex enterprise environment.In this role, You willInstall, configure, upgrade, and maintain DB2 for z/ ...

graph platforms/database engineering)Role OverviewWe are seeking a Neo4j Platform Engineer to build and manage the Neo4j infrastructure layer, ensuring high availability, performance, and secure access to enterprise knowledge graphs.This role is responsible for cluster configuration, performance tuning, and access control, enabling scalable and reliable … backup, restore, and disaster recovery processesPerformance OptimizationTune and optimize Cypher queries for production workloadsOptimize graph traversal patterns for Graph RAG use casesIdentify and resolve performance bottlenecks in large-scale graph environmentsBenchmarking & ScalabilityDesign and execute query performance benchmarks at scaleMonitor system performance and ensure high throughput ...

techniques, automation, and best practices in incident response, to ensure the reliability, availability, and scalability of the systems, platforms, and technology through them. AccountabilitiesAvailability, performance, and scalability of systems and services through proactive monitoring, maintenance, and capacity planning.Resolution, analysis and response to system outages and disruptions, and implement measures … incidents from recurring.Development of tools and scripts to automate operational processes, reducing manual workload, increasing efficiency, and improving system resilience.Monitoring and optimisation of system performance and resource usage, identify and address bottlenecks, and implement best practices for performance tuning.Collaboration with development teams to integrate best practices for reliability ...

pipelines using Python and SQL Designing and maintaining data models to support analytics, reporting and data science Working with cloud data platforms to optimise performance, data structures and compute costs Implementing data quality checks, automated testing and monitoring Developing and maintaining CI/CD pipelines and applying software engineering … building data models, tests, incremental models and transformations would be advantageous. Python - data engineering, automation, ingestion and pipeline development SQL - including query optimisation and performance tuning Git and CI/CD - with experience working in a modern software engineering environment Data warehousing and data modelling principles Building ...

/CD delivery processes and automated deployment pipelines. Produce and maintain technical documentation where required. Troubleshoot production issues and contribute to application stability, performance, and reliability. Contribute to continuous improvement and software engineering best practices. Essential Skills & Experience Proven experience as a Java Developer, Backend Developer, or Full Stack … Kubernetes. Monitoring and observability tooling. Large-scale enterprise application development. Consulting or client-facing project delivery. Secure coding practices and application security principles. Application performance tuning and optimisation. Working within complex transformation programmes. Key Competencies Java Development Backend Engineering API Development Software Design Agile Delivery Problem Solving Technical ...

platforms supporting complex applications and data pipelines. What You’ll Be Doing Managing PostgreSQL database clusters across multiple cloud and on-premise environments Monitoring, tuning, and optimising database performance Designing and maintaining scalable database schemas, tables, and views Managing database migrations and data structures across environments, including offline … database configuration Owning and evolving core data models within the platform Essential Skills & Experience Strong PostgreSQL DBA experience within enterprise or secure environments Database performance tuning, optimisation, and troubleshooting Experience with: Query optimisation Index tuning Execution plan analysis Experience managing PostgreSQL clustering and failover strategies Strong data ...

platforms supporting complex applications and data pipelines. What You’ll Be Doing Managing PostgreSQL database clusters across multiple cloud and on-premise environments Monitoring, tuning, and optimising database performance Designing and maintaining scalable database schemas, tables, and views Managing database migrations and data structures across environments, including offline … database configuration Owning and evolving core data models within the platform Essential Skills & Experience Strong PostgreSQL DBA experience within enterprise or secure environments Database performance tuning, optimisation, and troubleshooting Experience with: Query optimisation Index tuning Execution plan analysis Experience managing PostgreSQL clustering and failover strategies Strong data ...

SYSTEMS DEVELOPER – High Performance Trading InfrastructureLondon – Hybrid100,000-150,000 + bonusQuant Capital is recruiting on behalf of a leading global quant investment firm seeking a Systems Developer to join its high-impact technology group in London. This role is part of a core engineering team focused on building … maintaining the backbone infrastructure supporting high-performance trading and large-scale research.In this hands-on role, you will gain significant exposure to distributed systems, high-throughput computing, and low-latency infrastructure. You'll work on complex technical challenges that directly influence the firm's ability to process data ...

using Python and SQL, ensuring they are efficient and robust.Database Solutions: Build and optimise database solutions, focusing on schema design, indexing strategies, and query performance tuning.ETL/ELT Pipelines: Develop and maintain pipelines for ingesting, transforming, and serving data across systems.Integration: Seamlessly integrate applications with data lakes and lake ...

Python and SQL, ensuring they are efficient and robust. Database Solutions: Build and optimise database solutions, focusing on schema design, indexing strategies, and query performance tuning. ETL/ELT Pipelines: Develop and maintain pipelines for ingesting, transforming, and serving data across systems. Integration: Seamlessly integrate applications with data lakes ...

activities, identify root causes, and execute plans to permanently resolve them. Architecture Support: Support development and engineering teams in building highly available, scalable solutions. Performance & Capacity: Conduct performance tuning and capacity planning to align perfectly with client business needs. Cloud Migrations: Drive or support implementation teams ...

seeking a highly skilled and experienced Java Developer to lead the design, development, and delivery of scalable, secure, and high-performance enterprise applications. The ideal candidate will possess deep expertise in Java and Spring Boot, strong architectural knowledge, and proven experience leading development teams in delivering large-scale digital … high-performing Back End services. Integrate with internal and external systems through APIs, messaging platforms, and event-driven architectures. Ensure compliance with security, performance, and reliability requirements. Architecture & Design Participate in system architecture, technical design discussions, and solution planning. Drive cloud-native development practices and modernization initiatives. Identify ...

data management, ETL/ELT pipeline development, and large-scale data processing.Proficiency in SQL, Python, and PySpark, with experience in query optimization and performance tuning.Hands-on experience with data lake platforms (Databricks, Apache Spark, or similar).Experience with AWS cloud services (S3, ECS, SNS/SQS, Lambda, etc.).Strong ...

Role Overview We are seeking a highly skilled and experienced Java Developer to lead the design, development, and delivery of scalable, secure, and high-performance enterprise applications. The ideal candidate will possess deep expertise in Java and Spring Boot, strong architectural knowledge, and proven experience leading development teams … high-performing Back End services. Integrate with internal and external systems through APIs, messaging platforms, and event-driven architectures. Ensure compliance with security, performance, and reliability requirements. Architecture & Design Participate in system architecture, technical design discussions, and solution planning. Drive cloud-native development practices and modernization initiatives. Identify ...

hands-on Senior Data Architect who is equally comfortable designing the target state for a multi-system SQL data estate, writing and tuning the T-SQL that delivers it, and standing up the security, monitoring and operational practices that keep it running. You will own data architecture across … framework and PowerShell development at expert level partition design and partition-aligned indexing, clustered/nonclustered index strategy, deduplication, parallel-run cutovers, schema migration, performance tuning of high-impact production queries. Driving the in-flight ETL replatform replacing legacy SSIS jobs with a table-driven, parallel ...

technology programme. This is a senior technical role focused on leading backend application development initiatives and driving architectural decisions for robust, scalable and high-performance server-side systems. You will provide hands-on leadership in building enterprise-grade Java solutions, guiding development teams and influencing technical strategy and engineering … Unix/Linux and shell scripting. Proven ability to lead technical initiatives, mentor developers and contribute to architectural decisions. Strong understanding of backend security, performance tuning and monitoring. Excellent stakeholder management and communication skills. The successful candidate will be comfortable leading the design and delivery of enterprise-scale ...

architecture reviews, technology evaluations, and platform transformation initiatives.Establish governance, security, resilience, scalability, and cost-optimization frameworks.Lead Snowflake architecture covering security, governance, RBAC, data sharing, performance optimization, and multi-environment strategy.Define enterprise data platform standards and operational best practices.Guide warehouse sizing, workload management, performance tuning, and cost optimization.Design ...

development best practices. Essential Skills Strong commercial experience with Oracle PL/SQL . Proven IBM DataStage ETL development experience. Strong SQL development and performance tuning skills. Experience delivering enterprise data integration solutions. Knowledge of data warehousing and ETL best practices. Experience working in Agile environments. Excellent analytical ...

role in both day-to-day database operations and longer-term platform improvements. This is a varied role offering a mix of BAU support, performance optimisation, upgrades, migrations, and infrastructure projects. You'll have the opportunity to influence database strategy while working with modern engineering and DevOps practices. … Responsibilities Administer and support PostgreSQL and Oracle databases, with a primary focus on PostgreSQL Monitor, troubleshoot and optimise database performance Design and maintain high availability, replication, backup and disaster recovery solutions Perform database upgrades, patching and lifecycle management activities Support database migration and platform modernisation initiatives Maintain database security ...