11 of 11 Remote/Hybrid Performance Tuning Jobs in the City of London

hire an experienced Oracle Database Engineer for their database and platform engineering team. This is a hands-on position covering Oracle administration, automation and performance engineering across large-scale Exadata and cloud environments, including Autonomous Exadata Cloud@Customer. The Oracle Database Engineer role suits an Oracle professional who wants … move beyond routine administration into platform engineering: building automation that removes manual overhead, tuning at scale, and owning multi-tenant database architecture across mission-critical systems. About the role - Oracle Database Engineer (Oracle DBA): Build automation tooling and platform solutions using Ansible and scripting to reduce manual work across ...

proposals, architecture options papers, and business cases to senior stakeholders and governance boards Lead architecture assurance and design authority reviews, ensuring solutions meet security, performance, resilience, and compliance requirements Define solution patterns and reference architectures for Oracle cloud workloads that can be reused across programmes Manage technical risk throughout … above) on-premises and in cloud Manage Oracle Database Service deployments across OracleDB@Azure, OracleDB@AWS, and OracleDB@GCP Perform database performance tuning, patching, backup and recovery, and capacity planning Manage Oracle RAC, Data Guard, and ASM environments Support Oracle Advanced Security features including TDE, audit vault ...

environments. Essential Criteria 8-10+ years of dedicated experience delivering complex enterprise data migration and data engineering projects. Mastery of SQL (complex joins, performance tuning, advanced analytical queries, and reconciliation). Strong Azure Cloud Stack Experience: Azure Data Factory (ADF) Azure SQL DB Azure Data Lake/ ...

development using PL/SQL Strong SQL skills and experience using tools such as SQL Developer, Toad or SQL*Plus Experience writing complex and performance-focused SQL queries Experience debugging and performance-tuning PL/SQL Experience with ETL processes and data extraction/transformation/loading ...

business applications. This role involves building scalable, cloud-based solutions, integrating with third-party platforms and ensuring operational reliability while meeting strict compliance and performance standards, in a highly regulated financial environment. Responsibilities Analyze business requirements and translate them into technical solutions Design, implement, and maintain modern, cloud-enabled … environment Nice to Have Skills: Good scripting experience with Powershell/Bash Knowledge of market gateways and clearing connectivity (exchange-facing flows) Understanding of performance tuning and application resilience for high-volume middle office systems Familiarity with container orchestration and microservices-based architectures #J-18808-Ljbffr ...

technology operates at serious scale, with response times in the 10-100 microsecond range. We're looking for experience in: Modern Java and JVM performance optimisation Low-latency algorithmic trading systems Market data and back-testing/simulation tools Linux internals, system calls and kernel tuning TCP/… kernel-bypass technologies Event-driven or event-sourcing microservices Performance analysis and targeted optimisation Experience with KDB, Rust or C++ would be highly advantageous. London - hybrid working, with up to two days from home £Excellent basic plus strong bonus potential This is an excellent opportunity for someone who remains ...

improvements to monitoring, logging, and observability platforms. Driving automation and infrastructure-as-code best practices. Supporting and enhancing Kubernetes and GitOps deployments. Troubleshooting complex performance and reliability issues. Collaborating with technical teams to improve platform scalability, resilience, and security. Promoting DevOps best practices across engineering teams. Requirements: Strong experience … essential Experience with Ansible Knowledge of Kafka Strong Kubernetes experience Experience with ArgoCD Advanced scripting and automation skills Experience with GitLab Strong troubleshooting and performance tuning experience Infrequent travel to London ECS Recruitment Group Ltd is acting as an Employment Business in relation to this vacancy. ...

engines (e.g., Starburst or similar) Own API contracts with living documentation in CI/CD Build production-grade, testable pipelines Drive observability, reliability, and performance Contribute to architecture decisions (modularity, DI, extensibility) What You Bring (Must-Have) Strong hands-on experience in Java (17/21) + Spring Deep … parsing/validation, query planning/optimization Experience with SQL planners or query transformation layers Strong grounding in data structures, algorithms, and backend performance Production-grade testing using JUnit 5, Mockito Experience with clean architecture, DI, modular design Comfortable owning CI/CD, code quality, observability Familiarity with Docker ...

consumers of the graph Writes and optimises Cypher queries for data loading, transformation, and application-facing retrieval Implements graph data models that balance query performance with semantic accuracy Builds and maintains APIs/integration layers exposing graph data to downstream consumers (including the chatbot) Collaborates with the Knowledge Graph … Architect to implement ontology, knowledge and schema changes as code Supports performance tuning, indexing, and scaling of the Neo4j instance Automates data refresh and synchronisation processes between source systems and the graph Troubleshoots data integrity and pipeline issues in collaboration with the Quality Engineer Documents graph schema ...

authentication services, and security frameworks. Configuration & Administration Configure Alation platform settings, user roles, permissions, workflows, stewardship, and governance features. Perform platform administration, monitoring, troubleshooting, performance tuning, and regular maintenance activities. Data Source Onboarding & Metadata Hydration Connect and onboard databases, data warehouses, BI tools, data lakes, and other enterprise ...

languages). You bring deep knowledge of programming fundamentals - data structures, algorithms, system design. You’ve built systems at scale and understand distributed architectures, performance tuning and observability. You lead by example: through mentoring, clear communication, and a collaborative mindset. You’re tenacious and resourceful — you know ...