1 to 25 of 93 Remote/Hybrid Performance Tuning Jobs in London

Senior Performance Support Specialist

Hiring Organisation
Unit4
Location
Greater London, United Kingdom
Employment Type
Full Time
people by providing them with the right tools to achieve the autonomy they need - it's what makes us unique Key Tasks and Responsibilities Performance tuning of Unit4 Financials by Coda Pre and Post Go Live. Troubleshoot performance issues across new implementations (Project) and existing implementations … Unit4 Financials by Coda, this includes Technical and Application aspects. Develop enhanced, proactive monitoring, detection and remediation of performance issues. Develop proactive, continuous performance tuning and processes to maintain optimal performance levels. Comply with the Company's information security requirements and all Company business procedures ...

Lead Oracle Database Administrator

Location
Greater London, England, United Kingdom
Unix/Linux . Manage backup and recovery using RMAN and monitoring through Oracle Enterprise Manager (OEM) . Investigate complex database incidents and performance issues. Ensure database environments remain secure, stable and resilient. Oracle E-Business Suite Provide expert DBA support for Oracle E-Business Suite R12 . Support … upgrades, migrations, patching and technical changes. Work with EBS Concurrent Managers and troubleshoot performance and operational issues. Support complex legacy ERP environments and their application, database and middleware dependencies. SQL & Performance Tuning Perform advanced Oracle SQL and PL/SQL tuning . Analyse execution plans, indexes ...

DB2 Database Administrator (DBA)

Location
Greater London, England, United Kingdom
resolution of database-related incidents and problems. Demonstrate strong analytical and problem-management capabilities to resolve complex technical issues. Provide consulting services on database performance monitoring, tuning, capacity planning, and optimization. Coordinate with development teams during project implementations and release cycles. Participate in infrastructure modernization, technical initiatives … Required Qualifications Typically 8-12 years Hands‐on experience in IBM z/Mainframe environments with strong expertise in DB2 Database Administration, database support, performance tuning, security implementation, automation, disaster recovery, and production support. Deep understanding of Db2 database architecture, administration, backup and recovery procedures. Experience in production ...

Database Engineer

Hiring Organisation
Talent-Relay Limited
Location
South West London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£62,614
position . Youll work across Oracle, PostgreSQL and NoSQL platforms , helping build, automate and optimise highly available enterprise database environments. If you enjoy automation, performance tuning, modern DevOps and solving complex database challenges , this role offers the opportunity to work at significant enterprise scale. Key Responsibilities: Engineer … Cassandra, MongoDB and/or Couchbase . Automate database provisioning, configuration and deployments. Implement Infrastructure as Code and CI/CD practices. Optimise database performance, queries and indexing. Support high availability, replication and resilience. Troubleshoot complex production issues and perform root-cause analysis. Partner with developers, architects and infrastructure ...

Senior ETF Engineer, Investment Technology

Hiring Organisation
Invesco
Location
London, UK
Employment Type
Full-time
processes across Equities, Fixed Income, and Alternatives. This role will partner closely with portfolio managers, quantitative researchers, and business teams to deliver scalable, high-performance solutions that support both technology-owned platforms and business-driven workflows (e.g., co-developed tools such as dashboards and portfolio management utilities). … services, APIs, and microservices supporting portfolio analytics, optimization workflows, and data pipelinesDesign and optimize SQL-based data processing (PostgreSQL, SQL Server), including complex queries, performance tuning, and large-scale ETL workflows. Implement and support distributed, event-driven architectures (e.g., Kafka, asynchronous workflows) for scalable platform execution. Develop ...

Oracle Database Engineer - up to £90,000 + Bonus - Hybrid

Location
City Of London, England, United Kingdom
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 ...

Oracle Database Engineer - up to £90,000 + Bonus - Hybrid

Hiring Organisation
Involved Solutions
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £90,000 per annum
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 ...

Principal Java Developer

Location
Greater London, England, United Kingdom
based in the UK or US and offers the opportunity to build scalable, real‐time services using modern technologies. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities … with DevOps, Product, and QA teams to ensure production‐grade solutions. Drive architectural changes, advocate for best practices, and provide mentorship to peers. Drive performance tuning, fault tolerance, and observability improvements across services. Required Skills & Experience: 10+ years of experience in Java development with a focus on performance ...

Principal Java Engineer

Location
Greater London, England, United Kingdom
role is based in the UK and offers the opportunity to build scalable, real-time services using modern technologies. If you're passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities … with DevOps, Product, and QA teams to ensure production-grade solutions. Drive architectural changes, advocate for best practices, and provide mentorship to peers. Drive performance tuning, fault tolerance, and observability improvements across services. Required Skills & Experience: 10+ years of experience in Java development with a focus on performance ...

Senior Lead Oracle Fusion Cloud Integration & Extension Consultant role

Hiring Organisation
Version 1
Location
London, UK
Employment Type
Full-time
transformations Implement robust error handling, replay, recovery and operational support patterns covering technical failures, business validation failures, rejected records and downstream availability issues. Support performance tuning for high-volume integrations, including batching, pagination, payload optimisation, parallel processing and appropriate use of asynchronous patterns. Implement secure integration patterns using … technical and business error-handling frameworks, including logging, notification, retry, replay and reconciliation support. Experience supporting high-volume or business-critical integration processing, including performance tuning and operational support considerations. Ability to produce clear technical design documents, mapping specifications, test evidence, deployment instructions and support handover material. Experience ...

Principal Engineer

Location
Greater London, England, United Kingdom
production-grade Lakehouse implementations using technologies such as Unity Catalog, Delta Live Tables, MLflow and Lakeflow. Own the hardest technical problems on an engagement - performance tuning, complex migrations, scale and reliability. Set engineering standards for code quality, testing, observability and reusability across delivery teams. Build reusable frameworks, accelerators … experience delivering enterprise data platforms or analytics solutions. Strong commercial experience building and delivering Databricks solutions in production. Deep expertise in Apache Spark, including performance tuning and optimisation at scale. Expert-level Python and SQL, with a track record of writing production-quality, well-tested code. Strong understanding ...

Oracle Database Engineer

Location
Greater London, England, United Kingdom
update platforms and automation to eliminate problems Developing platform automation tooling to eliminate toil Providing support to application development teams in product and performance selection L3 Product database support for Exadata Cloud and Oracle Databases. Designing Database Model Your skills and experience Preferably Oracle Certified Master (OCM) Expert … Exadata infrastructure Expert in Exadata Cloud @ Customer and Autonomous Expert in Oracle Performance Tuning, PL/SQL Development, Bash/KSH Shell Scripting, Python 2.7/3.x Development, Ansible Playbook Development, database scripting and automation technologies Knowledge of Java 7/8 Development Skills, Oracle APEX, Git/ ...

Oracle Database Engineer

Hiring Organisation
Deutsche Bank
Location
Greater London, United Kingdom
Employment Type
Full Time
update platforms and automation to eliminate problems Developing platform automation tooling to eliminate “toil” Providing support to application development teams in product and performance selection L3 Product database support for Exadata Cloud and Oracle Databases. Designing Database Model Your skills and experience Preferably Oracle Certified Master(OCM), Expert … Exadata infrastructure, Expert in Exadata Cloud @ Customer and Autonomous Expert in Oracle Performance Tuning, PL/SQL Development, Bash/KSH Shell Scripting, Python 2.7/3.x Development, Ansible Playbook Development, database scripting and automation technologies Knowledge of Java 7/8 Development Skills, Oracle APEX, Git/ ...

Site Reliability Engineer / Production Support

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
level all key system flows, the services, partners, and teams in play, and how to actively debug an incident. Lead reliability engineering: resilience patterns, performance tuning, capacity planning. Facilitate post-incident reviews and track actions to completion. Use AI tools for automated alert correlation, root cause analysis … observability tools, alerting, logging, and distributed systems debugging. Experience managing and working with offshore support teams. Hands-on experience with reliability engineering: resilience patterns, performance tuning, capacity planning. Active use of AI tools for incident triage, automation, and runbook generation. Ability to understand complex system flows across multiple ...

Java Engineer - Low Latency

Location
Greater London, England, United Kingdom
Description We’re looking for Java Developers with experience building low-latency systems to join us on a high-performance trading and real-time data project, for a major financial institution. You’ll work on mission-critical applications where performance, scalability, and reliability truly matter — the kind … opportunity to bring world-class engineering principles to projects at the very heart of modern finance. Your work will focus on writing and tuning high-performance Java frameworks, improving throughput and latency, and applying event-driven, microservice-based architectures. You’ll collaborate closely with other talented engineers, helping ...

Senior Enterprise Technology Engineer

Hiring Organisation
BP Energy
Location
South West London, London, United Kingdom
Employment Type
Work From Home
Experience with advanced data visualisation tools (e.g. Tableau, Power BI) with a focus on insightful storytelling. Knowledge of Microsoft SQL Server administration and query performance tuning. Familiarity with core cloud concepts: subscriptions, resource groups, IAM. Knowledge of the commodities front office domain e.g. financial and physical instruments, market data ...

Senior Enterprise Technology Engineer

Location
London, United Kingdom
Experience with advanced data visualisation tools (e.g. Tableau, Power BI) with a focus on insightful storytelling. Knowledge of Microsoft SQL Server administration and query performance tuning. Familiarity with core cloud concepts: subscriptions, resource groups, IAM. Knowledge of the commodities front office domain e.g. financial and physical instruments, market data ...

Senior Fullstack Engineer (Python + React.js)

Location
Greater London, England, United Kingdom
efficient server-side applications. The ideal candidate should have experience in microservices architecture, API development, database management, and frontend ensuring high availability and performance of backend and frontend services. In this role, you will collaborate closely with frontend engineers, product managers, and other stakeholders to build robust backend solutions … that power our applications. A strong focus on Separation of Concerns (SoC), security best practices, and performance optimization is crucial for success in this position. Your key responsibilities: Integrate models into backend systems and create API endpoints for model interaction (e.g., retrieving predictions). Develop and maintain scalable services ...

Neo4j Platform Consultant

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
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 … 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 ...

Analytics Engineer

Location
Greater London, England, United Kingdom
remit Help us modernise: we’re actively evolving this stack and expect you to challenge and improve it, not just operate it Warehouse cost & performance Own the performance and cost profile of our Redshift warehouse — you should be able to read a query plan, choose sensible sort … from scratch Nice‐to‐haves Airflow or similar orchestration tools, and familiarity with data ingestion tools such as dlt or Airbyte Warehouse cost and performance tuning, particularly on Redshift Fintech, investment management, or another regulated industry Handling PII responsibly in an analytics environment — sanitised vs. restricted datasets, role ...

Data Engineer, Vice President

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
data collection, deep market expertise, and continuously evolving methodologies. Its data and technology underpin how investors raise capital, evaluate opportunities, monitor portfolios, and assess performance at scale. About Company Intelligence Company Intelligence is Preqins private company data platform, providing structured, auditable company-level data and analytics across the private … markets investment lifecycle. It integrates company, deal, and ownership data with fund, manager, and performance information to deliver a connected view of private capital activity. Built on granular data and robust methodologies, Company Intelligence supports scalable analysis across deal sourcing, due diligence, valuation benchmarking, and comparative research. By increasing ...

data engineer in private markets

Location
Greater London, England, United Kingdom
private equity, private credit, real estate, infrastructure, venture capital, and hedge funds. Its Company Intelligence platform delivers structured company, deal, ownership, fund, manager, and performance data to support investment analysis, due diligence, valuation benchmarking, and research. Задачи: Provide senior technical leadership and architectural direction for scalable data platforms … frameworks such as Apache Airflow; Experience with cloud-native data platforms, preferably AWS or Azure; Experience with enterprise data warehouses, preferably Snowflake; Experience with performance tuning, cost controls, and secure access patterns; Experience leading, mentoring, and developing data engineers; Strong ownership, accountability, analytical thinking, and structured decision-making ...

Senior Data Engineer

Location
Greater London, England, United Kingdom
operational decision‐making. You will drive the development of data pipelines, models, and architecture across our modern data stack (AWS, Snowflake, dbt) ensuring performance, reliability, and scalability. Working closely with Architecture, Data Analytics, and Salesforce teams, you will drive the evolution of our data platform, guide best practices … models and frameworks to ensure high data quality, consistency, and maintainability. Own data pipeline reliability, proactively monitoring, troubleshooting, and resolving complex data and performance issues with minimal disruption. Architect and evolve analytics‐ready data models (e.g., star schemas, data marts), balancing performance, flexibility, and usability. Collaborate with senior ...

Data Architect

Location
Greater London, England, United Kingdom
access controls, row‐level security, dynamic data masking, and PII governance in line with regulatory requirements (GDPR, BCBS 239) Champion Snowflake best practices for performance tuning, clustering keys, materialised views, and query optimisation Evaluate Snowflake‐native capabilities (Snowpark, Cortex AI, Dynamic Tables) and recommend adoption where they accelerate … Formation, IAM, VPC Data Governance Data lineage, cataloguing (Apache Atlas/Collibra/Snowflake Horizon), GDPR, BCBS 239, MDM AI/ML Data Query & Performance SQL optimisation, clustering keys, partitioning, query profiling, cost‐based tuning Data Landscape The Data Architect will work across the following technology landscape. Candidates ...

DevOps Engineer

Location
Greater London, England, United Kingdom
Strong proficiency in Python, Go, and/or Bash; ability to write maintainable, production-quality code. GNU/Linux: Deep system-level understanding, including performance tuning and hardening. Windows Server: Proficiency in Windows Server 2016+ including ADFS, ADCS, and ADDS. Networking: Strong understanding of IP networking, physical network ...