1 to 25 of 59 Performance Tuning Jobs in London

Senior Linux/Oracle DBA

Hiring Organisation
Proactive Appointments
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
enterprise Linux/AIX systems , ideally gained within a banking or financial services environment . You'll be responsible for ensuring the stability, performance, and availability of business-critical banking and finance applications, working closely with senior IT stakeholders and wider application teams. Key Responsibilities Administer, maintain, and optimise … databases supporting Flexcube banking applications Manage Linux (RHEL/Oracle Linux) and AIX environments hosted on IBM Power 10 infrastructure Perform system upgrades, patching, performance tuning, and capacity planning Support high availability and disaster recovery solutions using Oracle RAC, ASM, RMAN, and Data Guard Collaborate with application ...

Camunda DevOps Lead - London, UK - Fulltime - Hyrbrid

Hiring Organisation
Capgemini
Location
Greater London, United Kingdom
Employment Type
Full Time
configuration and system maintenance Observability Monitoring Reliability Implement comprehensive monitoring logging and alerting frameworks to ensure high platform availability and rapid incident response Conduct performance tuning capacity planning and proactive issue resolution for mission critical systems Establish operational runbooks readiness checklists and best practices for platform reliability Security … Specialized Experience in Camunda Successfully deployed supported and automated Camunda platform operations using DevOps best practices including CICD pipelines for Camunda workflows platform monitoring performance tuning and end to end automation of Camunda based process application We are a Disability Confident Employer: Capgemini is proud ...

Senior Compute Platform Engineer

Hiring Organisation
GSK
Location
Greater London, United Kingdom
Employment Type
Full Time
platform of toolchains and workflows that accelerate application development, scale up computational experiments, and integrate all computation with project metadata, logs, experiment configuration and performance tracking over abstractions that encompass Cloud and High-Performance Computing. This metadata-forward, CI/CD-driven platform represents and enables the entire … data engineering, Computer Science, Software Engineering or related discipline 6+ years of professional experience Experience with Python Experience with Cloud Experience with High Performance Compute (HPC) Preferred Qualifications: Deep knowledge and use of at least one common programming language: e.g., Python, C++, Java, including toolchains for documentation, testing ...

Senior Data Architect

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
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 ...

Senior Data Engineer (Informatica)

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £460/day
Lambda; strong PySpark/Python and SQL for large-scale batch processing. Data engineering at scale in government or similarly complex domains, including performance tuning and data quality management. CI/CD & DevOps: pipelines and IaC (e.g., Terraform), automated testing, and release governance. Version control & collaboration: Git/ ...

Data Engineer (DV Clearable) - Up to £140,000 + Benefits

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Permanent
data structures Hands-on experience with AWS cloud services, particularly: EC2, RDS, Lambda, Athena, Glue Expertise in relational and/or NoSQL databases, including performance tuning Proficiency in Python or similar programming/scripting languages Experience with Test Driven Development (TDD) and automated testing frameworks Desirable Skills Familiarity ...

Site Reliability Engineer (£90k+ + Equity) at EQUALS

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
ElastiCache, and Lambda. Own the monitoring and observability stack using Datadog APM to reduce alert fatigue and lead incident response. Optimize data pipelines and performance, including Airbyte replication and PostgreSQL tuning for high-concurrency music streaming. The ideal candidate: Deep expertise in AWS (ECS/Fargate … Infrastructure-as-Code using Pulumi, Terraform, or CDK. Strong PostgreSQL and Redis knowledge, specifically regarding performance tuning, indexing, and connection pooling at scale. Proven experience in incident response and CI/CD management, with the ability to stay calm and diagnose issues in production. #J-18808-Ljbffr ...

SQL Server & Data Platform Engineer

Hiring Organisation
Spencer Rose Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 90,000 Annual
organisation's hybrid data platform while developing your expertise in modern Data Platform Engineering. Key Responsibilities Manage and optimise enterprise SQL Server environments, ensuring performance, availability and resilience. Support database upgrades, maintenance activities and disaster recovery processes. Build and enhance automated deployment pipelines using PowerShell, Terraform and Azure DevOps. … Champion best practices across database administration, automation and platform engineering. Skills & Experience Strong commercial experience administering SQL Server environments. Excellent knowledge of SQL Server performance tuning, indexing and high availability technologies. Experience with upgrades, backups and disaster recovery planning. Exposure to Azure SQL or cloud-based data platforms. ...

Data Engineer

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £75,000 per annum
senior role (up to £75K), additionally: Proven experience supporting CRM or Dynamics 365 data migrations Data reconciliation and validation experience at a project level Performance tuning of complex SQL/T-SQL at scale Confidence taking ownership of workstreams and mentoring junior team members Desirable for both: PySpark ...

Lead Data Engineer

Hiring Organisation
Human Fertilisation & Embryology Authority
Location
London, E20 1JQ, United Kingdom
Salary
£54500.00 to £62500.00
Register database. This role is accountable for the strategic and operational stewardship of HFEAs key databases, including The Register, with responsibility for performance, security, availability, integrity and continuous improvement. Working closely with IT and business stakeholders, the postholder will lead the planning and delivery of upgrades and migrations … daily operational assurance of SQL Agent jobs, PRISM failed tables and Service Broker queues, driving timely remediation and continuous improvement. Lead weekly performance and reliability reviews of PRISM indexing, deadlocks, SQL Server health and automated maintenance tasks, identifying trends, risks and preventative actions. Own the triage and resolution ...

Databricks Platform Engineer

Hiring Organisation
Sagacity
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Define environment strategies (dev/test/prod), CI/CD pipelines, and release processes for Databricks deployments Implement monitoring, logging, cost optimisation, and performance tuning across the platform Design and implement data pipelines using Delta Live Tables, Auto Loader, and Databricks Workflows for both batch and streaming … GDPR, ISO 27001, sector-specific standards) What success looks like in the role: Delivery of robust, secure, and scalable Databricks platforms that meet client performance and cost expectations Clear, well-architected solutions that balance flexibility, governance, and operational efficiency Strong client relationships built on trust, technical credibility, and effective ...

Senior Database Developer (SQL)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
deliver scalable solutions Design and enhance data pipelines, reporting solutions, and operational tooling Support and improve critical business applications and databases Contribute to performance tuning, automation, and continuous improvement initiatives Collaborate with development teams across the wider technology function Requirements Strong commercial experience working with SQL and relational ...

C#.Net Developer

Hiring Organisation
Boston Hale
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £75,000 per annum
transactions and flows Driving projects from inception through design, build, testing and release Core requirements: Strong C#/.NET development experience Advanced SQL skills (performance tuning, complex queries, data modelling) Azure cloud experience (App Services, Functions, Service Bus, DevOps etc.) Experience building highly available, resilient systems Excellent communication ...

C#.Net Developer

Hiring Organisation
Boston Hale
Location
City of London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £550 per day
release Core requirements: Strong C#/.NET development experience Microservices - Back-end focus on your skills is a must RabbitMQ Advanced SQL skills (performance tuning, complex queries, data modelling) Azure cloud experience (App Services, Functions, Service Bus, DevOps etc.) Experience building highly available, resilient systems Excellent communication skills ...

OSS/BSS Solution architect

Hiring Organisation
IBU CONSULTING LTD
Location
London, United Kingdom
Employment Type
Contract
C++) - Experienced in data persistence across SQL (Postgres, MySQL), NoSQL (Cassandra, MongoDB) and TSDB ( TimescaleDB , InfluxDB , Prometheus TSDB) - Skilled in schema design, optimisation and performance tuning Distributed Systems & State Management - Strong understanding of distributed systems, transaction management and telemetry pipelines - Understands how state is managed across multiple systems ...

Senior Software Engineer – Real-Time Data Platform

Hiring Organisation
Morningstar
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
68200 to 95333.33 GBP Annually
working on a distributed, event-driven platform responsible for processing billions of market data messages per day. This is a high-performance environment where reliability, scalability, and correctness are essential. Our platform acts as the backbone of the business, ensuring that accurate and timely market data flows seamlessly … highly available systems. Define and manage infrastructure using Terraform. Implement CI/CD pipelines and deployment workflows using tools like Harness. Optimise systems for performance, latency, throughput, and cost. What We're Looking For Excellent collaboration and communication skills. Strong experience in distributed systems and event-driven architectures. Hands ...

Application Support Manager

Hiring Organisation
Michael Page Technology
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£450 - £500 per day
offers a professional environment that values technical expertise and effective management. Description Oversee core banking application environments, including patching, EOD processing, and system performance Provide hands-on support for application failures and ensure rapid resolution Collaborate with infrastructure teams on system performance, backup, and recovery Lead and manage … changes, projects, and BAU enhancements Plan and manage workloads, timelines, and resource allocation Ensure effective application support, incident management, and SLA adherence Implement monitoring, performance tuning, and optimisation strategies Manage vendor relationships and ensure third-party support continuity Oversee application upgrades, patches, and maintenance with minimal disruption Maintain ...

Senior Full Stack Software Developer

Hiring Organisation
Corpay
Location
Central London, London, United Kingdom
Employment Type
Permanent
code principles). Participate in code reviews to ensure high-quality deliverables. Take ownership of complex technical problems from discovery through delivery, balancing maintainability, performance, security, and business value. Develop and maintain system features with a focus on performance and scalability. Collaborate effectively with Product Owners, Scrum Masters … modernization involving VB.NET, VB6, or older .NET Framework systems. Front-end development using React, Blazor, or similar frameworks. Third-party integrations and vendor platforms. Performance tuning, observability, monitoring, and production support. Benefits & Perks 4 X Life insurance Pension scheme 5% employer contribution Private Healthcare 25 days Holiday (plus ...

Senior Data Engineer - Databricks

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £80,000 per annum
engineering standards and CI/CD practices across the platform. The Role You'll play a key role in building and evolving a high-performance Databricks lakehouse platform, taking ownership from ingestion through to production deployment. Key responsibilities include: Design, build and operate end-to-end data pipelines using … mature CI/CD pipelines for data engineering (testing, deployment, versioning) Develop reusable, production-ready data frameworks and patterns Drive engineering best practice across performance, security, reliability and cost optimisation Lead technical design decisions and influence long-term data platform strategy Mentor other engineers and raise overall data engineering ...

Cloud Database Engineer

Hiring Organisation
Charles Simon Associates Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
ground running. Extensive Database experience, focusing on PostgreSQL, MySQL Server and CosmosDB Strong Infrastructure as Code (IaC) and Automation Database monitoring and performance tuning SQL replication Deep Azure background Patching, upgrades and maintenance High availability database environments Highly Desirable Skills: Terraform CI/CD pipelines Azure DevOps Kubernetes … Database Engineer will be responsible for: Managing and maintaining cloud and on-prem database environments Supporting critical 24/7 production systems Improving database performance, availability, and resilience Building automation and Infrastructure as Code solutions Implementing and improving monitoring across database platforms Managing backup, recovery, disaster recovery, and maintenance ...

Senior Oracle ERP Technical Consultant

Hiring Organisation
Square One Resources
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
stack will also be considered. Expert-level Oracle Database development skills, including SQL and PL/SQL, with deep knowledge of Oracle RDBMS architecture, performance tuning and advanced development techniques. Experience designing and delivering integrations using Oracle Integration Cloud (OIC), Oracle SOA Suite, or comparable modern integration platforms … audiences. Strong analytical and problem-solving abilities. High attention to detail and commitment to delivering quality outcomes. Benefits & Perks Competitive salary, dependent on experience. Performance-related bonus scheme. 25 days annual leave plus public holidays. Pension scheme. Private healthcare options. Flexible and hybrid working arrangements. If you are interested ...

Enterprise Data Management - Principal Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
time). Coach and develop team members to deliver quality results and promote professional development. People Development Mentor and coach team members through formal, performance evaluation methods and informal, individual feedback opportunities. Collaborate and share knowledge. Practice Development Contribute to practice growth through recruitment, training, and retention. Provide insight … processing layers (batch and real‐time). Define and enforce data governance, stewardship, and lineage practices to ensure traceability, auditability, and compliance. Drive performance tuning, system testing (unit → integration → UAT → parallel), and deployment to production environments ensuring operational readiness. Mentor junior EDM consultants and contribute to implementation best ...

Senior SharePoint Developer and Administrator

Hiring Organisation
Ryder Reid Legal Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Microsoft Graph. SharePoint Administration & Operations Administer both SharePoint SE (on-prem) and SharePoint Online environments. Manage updates, cumulative patches and platform maintenance. Monitor performance, availability, capacity and reliability. Oversee site collections, permissions, authentication, service applications and governance. Support backup, restore and disaster recovery processes. Troubleshoot complex cloud … React, HTML5, CSS3. Strong REST API and Microsoft Graph integration experience. Solid C#/.NET framework experience. Deep knowledge of SharePoint on-prem administration, performance tuning, patching and troubleshooting. Experience with BCS and creating External Content Types. Strong SQL Server skills. Understanding of authentication, permissions, governance and security ...

Lead Data Architect – Security Master Systems (Hybrid)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
master system. In addition to designing and implementing robust data architectures. The successful candidate will lead the security master development team, overseeing the quality, performance, and scalability of the teams’ deliverables. Key Responsibilities – Data Architecture and Design: Lead the design and implementation of the enterprise data architecture, ensuring alignment … Azure) and big data technologies (e.g., Kafka, Spark, Databricks, Snowflake). Expert-level knowledge of building ETL processes in Python. Expert-level knowledge of performance tuning and optimization in a Python/SQL Server environment This role offers highly competitive compensation as well as a flexible hybrid working ...

Principal Data Architect

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £800 per day
optimal results, conforming to standards for but not limited to quality, safety and sustainability. In doing so, they ensure compliance with the defined scope, performance, cost, ROI and schedule through agile delivery and ways of working. The role forms part of the data product teams within a business unit … cost and query optimization including experience with CapitalOne Slingshot. Expertise in advanced concepts like setting up resource monitors, RBAC controls, virtual warehouse sizing, query performance tuning, Zero copy clone, time travel and understanding of how to use these features. Awareness in Data Migration from RDBMS, SAP systems, Salesforce ...