1 to 25 of 97 Performance Tuning Jobs in London

SQL Server DBA

Hiring Organisation
Deerfoot Recruitment Solutions
Location
Sunbury-On-Thames, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
Database Maintenance & Security: Manage and support MS SQL Servers, designing data backups, reviewing security procedures, managing user permissions, and applying crucial patches or upgrades. Performance Tuning & Optimisation: Monitor, optimise and deliver performance tuning or modifications to software code and database migrations to ensure high availability ...

Senior Data Engineer

Hiring Organisation
Eden James Consulting Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Data Factory and Databricks, replacing legacy SSIS pipelines. Identifying opportunities to harden and automate manual steps within the Finance Close workflow Conduct T-SQL performance tuning across on-prem and cloud environments.Conduct T-SQL performance tuning across on-prem and cloud environments. Collaborate with ...

Software Engineer

Hiring Organisation
SS8
Location
Kingston Upon Thames, Surrey, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
visualize the critical intelligence that gives law enforcement, intelligence agencies, and emergency services the real-time insights that help save lives. Our high performance, flexible, and future-proof solutions also enable mobile network operators to achieve regulatory compliance with minimum disruption, time, and cost. SS8 is trusted … with 4 years of experience to join our core engineering team. This role is firmly focused on hands-on C++ development, working on high-performance, high-volume data processing systems in telecom and similar environments. You will collaborate with experienced engineers, contribute to real-world systems, and progressively take ...

SQL Server Automation Engineer

Hiring Organisation
Spencer Rose Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 - 85,000 Annual
City of London offices, therefore you must be within commutable reach of London. Responsibilities: Manage and support SQL Server environments (including Always On, upgrades, performance tuning, HA/DR) Improve how data moves through the platform using Azure Data Factory and related tools Build automation and CI/… use. Experience/Skills required: Strong SQL Server experience in production environments including migration to SLQ Server 2025 is essential Good understanding of performance tuning, indexing, and high availability Experience with upgrades, backups, and disaster recovery Experience in Scripting eg PowerShell Knowledge at a basic level of Terraform ...

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 ...

Data Warehouse Engineer (SC Enhanced)

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
robust row-level security (RLS) Deliver: Layer 1 : Standard operational and management reporting Layer 2 : OLAP-style analytical capabilities for deeper organisational insight Conduct performance optimisation and tuning across the solution Produce technical documentation to support operational handover Collaborate with stakeholders to ensure delivery aligns with discovery outputs … datasets, tabular models, and reporting) Strong experience building data warehouse solutions , including: Star schema design Fact and dimension modelling SCD implementation T-SQL performance tuning Experience working within always-on or mission-critical environments with strict availability and refresh constraints Ability to deliver within an established programme , taking ...

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 MySQL Database Administrator (DBA)

Hiring Organisation
Aristocrat
Location
Greater London, United Kingdom
Employment Type
Full Time
significant impact within an ambitious and innovative organization. This role owns the end-to-end lifecycle of database platforms - from architecture and design, through performance optimization and automation, to incident response and long-term scalability planning. The successful candidate will act as a technical authority for MySQL, partnering closely … databases can safely scale to meet high-traffic, data-intensive workloads. Key Responsibilities Database Architecture & Scalability · Own and evolve the architecture of high-performance, highly available MySQL platforms supporting production game workloads (>50k QPS). · Design database solutions that support long-term data growth, fault tolerance, and operational simplicity. ...

Data Engineer (All Levels, Analytics & Platform) - UK Wide

Hiring Organisation
describe.me
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £120,000 per annum
Principal) Set data architecture, mentor engineers, lead platform strategy and larger initiatives What You'll Bring Technical Expertise: Strong SQL—comfortable with complex transformations, performance tuning and warehouse-specific dialect Strong Python skills (or Scala/Java where relevant) for pipeline development and tooling Hands-on experience with ...

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 ...

Lead Splunk Engineer

Hiring Organisation
Uniting People
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
technical direction. Desirable Experience Experience with any of the following would be advantageous: Control-M xMatters Jira Confluence OpenShift Azure or AWS cloud platforms Performance tuning and optimisation Monitoring and security integrations Security Clearance Due to the nature of the programme, active SC Clearance is essential . Unfortunately ...

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 ...

Principal Engineer (Payments)

Hiring Organisation
Intec Select Ltd
Location
London, Fitzrovia, United Kingdom
Employment Type
Permanent
Salary
£90000 - £115000/annum Hybrid + 25% bonus
with data teams to define robust data pipelines and scalable cloud-based data platforms using tools like Apache Kafka, Snowflake, or Databricks. Monitoring and Performance Tuning: Implement advanced monitoring and observability solutions using tools like Prometheus, Grafana, or Datadog to proactively identify and resolve performance bottlenecks. Code … System Optimisation: Proactively analyse and optimise existing systems for improved performance, scalability, and maintainability. Core skill set for this position: Strong experience building and scaling banking payment systems including either Faster Payments, Real-Time Payments, Card payments, BACS, mobile wallets and APIs is a must have. Experience leading upon ...

SQL Server DBA / Data Engineer

Hiring Organisation
Noir
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £85,000 per annum
Azure, GCP, SQL Server DBA/Data Engineer) Founded in 2010, our client is a rapidly growing software company focused on delivering high-performance data solutions for enterprise clients. With a strong presence across the U.S. and Europe, they're now scaling their operations in the UK to support … their expansion, they are looking for a talented SQL/Data Engineer. In particular, they are looking to move into the field of high-performance data analytics. contribute to the ongoing development and performance optimisation of their mission-critical data platforms. Our client is looking for passionate ...

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 ...

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 ...

Database Reliability Engineer

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
role requires a database reliability expert who can thrive in a dynamic environment, supporting and enhancing highly available, highly reliable database deployments, ensuring optimal performance, and mentoring junior engineers to support our applications. This position will play a vital role in ensuring my clients containerization initiatives succeed and support … Kubernetes and Docker, with substantial experience in automating reliable deployments, building and maintaining resilience within the database platform, secure database operations methodologies, observability and performance management. We are also exploring other NoSQL database engines to support our production strength applications, so experience with diverse database systems is a plus. ...

Staff Engineer - Permanent role (Java 17)

Hiring Organisation
Nicoll Curtin Technology
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 85,000 Annual
Jenkins) and DevOps principles Experience building cloud-native systems (AWS) with scalability and reliability in mind Strong grounding in automated testing (unit, integration, contract, performance) What sets you apart at Staff level This is where the role really differentiates beyond coding: Architecture-first thinking Strong experience with distributed systems … balancing delivery vs engineering quality Operational excellence mindset Experience with observability (logs, metrics, tracing) and production systems Exposure to secure coding, reliability engineering, and performance tuning Nice to have Experience with Kubernetes, containers, or infrastructure as code (Terraform) Familiarity with NoSQL (MongoDB), caching (Redis), and data optimisation Exposure ...

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 ...

Data Engineer

Hiring Organisation
MPower Plus
Location
London, UK
Salesforce and/or .NET/Intelligent Office Experience with Azure DevOps, Git, CI/CD, and automated deployments Strong data engineering skills, including performance tuning for large datasets Ability to design, develop, test, and support scalable data solutions Strong stakeholder management and problem-solving skills Preferred Skills ...

Data Engineer

Hiring Organisation
MPower Plus
Location
City of London, Greater London, UK
Salesforce and/or .NET/Intelligent Office Experience with Azure DevOps, Git, CI/CD, and automated deployments Strong data engineering skills, including performance tuning for large datasets Ability to design, develop, test, and support scalable data solutions Strong stakeholder management and problem-solving skills Preferred Skills ...

Data Engineer

Hiring Organisation
MPower Plus
Location
City of London, London, United Kingdom
Salesforce and/or .NET/Intelligent Office Experience with Azure DevOps, Git, CI/CD, and automated deployments Strong data engineering skills, including performance tuning for large datasets Ability to design, develop, test, and support scalable data solutions Strong stakeholder management and problem-solving skills Preferred Skills ...

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
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 ...