1 to 25 of 91 Performance Tuning Jobs in London

Performance Tuning Specialist

Hiring Organisation
Tenth Revolution Group
Location
Kingston Upon Thames, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £55,000 per annum
Performance Tuning Specialist - SQL Server - Remote - Azure - £40,000-£55,000 Why this role I am working with a rapidly growing UK-based managed service provider specialising in SQL Development and DBA services. They're a tight-knit team scaling quickly after bringing in a BD Manager … heard, and you are given the autonomy, trust, and support to make a real impact. What you will be working on:* Deep SQL Server performance tuning across queries, indexes, execution plans, and stored procedures* PowerShell scripting for automation and optimisation* Azure database and cloud environments* Advising ...

SQL Developer

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £55,000 per annum
Developer - Remote - SQL Server - Performance Tuning - Azure - £40,000-£55,000 Why this role? I am working with a company who are a rapidly growing UK-based managed service provider specialising in SQL Development and DBA services. They are a tight-knit team, scaling fast after bringing … ideas are listened to, and you will be given autonomy, trust, and support to deliver real impact. You'll work with: Deep SQL Server performance tuning across queries, indexes, execution plans, and stored procedures PowerShell scripting for automation and optimisation Azure databases and cloud-based environments ...

Snowflake Senior Developer

Hiring Organisation
Resourgenix Ltd
Location
London, United Kingdom
Employment Type
Permanent
Airflow, Azure Data Factory, or similar. Data Modelling: Implement dimensional models (star/snowflake schemas), handle SCDs, and design efficient structures for analytics. Performance Tuning: Optimise queries, manage clustering, caching, and warehouse sizing for cost and speed. Data Quality: Implement testing frameworks (dbt tests, Great Expectations) and ensure … service analytics. Documentation: Maintain clear technical documentation for pipelines, models, and processes. Qualifications Matric and a Degree in IT Strong SQL skills (complex queries, performance tuning) and proficiency in Python for data processing. Experience with ETL/ELT tools (dbt, Airflow, ADF, Informatica, Matillion). Solid understanding ...

API Platform Architect

Hiring Organisation
Hellowork Consultants
Location
London Area, United Kingdom
registries Ingress controllers, API gateways, service mesh, and traffic policy enforcement Observability (Prometheus, Grafana), log pipelines, distributed tracing High availability, cluster upgrades, autoscaling strategy, performance tuning Lead advanced troubleshooting (pods, networking, DNS, controllers, storage, ingress). 5. Azure API Management (APIM) & API Security Deep hands-on expertise … lifecycle , including APIOps automation, environment promotion, deployment versioning, api backend health check frameworks, and rollback strategies. Implement API analytics, distributed tracing, alerts, performance tuning, and troubleshooting. 6. Reliability Engineering & Platform Operations Lead root-cause analysis, high-severity incident resolution, and resilience improvements. Ensure uptime, performance, and reliability ...

Oracle DB technical Architect

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £549 per day
migration and integration of databases across multi cloud database environments including Oracle Cloud AWS Azure and Google Cloud Ensure high availability scalability and performance of database systems Collaborate with cross functional teams to define and implement database solutions that meet business requirements. Requirements: Handson experience with migrating large databases … with migrating database to ATPADW Design Database consolidation and reduce OPEX spending Provide technical leadership and mentorship to junior database architects and administrators Conduct performance tuning capacity planning and security assessments Stay updated with the latest advancements in database technologies and cloud offerings Implement and manage Exadata ...

Senior Linux / Oracle DBA

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
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 ...

Senior Database Developer

Hiring Organisation
Crypto
Location
London, UK
strong background in relational data modeling. The ideal candidate will be responsible for designing, developing, and maintaining Oracle database applications, ensuring optimal performance and reliability. Responsibilities Design, develop, and maintain Oracle database applications using PL/SQL Create and optimize complex SQL queries, stored procedures, functions, and triggers Develop … data models to support business requirements Collaborate with cross-functional teams to gather and analyze requirements and translate them into technical specifications Perform database performance tuning and optimization to ensure efficient data retrieva and processing Conduct code reviews and provide constructive feedback to ensure code quality and adherence ...

Data Engineer

Hiring Organisation
Robert Half Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
move toward predictive analytics and ML Ops workflows. Role The Data Engineer will own and assess the Snowflake platform, proposing and executing optimisation around performance, cost, scalability, and architecture improvements. Lead DBT development and maintenance, with emphasis on test frameworks, transformation efficiency, and eliminating redundant or resource-heavy flows … maintain CI/CD pipelines to automate reliable deployment of data transformations. Provide deep insight into Snowflake infrastructure, including cost and pricing models, performance tuning, and resource governance. Support ML Ops/predictive analytics operationalisation - managing updates, performance monitoring, and change rollout rather than building models from ...

Platform Engineer

Hiring Organisation
Ncounter LTD
Location
East London, London, United Kingdom
Employment Type
Permanent
experience configuring, administering, and supporting Solace PubSub+ environments. You will take ownership of the full lifecycle of the messaging platform, from deploying brokers and tuning performance to managing access controls, optimising resources, and ensuring reliable application connectivity across the estate. This role suits someone who enjoys being close … hands-on experience configuring, administering, and troubleshooting Solace PubSub+ Strong understanding of event-driven and messaging principles Good knowledge of networking concepts, platform performance tuning, and cloud deployment patterns Ability to analyse issues across application, network, and infrastructure layers Clear communication skills and the ability to collaborate across ...

Platform Engineering – Solace

Hiring Organisation
Ncounter
Location
East London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£13,000 - £150,000 per annum
experience configuring, administering, and supporting Solace PubSub+ environments. You will take ownership of the full lifecycle of the messaging platform, from deploying brokers and tuning performance to managing access controls, optimising resources, and ensuring reliable application connectivity across the estate. This role suits someone who enjoys being close … hands-on experience configuring, administering, and troubleshooting Solace PubSub+ • Strong understanding of event-driven and messaging principles • Good knowledge of networking concepts, platform performance tuning, and cloud deployment patterns • Ability to analyse issues across application, network, and infrastructure layers • Clear communication skills and the ability to collaborate across ...

Data Engineer

Hiring Organisation
Cerberus Capital Management
Location
London, UK
Employment Type
Full-time
software engineers to ensure seamless data integration and availability for predictive modeling and business intelligence. Optimize data storage and processing in Azure environments for performance, reliability, and cost-efficiency. Implement best practices for data modeling, governance, and security across all platforms. Troubleshoot and enhance existing pipelines to improve scalability … love to hear from you. Strong technical foundation: Degree in a STEM field (or equivalent experience) with hands-on experience in production environments, emphasizing performance optimization and code quality. Python expertise: Advanced proficiency in Python for data engineering, data wrangling and pipeline development. Cloud Platforms: Hands-on experience working ...

Senior Compiler Engineer

Hiring Organisation
IC Resources
Location
London, UK
Employment Type
Full-time
Remote (UK/EU) Working Model: Fully Remote The Company Spectral Compute is a deep-tech startup building compiler technology that enables portable, high-performance GPU computing across diverse hardware platforms. Their work removes vendor lock-in by allowing existing CUDA applications to run efficiently across different … heterogeneous compute. Compiler Engineer Responsibilities: Design and develop compiler infrastructure for GPU and accelerator targets Build and optimise compiler passes, code generation, and performance layers Analyse performance bottlenecks and drive low-level optimisations Work closely with systems and performance engineers on cross-platform support Contribute ...

High-Performance Computing Engineer

Hiring Organisation
Hamilton Barnes 🌳
Location
City of London, London, United Kingdom
Engineer – High-Performance Computing & Quantitative Systems London - Hybrid Salary: up to £70,000 A specialist technology consultancy is seeking an HPC Engineer to work at the intersection of high-performance computing, cloud infrastructure, and quantitative finance. This role focuses on designing, optimising, and debugging large-scale compute platforms … experts. This is a hands-on role for someone who enjoys understanding how systems behave at a deep level and wants real ownership over performance-critical solutions, rather than working in a ticket-driven or product-only environment. What you’ll be working on Optimising large-scale risk ...

Senior Site Reliability Engineer

Hiring Organisation
Stratospherec Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum Excellent Benefits package
life of millions of University students across the globe. In this role, you will apply your Software Engineering experience to enhance system performance and reliability, as well as building internal systems and capabilities that eliminate manual work through automation. You'll be joining our Platforms teams with globally-dispersed … logging systems to identify and respond to incidents Ensure scalability and efficiency of cloud infrastructure and systems to handle traffic and data growth Conduct performance tests to identify and remediate bottlenecks Develop and maintain platform solutions, automate infrastructure provisioning, configuration, and management tasks using Infrastructure as Code. Monitor, review ...

Senior Software Engineer

Hiring Organisation
Retelligence
Location
London, UK
Employment Type
Full-time
teams. Additional Competencies Experience with event sourcing, CQRS, or stream processing is a plus. Exposure to automated testing frameworks for .NET applications. Understanding of performance tuning, scalability, and resilience in distributed systems. Passion for technology, with a willingness to explore and learn new tools and frameworks. Ability ...

Senior C# Developer

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
teams and provide occasional out-of-hours support. Essential Skills Strong proficiency in .NET Framework/Core . Experience with SQL Server and Oracle performance tuning. Knowledge of secure SDLC practices and OWASP principles. Hands-on experience with CI/CD pipelines and troubleshooting across Windows Servers and databases. ...

Solace Administrator

Hiring Organisation
BGC Group
Location
City of London, London, United Kingdom
join our Messaging team. You will be responsible for managing and supporting our enterprise messaging infrastructure built on Solace PubSub+, ensuring high availability, optimal performance, and reliability across production and non-production environments. This includes working on incident response, capacity planning, WAN optimization, and system observability using tools like … software brokers across environments (on-prem and cloud). Provide production support for messaging-related incidents, including root cause analysis and resolution. Monitor system performance and health using Prometheus and Grafana ; proactively identify and address anomalies. Configure and optimize Solace across WAN environments , ensuring low-latency, secure, and reliable ...

SQL Database Administrator

Hiring Organisation
System Recruitment Specialists Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Database Administrator to take ownership of a large and complex SQL Server estate. This is a hands-on role where youll ensure high availability, performance, and security across multiple environments, while proactively monitoring and resolving issues before they impact the business. If youre passionate about performance tuning … upgrade SQL Server instances. Manage and maintain a large-scale SQL Server environment across multiple platforms. Implement robust backup, restore, and disaster recovery strategies. Performance & Optimisation Tune queries and stored procedures for maximum efficiency. Design and maintain indexing strategies. Conduct regular health checks and capacity planning. Monitoring & Troubleshooting Proactively ...

Software Engineer - Database & Display

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £600 per day
Scripting C, C++, PERL, Java or equivalent for application interfacing and scripting Data Handling Real-time data acquisition, Historian integration, data replication, and logging Performance Tuning & Monitoring Query optimization, indexing, database health monitoring Version control with Git, SVN, or equivalent Design, develop and maintain databases and data models …/DMS/SCADA) Develop, enhance, and maintain display applications, dashboards, and HMI interfaces/Station displays for operators and engineers Ensure high performance, reliability, and integrity of database system under real-time operational loads Perform database tuning, indexing, query optimization, and performance monitoring Develop and maintain ...

Tech Lead - Data Analytics & Data Engineering (AWS) - SC+NPPV3

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day
delivering data ingestion, transformation, and storage patterns using S3, AWS Glue, and Redshift Owning data architecture decisions, including data modelling, partitioning strategies, and performance optimisation Defining and enforcing engineering standards across code quality, testing, CI/CD, IaC, and observability Building and optimising ELT/ETL pipelines using Glue … domains Strong hands-on experience with: Amazon S3 (data lake patterns, partitioning, lifecycle management) AWS Glue (Jobs, Crawlers, PySpark, orchestration) Amazon Redshift (data modelling, performance tuning, WLM, Spectrum) Advanced Python (PySpark) and SQL skills Experience implementing CI/CD pipelines and Infrastructure as Code Proven ability to engage ...

Senior Technology Architect - Data Platform Architect - UK

Hiring Organisation
Infosys
Location
City of London, London, United Kingdom
Power BI, Azure, and Confluent technologies. You will lead platform strategy, administration, and integration to support scalable analytics and data engineering solutions. Responsibilities include performance optimization, governance, automation, and enabling secure, reliable data flows. This role requires strong leadership, cross-functional collaboration, and hands-on technical proficiency. Your role … prem environments. You will lead platform strategy and operations for technologies including Snowflake, SQL Server, Power BI, Azure, and Confluent, ensuring high availability, performance, and scalability. You will collaborate with cross-functional teams to design and implement platform solutions that support data engineering, analytics, and business intelligence initiatives. Your ...

Data Engineer

Hiring Organisation
UST
Location
London Area, United Kingdom
Engineer with deep expertise in Power BI and enterprise-scale reporting environments. The ideal candidate will be responsible for designing, optimizing, and maintaining high-performance semantic models, delivering end-to-end BI solutions, and supporting distributed reporting across multiple business domains. Key Responsibilities: Power BI Development & Engineering Build … optimize Power BI Semantic Models for large datasets (4–5GB+). Develop high-performance dashboards using Power BI Desktop & Power BI Service . Write advanced, performance-optimized DAX following best practices. Leverage Power Query (M) for scalable data ingestion and transformation. Perform deep model optimization using Tabular Editor ...

Cloud Platform & DevOps Engineer

Hiring Organisation
Exponential-e
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
connectivity, firewalls, and SDN configurations, troubleshooting issues and supporting resilience improvements. Provide 2nd/3rd line support for Windows and Linux systems, managing updates, performance tuning, and configuration consistency. Maintain accurate system and configuration documentation, supporting compliance and governance requirements. Collaborate across teams to improve operational efficiency, automate ...

Data Engineer Snowflake and Matillion - £425PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £425 per day
data from multiple sources into Snowflake Develop and optimize data models in Snowflake for analytics and reporting use cases Ensure data quality, reliability, and performance across pipelines and warehouse workloads Collaborate with analytics engineers, data analysts, and stakeholders to understand data requirements Implement best practices for Snowflake (clustering, scaling … cost optimization, security) Monitor and troubleshoot data pipelines, resolving failures and performance issues Manage and evolve data transformations using SQL and version control Document data pipelines, models, and business logic for long-term maintainability Support CI/CD processes and promote automation across the data platform Required Qualifications 3+ ...

Data Engineer (Snowflake and Matillion) - £425PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £425/day
data from multiple sources into Snowflake Develop and optimize data models in Snowflake for analytics and reporting use cases Ensure data quality, reliability, and performance across pipelines and warehouse workloads Collaborate with analytics engineers, data analysts, and stakeholders to understand data requirements Implement best practices for Snowflake (clustering, scaling … cost optimization, security) Monitor and troubleshoot data pipelines, resolving failures and performance issues Manage and evolve data transformations using SQL and version control Document data pipelines, models, and business logic for long-term maintainability Support CI/CD processes and promote automation across the data platform Required Qualifications 3+ ...