76 to 100 of 263 Performance Tuning Jobs in the UK

Lead Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
provides market infrastructure and information services. These include: Bullish Exchange – a regulated and institutionally focused digital assets spot and derivatives exchange, integrating a high-performance central limit order book matching engine with automated market making to provide deep and predictable liquidity. Bullish Exchange is regulated in Germany, Hong Kong … Gibraltar. CoinDesk Indices – a collection of tradable proprietary and single-asset benchmarks and indices that track the performance of digital assets for global institutions in the digital assets and traditional finance industries. CoinDesk Data – a broad suite of digital assets market data and analytics, providing real-time insights into ...

Business Intelligence Developer

Hiring Organisation
Nigel Wright Group
Location
Doxford International Business Park, Sunderland, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
Intelligence Developer. The Role Joining a newly formed team, you will take ownership of transforming ingested data from the staging layer into governed, high performance star schema models within the reporting layer using Azure Databricks and Azure SQL. Other key responsibilities include: Data Modelling - Design and maintain star schema … centralising KPI logic and improving consistency across the reporting estate. Platform Management - You will support management and optimisation of Tableau data sources including performance tuning and refresh reliability Collaboration - Strong stakeholder engagement will be required, including the ability to explain modelling decisions to non-technical audiences The Requirements ...

Database Administrator (DBA)

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
Swindon, Wiltshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £620 per day
role is a hybrid role based off 2 working days a month in the Swindon office. This role is focused on optimisation, stability, and performance —working hands-on to ensure the database environment is running efficiently, reliably, and at scale. Key Responsibilities Optimise and tune PostgreSQL databases to improve … performance and reliability Troubleshoot and resolve complex database issues and query bottlenecks Monitor database health, performance, and availability Ensure platform stability through proactive maintenance and improvements Analyse and optimise SQL queries, indexing strategies, and execution plans Support incident resolution and provide root cause analysis Implement best practices across ...

Lead Data Engineer - London

Hiring Organisation
Michael Page
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90000 - £110000/annum Benefits
requirements and deliver tailored solutions. Ensure data quality, integrity, and security across all systems and processes. Optimise and troubleshoot existing data architectures to improve performance and reliability. Implement best practices for data engineering, including version control, testing, and documentation. Work closely with stakeholders to provide insights and support data … Python for ETL/ELT pipelines Proven ability to lead, mentor, and develop data engineering teams Hands-on experience with data warehousing, modelling, and performance tuning Solid understanding of data governance, quality, and lineage frameworks Experience implementing monitoring, automation, and platform reliability practices Strong stakeholder management skills, translating ...

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 ...

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 ...

SQL DBA - Contract

Hiring Organisation
Be-IT Resourcing
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
£450 per day
seeking an experienced SQL Server Database Administrator to join our client on a 6-month contract. The role will focus on ensuring the performance, availability, security, and integrity of mission-critical SQL Server environments, while supporting ongoing operations, improvements, and project work. This role is well suited … work closely with development, infrastructure, and cloud teams. Key Responsibilities Administer, maintain, and support Microsoft SQL Server environments (2016–2022+) Monitor and optimise database performance, capacity, and availability Manage backup, restore, and recovery processes; test and validate DR procedures Troubleshoot and resolve production database issues and incidents Implement ...

BMC Helix Architect

Hiring Organisation
Vallum
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
operational improvement programs. Strong troubleshooting and problem-solving skills with the ability to resolve complex platform and integration issues. Experience in platform upgrades, migrations, performance tuning and environment optimization activities. Ability to produce architecture documentation, solution designs, technical standards and operational procedures. Excellent stakeholder management, communication and collaboration ...

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 ...

DevOps Engineer

Hiring Organisation
Twinstream Limited
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
shell scripting and command-line tooling AWS environments and cloud infrastructure Monitoring and observability tools including Prometheus, Grafana or InfluxDB SQL and relational databases Performance tuning, troubleshooting, scaling and disaster recovery Network security principles and protocols Desirable Experience Any of the following would be beneficial: Managed service environments ...

Senior Software Engineer, Client Group

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
business users and technologists Ability to have constructive technical discussions What would be useful: An interest or experience with Angular and Typescript Familiarity with performancetuning PostgreSQL and/or MSSQL Experience in financial services Technologies we use: C#/.NET Microservices/Event‐Driven architecture Cloud‐distributions ...

SPLUNK Engineer

Hiring Organisation
Sopra Steria
Location
Hemel Hempstead, Hertfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£64,000 - £96,000 per annum
suited to someone with strong Splunk Enterprise and Splunk Enterprise Security experience, who can take ownership of platform engineering, data ingestion, detection content and performance tuning across complex client environments. This is a key technical leadership role, responsible for ensuring the right tooling, controls and processes … processes. Automate workflows and platform configurations using CI/CD, SOAR, scripting and Infrastructure as Code tools such as Terraform and Ansible. Ensure platform performance, stability and resilience through capacity planning, high availability, disaster recovery and proactive monitoring. Provide technical leadership and guidance to internal teams and clients ...

Azure DevOps Engineer

Hiring Organisation
Proactive Appointments
Location
Surrey, United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 - 75,000 Annual
continuous delivery processes * Collaborate with development teams on infrastructure and environment decisions * Troubleshoot and resolve complex platform and application issues * Implement monitoring, logging, and performance optimisation solutions * Participate in paid out-of-hours deployment activities and support rota * Contribute to infrastructure automation and platform scalability initiatives Skills & Experience * 2+ … Server * Application monitoring and logging tools * Experience supporting microservices-based architectures * Knowledge of IIS, SSO, Cosmos DB, NGINX, and Azure Application Insights * Platform performance tuning and optimisation experience Desirable * Bicep and ARM Templates * Cloudflare * Octopus Deploy * C#/.NET knowledge * Prometheus and Grafana * Seq, Loki, or similar logging ...

Senior Database Engineer - RegTech AI & Cloud Ops

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
RegTech business is seeking a Database Administrator to support SQL Server databases critical to business operations. This role involves hands-on DBA activities, including performance tuning, automation of processes using T-SQL and PowerShell, and responding to database incidents. The ideal candidate will have experience with cloud environments … forefront of regulatory technology and make a significant impact in the industry. Responsibilities Perform hands-on DBA activities for SQL Server databases, including monitoring, tuning, and optimization to ensure performance and reliability. Automate repetitive database tasks using T-SQL and PowerShell. Respond to database incidents, perform root-cause ...

Director of Software Engineering (UK)

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Flosum , we are building the world's best software for the modern enterprise. Our team is passionate about crafting elegant, high-performance products that delight our customers and set a new bar for engineering excellence. We combine deep expertise in cloud-native development with a relentless focus on quality … This is a hands‐on leadership role for a technical architect at heart who can compress delivery schedules, drive developer velocity, and own the performance of the overall solution. You will be the single point of accountability for turning our roadmap into shipped software—on time, at quality ...

Manager – Site Reliability Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
hands-on leader with deep technical expertise and strong critical thinking. ## ## Role summary:You will be responsible for ensuring stability, resilience, and performance of our production systems while driving continuous improvement and SRE best practices across the platform.## What you'll be doing:* **Service Ownership**Assume … accountability for Clearing production environment, ensuring high availability, optimal performance, and robust resilience of business-critical systems.* **Incident Management & Crisis Leadership**Act as Incident Commander during major incidents, leading resolution efforts, managing stakeholder communications, and driving root cause analysis and remediation.* **Team Leadership & Talent Development**Build and mentor ...

Senior Software Engineer

Hiring Organisation
Understanding Recruitment
Location
United Kingdom
Senior Software Engineer (C++) 📍 Remote (UK/Europe) 🏦 High-Performance Trading Systems 💰 Up to £180k + bonus + equity We’re hiring a Senior C++ Engineer to work on the systems that sit at the heart of a global trading platform. This is a backend, systems-focused role centred … around performance-critical engineering — building the infrastructure that enables fast, reliable, and secure execution at scale. 🚀 The Role You’ll be working on the core framework and performance-critical components that underpin the trading engine. Your responsibilities will include: Designing and building low-level systems that support high ...

L3 Database Administration

Hiring Organisation
LA International Computer Consultants Ltd
Location
Glasgow, Lanarkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 450 Daily
etc. * Expertise in Patroni for HADR and streaming replication. * Strong knowledge of Postgres/Greenplum database backup and recovery strategies. * Proven experience in performance tuning and optimization for Postgres/Snowflake and Greenplum. * Develop and maintain backup strategies to ensure data integrity and availability. * Manage … upgrades in Postgres. * Perform data migrations using gpcopy and other tools, minimizing downtime and data loss. * Manage database bloat and leverage statistics for performance optimization. * Understand and utilize GPTEXT for troubleshooting complex issues. * Leverage Greenplum utilities like gpload, pxf, and GP Spark for efficient data loading and integration. * Ensure ...

Junior Platform Engineer: £85k + Bonus/benefits (High Frequency Trading)

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
working with a fast-growing technology-driven trading firm looking to hire a Junior Platform Engineer to support a globally distributed, high-performance infrastructure environment powering real-time data and trading operations. This is an opportunity to join a highly technical team working across multi-cloud infrastructure, Linux systems … fast-paced environment. What you’ll be working on: • Supporting a 24x7 global infrastructure environment across cloud and on-prem systems • Improving platform performance, automation, and operational processes • Working closely with development and infrastructure teams on architecture and scalability • Managing infrastructure across multi-region/multi-cloud environments • Linux ...

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 Java Developer - Capital Markets

Hiring Organisation
Reed
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £125,000 per annum, Inc benefits
Senior Java Developer Annual Salary: Competitive with performance-related bonus Location: City of London (Hybrid - 3 days a week onsite) Job Type: Full-Time, Permanent A new exciting opportunity has become available for an experienced Senior Java Developer to join a growing Technology department working specifically within Capital Markets … customising third-party trading systems. This position is a key step towards a Head of Engineering role, anticipated within 24 months based on performance and organisational growth. Day-to-day of the role: Design, develop, and maintain in-house systems, APIs, reporting tools, and the client web portal. Implement ...

ServiceNow Technical Architect- Outside IR35

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
vision, uncover requirements, constraints, and opportunities. Design end‐to‐end ServiceNow solutions and technical architectures that align with organization’s strategic goals, considering scalability, performance, security, maintainability, integrations, data model, and user experience. Define roadmap(s) and solution intent/blueprints: translate business goals into architecture, technology decisions, module … strategy, environment strategy, upgrade/migration plans. Support pre‐sales/proposal efforts by scoping, estimating, and designing reference architectures. Participate in operational considerations: performance tuning, capacity planning, availability, disaster recovery, security compliance. Stay up to date with new ServiceNow features, modules, trends (e.g., AI/ML, data ...

Senior Oracle Developer

Hiring Organisation
Hays Technology
Location
Glasgow, City of Glasgow, United Kingdom
Employment Type
Contract
database development on Oracle 19g and data warehousing projects Manage and monitor Oracle Jobs (creation, scheduling, auditing) Optimise queries and improve PL/SQL performance Work across the full SDLC, from design through to deployment Analyse and interpret entity relationship diagrams (ERDs) and data models Collaborate with team members … Proven experience with Oracle Forms/Reports (10g/11g) and Oracle 19g Solid understanding of data warehousing concepts Experience with query optimisation and performance tuning Ability to work independently across the software development lifecycle Strong knowledge of ER diagrams and data mapping Experience managing Oracle Jobs ...

Bioinformatics Data Engineer (RNA Resources)

Hiring Organisation
EMBL-EBI
Location
Saffron Walden, Essex, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£60,000
Rfam and RNAcentral. You will work closely with cross-functional teams to analyse requirements, propose new data pipeline architectures, and implement solutions to improve performance and scalability. The tasks will include: Analysing existing data curation and data production pipelines and identifying areas for improvement, optimisation, and scalability. Modernising … Python and other relevant languages for bioinformatics tool development. Experience with relational databases (PostgreSQL, MySQL) and SQL: knowledge of PostgreSQL and MySQL database architecture, performance tuning, partitioning strategies, indexing techniques, and query optimisation. Demonstrated track record of developing and maintaining production bioinformatics pipelines with workflow management systems such ...

Outsystems Developer

Hiring Organisation
Coltech
Location
London Area, United Kingdom
using REST/SOAP APIs and external services Develop reusable components, UI patterns, and application logic Support testing, deployment, and environment promotion activities Troubleshoot performance issues and support optimisation across applications Collaborate with cross-functional teams on delivery, releases, and hypercare Contribute to documentation, governance, and best practice standards … APIs, OAuth, SQL) Good understanding of relational databases (SQL Server or Oracle) Knowledge of JavaScript and CSS for UI customisation Understanding of application security, performance tuning, and scalable design principles Desirable Experience OutSystems certifications (Associate, Professional, Tech Lead) Exposure to CI/CD pipelines and DevOps practices Experience ...