51 to 75 of 206 Performance Tuning Jobs in the UK

Quantexa Senior Manager

Hiring Organisation
Jobleads-UK
Location
Birmingham, England, United Kingdom
technical code reviews and ensure adherence to best practices across the implementation. Mentor and guide development teams in Quantexa data modelling, scoring logic, and performance tuning. Collaborate with architects and data engineers to integrate Quantexa into broader Big Data ecosystems. Communicate complex technical solutions clearly and effectively to both ...

Senior Palantir Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
formats. Able to write quality, testable code and has experience of automated testing. Experience with Continuous Integration and Continuous Deployment techniques. DESIRABLE: Experience of performance tuning. Experience of data visualisation and complex data transformations. Experience with steaming and event-processing architectures including technologies such as Kafka and change-data ...

Senior BI Developer

Hiring Organisation
AJ Bell
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
define requirements, develop best-in-class data products, and produce engaging and accurate reporting used by our teams and senior managers to track performance and make strategic decisions. You’ll also form a key part of our wider data community, ensuring that our organisational data supports our ambitious growth … knowledge of data architecture (Snowflake is preferred), SQL development, security, and process optimisation Advanced SQL development including query development and optimisation, stored procedures, and performance tuning Expert knowledge of end-to-end enterprise BI using Power BI including semantic modelling, DAX, Power Query, data visualisation best practice, report ...

Senior Technical Lead / Architect (Contract)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
environments. The ideal candidate combines strong hands‐on engineering capability with architecture leadership, system design expertise, and a proven track record of optimizing high‐performance, low‐latency applications used by front‐office trading businesses. This role will drive technical strategy, architecture decisions, platform modernization, performance tuning … mission‐critical trading systems. Key Responsibilities: Lead architecture, design, and development of complex trading and market‐facing platforms. Define system architecture, scalability, resilience, and performance strategies for business‐critical applications. Drive modernization of legacy trading systems while ensuring business continuity and platform stability. Partner with traders, quants, business stakeholders ...

DBA - Oracle / SQL

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 470 Daily
supporting business-critical database infrastructure within a secure enterprise environment. This is an exciting opportunity to work on complex, mission-critical systems where reliability, performance and security are paramount. The Role You'll be responsible for ensuring the performance, availability and stability of Oracle and SQL Server databases … optimising database services, resolving incidents and supporting ongoing improvements. Key Responsibilities Monitor, administer and maintain Oracle and SQL Server databases. Proactively manage database performance, health and availability. Investigate and resolve database incidents and carry out root cause analysis. Perform database backups, restores, patching and upgrades. Support High Availability ...

DBA - Oracle / SQL

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
North West, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £470/day
supporting business-critical database infrastructure within a secure enterprise environment. This is an exciting opportunity to work on complex, mission-critical systems where reliability, performance and security are paramount. The Role You'll be responsible for ensuring the performance, availability and stability of Oracle and SQL Server databases … optimising database services, resolving incidents and supporting ongoing improvements. Key Responsibilities Monitor, administer and maintain Oracle and SQL Server databases. Proactively manage database performance, health and availability. Investigate and resolve database incidents and carry out root cause analysis. Perform database backups, restores, patching and upgrades. Support High Availability ...

Principal Java Engineer

Hiring Organisation
Jobleads-UK
Location
Wallingford, England, United Kingdom
architecture and technical direction across multiple products and services. Design, implement and review high-quality Java and full-stack solutions, APIs and integrations. Lead performance optimisation, scalability and resilience initiatives. Drive security best practices, vulnerability remediation and secure software development lifecycle (SDLC) practices. Work closely with Data, Operations, DevOps … complex production issues. Drive improvements in system observability, monitoring and operational performance. Ensure applications are designed and operated to meet reliability, availability and performance targets. Partner with Operations, DevOps and QA teams to maintain production stability and service quality. Embed a culture of operational excellence, continuous improvement and proactive ...

SQL Developer

Hiring Organisation
Fruition Group
Location
York, North Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
optimisation Hands-on experience with Microsoft Power Platform Strong knowledge of Power BI, SSRS and reporting solutions Understanding of data modelling, ETL processes and performance tuning Exposure to Microsoft Azure cloud technologies Strong analytical and problem-solving skills Excellent communication skills with the ability to engage technical ...

SQL Developer

Hiring Organisation
Fruition Group
Location
Grimsby, South Humberside, North East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
optimisation Hands-on experience with Microsoft Power Platform Strong knowledge of Power BI, SSRS and reporting solutions Understanding of data modelling, ETL processes and performance tuning Exposure to Microsoft Azure cloud technologies Strong analytical and problem-solving skills Excellent communication skills with the ability to engage technical ...

Senior Lead Java Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
using HTML, CSS, JavaScript frameworks Experience with Test Driven Development (TDD)/Behavior Driven Development Experience with cloud platforms and container technologies Experience with performance tuning and system optimization Exposure to agile methodologies such as CI/CD, Application Resiliency, and Security Adaptability to changing project requirements ...

Sr Technical Architect

Hiring Organisation
Jobleads-UK
Location
Bracknell, England, United Kingdom
system knowledge: Windows and Linux. Knowledge of Microsoft Azure is a plus. Database skills: Oracle RDBMS, SQL Server; basics of database administration and SQL performance tuning. Experience with integration tools, BY Platform, BYDM. Leadership skills; ability to drive discussions across functional and technical areas. Educational qualification: IT, computer science ...

Senior Java Engineer (Kafka, Kubernetes, SpringBoot) – Banking

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Hands‐on SpringBoot skills. Experience developing and deploying on Unix or Linux. Hands‐on experience of using the Kafka ecosystem. Experience of profiling and performance tuning. Experience of Behaviour‐Driven and Test‐Driven development principles and skills. Experience of Public Cloud development. Soft Skills Ability to motivate those ...

Oracle Database Administrator (DBA)

Hiring Organisation
Flexible Solutionz
Location
Northwich, Cheshire, North West, United Kingdom
Employment Type
Permanent
Salary
£55,000
business-critical systems remain secure, resilient, and high performing. Working closely with development and infrastructure teams, youll be responsible for maintaining Oracle databases, optimising performance, and supporting ongoing technology improvements across the business. Key Responsibilities Administer and maintain Oracle database environments Monitor database health, performance, and availability Manage … backups, restores, migrations and disaster recovery Support database patching, upgrades, and maintenance Troubleshoot and resolve database performance issues Maintain Oracle Enterprise Manager and Oracle WebLogic environments Automate routine administration tasks where possible Ensure database security, compliance, and best practice Collaborate with IT teams to deliver reliable, high-quality services ...

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 ...

Network Engineer (eDV)

Hiring Organisation
Oscar Associates (UK) Limited
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Salary
£80,000
across modern enterprise environments, supporting the design, implementation, and optimisation of critical network infrastructure. You'll play a key role in ensuring the availability, performance, and security of enterprise networking services while working alongside infrastructure, security, and platform engineering teams. The role offers exposure to a broad range … virtualisation, automation, and cloud-connected environments. Key Responsibilities: Support the design, implementation, and maintenance of LAN, WAN, and data centre network infrastructure. Monitor network performance and availability, investigating and resolving network incidents and faults. Configure, maintain, and troubleshoot switches, routers, firewalls, and associated networking equipment. Assist with network upgrades ...

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. ...

Senior Developer - IAM

Hiring Organisation
Vallum Associates Limited
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£550 per day
applications on Google Cloud Platform (GCP). Collaborate with architects, product owners, QA, and DevOps teams. Perform code reviews and mentor junior developers. Drive performance, security, reliability, and operational excellence. Support CI/CD pipelines and automated deployments. Required Skills Strong hands-on experience with Node.js and TypeScript. Expertise … PostgreSQL database design, performance tuning, and optimization. Experience with GCP services such as Cloud Run, GKE, Cloud Functions, Pub/Sub, Cloud Storage, and IAM. Knowledge of Docker, Kubernetes, and CI/CD practices. Experience designing and implementing REST APIs and microservices. Strong understanding of Agile delivery methodologies. ...

Data Analyst

Hiring Organisation
TQR
Location
Bodmin, Cornwall, South West, United Kingdom
Employment Type
Permanent
Salary
£60,000
solutions Data & Reporting (Power BI) Develop and maintain Power BI reports aligned to business requirements Build and optimise data models, including DAX calculations and performance tuning Ensure data accuracy, consistency, and governance (including row-level security) Manage data refresh schedules, gateways, and dataset performance Translate complex data … proposed solutions Provide regular updates to stakeholders on progress and outcomes Essential Experience Minimum 3 years experience with Power BI, including advanced data modelling, performance optimisation, and reusable datasets Proven experience integrating multiple data sources (e.g. SQL, APIs, SharePoint) within an enterprise environment Experience working across multiple business functions ...

Boomi Integration Architect (+Lead Developer)

Hiring Organisation
Jobleads-UK
Location
United Kingdom
extensions. Lead Boomi developers and conduct code and design reviews. Define logging, monitoring, error handling and support processes. Support testing, deployment, production issues and performance optimisation. Produce architecture diagrams, technical designs and mapping documents. Work closely with clients, business teams and technical stakeholders. Strong hands-on experience with Boomi … SFTP and X12 transactions. Strong Java or Groovy scripting skills. Experience integrating ERP, CRM, HCM and e-commerce platforms. Strong troubleshooting and performance-tuning skills. Experience leading and mentoring development teams. Strong client-facing and communication skills. Boomi Developer or Architect certification. Experience with Boomi Master Data ...

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 ...

Systems Administrator

Hiring Organisation
17918
Location
Gloucester, Gloucestershire, United Kingdom
standards, policies, and procedures for continual service improvement. Role responsibilities: Provide first and second level technical support on incidents and problems Monitor overall system performance and ensure smooth system functionality Create, maintain, and utilise documentation Assist building compliance with processes and policies What you will bring to the team … Process and job control (cron, at, systemd timers) Networking fundamentals (TCP/IP, DNS, DHCP, NFS, SSH, FTP) Filesystem management (LVM, ext4, XFS, ZFS) Performance tuning and monitoring (top, vmstat, iostat, sar, netstat) Exposure to automation software such as Ansible/Puppet Knowledge of scripting with Bash, Python ...

Technical Principal Architect - Agentic AI & Messaging

Hiring Organisation
Jobleads-UK
Location
Glasgow, Scotland, United Kingdom
e.g., Kafka, AMPS) for reliable distributed communication. Database architecture: Architect relational and NoSQL data stores (e.g., Oracle/RDS, MongoDB/DynamoDB) for integrity, performance, and growth. Technical oversight: Guide teams on architectural adoption, engineering excellence, and code quality across core languages and platforms. Governance: Establish documentation, review processes … code review in both languages. Strong experience with relational databases (e.g., Oracle, Amazon RDS) and NoSQL databases (e.g., MongoDB, AWS DynamoDB), including schema design, performance tuning, and data modeling. Experience managing and coordinating technology initiatives across multiple regions and applications. Expertise with data architecture and event driven architecture. ...

Data Manager

Hiring Organisation
JMG Group
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Responsibilities: Data platform ownership: Lead the design, operation, and evolution of our SQL Server data warehouse. Establish best practice standards for schema design and performance tuning in SQL Server/SSMS. ETL/ELT & integration: Define and manage pipelines (e.g., SSIS & Power Query) that consolidate sources including core … functions, temp tables, CTEs, query optimisation; confident with advanced SSMS query writing. Significant experience delivering Power BI models and dashboards (DAX, Power Query, RLS, performance). ETL/ELT tooling (SSIS/Power Query) and dimensional modelling (Star Schema). Practical AI/ML exposure (e.g., Python notebooks, Azure ...

Principal Software Engineer AI Native

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
ownership of solution delivery from specification through deployment and ongoing optimisation. Review code and ensure engineering quality, maintainability, security, and performance. Support complex troubleshooting, performance tuning, and root‐cause analysis. AI‐Native Engineering Lead adoption of AI‐assisted development tools and agentic AI workflows. Apply Spec‐Driven Development … architecture and operational excellence. Strong database design and optimisation experience. Experience with relational and NoSQL databases. Understanding of complex data flows, integration architectures, and performance optimisation. Practical experience using AI‐assisted engineering tools. Strong AI literacy and understanding of agentic AI workflows; experience reviewing and validating AI‐generated code ...

SC Cleared Data Engineer - Informatica PowerCentre experience required

Hiring Organisation
Opus Recruitment Solutions
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500/day Remote
/SQL) Proficiency in UNIX/Linux shell scripting Proven experience working in Data Warehouse/ETL environments Experience in data integration, transformation, and performance tuning Strong understanding of ETL frameworks, data pipelines, and batch processing Desirable Skills Working knowledge of SAS (especially in ETL context) Experience ...