1 to 25 of 148 Permanent Performance Tuning Jobs in the UK

Senior Power BI Architect

Hiring Organisation
Persistent Systems
Location
Watford, England, United Kingdom
lead the design, development, and optimization of enterprise-scale BI solutions. This role requires deep technical expertise in Power BI, data modeling, and performance tuning, especially for large and complex datasets. The ideal candidate will be proficient in tools like DAX Studio, Tabular Editor, and Azure-based data … + Amazon QuickSight). Design and optimize complex data models using Tabular Editor and DAX Studio. • Manage and optimize very large datasets (VLDB) for performance and scalability. Collaborate with business stakeholders to gather requirements and translate them into technical solutions. Lead performance tuning, including DAX optimization ...

RPG Developer - Banking

Hiring Organisation
Rothstein Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 - 90,000 Annual
i. This is a hands-on role for a genuinely strong RPG/IBMi engineer who can go beyond coding into system-level understanding, performance, and security. You'll be working on a live, business-critical environment, owning development, enhancement, and support of key applications, with real visibility across … business teams on new functionality Troubleshoot and resolve complex production issues using joblogs, journals, and OS-level tooling Evaluate and improve existing applications (performance, structure, maintainability) Contribute to Agile ceremonies (Show & Tell, sprint delivery, etc.) Produce technical documentation and user guidance Support critical systems, including occasional out-of-hours ...

Vice President, Platform Engineering - Windows SRE

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
self-service* Deliver continuous service improvement by developing Infrastructure as Code* Eliminate manual, repetitive, automatable, tactical tasks that are devoid from value* Improve system performance, make effective use of resources, distribute load and reduce latency* Identify SLO’s (Service Level Objectives) to meet availability and latency objectives* Develop … Microsoft Windows Server internals and related technologies* Excellent skills in managing and maintaining Active Directory, DHCP, DNS, LDAP and Kerberos* Extensive experience in hardware performance monitoring and tuning complex low latency systems.* Agile, Site Reliability Engineering (SRE) and DevOps Principles and practices* Exceptional knowledge of scripting and programming ...

Data Engineer

Hiring Organisation
Robert Walters
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £60,000 per annum
organisation's data platform, covering both SQL Server workloads and a modern cloud-based data ecosystem. You'll ensure the reliability, scalability and performance of data pipelines, enabling high-quality analytics and supporting self-serve visualisation for teams across the business. This is a hands-on role where … development of cloud-based solutions, and play a key part in strengthening data governance, quality, and accessibility. Data Engineer Responsibilities Data Reliability & Performance Maintain and optimise SQL Server databases hosted on AWS RDS. Troubleshoot SSIS packages and scheduled jobs. Conduct performance tuning, query optimisation, indexing and cost ...

DevOps Engineer

Hiring Organisation
Infinity Quest
Location
Halifax, England, United Kingdom
Networking & Security: Experience with GCP Cloud Armor, GCP Networking, and embedding secure-by-design controls from design to runtime. • Automation & Observability: Implementing actionable observability, performance tuning, and automation to reduce toil. Defining and operating against SLOs/SLIs. • Scripting & Tooling: Scripting in Bash, PowerShell, or Python. Familiarity with … managing Google resources, ensuring repeatability and compliance. • Security & Compliance: Embed security best practices and controls throughout the platform lifecycle, safeguarding organisational and customer data. • Performance & Reliability: Define, monitor, and operate against service level objectives (SLOs/SLIs), ensuring high availability, performance, and fault tolerance. • Continuous Improvement: Drive automation ...

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 ...

SQL Database Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Warrington, Cheshire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
Role: In the short term, the successful candidate will take ownership of modernising legacy application databases. This will involve designing and implementing scalable, high-performance database architectures to replace existing MySQL backends supporting application services. They will lead the migration of data from legacy platforms into new Microsoft … Server environments, ensuring data integrity, optimal performance and minimal disruption to live systems. The role will also be responsible for configuring SQL Server security and access controls, including the creation and management of developer roles and permissions to support application connectivity and deployment. Over time, the focus will shift ...

Database Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Wigan, Greater Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
Role: In the short term, the successful candidate will take ownership of modernising legacy application databases. This will involve designing and implementing scalable, high-performance database architectures to replace existing MySQL backends supporting application services. They will lead the migration of data from legacy platforms into new Microsoft … Server environments, ensuring data integrity, optimal performance and minimal disruption to live systems. The role will also be responsible for configuring SQL Server security and access controls, including the creation and management of developer roles and permissions to support application connectivity and deployment. Over time, the focus will shift ...

Senior Java Developer (Low-Latency Payments Systems)

Hiring Organisation
RE Partners
Location
City of London, London, United Kingdom
based in the UK or US and offers the opportunity to build scalable, real-time services using modern technologies. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities … DevOps, Product, and QA teams to ensure production-grade solutions. Participate in architectural discussions, advocate for best practices, and provide mentorship to peers. Drive performance tuning, fault tolerance, and observability improvements across services. Required Skills & Experience: 5+ years of experience in Core Java development with a focus ...

Data Platform Solution Architect

Hiring Organisation
MarkJames 🌍
Location
Essex, England, United Kingdom
scalable, cloud-native data platforms in Basildon . This role will focus on building modern lakehouse architectures leveraging AWS and Snowflake, ensuring high performance, reliability, and governance across enterprise data ecosystems. Key Responsibilities Design and deliver end-to-end data platform architecture using Snowflake, AWS, and modern lakehouse principles … blueprints Architect and optimise data pipelines using Airflow/MWAA and dbt Define and implement data lakehouse solutions using Apache Iceberg and S3 Lead performance tuning across Snowflake, Airflow, and Iceberg environments Ensure platform reliability, observability, and scalability Drive adoption of cloud-native design patterns and best practices ...

Oracle Analytics Consultant - SC cleared - £400 outside IR35

Hiring Organisation
RP Recruitment Ltd
Location
Andover, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
Up to £400 per day
solutions , including data modelling Develop OAS dashboards and reports for business insights Provide production support and resolve data/ETL/reporting issues Perform performance tuning across RPD, ODI, queries, and reports Maintain technical documentation and best practices Required Skills & Experience Strong hands-on experience with Oracle Analytics … Proven expertise in RPD development and modelling Solid experience with Oracle Data Integrator (ODI) Strong background in data warehousing and ETL processes Experience in performance tuning and troubleshooting Ability to work independently in a secure, client-facing environment ...

Oracle Analytics Consultant - SC cleared - £400 outside IR35

Hiring Organisation
RP Recruitment Ltd
Location
Andover, Hampshire, UK
solutions , including data modelling Develop OAS dashboards and reports for business insights Provide production support and resolve data/ETL/reporting issues Perform performance tuning across RPD, ODI, queries, and reports Maintain technical documentation and best practices Required Skills & Experience Strong hands-on experience with Oracle Analytics … Proven expertise in RPD development and modelling Solid experience with Oracle Data Integrator (ODI) Strong background in data warehousing and ETL processes Experience in performance tuning and troubleshooting Ability to work independently in a secure, client-facing environment ...

Data Engineer

Hiring Organisation
JSS
Location
London Area, United Kingdom
between core systems and the Enterprise Data Warehouse, ensuring accurate and timely reporting Manage and monitor ETL pipelines, identifying and resolving data issues and performance bottlenecks Act as a technical point of contact during financial close periods (monthly, quarterly, year-end) Perform root cause analysis on data issues … cloud-based “Single Source of Truth” data platform Design, develop and maintain ETL workflows using modern tools (e.g. Azure Data Factory, Databricks) Optimise database performance through query tuning, indexing and partitioning strategies Support CI/CD practices using Azure DevOps Produce and maintain technical documentation Provide ...

Senior Technology Architect-Azure Platform Architecture, Infrastructure/ Cloud Engineering

Hiring Organisation
Infosys
Location
United Kingdom
Architect to own and govern the enterprise Azure platform, spanning platform design, service provisioning, automation, operations, FinOps led cost governance, CI/CD enablement, performance, security assurance, and regulatory compliance. This role defines how Azure is designed, consumed, secured, and operated at scale, acting as the central platform authority … forecasting models. •Establish cost monitoring and usage transparency dashboards for platform, product, and delivery teams. •Drive architectural and operational decisions that optimise cost to performance, scalability, and resilience. •Act as the primary interface between platform, operations, and finance stakeholders on cloud cost accountability. Performance Engineering & Troubleshooting •Define platform ...

Principal Engineer/Architect

Hiring Organisation
Fruition Group
Location
Leeds, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
organisation grows. You will work across all engineering teams to define architectural standards, guide complex technical decisions and lead initiatives that strengthen performance, reliability, technical sustainability and innovation. What will you do in the role? Architecture Governance Define and maintain system architecture standards Guide the evolution of platform architecture … maintain a technical debt roadmap Lead initiatives such as Front End modernisation and system restructuring Improve the long-term maintainability of the platform Performance Engineering Identify and resolve system performance bottlenecks Lead database performance optimisation efforts Improve platform scalability and reliability Technical Leadership Mentor developers and Team ...

Senior DevOps Engineer

Hiring Organisation
eTeam
Location
City of London, London, United Kingdom
security standards Ingress controllers, service mesh integration Multi-environment strategy (Dev/Test/Prod) Troubleshooting complex production issues Helm/Kustomize-based deployments Performance tuning and resilience engineering OpenLDAP (Enterprise Identity Integration) Installation, configuration and hardening of OpenLDAP Schema design and directory structuring Secure authentication integration (LDAPS … certificates, RBAC mapping) Kubernetes authentication via LDAP Identity federation patterns across CI/CD tooling High availability and replication strategies Troubleshooting directory performance and sync issues Jenkins (CI/CD Architecture & Engineering) Pipeline-as-code (Groovy) Shared libraries and pipeline governance Integration with Kubernetes agents Secure credential management Test ...

Java Developer - Payments

Hiring Organisation
Crisil
Location
London Area, United Kingdom
exposure to the Payments domain to design, build, and enhance applications supporting global payment processing and modernization programs. The role involves developing scalable, high-performance backend components, integration services, and APIs that enable real-time payments, ISO 20022 message transformations, reconciliation, and workflow automation. The ideal candidate will have … internal systems like Core Banking or Treasury. Develop components supporting real-time payments , event-driven processing , and asynchronous messaging (Kafka, JMS) . Ensure code performance, reusability, and compliance with secure coding and resiliency standards. Payments System Modernization Collaborate with architecture and product teams on payments modernization , API enablement ...

Cloud Data Architect - AWS

Hiring Organisation
Quantiphi
Location
United Kingdom
Architect and implement scalable, secure, and highly available data platforms on AWS. Drive schema conversion and modernization strategies (heterogeneous migrations where applicable). Optimize performance of source and target systems pre- and post-migration. Manage and govern S3-based data lakes and metadata using Glue Data Catalog. Collaborate with … working with S3-based data lakes and Glue Data Catalog. Strong understanding of CDC, transaction consistency, and migration cutover strategies. Hands-on experience with performance tuning, schema design, and query optimization. Proficiency in Python/PySpark and scripting (Shell/Python). Experience with Oracle, SQL Server, MySQL ...

Data Engineer

Hiring Organisation
Raytheon
Location
Warminster, Wiltshire, South West, United Kingdom
Employment Type
Permanent
technical documentation. Coordinate with cross-functional engineering teams-including QA, development, operations, and business SMEs. Assist in the design and implementation of scalable, high-performance data platforms and pipelines. Define and enforce data engineering standards, best practices, and governance frameworks including data lifecycle design, implementation and management. Implement … e.g., Tableau, Power BI, Looker, Elastic Stack). Knowledge of compliance frameworks (GDPR, HIPAA, CCPA) and their impact on data systems. Strong background in performance tuning for high-throughput, low-latency data systems. Microsoft Certified: Azure Data Engineer Associate, AWS Certified Data Engineer, IBM Data Engineering Professional Certificate ...

Data Engineer - Celonis

Hiring Organisation
Reed Technology
Location
Birmingham, West Midlands, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
experience with Celonis in a delivery environment. Strong experience with Celonis Data Integration and analysis development. Solid SQL skills (data transformation, optimisation, and performance tuning). Proficiency in Python for data engineering and automation tasks. Good understanding of ETL/ELT processes and data modelling. Experience working within ...

Senior Backend Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
e.g. Celery, Redis Streams, Kafka) to enable scalable async workloads, retries, and fault-tolerant integrations. Design data models and optimise relational databases (PostgreSQL) for performance, partitioning, and horizontal scale. Introduce caching, rate limiting, and queuing to meet performance budgets and latency goals. Integrate with AI pipelines and model … Foundry-based application development. Proven experience designing and operating production REST APIs with OpenAPI/Swagger. Deep understanding of relational database design, indexing, performance tuning, and migrations (PostgreSQL). Proficiency with containerisation (Docker) and Git-based workflows. Experience with API versioning, security, documentation strategies, and automated testing. Strong ...

Microsoft Fabric Data Engineer

Hiring Organisation
FBI &TMT
Location
Warrington, Cheshire, North West, United Kingdom
Employment Type
Permanent
senior technical leader, you will own end-to-end data engineering workflows, from ingestion to consumption, while ensuring data quality, governance and performance are built into every layer of the solution. Key Responsibilities: Lead Data Platform Design & Delivery Own the end-to-end design and build of modern data … closely with technical and business teams to translate requirements into robust, production-ready data solutions. Build & Optimise Fabric Data Pipelines Design and implement high-performance data pipelines using Fabric Data Factory, Spark, Pipelines, and other Fabric services. Develop and optimise lakehouse and data warehouse structures using OneLake, Lakehouse ...

Senior Software Developer

Hiring Organisation
E.surv Limited
Location
Kettering, Northamptonshire, East Midlands, United Kingdom
Employment Type
Permanent
other relational database management systems, maintenance plans, database user and security audit with a proven track record on how to achieve maximum database performance by analysing execution plans, indexes, query performance tuning and other SQL best practices. Proven and demonstrable experience in web programming using the Django … management systems including SQL. Expertise in provision, implementation, maintenance and evolution of the e.surv data warehouse, databases and associated technology whilst also ensuring maximum performance from systems. Good working knowledge of the Linux and Windows command line interfaces. Good working knowledge of user interface design technologies. Ability to coach ...

Site Reliability Engineer

Hiring Organisation
EQUALS
Location
Greater London, England, United Kingdom
Monitoring & Observability - Own the Datadog APM setup: tracing, alerting, dashboards, log management - Maintain and tune alert channels integrated with Slack - Reduce alert fatigue by tuning thresholds, suppressing false positives, and downgrading non-actionable errors - Be the first responder when something breaks in production Reliability & Incident Response - Investigate and resolve … production incidents end-to-end: detection, root cause analysis, fix, and post-mortem - Handle database performance issues: slow query identification, index creation, query optimization, connection pool tuning - Manage queue system reliability (BullMQ on Redis): concurrency tuning, rate limiting, stalled job handling, autoscaling - Ensure graceful handling of failovers ...

Senior Data Engineer

Hiring Organisation
EXL Service
Location
Northampton, Northamptonshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
analytics, reporting and data-driven decision-making. The successful candidate will work across data ingestion, transformation and modelling while ensuring data quality, governance and performance across distributed cloud environments. You will collaborate closely with data scientists, analytics teams and engineering stakeholders to deliver modern, scalable data solutions within complex … data quality, governance, security and accessibility across data platforms Develop scalable data transformation logic using Python, SQL and Spark-based frameworks Monitor pipeline performance and troubleshoot data workflows to ensure reliability and efficiency Work closely with data scientists, analysts and engineering teams to support advanced analytics and reporting initiatives ...