1 to 25 of 34 Contract Performance Tuning Jobs in England

Technical Lead

Hiring Organisation
Service Care Solutions - Social Work
Location
Sheffield, South Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£29.00 - £32.00 per hour
value and feasibility; challenge unnecessary demand and propose alternative data solutions where appropriate. Deliver advanced data analysis and modelling , identifying trends, risks, and performance insights. Resolve reporting and data issues through root-cause analysis, performance tuning, and process improvement. Support critical programme and project deliveries, ensuring reporting … Microsoft BI stack , particularly Power BI. Proven capability in data warehouse design and implementation . Experience with release packaging, deployment, version control, and performance tuning . Demonstrated ability to manage multiple reporting workstreams simultaneously. Strong stakeholder communication skills, including engagement with senior leaders and end users. Comfortable operating ...

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 ...

Oracle Architect

Hiring Organisation
Purview Consultancy Services Ltd
Location
St. Albans, Hertfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 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 database … 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 ...

SIEM Engineer

Hiring Organisation
IF Recruitment Ltd
Location
Birmingham, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Optimize SIEM rules, alerts, and dashboards for efficient threat detection. Collaboration: Collaborate effectively with others to drive forward key security objectives Query Optimization and Performance Tuning: Write efficient Elasticsearch queries to retrieve relevant security events. Monitor and manage the performance of the SIEM infrastructure. Security Engineering: Contribute … Security features. Knowledge of detection rule development. Including the ability to create, test and optimise detection rules to identify suspicious activities and potential threats. Performance Tuning with Elasticsearch and Logstash including fine-tune query performance using Elasticsearch indices and mappings. Experience of monitoring Logstash pipelines. Experience with ...

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 ...

Oracle Database Engineer

Hiring Organisation
Matchtech
Location
Christchurch, Dorset, England, United Kingdom
Employment Type
Contractor
Contract Rate
£55.31 - £74.68 per hour
time on site with one of the industry's leading defence and security companies. Key Responsibilities: Developing, maintaining, and supporting Oracle databases Ensuring high performance, availability, and security of the Oracle databases Designing database solutions that meet the business requirements for both new projects and existing systems Conducting database … performance tuning and optimisation Implementing database backup and recovery strategies Collaborating with internal teams and external stakeholders to ensure effective database solutions Providing support for database-related issues and troubleshooting any problems that arise Maintaining comprehensive database documentation and ensuring adherence to security protocols and standards Job Requirements ...

Senior ABAP Developer

Hiring Organisation
Omega Resource Group
Location
St. Albans, Hertfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£400 - 500 per day
Development Team. Job Role – Senior SAP ABAP Developer Reporting to the Development Operations Manager the Senior ABAP Developer shall design and develop robust, high-performance code that meets stringent quality standards, ensuring successful delivery of both projects and BAU solutions. Lead a team of ABAP developers with excellent communication … solving, and stakeholder management skills Duties – Senior SAP ABAP Developer • Design & Development: Produce high-quality OO ABAP solutions, including classes, interfaces, and frameworks, ensuring performance, maintainability, and adherence to coding standards. • Functional Translation: Collaborate with functional consultants to translate requirements into technical specifications and deliver developments across various functional ...

Microsoft Power Platform Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £510 per day
Functions, Logic Apps, Service Bus, API Management, Event Grid), Microsoft 365, and line-of-business systems via custom connectors Optimize Dataverse schema, relationships, and performance; manage large datasets, virtual tables, and row-level security Ensure data quality, telemetry, and Power BI analytics alignment with semantic models and governance Delivery … with product owners to translate business outcomes into platform capabilities and technical backlog items Manage solution risk, cost, timeline, and non-functional requirements (scalability, performance, reliability, supportability) Platform Enablement & CoE Establish and evolve the Power Platform Center of Excellence (CoE), including standards, accelerators, templates, guardrails, and training paths Drive ...

Back end Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Docker; deploy to AWS and/or PCF on-prem. Responsibilities Own services end-to-end: design, implement, test, deploy, operate. Data modelling, migrations, performance tuning, resilient integrations. Observability (metrics/logs/traces), SLOs. Nice-to-have Experience with the DWS parent and NatWest platform standards … NatWest engineering standards and governance. Ability to deliver microservices in Python when needed (FastAPI/Django). Terraform/IaC, EKS, service meshes, Postgres performance, Kafka. Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy. ...

Data Engineer - £350PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £350 per day
processing patterns (CDC, watermarking, upserts) AWS Data Services Amazon S3: data lake architectures, partitioning strategies, lifecycle policies DynamoDB: data modeling, secondary indexes, streams, and performance optimization Amazon Redshift: foundational querying, integrations, and performance considerations AWS Lambda for scalable data processing and orchestration Amazon EventBridge for event-driven … decoupled data pipelines Vector Databases & Embeddings Strong understanding of vector database concepts, indexing strategies, and performance trade-offs Design and implementation of embedding generation pipelines Optimization techniques for semantic search and retrieval accuracy Effective chunking strategies for document ingestion and processing Experience with CockroachDB deployment and management is beneficial ...

Data Engineer - £350PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day
processing patterns (CDC, watermarking, upserts) AWS Data Services Amazon S3: data lake architectures, partitioning strategies, lifecycle policies DynamoDB: data modeling, secondary indexes, streams, and performance optimization Amazon Redshift: foundational querying, integrations, and performance considerations AWS Lambda for scalable data processing and orchestration Amazon EventBridge for event-driven … decoupled data pipelines Vector Databases & Embeddings Strong understanding of vector database concepts, indexing strategies, and performance trade-offs Design and implementation of embedding generation pipelines Optimization techniques for semantic search and retrieval accuracy Effective chunking strategies for document ingestion and processing Experience with CockroachDB deployment and management is beneficial ...

Senior AI Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Unspecified Day Rate Negotiable depending on experience. Outside IR35.
pipelines for automated, zero-touch deployments. Lead security hardening efforts usingGuardDuty, CloudWatch, IAM best practices. Set up observability stacks for proactive monitoring and performance tuning. Own backup, disaster recovery for services thatyou ' ve created. Cross-Functional & Process Collaborate closely with other engineers, productmanagersand CTO. Mentor engineers on agentic ...

C# .NET Core Developer - Hybrid - Banking

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day Inside IR35
/TypeScript/React, Python, SQL Server, Oracle). The role focuses on refactoring legacy systems to reduce technical debt, improve reliability and performance, and embed modern security patterns across the service estate. Tasks Design, build, and maintain server-side and client-side software using .NET (Framework/Core … databases (SQL Server, Oracle); contribute to API and UI development, data access layers, and integration points. Refactor and modernise legacy codebases: modularisation, dependency updates, performance tuning, improved observability, and raising automated test coverage within CI/CD. Embed modern security patterns and controls across web services: strong authentication ...

Senior Data Engineer (2 days onsite in London)

Hiring Organisation
TXP
Location
Westminster, London, City of Westminster, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
pipelines and integrations using Snowflake, Python, SQL, and C#. Skills and experience required: Strong proficiency in SQL, Python, and C# (including query optimisation and performance tuning). Experience with data modelling, ETL pipelines, and data integration. Proven ability to work directly with stakeholders and data users to understand ...

HP NonStop Tandem Developer (Payments, Cards) - London and remote - 12 months+

Hiring Organisation
Octopus Computer Associates
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
authorization systems. o Integrate with core banking systems, payment gateways, and regulatory compliance frameworks. System Analysis & Optimization: o Perform system analysis, troubleshooting, and performance tuning for high-volume transaction environments. Compliance & Security: o Ensure adherence to PCI DSS, security standards, and regulatory requirements. Collaboration & Governance: o Work closely ...

L3 Data Engineer - Support

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £250 to £270 per day
structured telecom datasets (CDRs, network logs, subscriber data) Data Lake Technologies: Expertise in Apache Iceberg table format Schema evolution, partitioning, compaction & metadata management Query performance tuning with Athena & Redshift Spectrum Redshift Expertise: Data modeling, distribution styles, sort keys Workload management (WLM) Performance optimization & troubleshooting Python: Automation scripts … Data processing workflows Monitoring, debugging, validation scripts AWS Support/Operations: Troubleshooting ETL failures, performance bottlenecks, pipeline issues Monitoring cloud workloads (CloudWatch, CloudTrail) Handling incidents, root-cause analysis (RCA), patching & releases Cost optimization and resource usage tracking Data quality checks for telecom data pipelines Roles & Responsibilities Provide L2/ ...

Senior Data Engineer - Active DV Required

Hiring Organisation
Matchtech
Location
Worcestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 78 Hourly
security teams to ensure compliance with security policies and data governance standards. Manage and monitor large-scale data flows in real-time, ensuring system performance, reliability, and data integrity. Develop robust data models to support analytics and reporting within secure environments. Perform troubleshooting, debugging, and performance tuning ...

Data Engineer (Snowflake, SQL, Python)

Hiring Organisation
TXP
Location
Westminster, London, City of Westminster, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
pipelines and integrations using Snowflake, Python, SQL, and C#. Skills and experience required: Strong proficiency in SQL, Python, and C# (including query optimisation and performance tuning). Experience with data modelling, ETL pipelines, and data integration. Proven ability to work directly with stakeholders and data users to understand ...

Data Engineer Snowflake, SQL, Python

Hiring Organisation
TXP Technology x People
Location
South West London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
pipelines and integrations using Snowflake, Python, SQL, and C#. Skills and experience required: Strong proficiency in SQL, Python, and C# (including query optimisation and performance tuning). Experience with data modelling, ETL pipelines, and data integration. Proven ability to work directly with stakeholders and data users to understand ...

Tandem Developer

Hiring Organisation
Hydrogen Group
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 450 Daily
enhance card transaction processing, authorization, and settlement systems Integrate with core banking platforms, payment gateways, and downstream systems Perform system analysis, troubleshooting, and performance tuning in high-volume environments Ensure compliance with PCI DSS , security, and regulatory standards Provide L2/L3 production support for critical card ...

Krber (Infios) WMS Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Coventry, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £550 to £600 per day
rber Warehouse Management System (formerly HighJump/K rber). This role involves customizing workflows, integrating with external systems, and ensuring optimal performance to support efficient warehouse operations. Your Responsibilities Develop and configure K rber (Infios) WMS modules, workflows, and interfaces Integrate WMS with ERP, TMS, and other third … Create and maintain SQL stored procedures, scripts, and custom reports Troubleshoot and resolve technical issues, ensuring minimal downtime Participate in system upgrades, patches, and performance tuning Collaborate with business analysts and stakeholders to gather requirements and deliver solutions Support testing phases (UAT, QA) and deployment activities Maintain technical ...

Analytics Engineer DBT

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £575 per day
metrics. Collaborating with business teams to understand reporting needs and deliver intuitive analytics experiences. Creating clear documentation for dashboards, metrics, and models. Ensuring optimal performance and cost efficiency across Looker and Snowflake Supporting a stakeholder-first approach to data usability and access. KEY SKILLS AND REQUIREMENTS Extensive experience operating … clarity. Comfortable working independently in a dynamic, fast-changing environment. DESIRABLE SKILLS Experience rebuilding or refactoring a Looker instance from scratch. Familiarity with Snowflake performance tuning and cost optimization. Experience scaling analytics across a cross-functional organisation HOW TO APPLY Please register your interest by sending your ...

Data Platform Engineer - DV Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Worcestershire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
security teams to ensure compliance with security policies and data governance standards. Manage and monitor large-scale data flows in real-time, ensuring system performance, reliability, and data integrity. Develop robust data models to support analytics and reporting within secure environments. Perform troubleshooting, debugging, and performance tuning ...

Senior Guidewire Developer

Hiring Organisation
DCV Technologies
Location
Norwich, Norfolk, United Kingdom
Employment Type
Contract
Contract Rate
£40 - £70/annum
Build and support system integrations (finance, payments, document management, third-party platforms) Support data migration from legacy systems to Guidewire Contribute to technical design, performance tuning and best practices Work within Agile delivery environments Essential Skills & Experience Strong hands-on experience with Guidewire PolicyCenter and/or ClaimCenter ...

Senior Storage Engineer

Hiring Organisation
83zero Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
Lead data migrations from Dell EMC VMAX and Commvault systems Deliver expert-level support and management across SAN and NAS platforms Oversee storage provisioning, performance tuning, and capacity planning Troubleshoot complex storage incidents in high-availability environments Support upgrades, lifecycle management, and transformation initiatives Collaborate with infrastructure, networking ...