26 to 50 of 103 Contract Performance Tuning Jobs

Snowflake Data Engineer - Outside IR35 - Hybrid 3 days a week

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £600 per day
Engineer to design, build, and optimize scalable data solutions within our modern cloud data platform. You will play a key role in developing high-performance data pipelines, implementing data models, and enabling advanced analytics using Snowflake . The ideal candidate has strong experience in cloud-based data warehousing …/ELT development, and performance optimization, along with a passion for building reliable, scalable data systems. Key Responsibilities Design, develop, and maintain scalable data pipelines using Snowflake Build and optimize data models (star/snowflake schema) to support business intelligence and analytics Develop ELT processes using SQL, stored procedures ...

Senior SAN Storage SME

Hiring Organisation
eTeam Inc
Location
Sheffield, South Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
operations within the OpenShift infrastructure migration project. This role will ensure that storage solutions are designed, implemented, and optimized to meet the bank's performance, scalability, and compliance requirements across multi-cloud, hybrid, or on-prem environments. Additionally, the SME will bring deep expertise in Pure Storage technologies … enable high-performance, reliable storage integration with containerized workloads. Key Responsibilities: Define storage architecture strategy for OpenShift clusters and workloads, incorporating Pure Storage best practices. Advise on storage provisioning, performance tuning, and capacity planning for Pure Storage arrays. Serve as the go-to expert for storage-related ...

Data Support Specialist

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Perform data extraction, transformation, and loading (ETL) processes from Avaloq using approved tools and interfaces. Manage, maintain, and optimize datasets in Snowflake, ensuring accuracy, performance, and alignment with governance standards. Assist in evaluating and integrating datasets from the Snowflake Data Marketplace. Provide day-to-day operational support to business … handling data from Avaloq (essential). Strong proficiency with Snowflake, including: Data Modelling, Snowflake roles, warehouses and tasks, working with the Snowflake Data Marketplace, Performance Tuning and Knowledge of ETL/ELT pipelines and data integration tools (e.g., Informatica, Matillion, DBT, Airflow). Experience with APIs, stored procedures ...

Informatica MDM Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £375 to £400 per day
IDMC Cloud components to meet business requirements. Troubleshoot issues related to MDM data models, hub servers, IDMC services, and integration points. Assist in performance tuning and optimization of MDM and IDMC processes. Document migration processes, architecture changes, and provide training/support to internal teams. Stay updated with ...

DevOps Lead - On Site in Nenagh, Tipperary

Hiring Organisation
The Recruitment Company
Location
Nenagh, North Tipperary, Republic of Ireland
Employment Type
Contract
Contract Rate
£500 - £600/day
using tools including Splunk, Dynatrace, Prometheus, and Grafana. Define SLIs and SLOs, lead incident response, and drive post-incident reviews and continuous improvement. Lead performance tuning, capacity planning, and cost optimisation initiatives across cloud or cloud-native environments. Embed automated testing (unit, integration, contract, end-to-end) into ...

SC Cleared Databricks Data Engineer - Hybrid - Outside IR35

Hiring Organisation
Tenth Revolution Group
Location
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
scalable data pipelines and analytics platforms. In this role, you will work closely with data scientists, analysts, and product teams to deliver reliable, high-performance data solutions using Databricks and modern cloud technologies. Key Responsibilities Design, develop, and maintain scalable data pipelines using Databricks, Apache Spark, and Delta Lake … workflows for batch and streaming data Develop data models to support analytics, reporting, and machine learning use cases Ensure data quality, reliability, and performance across data platforms Integrate data from multiple sources including APIs, databases, and cloud storage Collaborate with data scientists and analysts to enable advanced analytics ...

Java Developer

Hiring Organisation
RT Consulting
Location
Solihull, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £500 per day Outside IR35
Supporting live, mission-critical systems and troubleshooting production issues Building high-quality Java microservices and APIs Contributing to Agile delivery teams focused on reliability, performance and secure coding Core Skills & Experience Java Spring Boot, Spring Data JPA, Spring Integration, Spring Batch Microservices architecture REST & SOAP Web Services JPA/… DynamoDB, S3, KMS, CloudWatch) Experience supporting live environments Strong Agile mindset (Scrum, TDD, BDD) Nice to Have Angular/Node.js SQL performance tuning BPMN (Activiti) Jaspersoft Spring Cloud Exposure to secure or regulated environments (Gov, Defence, Policing) Why Join RT Consulting? Work on significant programmes Outside IR35 opportunities ...

PySpark Developer

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£300 - £350 per day
Role Overview We are seeking a Lead PySpark Engineer to drive a large-scale data modernisation project, transitioning legacy data workflows into a high-performance AWS cloud environment. This is a hands-on technical role focused on converting legacy SAS code into production-ready PySpark pipelines within a complex … PySpark using automated tools (SAS2PY) and manual refactoring. Pipeline Engineering: Design, build, and troubleshoot complex ETL/ELT workflows and data marts on AWS. Performance Tuning: Optimise Spark workloads for execution efficiency, partitioning, and cost-effectiveness. Quality Assurance: Implement clean coding principles, modular design, and robust unit/ ...

Senior Java Developer

Hiring Organisation
Vallum Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 per day
using Java (latest versions), Spring Boot, and AWS technologies. Architect and implement RESTful APIs for distributed enterprise-grade systems. Develop robust, scalable, and high-performance microservices leveraging Spring Boot and modern design patterns. Integrate and manage AWS services such as EC2, S3, Lambda, RDS, and API Gateway for cloud … with Docker and orchestrate using Kubernetes for scalability and resilience. Integrate Kafka for event-driven architecture and real-time data processing. Ensure application security, performance tuning, and monitoring using AWS CloudWatch and best practices. Collaborate with cross-functional teams, participate in code reviews, and take full ownership ...

Senior Java Microservices AWS developer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
using Java (latest versions), Spring Boot, and AWS technologies. Architect and implement RESTful APIs for distributed enterprise-grade systems. Develop robust, scalable, and high-performance microservices leveraging Spring Boot and modern design patterns. Integrate and manage AWS services such as EC2, S3, Lambda, RDS, and API Gateway for cloud … with Docker and orchestrate using Kubernetes for scalability and resilience. Integrate Kafka for event-driven architecture and real-time data processing. Ensure application security, performance tuning, and monitoring using AWS CloudWatch and best practices. Collaborate with cross-functional teams, participate in code reviews, and take full ownership ...

PostgreSQL resource

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £460/day
writing, for specific database/specific technology requests, relating to cases and/or applications in scope. Perform application and process improvement; documentation; performance tuning; and technical strategy investigation upon request. Problem Management: Track, record, and process recurring tickets. Report automation opportunities for manual support tasks to client … continuous improvement initiatives as directed by the client. Basic functional support, application administration/server configuration and user access provisioning/portal setup. Performance and Application Monitoring Monitor performance and availability of the apps listed in Appendix 1 by using the clients provided toolset. Provide proactive exception monitoring ...

Data / Enterprise Developer (Power BI, SQL)

Hiring Organisation
Rise Technical Recruitment
Location
Nottingham, Nottinghamshire, United Kingdom
Employment Type
Contract
queries, stored procedures and scripts Maintain data pipelines, refresh schedules and Power BI gateways Automate data workflows using Python/scripting Support database performance, security, backups and availability The Person Strong SQL expertise (SQL Server/PostgreSQL/Oracle) Proven Power BI experience (reports, dashboards, data models) Experience building … supporting ETL/data pipelines Scripting experience (Python/PowerShell/Bash) Solid understanding of database performance tuning & optimisation Able to start immediately and work in a fast-paced environment Reference Number: BBBH(phone number removed) To apply for this role or to be considered for further roles ...

Full-Stack Engineer - 6-month contract - Immediate Start

Hiring Organisation
The ECA International Group
Location
London, United Kingdom
Employment Type
Contract, Work From Home
fast-paced environment where innovation matters, this role is for you. Requirements Technical Leadership & Delivery Guide the design, development, and implementation of scalable, high-performance solutions. Partner with tech leads to ensure alignment with engineering best practices, architectural standards, and ECAs client objectives . Drive strong technical decision-making … continuous improvement . Lead by example with a proactive, solution-oriented mindset. What You Bring: Full-Stack Engineering Proven experience building scalable, high-performance full-stack applications . Strong hands-on experience with React, Tailwind CSS, Node.js, and TypeScript . Solid understanding of microservices and modular architecture . APIs ...

ServiceNow Architect

Hiring Organisation
IBU CONSULTING LTD
Location
Berkshire, South East, United Kingdom
Employment Type
Contract
state vision, uncover requirements, constraints, and opportunities. Design end-to-end ServiceNow solutions and technical architectures that align with organizations 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 … instance strategy, environment strategy, upgrade/migration plans. Support presales/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 ...

SQL DBA

Hiring Organisation
Sanderson
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£417 per day
across Microsoft SQL Server environments, with additional exposure to PostgreSQL and MySQL. Day to day, you'll handle installation, configuration, patching and maintenance, plus performance tuning, monitoring, and health checks. You'll own backup and recovery processes, high-availability solutions, and troubleshooting of complex database issues. … also support developers with database design, schema improvements and optimised SQL. The role involves improving performance through indexing strategies, query optimisation and capacity planning, as well as maintaining strong security controls such as encryption, auditing and role-based access. You'll contribute to data migrations, integrations, and automation using ...

AWS Support Engineer / Data Engineer Telecom Domain

Hiring Organisation
Stackstudio Digital Ltd
Location
Ipswich, Suffolk, East Anglia, United Kingdom
Employment Type
Contract
Contract Rate
£70,000
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 Telecom Domain: Experience with OSS/BSS systems Understanding of CDR processing ...

Senior Quantitative Developer

Hiring Organisation
Vallum Associates Limited
Location
London, United Kingdom
Employment Type
Contract
Quantitative Developer or Senior Software Engineer within financial services. Role Overview We are seeking an experienced Quantitative Developer to build and enhance high-performance trading and analytics platforms. The role involves close collaboration with quantitative researchers and trading teams to deliver robust, scalable, and production-ready systems … fast-paced environment. Key Responsibilities Design, develop, and maintain high-performance trading, pricing, and analytics systems Implement quantitative models and strategies using C/C++ and Python Optimise applications for low latency, high throughput, and stability Work extensively in Linux environments , including automation via shell scripting Collaborate with quants ...

Database Security Engineer

Hiring Organisation
Hirexa Solutions UK
Location
Canary Wharf, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Oracle databases , including installation, configuration, administration, and security hardening. Understanding of Oracle security features (e.g., TDE, auditing). Experience with database patching, upgrades, and performance tuning from a security perspective. Familiarity with other database technologies (e.g., PostgreSQL, SQL Server, NoSQL) is a plus. Delivery Management: Demonstrated experience ...

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 ...

Data Platform Engineer

Hiring Organisation
Matchtech
Location
Penwortham, Lancashire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 74 Hourly
NiFi, ensuring accurate, efficient, and secure data ingestion, transformation, and delivery. You should be adept at identifying and resolving issues within NiFi flows, managing performance bottlenecks, and implementing robust error handling strategies. You'll work closely with cross-functional teams including data architects, compliance officers, and cybersecurity specialists … limited to Design, develop, and maintain robust and secure data pipelines using NiFi and related big data technologies. Troubleshoot and optimize NiFi flows, including performance tuning, error resolution, and flow control. Integrate NiFi with cloud platforms, databases (SQL & NoSQL), APIs, and third-party systems. Ensure compliance with regulatory ...

Systems Integrator (IT)

Hiring Organisation
Rullion Engineering Cumbria
Location
Teddington, London, United Kingdom
Employment Type
Contract
Contract Rate
£680/day
physical devices, software components, and network infrastructure. * You will develop and execute integration test plans for hardware/software systems. * You will perform functional, performance, and stress testing on integrated systems. * You will Identify and resolve integration issues across hardware, software, and network layers. * You will document and understand … different architectures supporting distributed, real-time systems. * You will understand how to administer Linux based environments, including performance tuning and security hardening. * You will develop and execute shell scripts for automation and system orchestration. * You will understand the systems engineering lifecycle * You will understand changes in CI/ ...

PostgreSQL Database Developer

Hiring Organisation
Interact Consulting Limited
Location
South West London, London, United Kingdom
Employment Type
Contract, Work From Home
support application upgrades. Support the deployment of cloud-based infrastructure in preparation for a major system update. Optimize queries, indexes, and schema design for performance improvements. Collaborate with DevOps and application teams to ensure seamless integration. Utilize CI/CD pipelines and version control tools for database releases. Essential … Experience Proven commercial experience in PostgreSQL database development and administration. Strong SQL skills and deep understanding of relational database design principles. Solid knowledge of performance tuning, indexing, and query optimization. Hands-on experience with cloud database services such as AWS RDS or Azure PostgreSQL. Familiarity with CI/ ...

Lead Data Engineer - Azure Synapse

Hiring Organisation
Cathcart Technology
Location
Watford, Hertfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£550 - £600 per day
DevOps You'll need: Experience in data engineering, including strong expertise in Azure Synapse Experience stabilising/modernising live platforms Strong SQL, Python, performance tuning, and security focus Exposure to multiple source systems (Finance, CRM, ERP) Hybrid working (2-3 days onsite), competitive rate, outside IR35. Apply ...

Report Developer

Hiring Organisation
JAM Recruitment Ltd
Location
Rochdale, Greater Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£40.00 - £42.11 per hour
Reports, BI Publisher, Oracle Analytics or relevant reporting tools (essential) Solid understanding of Oracle ERP database architecture Experience with joins, subqueries, analytic functions, and performance tuning Knowledge of XML, RTF templates, and report formatting (for BI Publisher) Familiarity with Oracle E-Business Suite (EBS) and Oracle Cloud deployments ...

Data Migration Engineer

Hiring Organisation
Outsource
Location
Rochester, Kent, South East, United Kingdom
Employment Type
Contract
Contract Rate
£68,484
similar roles Strong Oracle SQL and PL/SQL expertise Solid understanding of Oracle ERP database architecture Experience with joins, subqueries, analytic functions, and performance tuning Knowledge of ETL techniques and data integrity strategies Experience with Oracle ERP 11i data structures or Oracle Cloud environments The Job Analyse ...