20 of 20 DemandTrendContract Performance Tuning Jobs in the UK excluding London

responsibilities will include: Designing and optimising a BigQuery-based data warehouse, ensuring scalability and efficiency. Building and maintaining ELT pipelines using dbt, enabling seamless data transformation. Developing and implementing performance tuning strategies to optimise query execution and cost efficiency. Working with stakeholders to understand business needs, translating them into effective data models. Creating clear and comprehensive documentation to … dbt, including building and optimising data models. Proficiency in SQL for large-scale data transformations. Experience in ELT processes and best practices for cloud-based data warehousing. Knowledge of performance tuning techniques for optimising BigQuery queries and costs. Familiarity with cloud services (GCP, Terraform, Airflow, etc.) and their integration with BigQuery. HOW TO APPLY Please register your interest More ❯

client based in London. It is hybrid and will require 3x days onsite per week. You will design, optimize, and maintain Oracle-based data warehouse solutions to ensure high performance, scalability, and alignment with business intelligence and analytics needs. This role requires the individual to design and optimize Oracle-based data warehouse systems, ensuring they are scalable, high-performing … and aligned with business analytics needs. They will collaborate closely with the head of the data team and .NET developers, applying advanced data modelling, performance tuning, and problem-solving skills. The ideal candidate will be able to translate complex technical insights into clear, actionable recommendations for both technical and non-technical stakeholders. Skills Required: Strong experience in designing … and developing efficient ETL processes to support enterprise-scale Oracle Data Warehouse environments. Proven ability to optimize and tune complex SQL and PL/SQL scripts for performance, while guiding development teams on best practices for data modelling, indexing, and partitioning strategies. Skilled in troubleshooting and resolving issues in ETL workflows and data pipelines, with a focus on maintaining More ❯

Expereince Extensive Java development skills in Java 8 or above and Java leaderships expereince. Strong expertise in Java 8, microservices, event-driven systems. Kafka – production clusters, consumer lag, scaling, tuning, troubleshooting. MongoDB – replication, sharding, performance tuning, backups/restores. AWS – EC2, VPC, S3, RDS, IAM, ALB/NLB; HA design and cost optimisation desirable. Terraform – production experience … modules, remote state, multi-env, collaboration). Linux administration – CLI tools, system performance, network debugging, patching. CI/CD & Automation Jenkins, GitLab CI, GitHub Actions – pipeline design, automation, deployments. Containers (Docker, Kubernetes); GitOps tools (ArgoCD, Flux) a plus. Infrastructure drift detection and IAC best practices. Monitoring & Observability, tools such as Prometheus, Grafana, ELK/EFK, Datadog, CloudWatch. Building dashboards More ❯

code reviews, and technical workshops Ensure adherence to modern engineering practices including CI/CD, DevSecOps, and Agile delivery Contribute to UI/UX design decisions and ensure frontend performance, accessibility, and security Engage with stakeholders to communicate technical decisions and support delivery planning Required Skills and Experience Strong hands-on experience with Java and Spring Boot for backend … experience or a strong consulting mindset is highly desirable Desirable Attributes Experience with testing frameworks (e.g., JUnit, Cypress, Jest) Exposure to infrastructure as code (e.g., Terraform, Ansible) Familiarity with performance tuning, observability, and monitoring tools Ability to mentor junior engineers and contribute to engineering standards Engagement Model Contract-based initial engagement Hybrid working model: minimum 2 days onsite More ❯

high-throughput financial transactions Build and maintain automated CI/CD pipelines, infrastructure-as-code templates, and observability tools Ensure services are production-ready with built-in telemetry, logging, performance tuning, and fault tolerance Write unit, integration, and acceptance tests as part of a strong test automation culture Mentor junior developers and contribute to team knowledge sharing, code More ❯

high-throughput financial transactions Build and maintain automated CI/CD pipelines, infrastructure-as-code templates, and observability tools Ensure services are production-ready with built-in telemetry, logging, performance tuning, and fault tolerance Write unit, integration, and acceptance tests as part of a strong test automation culture Mentor junior developers and contribute to team knowledge sharing, code More ❯

and technical design decisions Collaborate with product, design, and platform teams to align on feature delivery Write clean, maintainable code and participate in peer code reviews Optimise applications for performance, scalability, and user experience Ensure high standards of security, accessibility, and testing across the codebase Support platform improvements and contribute to continuous delivery practices Skills & Experience Required Strong experience … and/or modern languages like Python , Ruby , Scala , or Rust Solid understanding of API design and integration Track record of delivering end-to-end web applications Knowledge of performance tuning and front-end optimisation Comfortable in Agile environments with CI/CD and DevOps principles Strong communication skills with a collaborative, solutions-focused mindset Desirable Experience with More ❯

hiring for a leading global banking client based in London , working on cutting-edge digital transformation projects within their core banking platforms. Key Responsibilities Design and develop scalable, high-performance backend systems using Java and reactive frameworks. Collaborate with cross-functional teams to deliver robust microservices architectures. Contribute to system architecture decisions and ensure best practices in coding and … of CI/CD tools and practices (Jenkins, GitLab, etc.). Desirable Skills Exposure to financial services or banking environments. Experience with messaging systems (Kafka, RabbitMQ). Knowledge of performance tuning and monitoring tools. What's on Offer Opportunity to work on high-impact projects in a global banking environment. Hybrid working model (2-3 days onsite in More ❯

Hotwire, or React) Collaborate closely with product/design to translate requirements into robust technical solutions Write clean, well-tested code (RSpec or Minitest) Debug and resolve bugs and performance issues Participate in code reviews and maintain coding best practices Support occasional DevOps or deployment tasks (Heroku/AWS experience a plus) Requirements 3+ years of experience working with … end development: JavaScript, HTML/CSS and ideally Stimulus, Turbo, or React Solid understanding of RESTful APIs, MVC architecture and PostgreSQL Familiarity with background jobs (e.g., Sidekiq), caching and performance tuning Experience writing automated tests and working in TDD/BDD environments Excellent communication skills and ability to work independently in a remote setting Nice to Have Experience More ❯

solutions. Develop custom dashboards, alerts, reports, and visualizations using SPL. Work closely with cybersecurity, operations, and application teams to integrate and correlate data sources. Perform capacity planning, health checks, performance tuning, and upgrades. Create and maintain documentation, including SOPs, architecture diagrams, and deployment guides. Act as a trusted advisor for Splunk best practices, licensing, and scaling strategies. Train More ❯

enhance ETL/ELT pipelines in Azure Databricks Develop facts and dimensions for financial reporting Collaborate with cross-functional teams to deliver robust data solutions Optimize data workflows for performance and cost-efficiency Implement governance and security using Unity Catalog Drive automation and CI/CD practices across the data platform Explore new technologies to improve data ingestion and … PySpark), Databricks Workflows Data Pipeline Design : Proven experience in scalable ETL/ELT development Azure Services : Data Lake, Blob Storage, Synapse Data Governance : Unity Catalog, access control, metadata management Performance Tuning : Partitioning, caching, Spark job optimization Cloud Architecture : Infrastructure-as-code, monitoring, automation Finance Domain Knowledge : Experience with financial systems and reporting Data Modelling : Kimball methodology, star schemas More ❯

with orchestration tools such as Airflow, knowledge of Python or other scripting languages, and familiarity with data governance and security best practices are desirable. Exposure to agile development environments, performance tuning of data queries, and advanced Tableau capabilities (e.g., custom dashboards, calculated fields) would be a strong plus. What's in it for you? - Our client loves to More ❯

Terraform and other IaC tools. Deep understanding of DevOps culture, CI/CD pipelines, and automation. Container technologies (Docker essential, Kubernetes desirable). Knowledge of cloud security, networking, and performance tuning. Passion for collaboration, clean code, and continuous learning. Next Steps If you hold active SC Clearance and are interested in one of these four opportunities, please apply with More ❯

have experience of Replication & Streaming including IBM CDC replication technologies, Confluent Kafka & IBM Voltage encryption. NoSQL expertise to include strong skills in Couchbase cluster management, Version upgrades, security patching & performance tuning and high availability via node scaling and rebalancing. Experience of programming & automation including Python & Shell scripting and Jenkins-based CI/CD pipelines. You must have experience More ❯

reports & dashboards Data Modelling – semantic models within Microsoft Synapse DAX – advanced formulas & data analysis SQL – queries to extract & manipulate data Synapse Integration – workspaces, pipelines & dedicated SQL pools Dataset optimisation – performance tuning & incremental refresh Data Gateway setup & configuration Security – Row-Level Security & workspace permissions Stakeholder engagement – defining KPIs & reporting needs Documentation – clear, structured reporting logic If you’re an More ❯

Administrator (Dell/HP Specialist) Contract Location: Wokingham 3 days per week onsite; ad hoc visits to Reading Rate: £380 - £420 DOE, inside IR35 Duration: Initial 6 months (with performance-based extension), starting ASAP Are you an expert in enterprise storage and backup solutions with strong experience across Dell PowerMax and HP 3PAR technologies? Our client is seeking a … hardware/software faults in high-availability (HA) environments. Collaborate with Dell teams to assess infrastructure designs and solutions. Produce and maintain build/configuration documentation. Lead technical troubleshooting, performance tuning, and system integration. Supervise implementation teams and provide technical guidance. Evaluate emerging technologies and suggest improvements. Ensure robust monitoring, backup, and disaster recovery processes. Communicate with stakeholders More ❯

models that power clean, consistent 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 within Snowflake environments Advanced experience … on usability, documentation, and data 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 CV via the apply link on More ❯

Document processes, workflows, and technical specifications clearly and effectively. Required Skills & Experience: Proven hands-on experience with: Databricks (Spark, Delta Lake, notebooks) DBT (data modeling, transformations, testing) Snowflake (SQL, performance tuning, data warehousing) Strong understanding of data engineering principles and best practices. Excellent communication skills with the ability to explain technical concepts to non-technical stakeholders. Experience working More ❯

extensions highly likely) £480-£520 per day Outside ir35 Remote contract We're looking for an experienced AI/ML Engineer to help our Central Government client build high-performance machine learning systems and cutting-edge AI features. You'll work with technologies like LLMs, OCR, object detection, and cloud-native deployments , contributing to scalable, production-ready solutions in … CDK , and modern DevOps practices. Collaborate on infrastructure and data pipelines using SQLAlchemy, Boto3, Pandas, and Airflow . Contribute to real-time AI services , model versioning, and advanced fine-tuning (LoRA, QLoRA, etc.). AI Engineer requirements: Solid Python skills (3.9+) with deep knowledge of async, OOP, and performance tuning. Hands-on experience with LLM fine-tuning More ❯

Role Seeking a highly experienced networking professional to support and enhance data centre infrastructure. The successful candidate will work closely with internal teams to design, build, and maintain high-performance, secure networking systems that support core business services. This role blends strategic thinking with hands-on technical execution, offering the opportunity to make a visible impact across the organization. … Meraki). Collaborate with systems/platform teams for scalable deployments. Ensure network security, redundancy, and compliance. Document network topology, standards, and troubleshooting procedures. Support migrations, incident response, and performance tuning. Candidate Profile Essential Skills & Experience: Proven experience in data centre networking. Hands-on with MPLS, VPLS, and cross-connects. Strong routing protocol knowledge (OSPF, BGP). Firewall configuration More ❯