1 to 25 of 38 Contract Performance Tuning Jobs in the UK

best practices. Produce full technical documentation and user handover materials. Skills & Experience Proven experience designing SQL-based data models and warehouses . Strong SQL development , ETL/ELT , and performance tuning skills. Data integration expertise with Salesforce , NetSuite , and HR systems (API/ETL). Advanced Power BI (Power Query M, DAX) Proven experience designing SQL-based data … models and warehouses Strong SQL development , ETL/ELT , and performance tuning skills. Understanding of SaaS metrics (ARR, MRR, churn, NRR, CAC, revenue recognition). Excellent documentation, communication, and stakeholder engagement skills. Outcomes (3 Months) Operational Finance Data Cube integrating all core data sources. Automated Power BI dashboards for executive reporting. Documented, repeatable integration and refresh processes . More ❯

and supporting the team's 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 (e.g., excessive temp table usage … . Design, implement, and 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 scratch. Be a technical mentor and … environments. Advanced experience with DBT, including testing, modular modelling, and optimisation. Track record in building or maintaining CI/CD pipelines for data workflows. Strong familiarity with Snowflake infrastructure, performance tuning, and cost modelling. Excellent communication skills and ability to mentor or teach other engineers. Desirable/Nice to Have Exposure to ML Ops (particularly around operationalising models More ❯

will design, develop, and maintain ETL (Extract, Transform, Load) workflows and data integration solutions using Pentaho Data Integration (PDI). This role focuses on ensuring the accuracy, scalability, and performance of data pipelines that support analytics, reporting, and Business Intelligence initiatives. Key Responsibilities: Design, develop, and optimize ETL workflows using Pentaho Data Integration (PDI) . Integrate data from multiple … architects to understand data requirements. Troubleshoot and resolve issues in ETL jobs, ensuring data accuracy and integrity. Automate and schedule Pentaho jobs using Carte, Kitchen, or Pan scripts. Optimize performance of ETL jobs and SQL queries. Participate in data modelling and data warehouse design discussions. Support deployment of Pentaho solutions in production environments. Create and maintain documentation for ETL … Integration (PDI/Kettle) . Strong proficiency in SQL (MySQL, PostgreSQL, Oracle, SQL Server, etc.). Experience with data warehousing concepts (star schema, dimension modelling). Familiarity with ETL performance tuning and error handling techniques. Experience working with Linux/Unix environments and Shell Scripting. Understanding of REST/SOAP APIs , JSON , XML , and flat file processing . More ❯

models, and tools supporting trading, pricing, and risk management. Collaborate with quantitative analysts, data scientists, and traders to implement and optimise models in production environments. Build and enhance high-performance systems for data processing, pricing, and simulation. Translate complex mathematical models into robust, efficient, and maintainable code. Ensure system reliability, scalability, and low latency across all components. Participate in … model validation, performance tuning, and version control processes. Stay up to date with advances in quantitative finance, computational techniques, and emerging technologies. Profile Strong programming experience in Python, C++, or C#; knowledge of NumPy, Pandas, and QuantLib advantageous. Solid understanding of mathematics, statistics, and numerical methods - including stochastic calculus, Monte Carlo simulation, and optimisation. Familiarity with derivatives pricing … risk metrics, and financial instruments across asset classes. Experience building low-latency systems and optimising performance for computational workloads. Proficient in working with SQL and managing large financial datasets. Knowledge of cloud platforms (Azure, AWS) and DevOps tools (Git, CI/CD) desirable. Excellent problem-solving and analytical skills, with a keen attention to detail. Strong communication and collaboration More ❯

maintain ETL solutions using Ab Initio (Graphical Development Environment, Co>Operating System, EME, and Conduct>It). Integrate data from multiple heterogeneous sources into unified, high-quality datasets. Perform performance tuning, debugging, and optimization of existing ETL processes. Implement data quality, validation, and error-handling frameworks. Collaborate with architects and DBAs on data modeling, pipeline design, and environment … warehouse concepts . Familiarity with big data ecosystems (Hadoop, Hive, Spark) and cloud platforms (AWS, Azure, GCP) is a plus. Proven ability to troubleshoot complex ETL jobs and resolve performance issues. Experience working with large-scale datasets and enterprise data environments. Experience in the banking, financial services domain preferred. Exposure to CI/CD pipelines and DevOps tools for More ❯

programme, working on high-impact projects that enable data-driven decision-making. Responsibilities for the Senior Data Engineer: Design, build, and maintain scalable data pipelines and architectures, ensuring reliability, performance, and best-in-class engineering standards Leverage Databricks, Spark, and modern cloud platforms (Azure/AWS) to deliver clean, high-quality data for analytics and operational insights Lead by … improve existing systems, introducing new technologies and methodologies that enhance efficiency, scalability, and cost optimisation Essential Skills for the Senior Data Engineer: Proficient with Databricks and Apache Spark, including performance tuning and advanced concepts such as Delta Lake and streaming Strong programming skills in Python with experience in software engineering principles, version control, unit testing and CI/ More ❯

insurance background, capable of owning and extending core pipelines across the Azure and Snowflake stack. Key Skills & Experience Strong hands-on experience with Snowflake Cloud Data Warehouse (schemas, RBAC, performance tuning, ELT best practices). Proven commercial experience with DBT for modular data modelling, testing, documentation, and CI/CD integration. Skilled in Azure Data Factory, Synapse, and More ❯

initially 3 months but ongoing Senior DevOps Engineer with expertise in AWS platform engineering for high-throughput, low-latency systems. Hands-on expertise in Akka/Java microservices, JVM tuning, and asynchronous, event-driven architectures. If you are suitable and passionate about scaling distributed systems and optimizing cloud performance, then this could be for you. Apply today and … ownership of AWS infrastructure and automation that powers our low-latency, ad-serving Java microservices. We're looking for a hands-on engineer who thrives in large-scale, high-performance environments - someone who can design, automate, and optimize systems to achieve <50ms latency, 5M+ concurrent users, and 99.99% uptime. What You'll Do Design and deploy end-to-end … and rollback strategies. Implement observability: metrics, logs, traces, SLOs/SLIs, alerting, and on-call runbooks. Engineer for scale and reliability - autoscaling, caching, multi-AZ/region DR, and performance tuning to meet 5M+ user load. Apply security-by-design using IAM least privilege, KMS, Secrets Manager, WAF/Shield, and CIS compliance. Collaborate with developers and performance More ❯

at Working level: Advanced SQL proficiency : expertise in writing complex, highly-performant SQL queries, including common table expressions (CTEs), window functions, and complex joins. Experience with query optimization and performance tuning on relational databases like PostgreSQL, MySQL, or similar Cloud data ecosystem (AWS) : hands-on experience with core AWS data services. Key services include: S3 for data lake More ❯

at Working level: Advanced SQL proficiency : expertise in writing complex, highly-performant SQL queries, including common table expressions (CTEs), window functions, and complex joins. Experience with query optimization and performance tuning on relational databases like PostgreSQL, MySQL, or similar Cloud data ecosystem (AWS) : hands-on experience with core AWS data services. Key services include: S3 for data lake More ❯

our UK banking client team on an initial 6 month contract. The successful candidate will be responsible for diagnosing, troubleshooting, and resolving environment-related issues, ensuring high availability and performance of the project infrastructure (in datapower and AWS). This role requires a hands-on technical expert with a strong background in DataPower development, complemented by knowledge of AWS … cloud resources including CloudWatch for logging and alerting, DynamoDB for database management, and AWS Lambda for serverless compute tasks related to project workflows.- Implement best practices for environment stability, performance tuning, and security compliance.- Produce detailed technical documentation, status reports, and issue logs for ongoing support and knowledge sharing.- Communicate effectively with cross-functional teams including developers, infrastructure More ❯

BI solutions Provide technical guidance to development and infrastructure teams Engage with stakeholders to translate business requirements into technical solutions Essential Skills & Experience SQL: Advanced database design, optimization, and performance tuning Virtual Machines: VM infrastructure design and management (VMware, Hyper-V, or cloud VMs) Qlik Replicate: Data replication solution design and implementation TIBCO DataPlane: Integration architecture experience Tableau More ❯

their data requirements and support their work.* Collect, process, and transform datasets from various sources, ensuring data quality and integrity.* Optimise and maintain the organisation's Snowflake infrastructure, providing performance tuning, enhancements, and regular "MOT" checks.* Develop and maintain DBT pipelines, mainly on Snowflake, to enable efficient transformation and modelling of data.* Implement efficient data models and schemes More ❯

Optimise infrastructure with Karpenter for autoscaling and cost efficiency. Ensure robust AWS networking (VPC, Transit Gateway, PrivateLink, Route 53) and enforce security best practices. Drive incident response, monitoring, and performance tuning. Key Technologies: AWS (EKS, Fargate, EC2, S3), Terraform, CloudFormation, GitLab, ArgoCD, Docker, Kubernetes, Helm, Cassandra, OTel, Grafana, Splunk, Karpenter, Python, Bash. Desirable: Experience with Google Cloud Platform (GCP More ❯

fuel AI and analytics initiatives. Partner closely with data scientists, analysts, and engineers to deliver clean, structured, and reliable data. Develop robust data transformations in Python and SQL, ensuring performance and accuracy. Work hands-on with Snowflake to model, optimise, and manage data flows. Continuously improve data engineering practices - from automation to observability. Bring ideas to the table: help … in data engineering or a similar role. Strong Python skills for data processing and pipeline development. Proven experience writing complex and efficient SQL. Hands-on Snowflake experience (data modelling, performance tuning, pipelines). Familiarity with orchestration tools (e.g., Airflow, dbt) is a plus. A solid understanding of data best practices, version control (Git), and CI/CD. Company More ❯

maintain scalable data pipelines to support manufacturing, quality, and supply chain data workflows. Implement and manage data transformation models using dbt to standardise and validate datasets. Optimise and monitor performance of Snowflake data warehouse environments. Collaborate with cross-functional teams (Data Scientists, Quality, Manufacturing, IT) to define data requirements and deliver reliable data solutions. Develop and maintain ETL/… or related field. 3-5+ years of experience as a Data Engineer, ideally in a pharmaceutical, biotech, or regulated manufacturing environment. Strong hands-on experience with: Snowflake (architecture, performance tuning, cost optimisation) DBT (model development, testing, documentation, deployment) SQL (advanced query optimisation and debugging) Experience with data integration and orchestration tools (Airflow, Dagster, Prefect, or similar). More ❯

a live production environment. This is a hands-on engineering role, suited to someone who can move beyond theory designing, implementing, and optimising real-world solutions that enhance the performance, scalability, and maintainability of our data layer. Youll join a collaborative engineering team and act as a subject-matter expert in MongoDB usage, schema design, and data interaction patterns … within Django applications. What Youll Do Design and implement solutions that improve how Django and MongoDB interoperate. Review and refactor existing data models, ensuring performance and scalability. Work closely with backend teams to guide best practices around schema design, indexing, and query optimisation. Educate and mentor engineers on effective MongoDB usage patterns and integration strategies. Help evolve internal tooling … development. What Were Looking For Proven experience as a Senior Software Engineer with a strong focus on backend systems and database design. Advanced MongoDB knowledge schema design, aggregation pipelines, performance tuning, replication, and indexing strategies. Strong experience with Django and MongoEngine , including hands-on integration work. Ability to architect, build, and deliver solutions not just advise or design More ❯

Technical Lead and SAP Basis Team Lead as required to plan upgrades that align with SAP technology advances. Lead SAP technical initiatives as instructed by SAP Technical Lead. Perform performance reviews of existing systems and present recommendations with associated implementation plans. Work within the SAP Basis team to provide appropriate response in resolving SAP production environment issues. To ensure … Major Tasks and Activities: The role requires a Senior SAP Basis Contractor with a minimum of 5 years’ experience who will be accountable for following activities amongst others: System performance tuning and availability. Utilizing Solman 7.2 and CALM to improve operational excellence. Provide Basis support and guidance on Projects as applicable. Carrying out new system installations and associated More ❯

cloud resources including CloudWatch for logging and alerting, DynamoDB for database management, and AWS Lambda for serverless compute tasks related to project workflows. Implement best practices for environment stability, performance tuning, and security compliance. Produce detailed technical documentation, status reports, and issue logs for ongoing support and knowledge sharing. Communicate effectively with cross-functional teams including developers, infrastructure More ❯

code and services you build in production, including monitoring, support, and incident management. . You actively seek out opportunities to improve system robustness, resilience, and stability, including fault handling, performance tuning, and automated testing. Essential skills: . React, TypeScript and AWS . Agile . JavaScript Desirable: . Angular . Python Please be aware that this role can only More ❯

real-time control logic to intuitive user interfaces and APIs. You'll work in an Agile environment, collaborating with cross-functional teams to turn complex requirements into reliable, high-performance embedded solutions. What You'll Do Design, code, and test embedded software in C++ for real-time systems Translate requirements into robust, maintainable architecture and design documentation Debug and … validate software on both simulated and target hardware Implement automated unit and integration tests Collaborate with other engineers to optimise system performance and reliability Contribute to continuous improvement within an agile workflow What You'll Bring Proven experience in C++ embedded software development Full lifecycle experience - design, development, testing, and maintenance Strong knowledge of Linux and FreeRTOS environments Understanding … of hardware interfaces (Serial, Ethernet, SPI, CAN, etc.) Skilled in debugging, performance tuning , and source control (Git) Familiar with CI/CD pipelines and tools like Jira or Confluence Detail-oriented, well-organised, and collaborative within fast-paced teams To apply - submit your application or send your CV directly More ❯

real-time control logic to intuitive user interfaces and APIs. You'll work in an Agile environment, collaborating with cross-functional teams to turn complex requirements into reliable, high-performance embedded solutions. What You'll Do Design, code, and test embedded software in C++ for real-time systems Translate requirements into robust, maintainable architecture and design documentation Debug and … validate software on both simulated and target hardware Implement automated unit and integration tests Collaborate with other engineers to optimise system performance and reliability Contribute to continuous improvement within an agile workflow What You'll Bring Proven experience in C++ embedded software development Full lifecycle experience - design, development, testing, and maintenance Strong knowledge of Linux and FreeRTOS environments Understanding … of hardware interfaces (Serial, Ethernet, SPI, CAN, etc.) Skilled in debugging, performance tuning , and source control (Git) Familiar with CI/CD pipelines and tools like Jira or Confluence Detail-oriented, well-organised, and collaborative within fast-paced teams To apply - submit your application or send your CV directly More ❯

driven systems that support innovation in the healthcare sector. The focus is pure data engineering. You'll be building and optimising pipelines, coding solutions against live data, and ensuring performance at scale within a modern cloud-native environment. Key Responsibilities Design, build, and maintain data pipelines and architectures in Google Cloud Platform (GCP) . Develop MongoDB solutions from scratch … performance. Key Skills & Experience Proven expertise in GCP data engineering tools (BigQuery, Dataflow, Pub/Sub, Composer, Cloud Storage). Strong hands-on MongoDB experience (schema design, aggregation pipelines, performance tuning). Advanced PostgreSQL query optimization skills. Solid coding ability in Python, Java, or Scala . Experience with microservices, event-driven architectures, and distributed systems . Familiarity with More ❯

frameworks. Extend Mendix functionality with Java , JavaScript , or CSS when needed. Participate in Agile/Scrum ceremonies and contribute to sprint planning, reviews, and retrospectives. Conduct testing, debugging, and performance tuning for Mendix applications. Collaborate with DevOps teams to manage deployment pipelines and version control. Provide documentation, training, and support for deployed applications. CONTRACT - 6 months Location - Hybrid More ❯

Meetings platforms . You'll be the subject matter expert for unified collaboration services, ensuring seamless, secure communication across the organisation. From user administration and troubleshooting to integrations and performance tuning, you'll keep collaboration running at enterprise scale. Key Responsibilities: Administer, configure, and maintain Cisco Webex and Cisco Meetings environments. Manage user accounts, permissions, licensing, and policies. … Monitor system performance and availability - troubleshoot and resolve incidents quickly. Support upgrades, patching, and integrations with other collaboration tools. Work with security and networking teams to enforce compliance and security standards. Develop and maintain documentation, best practices, and operational procedures. Act as an escalation point for collaboration-related support issues. Essential Skills & Experience: Proven experience administering Cisco Webex and More ❯