19 of 19 Contract Performance Optimisation Jobs in London

Doing Hands-on development using SQL, DBT, and Snowflake Implementing, refactoring, and optimising Snowflake data models Creating and maintaining data assets, ensuring performance, quality, and reliability Updating consumers and reviewing code to maintain standards Working within structured project tracking tools (Asana/Jira) Delivering approximately 50 refactorings/migrations … Strong experience in SQL, DBT, and Snowflake Familiarity with dimensional modelling (Kimball methodology preferred) Understanding of building models for large stakeholder groups Experience with performance optimisation, data quality, and query/resource efficiency Comfortable working in a collaborative, fast-moving environment with a growth mindset Experience with startups ...

including Azure Databricks, Azure Data Lake Storage, and Azure Data Factory. Advanced proficiency in SQL, Python, and Spark (PySpark), with a strong focus on performance optimization and distributed processing. Proven experience in CI/CD practices using industry-standard tools (e.g., GitHub Actions, Azure DevOps). Strong understanding ...

into technology direction, innovation strategy and creative execution. You will operate as a senior technical voice within the business, translating conceptual ideas into high-performance digital experiences while influencing architectural and technology decisions across a range of complex projects. NB: This role is remote-first, with collaborative in-person … feasibility, innovation opportunities and implementation approaches Senior Front-End Engineering Own the front-end architecture and delivery across complex digital builds Develop sophisticated, high-performance interfaces using React, TypeScript, and modern front-end tooling Contribute to the evolution of component libraries and internal design systems Deliver best-in-class ...

domain logic, and business processes Refactor and improve legacy PL/SQL and database-driven business logic Support ongoing system upgrades, reliability improvements, and performance optimisation Contribute to cloud-oriented development and infrastructure improvements Work within modern engineering practices including TDD, CI/CD, and Agile delivery Participate ...

teams to ensure high availability and reliability Contribute to ongoing platform stability improvements Additional Responsibilities Support integration with upstream/downstream systems Assist with performance testing (including latency improvements where required) Contribute reusable components, utilities, and best practices Provide documentation and handover to operations teams Required Skills & Experience Strong … Experience with Amazon Kinesis or other streaming platforms (e.g. Kafka) Exposure to monitoring and alerting tools Experience working in complex, integrated environments Awareness of performance optimisation (e.g. latency improvements) Working Pattern 2 days per week onsite in London Flexible engagement with potential to scale depending on project needs ...

teams to ensure high availability and reliability Contribute to ongoing platform stability improvements Additional Responsibilities Support integration with upstream/downstream systems Assist with performance testing (including latency improvements where required) Contribute reusable components, utilities, and best practices Provide documentation and handover to operations teams Required Skills & Experience Strong … Experience with Amazon Kinesis or other streaming platforms (e.g. Kafka) Exposure to monitoring and alerting tools Experience working in complex, integrated environments Awareness of performance optimisation (e.g. latency improvements) Working Pattern 2 days per week onsite in London Flexible engagement with potential to scale depending on project needs ...

support delivery across a complex SAP Business One landscape. The engagement sits within an ERP stabilisation programme focused on enhancing system capability, integrations and performance across a multi-entity environment. We are looking for a strong SAP Business One developer with experience across SDK, integrations and system customisation … Support ongoing system improvements and technical stabilisation Work closely with functional consultants to translate requirements into technical solutions Troubleshoot and resolve system issues Support performance optimisation and system reliability Develop reports and data extracts using SQL, HANA and reporting tools Contribute to technical documentation and best practices ...

working with Azure Databricks, including SQL development, data modelling, and PySpark. * Proven capability in SQL Server, including complex T-SQL logic, stored procedures, and performance optimisation. * Hands-on experience with dbt for modular, testable data model development. * Solid understanding of legacy BI environments, particularly SSRS. * Knowledge of Tableau ...

Collaboration: Work closely with cross-functional teams, including developers, business analysts, and vendors, to gather requirements and define API specifications. Troubleshooting & Support: Monitor API performance, troubleshoot integration issues promptly, and provide technical support to development teams and clients. Documentation: Create and maintain comprehensive documentation, including API specifications, integration guides … data mappings. Performance Optimization: Optimize existing API connections for performance, reliability, and scalability. Security & Compliance: Ensure API security and compliance with industry standards and regulatory controls (e.g., NIST 800-53 in federal contexts). Required Skills and Qualifications Experience: Proven experience in API development, integration, system architecture ...

Build interactive dashboards and self-service reporting capabilities that enable stakeholders to explore data independently Provide technical oversight for data modelling, report architecture, and performance optimisation Support migration or integration of reporting solutions alongside ERP or finance system changes Develop documentation and standards including data dictionaries, reporting frameworks ...

understanding of design systems and modular design thinking. Ability to deliver high volumes of quality work at pace. Strong commercial awareness and understanding of performance optimisation. Highly organised, proactive, and collaborative. Desirable Experience within ecommerce, fashion or lifestyle brands. Motion design capability. Background in fast-paced retail or product ...

profile end customer. Key Requirements: Proven experience as a Database Administrator (PostgreSQL DBA) Must hold Active Security Clearance (SC) Core development/maintenance and performance optimisation (sharding, partitions) Experience with clustering and extensions such as Pgvector PostGIS and AGE Data migration experience from existing database(s) to Postgres ...

best practice.Review and validate development outputs, ensuring alignment to design principles and long-term sustainability. Shape the platform’s environment strategy, including version upgrades, performance optimisation, and health monitoring. Platform Strategy Roadmap Provide strategic input into licensing, roadmap planning, security posture, and the future evolution of the platform. ...

Azure Databricks, Azure Data Lake Storage, Azure Data Factory).• Architect and implement advanced data pipelines using Databricks, Delta Lake, Python and Spark, ensuring performance, reliability, and maintainability across cloud and on-prem environments.• Champion data quality, governance, and observability, ensuring data is accurate, timely, and fit-for-purpose … including Azure Databricks, Azure Data Lake Storage, and Azure Data Factory.• Advanced proficiency in SQL, Python, and Spark (PySpark), with a strong focus on performance optimization and distributed processing.• Proven experience in CI/CD practices using industry-standard tools (e.g., GitHub Actions, Azure DevOps).• Strong understanding ...

modelling standards including dimensional modelling, star schema, and enterprise data models. Lead architecture reviews and solution design discussions for new data initiatives. Optimize Snowflake performance, workload management, and cost governance. Establish data governance frameworks including access control, data security, and compliance standards. Design and support AI/ML-ready … guest behaviour analysis, booking trends, revenue analytics, and operational reporting. Required Technical Skills Data Platform Strong expertise in Snowflake Deep knowledge of Snowflake architecture, performance tuning, data sharing, security, and workload optimization. Cloud Platform Strong experience with Amazon Web Services, including: S3 IAM AWS Glue Lambda CloudWatch Data Transformation ...

modify data models to accommodate new PRISM position attributes. * Ensure data consistency, referential integrity, and alignment with business rules. * Tune SQL queries, optimise ETL performance, and resolve bottlenecks. * Add or update validation rules, data quality checkpoints, reconciliations, and monitoring scripts. * Support defect analysis and resolution across SIT/… SQL. * Hands on experience with ETL frameworks, ideally SSIS, including package development, debugging, and optimisation. * Solid understanding of data modelling, schema design, indexing, and performance optimisation. * Ability to work with complex data structures in Finance or Risk domains. * Familiarity with PRISM, GL accounting data flows, or financial system integrations ...

required for process mining in Celonis. Translate existing process event logs (case IDs, activities, timestamps, attributes) into a Data Model. Ensure scalability, reusability, and performance of event log frameworks across processes. Data Model & Data Pipeline Development Develop and optimize ETL/ELT pipelines from Source systems. Data ingestion, transformation … Design and optimize process mining data models (CCPM and OCPM) aligned with requirements. Handle large-volume transactional datasets while preserving process integrity and traceability. Performance Optimization & Quality Optimize queries, transformations, and data models for performance and scalability. Perform data validation, reconciliation, and root-cause analysis. Proactively identify data ...

through Azure SQL, OLAP technologies, and DAX-powered semantic models. You will collaborate with data engineers, analysts, and business stakeholders to ensure reliable, high-performance data pipelines and analytics platforms. Key Responsibilities Data Warehouse Development Design and develop enterprise data warehouse solutions using Azure SQL Database/Azure … snowflake schemas for analytical workloads. Develop ETL/ELT pipelines for ingesting and transforming data from multiple source systems. Implement data partitioning, indexing, and performance optimization strategies. Data Modeling & Analytics Develop OLAP data models for business intelligence and reporting. Create and optimize DAX measures, calculated columns, and KPIs. Design ...

. Security & Governance: Oversee Azure IAM, Key Vault, and general security protocols within a UNIX environment to ensure compliant and hardened architectures. Performance Optimization: Implement and tune high-performance web stacks using Apache, Varnish for caching, and HAProxy for load balancing. Team Leadership: Manage and technically govern ...