22 of 22 Contract Performance Tuning Jobs in London

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 ❯

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 ❯

experienced DataPower Developer to join our team to support projects environment. 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 ❯

It is hybrid and will require 3x days onsite per week. You will be responsible for the design, optimize, and maintain Oracle-based data warehouse solutions to ensure high performance, scalability, and alignment with business intelligence and analytics needs. You will have proven experience reviewing and optimizing Oracle data warehouse environments, conducting performance tuning, indexing strategies and … partitioning. Skills: Deep understanding of Oracle data warehouse architecture and performance optimization. Strong knowledge of relational and OLAP modelling principles. Advanced SQL and PL/SQL skills (Oracle 11g/12c or later). Familiarity with data profiling, data quality assessment, and metadata management. Experience identifying and implementing improvements in data warehouse performance, structure, and scalability. More ❯

It is hybrid and will require 3x days onsite per week. You will be responsible for the design, optimize, and maintain Oracle-based data warehouse solutions to ensure high performance, scalability, and alignment with business intelligence and analytics needs. You will have proven experience reviewing and optimizing Oracle data warehouse environments, conducting performance tuning, indexing strategies and … partitioning. Skills: Deep understanding of Oracle data warehouse architecture and performance optimization. Strong knowledge of relational and OLAP modelling principles. Advanced SQL and PL/SQL skills (Oracle 11g/12c or later). Familiarity with data profiling, data quality assessment, and metadata management. Experience identifying and implementing improvements in data warehouse performance, structure, and scalability. More ❯

with AWS ECS, ECR, and Fargate. Proficient in Python, Node.js, and Docker for building and containerizing secure, scalable applications. Strong knowledge of Apigee and API management, including design patterns, performance tuning, and analytics. Solid understanding of distributed systems and enterprise application architecture with a focus on reliability and security. You will need to be eligible to go through 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 ❯

more resilient and scalable BI framework What you'll need to succeed Strong experience with SSAS Cube technologies and multidimensional data models Advanced SQL skills, including query writing and performance tuning Ability to reverse-engineer and optimize Excel-based processes Excellent communication skills and a collaborative mindset Experience working with finance teams and understanding financial data flows Desirable 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 ❯

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 ❯

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 ❯

Role:- Senior Frontend Engineer – 3D Visualization (React, WebGL, Python) Duration: 3 Months – Possible extension Location : UK- Remote Key Responsibilities: Develop a high-performance 3D brain visualization tool in the browser using WebGL and ThreeJS . Build and maintain React components to enable user interaction with different types of media (images, video, text). Integrate backend Python APIs and model … Implement intuitive and responsive UI/UX for researchers, scientists, and public audiences. Work closely with design and research teams to iterate based on feedback. Ensure smooth, low-latency performance across browsers and platforms. Essential Skills: Strong experience with WebGL , ThreeJS , or similar 3D graphics frameworks. Proficiency in ReactJS and modern frontend development (HTML/CSS/JavaScript or … visual, or media-rich web applications. Desirable (Nice to Have): Experience working with scientific or research-based datasets . Knowledge of data pipelines and structured data processing. Familiarity with performance tuning for high-resolution visualizations in browsers. Exposure to AI/ML workflows, even if not building models directly. More ❯

Initial 12 month contract Hybrid working Contract or Perm position Overview: Project Controls acts as a centre of excellence, strategically managing delivery performance data to support the successful execution of a major nuclear new build programme. Our teams drive proactive, forward-looking solutions that continuously enhance project performance. As the Cost Systems Engineer , you will be responsible for the … in ensuring the system aligns with project controls standards and supports both client and supply chain delivery scopes. Key Responsibilities: Lead the configuration and maintenance of EcoSys, ensuring optimal performance and usability. Manage Work Breakdown Structures (WBS) and Cost Breakdown Structures (CBS), including integration with Primavera P6 coding. Align cost data with scheduled activities to ensure accurate forecasting and … relevant software applications. Desirable Skills & Experience: Experience with other cost systems such as Prism (Contruent), Cobra, Unifier, or Smartsheets. Familiarity with server-side administration including disk usage, security, and performance tuning. Experience collaborating with Finance, Data Management, and IT teams. Proficiency in Power BI and other reporting/analytics tools. Exposure to multiple Project Controls functions: cost control, estimating More ❯

that need to be fast, scalable, and secure. Writing clean, reusable, and reliable Java code that follows best practices. Working with databases, caching, and messaging systems to ensure smooth performance and real-time gameplay. Collaborating with Product, QA, Front-End, and DevOps teams to deliver new features and resolve challenges. Taking an active part in Agile ceremonies – planning, stand … retrospectives. Creating and maintaining clear documentation for APIs, services, and workflows. Providing production support and troubleshooting to keep systems stable and efficient. Driving continuous improvements through refactoring, automation, and performance tuning. What’s on Offer Day Rate: Up to £650 (outside IR35) Contract Length: 12 months, with strong possibility of extension Location: Fully remote UK based The chance to More ❯

associated AI frameworks. Collaborate with business stakeholders to identify and deliver impactful AI-enabled business solutions. Provide technical leadership and best-practice guidance on Oracle AI tools, integration, and performance optimisation. Drive enhancements, integrations, and continuous improvement across the Oracle ecosystem. Produce technical documentation, solution designs, and training materials for internal teams. Partner with data, infrastructure, and integration teams … APEX , VBCS , SQL/PLSQL , and related technologies. Experience designing and integrating AI-based solutions in SaaS/PaaS/IaaS environments. Strong knowledge of integration architecture, security, and performance tuning. Familiarity with Azure DevOps or similar CI/CD frameworks. Excellent communication, documentation, and stakeholder engagement skills. Preferred Qualifications 10+ years of hands-on experience across Oracle development More ❯

of ours in the media space are seeking an experienced Senior Full Stack Web Developer to play a key role in the design, development, and delivery of innovative, high-performance web applications. This position is central to the ongoing evolution of our programmatic and data-driven integration platforms, with a focus on scalability, reliability, and clean architecture. You will … with a primary focus on React.js for front-end development and Node.js for back-end services. You'll manage complex data flows in PostgreSQL , utilize Redis for caching and performance optimization, and implement robust messaging systems such as Kafka . The role also includes responsibility for CI/CD pipelines, ensuring seamless deployment across multiple environments. This is an … Key Responsibilities Lead the design and development of dynamic, responsive web applications using React.js , Node.js , and related technologies. Build and optimize PostgreSQL databases, including schema design, complex queries, and performance tuning. Implement and manage Redis for caching, session management, and real-time data access. Develop and maintain CI/CD pipelines to support efficient and reliable code delivery across More ❯

services, and runtime systems that power first-party metaverse applications. As a Software Engineer on the Runtime & Asset Pipeline team , youll contribute to improving system reliability, runtime stability, and performance of immersive applications built with Unity and C#. You'll collaborate closely with teams across Europe and North America and be a first responder in diagnosing and resolving runtime … issues across the stack. Key Responsibilities: Contribute to runtime stability and performance optimization for complex Unity-based VR applications. Diagnose and resolve technical issues across C#, C++, and internal tools. Collaborate with cross-functional teams to improve asset pipeline tooling and runtime systems. Work on system profiling, debugging, and performance tuning. Support CI/CD efforts including build … a generalist engineer with the ability to operate across multiple technologies and domains. Requirements: Strong software development experience in C# and Unity . Experience with C++ and familiarity with performance profiling and system diagnostics. Experience debugging complex systems and optimizing runtime environments. Familiarity with CI/CD concepts such as build pipelines, alerts, and automation. Proficiency in tools such More ❯

platforms e.g. Linux, AIX, Windows, VMware. Ensure compliance with patching, config standards and security. Manage End-of-Life (EoX) planning, upgrades, migrations etc. Oversee platform monitoring including capacity and performance management. Implement standard operating procedures to ensure consistency across computing services. Collaborate with engineering and architecture teams to influence operational designs. Drive automation of routine operational tasks using tools … e.g. Ansible, SCCM, SCOM (or similar). Provide reporting on platform performance, incidents & compliance. Manage vendor relationships. Contribute to audits, IT risk assessments and compliance reporting. Identify opportunities for continuous improvement. Skills & experience required: Technical knowledge of Linux, AIX, Windows Server, VMware, and Red Hat Demonstrated expertise in patch management Demonstrated expertise in configuration compliance Demonstrated expertise in performance More ❯

platforms e.g. Linux, AIX, Windows, VMware. Ensure compliance with patching, config standards and security. Manage End-of-Life (EoX) planning, upgrades, migrations etc. Oversee platform monitoring including capacity and performance management. Implement standard operating procedures to ensure consistency across computing services. Collaborate with engineering and architecture teams to influence operational designs. Drive automation of routine operational tasks using tools … e.g. Ansible, SCCM, SCOM (or similar). Provide reporting on platform performance, incidents & compliance. Manage vendor relationships. Contribute to audits, IT risk assessments and compliance reporting. Identify opportunities for continuous improvement. Skills & experience required: Technical knowledge of Linux, AIX, Windows Server, VMware, and Red Hat Demonstrated expertise in patch management Demonstrated expertise in configuration compliance Demonstrated expertise in performance More ❯