251 to 275 of 323 Performance Tuning Jobs in the UK

Lead PySpark Engineer - Data, SAS, AWS

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £380 per day
ready PySpark code. Strong understanding of data and data warehousing concepts, including: ETL/ELT, Data models, Dimensions and facts, Data marts, SCDs Spark Performance & Optimisation Strong knowledge of Spark execution concepts, including partitioning, optimisation, and performance tuning. Experience troubleshooting and improving distributed data processing pipelines. Python & Engineering ...

Dataset Developer

Hiring Organisation
Greater Manchester Mental Health NHS Foundation Trust
Location
Prestwich, M25 3BL, United Kingdom
Salary
£47810.00 to £54710.00
accurate, auditable, and compliant with information governance standards. Proactively identify and implement opportunities to improve data warehouse structures, Power BI semantic models, and reporting performance using best-practice design. Operate within agreed development, change, and release management frameworks to deliver secure, well-documented, and maintainable data solutions. About … such as Microsoft Fabric Experience using Python for data engineering Knowledge Essential Strong proficiency in T-SQL for writing complex queries, stored procedures, and performance tuning. Understanding of Data Architecture/Data Modelling principles and practices. Understanding of the importance of data quality, confidentiality and security and Information Governance ...

Back End Developer

Hiring Organisation
NearTech Search
Location
City of London, London, United Kingdom
rollout • Strengthen testing strategy across unit and integration layers • Improve data and integration workflows with observability and resilience • Optimise Postgres (RDS) and MongoDB performance, modelling and migrations The role requires... • Strong commercial experience with Node.js and TypeScript • Deep API design expertise, including versioning and backwards compatibility • Solid Postgres knowledge … querying, modelling and performance tuning • Clear communication of trade-offs and pragmatic architectural decisions • Independent delivery of reliable, production-grade systems This Senior Backend Engineer (Full Stack, backend-leaning) role offers genuine ownership and influence in a business where engineering quality directly impacts customer trust. To apply please ...

Founding Embedded Software Engineer

Hiring Organisation
Sekkari
Location
City of London, London, United Kingdom
Integration: Port and optimize real-time operating systems (RTOS) or Linux kernels to run on our custom electronic architecture. Driver Development: Write high-performance drivers for custom memory controllers, interfacing the electronic L2/L3 caches with the optical domain. Hardware Abstraction: Develop the HAL (Hardware Abstraction Layer) that … allows high-level autonomous software to leverage our chip’s unique electro-optical speed. Performance Tuning: Work with the IC design team to profile and eliminate bottlenecks between the software execution and the hardware logic. Bootloader & Security: Design secure boot sequences and firmware update mechanisms for edge deployment ...

Certified Pega Lead Decisioning Architect

Hiring Organisation
Accenture
Location
Birmingham, West Midlands, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
People, Client Value Creation, One Global Network, Respect for the Individual and Integrity. Year after year, Accenture is recognized worldwide not just for business performance but for inclusion and diversity too. “Across the globe, one thing is universally true of the people of Accenture: We care deeply about what … strategies. Ensure compliance with industry standards and Pega architecture guidelines. Collaborate with cross-functional teams to deliver scalable, integrated solutions. Oversee code reviews, performance tuning, and optimisation of decisioning applications. Support production deployment, testing, and solution maintenance. Stay up to date on evolving Pega decisioning capabilities and best ...

Alliance ProjectWise Lead

Hiring Organisation
BAM UK & Ireland
Location
City of London, London, United Kingdom
Employment Type
Permanent
Implement and maintain ProjectWise Managed Workspaces (Configuration Settings Blocks, imports, dynamic frameworks), align MicroStation/verticals configurations per contract, and troubleshoot workspace resolution issues. Performance & file transfer optimization: Configure/maintain Caching Servers and storage areas; tune Delta File Transfer, compression, streaming, and client caching for distributed teams. Standards … resolve managed workspace resolution/pathing issues. Security design: Simplify permission models, standardize role templates, and prevent inheritance conflicts across multiple client projects. Performance tuning: Deploy caching/storage areas, enable/tune DFT, compression, and streaming, and set client caching policies. Governance & documentation: Map ISO 19650 states ...

Data Engineer

Hiring Organisation
Opus Recruitment Solutions
Location
City of London, London, United Kingdom
frameworks to support additional use cases and improved performance. Create, manage, and optimise Databricks Workflows , including orchestration logic and operational behaviours. Carry out testing, performance tuning, and provide day‐to‐day operational support for data pipelines. Work closely with Solution Designers/Architects and Configuration Analysts to ensure ...

Senior Full Stack Engineer

Hiring Organisation
Develop
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
type-safe APIs with tRPC on Node.js/Express Working with PostgreSQL and Elasticsearch for relational and search-optimised data Contributing to architecture decisions, performance tuning, and refactoring Collaborating closely with technical and non-technical stakeholders Owning features end-to-end - from development through to deployment What ...

Senior Field Based Comms Engineer

Hiring Organisation
Flotek Group Limited
Location
Pencoed, Wales, United Kingdom
VPNs, and QoS policies to support voice and data networks. Conduct site surveys and assist in planning network topologies. Perform diagnostics, monitoring, and performance tuning on network equipment. Install Cat6, and fibre cabling systems according to best practices. Fluke Test and certify new cabling installations. Maintain accurate documentation ...

Senior Field Based Communications Engineer

Hiring Organisation
Flotek
Location
Bridgend, Mid Glamorgan, Wales, United Kingdom
Employment Type
Permanent
Salary
£35,000
VPNs, and QoS policies to support voice and data networks. Conduct site surveys and assist in planning network topologies. Perform diagnostics, monitoring, and performance tuning on network equipment. Install Cat6, and fibre cabling systems according to best practices. Fluke Test and certify new cabling installations. Maintain accurate documentation ...

Embedded Systems Engineer

Hiring Organisation
Copello
Location
Buckingham, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
£65000 - £85000/annum
engineer with extensive experience in the design and development of embedded systems. Strong expertise in ARM-based processors, including low-level development, optimization, and performance tuning. Proven experience working with trusted frameworks and architecting complex, large-scale embedded systems. Deep technical proficiency with a hands-on approach to design ...

Managing Consultant - Endur Technical

Hiring Organisation
capSpire
Location
City of London, London, United Kingdom
interoperability. Oracle and MS SQL Server Database Management: Strong understanding of Oracle and MS SQL Server databases, including database design, administration, optimisation, and performance tuning. .NET C# and/or Java Development: Proficiency in .NET C# and Java development for building custom applications, modules, and integrations within the Endur … Deep understanding of various functional areas and relevant modules of Endur. Experience in conducting comprehensive testing and quality assurance activities to validate the functionality, performance, and reliability of Endur solutions. Worked as part of a cross-cultural/geographical team including flexibility to support multiple time zones when necessary. ...

Third Line Support Engineer (Senior Infrastructure & Support Specialist)

Hiring Organisation
THAMES 360
Location
Banbury, Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £60,000 per annum
seeking an experienced Third Line Support Engineer to provide advanced technical support, own complex infrastructure issues, and ensure the high availability, security, and performance of critical IT systems. This senior hands-on role focuses on resolving escalated incidents, maintaining and optimising virtualised and containerised environments (VMware, Kubernetes), supporting core … cause analysis on recurring or high-impact issues and implement preventive measures. Maintain high availability of critical systems through proactive monitoring, patching, updates, and performance tuning. Infrastructure Management & Optimisation Design, implement, maintain, and support virtualised environments (VMware) and containerised workloads (Kubernetes). Manage and optimise core business systems, including ...

Appian Architect

Hiring Organisation
Genpact
Location
England, United Kingdom
Mash API, and external systems. Drive integration of AI/ML models with Appian applications for intelligent automation and decisioning. Optimize Appian applications for performance, scalability, and maintainability. Participate in architecture reviews, code reviews, and technical documentation Define CI/CD strategies and DevOps practices for Appian deployments. Collaborate … development experience. Appian Lead Developer Certification (mandatory). Deep understanding of Appian architecture including records, SAIL interfaces, process models, CDTs, plug-ins, and performance tuning. Strong experience with Mash API and enterprise integration patterns. Experience integrating Appian with AI/ML models (REST-based AI services, predictive models ...

Infrastructure/DevOps Lead - RedHat/VMWare/Kubernetes

Hiring Organisation
Harvey Nash
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £120,000 per annum
Enterprise Linux , ensuring robust, secure, and reliable platform operations. Oversee and optimize VMware vSphere environments, including capacity planning, lifecycle management, and performance tuning. Manage and support enterprise-grade storage platforms such as PureStorage, ensuring data availability, performance, and integrity. Design, maintain, and troubleshoot Kubernetes clusters across hybrid environments. ...

Starburst Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
week MUFG Client Office) The Role Starburst Developer Your responsibilities: Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. Monitor … Avoid repetition) Minimum 8+ Years of Strong hands-on experience with Starburst Enterprise or Denodo Tool Advanced SQL skills, including query optimization and performance tuning. Experience with cloud data platforms (Snowflake, Databricks) Proficiency in any Scripting language (e.g. Python/Scala) Proficiency in data analytics and data engineering Desirable ...

Starburst Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Bradford, UK
Employment Type
Full-time
days in a week MUFG Client Office) The RoleStarburst DeveloperYour responsibilities: Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. … Avoid repetition) Minimum 8+ Years of Strong hands-on experience with Starburst Enterprise or Denodo Tool Advanced SQL skills, including query optimization and performance tuning. Experience with cloud data platforms (Snowflake, Databricks) Proficiency in any Scripting language (e.g. Python/Scala) Proficiency in data analytics and data engineeringDesirable skills ...

Starburst Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Dunfermline, Fife, UK
Employment Type
Full-time
days in a week MUFG Client Office) The RoleStarburst DeveloperYour responsibilities: Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. … Avoid repetition) Minimum 8+ Years of Strong hands-on experience with Starburst Enterprise or Denodo Tool Advanced SQL skills, including query optimization and performance tuning. Experience with cloud data platforms (Snowflake, Databricks) Proficiency in any Scripting language (e.g. Python/Scala) Proficiency in data analytics and data engineeringDesirable skills ...

Starburst Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
week MUFG Client Office) The Role Starburst Developer Your responsibilities: Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. Monitor … Avoid repetition) Minimum 8+ Years of Strong hands-on experience with Starburst Enterprise or Denodo Tool Advanced SQL skills, including query optimization and performance tuning. Experience with cloud data platforms (Snowflake, Databricks) Proficiency in any Scripting language (e.g. Python/Scala) Proficiency in data analytics and data engineering Desirable ...

Starburst Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
week MUFG Client Office) The Role Starburst Developer Your responsibilities: Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. Monitor … Avoid repetition) Minimum 8+ Years of Strong hands-on experience with Starburst Enterprise or Denodo Tool Advanced SQL skills, including query optimization and performance tuning. Experience with cloud data platforms (Snowflake, Databricks) Proficiency in any Scripting language (e.g. Python/Scala) Proficiency in data analytics and data engineering Desirable ...

Starburst Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
week MUFG Client Office) The Role Starburst Developer Your responsibilities: Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. Monitor … Avoid repetition) Minimum 8+ Years of Strong hands-on experience with Starburst Enterprise or Denodo Tool Advanced SQL skills, including query optimization and performance tuning. Experience with cloud data platforms (Snowflake, Databricks) Proficiency in any Scripting language (e.g. Python/Scala) Proficiency in data analytics and data engineering Desirable ...

Starburst Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
week MUFG Client Office) The Role Starburst Developer Your responsibilities: Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. Monitor … Avoid repetition) Minimum 8+ Years of Strong hands-on experience with Starburst Enterprise or Denodo Tool Advanced SQL skills, including query optimization and performance tuning. Experience with cloud data platforms (Snowflake, Databricks) Proficiency in any Scripting language (e.g. Python/Scala) Proficiency in data analytics and data engineering Desirable ...

Starburst Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Broughton, Scottish Borders, UK
Employment Type
Full-time
days in a week MUFG Client Office) The RoleStarburst DeveloperYour responsibilities: Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. … Avoid repetition) Minimum 8+ Years of Strong hands-on experience with Starburst Enterprise or Denodo Tool Advanced SQL skills, including query optimization and performance tuning. Experience with cloud data platforms (Snowflake, Databricks) Proficiency in any Scripting language (e.g. Python/Scala) Proficiency in data analytics and data engineeringDesirable skills ...

Starburst Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Livingston, West Lothian, UK
Employment Type
Full-time
days in a week MUFG Client Office) The RoleStarburst DeveloperYour responsibilities: Design and maintain data pipelines using Starburst and related technologies. Optimize query performance and resolve data processing bottlenecks. Manage databases to ensure high availability, reliability and security. Integrate Starburst with various data sources including cloud services and APIs. … Avoid repetition) Minimum 8+ Years of Strong hands-on experience with Starburst Enterprise or Denodo Tool Advanced SQL skills, including query optimization and performance tuning. Experience with cloud data platforms (Snowflake, Databricks) Proficiency in any Scripting language (e.g. Python/Scala) Proficiency in data analytics and data engineeringDesirable skills ...

Oracle Apex Developer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Candidate Data Privacy Notice. Oracle APEX Developer – Job Description Role Overview An Oracle APEX Developer is responsible for developing scalable, secure, and high‐performance web applications using Oracle APEX. The role involves working closely with business stakeholders to translate requirements into technical solutions, leveraging Oracle Database technologies such … APEX components Enhance user interfaces using HTML, CSS, JavaScript , and APEX themes/templates Maintain and enhance existing APEX applications, including bug fixing and performance tuning. Ensure application security, performance, and data integrity Create and maintain technical documentation and application support artifacts Collaborate with DBAs, business analysts, testers ...