376 to 400 of 838 Performance Tuning Jobs

Principal Java Engineer

Location
Wallingford, England, United Kingdom
architecture and technical direction across multiple products and services. Design, implement and review high-quality Java and full-stack solutions, APIs and integrations. Lead performance optimisation, scalability and resilience initiatives. Drive security best practices, vulnerability remediation and secure software development lifecycle (SDLC) practices. Work closely with Data, Operations, DevOps … complex production issues. Drive improvements in system observability, monitoring and operational performance. Ensure applications are designed and operated to meet reliability, availability and performance targets. Partner with Operations, DevOps and QA teams to maintain production stability and service quality. Embed a culture of operational excellence, continuous improvement and proactive ...

Data Analyst

Location
Biggin Hill, England, United Kingdom
methodologies Design and build scalable data pipelines and orchestration workflows Support data loading and change data capture processes Monitor data quality, integrity and performance across data platforms Maintain medallion architecture layers in a data lake to manage structured and semi-structured data Apply data modelling best practises to support … solution-oriented mindset Experience Experience Proven experience in data activities Experience with Microsoft Fabric including Data Factory, OneLake, Spark Knowledge of DataFrames, Partitioning, Performance Tuning, Notebook Development, Spark SQL, Delta Tables, Data Modelling, Semantic Models Good customer service, communication and team working skills Some desirable experience that ...

Data Migration Analyst (Salesforce, SQL) - Fixed Term Contract

Location
Reading, England, United Kingdom
lookup and master-detail), record types, and field types. Strong SQL Server and T-SQL skills, including stored procedures, joins across large data sets, performance tuning, and data quality checks. Experience with data extraction and loading tools for Salesforce (e.g., Data Loader, Bulk API, SSIS, Azure Data Factory … lifestyles – not just on key days, but every day. Be rewarded for your efforts We believe people should be paid based on their performance so our pay and benefits reflect this and are designed to attract the very best talent. We encourage everyone in our organisation to explore opportunities ...

URGENT | AWS Data Engineer (migration)

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
Martock, Somerset, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £525.00 per day
Initio transformations/reformat logic into scalable PySpark solutions. Experience building and optimising large-scale ETL/data pipeline solutions in AWS. Excellent Spark performance tuning capabilities, including troubleshooting data skew, partitioning, memory and load-related issues. Strong data warehousing and data modelling knowledge Strong comminication skills. Nice ...

Software Developer

Hiring Organisation
CMD Recruitment
Location
Chippenham, Wiltshire, United Kingdom
Employment Type
Permanent
Salary
£45000 - £50000/annum benefits
Looking For: Strong commercial experience with C# and .NET Experience with MVC, Razor or Blazor Solid SQL Server skills, including complex queries and performance tuning Experience developing and integrating REST APIs Knowledge of Entity Framework and JavaScript or TypeScript Familiarity with Git, Azure DevOps and CI/ ...

Senior DevOps Engineer

Location
Leeds, England, United Kingdom
Windows Server 2022 and IIS configuration Networking principles, firewall configuration, and troubleshooting F5 load balancer configuration and support SQL Server configuration, administration, and performance tuning Advanced PowerShell scripting skills for automation and provisioning frameworks. Experience with on-premise x86 infrastructure builds and Azure VMware Solution (AVS) configurations. Demonstrated ...

Senior Site Reliability Engineer

Location
Nottingham, England, United Kingdom
evolve monitoring and alerting solutions that improve visibility, reduce toil, and strengthen system health. Continuously drive reliability improvements across our environments through incident reduction, performance tuning, and building resilient patterns. Partner with Security teams to ensure our platforms meet compliance, security, and risk‐management expectations. Influence architectural ...

Databricks Architect - Lead/Principal Consultant

Location
Greater Manchester, England, United Kingdom
functional requirements that make or break them. Data Engineering Depth: Strong command of Spark, SQL and Python, data modelling, streaming and batch patterns, performance tuning, and engineering practice (version control, testing, automated deployment). Engineering Leadership: Demonstrable experience leading teams of engineers — technically and as people ...

Lead Site Reliability Engineer

Hiring Organisation
London Stock Exchange Group
Location
Nottingham, UK
Employment Type
Full-time
evolve monitoring and alerting solutions that improve visibility, reduce toil, and strengthen system health. Continuously drive reliability improvements across our environments through incident reduction, performance tuning, and building resilient patterns. Partner with Security teams to ensure our platforms meet compliance, security, and risk‐management expectations. Lead seamless handovers ...

Full Stack Product Engineer

Location
Greater London, England, United Kingdom
design requirements into accessible, reusable interfaces. Experience with secure coding, sensitive data, Docker, Git, automated testing and CI/CD. Strong debugging and performance‐tuning skills, and clear communication with technical and non‐technical stakeholders. Desirable Skills and Experience Experience with Azure OpenAI, Azure AI Search, Microsoft Graph ...

Senior Java Engineer

Location
Manchester, England, United Kingdom
designing and implementing microservices-based architectures.Strong understanding of application integration patterns, APIs, and service-oriented design.Expertise in database design, data modelling, query optimisation, and performance tuning.Experience working across the full software development lifecycle in Agile deliveryenvironments.Strong analytical and problem-solving skills with the ability to translate business requirements into ...

Senior Java Engineer

Location
Urmston, England, United Kingdom
designing and implementing microservices-based architectures.Strong understanding of application integration patterns, APIs, and service-oriented design.Expertise in database design, data modelling, query optimisation, and performance tuning.Experience working across the full software development lifecycle in Agile deliveryenvironments.Strong analytical and problem-solving skills with the ability to translate business requirements into ...

Lead Developer

Location
Winsford, England, United Kingdom
small team and raise the engineering bar. Design scalable applications using Laravel . Architect microservices and modular systems where appropriate. Build secure, high‐performance REST APIs. Implement queue‐based and event‐driven systems. Design systems with scalability, reliability, and fault tolerance in mind. Own CI/CD pipelines … deployment strategy. Improve performance, security, and cost efficiency. Lead sprint planning and technical roadmap discussions. Conduct code reviews and mentor developers. Own and resolve production issues when it matters most. What We’re Looking For Strong Laravel experience in production environments . Proven background in system architecture . Experience ...

API Software Engineer

Hiring Organisation
NatWest Group
Location
Edinburgh, UK
Employment Type
Full-time
driven Software Engineer to take on an exciting new career challengeDay-to-day, you'll be engineering and maintaining innovative, customer centric, high performance, secure and robust solutionsIt's a chance to hone your existing technical skills and advance your career while building a wide network of stakeholdersWhat … deploymentExperience designing and building RESTful APIs in line with established engineering standards and best practicesGood understanding of microservices architecture, scalability, resiliency, caching, and performance optimisationExperience with Java performance tuning and troubleshooting, including root cause analysis and resolution of complex technical issuesKnowledge of DevOps and CI/ ...

API Software Engineer

Hiring Organisation
NatWest Group
Location
London, UK
Employment Type
Full-time
driven Software Engineer to take on an exciting new career challengeDay-to-day, you'll be engineering and maintaining innovative, customer centric, high performance, secure and robust solutionsIt's a chance to hone your existing technical skills and advance your career while building a wide network of stakeholdersWhat … deploymentExperience designing and building RESTful APIs in line with established engineering standards and best practicesGood understanding of microservices architecture, scalability, resiliency, caching, and performance optimisationExperience with Java performance tuning and troubleshooting, including root cause analysis and resolution of complex technical issuesKnowledge of DevOps and CI/ ...

Low Latency Developer

Location
Greater London, England, United Kingdom
Join Barclays as a Low Latency Developer and become part of a technology team responsible for building and enhancing high performance trading systems that support critical business activity across our markets platform. This role is focused on the ongoing development and optimisation of a key platform supporting algorithmic trading … Latency Developer you must have the following essential skills : Low latency and advanced Java knowledge (lock free patterns, zero allocation development, performance tuning). OS and network tuning knowledge and hard on experience (mechanical sympathy). Working with low latency messaging (protocols, middleware). Some other highly ...

Oracle PL/SQL Developer

Location
City Of London, England, United Kingdom
development using PL/SQL Strong SQL skills and experience using tools such as SQL Developer, Toad or SQL*Plus Experience writing complex and performance-focused SQL queries Experience debugging and performance-tuning PL/SQL Experience with ETL processes and data extraction/transformation/loading ...

Oracle PL/SQL Developer

Hiring Organisation
Proactive Appointments
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £55,000 per annum
development using PL/SQL Strong SQL skills and experience using tools such as SQL Developer, Toad or SQL*Plus Experience writing complex and performance-focused SQL queries Experience debugging and performance-tuning PL/SQL Experience with ETL processes and data extraction/transformation/loading ...

SC Cleared Linux Engineer

Hiring Organisation
Experis
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day
enhance UNIX/Linux shell scripts to automate operational tasks. Work closely with project teams to deliver infrastructure improvements and technical solutions. Monitor system performance, availability, and security across the Linux estate. Produce and maintain technical documentation, procedures, and support guides. Participate in out-of-hours maintenance and project … develop and maintain high-quality UNIX shell scripts. Experience troubleshooting and supporting complex multi-platform UNIX/Linux infrastructures. Strong understanding of Linux server performance tuning, patching, and system maintenance. Experience working within managed service and operational support environments. Strong analytical and problem-solving skills. Excellent communication ...

DATACOM SME (Data Communication Subject Matter Expert

Hiring Organisation
The Nippon Telegraph And Telephone Corporation (NTT)
Location
United Kingdom, UK
Employment Type
Full-time
networking and data communication technologies. The ideal candidate will be responsible for designing, implementing, optimizing, and supporting complex network infrastructures while ensuring high availability, performance, scalability, and security. The role requires close collaboration with infrastructure, security, cloud, and operations teams to deliver reliable and efficient networking services. In this … matter expertise for LAN, WAN, WLAN, SD-WAN, VPN, and Data Center networking technologies. Lead network transformation and modernization initiatives. Perform network capacity planning, performance tuning, and optimization. Troubleshoot complex network issues and drive root cause analysis. Collaborate with Infrastructure, Security, Cloud, and Application teams to ensure seamless ...

DATACOM SME (Data Communication Subject Matter Expert; all genders)

Location
Greater London, England, United Kingdom
networking and data communication technologies. The ideal candidate will be responsible for designing, implementing, optimizing, and supporting complex network infrastructures while ensuring high availability, performance, scalability, and security. The role requires close collaboration with infrastructure, security, cloud, and operations teams to deliver reliable and efficient networking services. In this … matter expertise for LAN, WAN, WLAN, SD-WAN, VPN, and Data Center networking technologies. Lead network transformation and modernization initiatives. Perform network capacity planning, performance tuning, and optimization. Troubleshoot complex network issues and drive root cause analysis. Collaborate with Infrastructure, Security, Cloud, and Application teams to ensure seamless ...

Senior .NET Developer

Hiring Organisation
MRJ Recruitment
Location
Manchester, United Kingdom
support. Collaborate with platform engineering teams to maintain a robust CI/CD pipeline. Ensure all code is testable, covering unit, integration, UI, and performance tests. Who You Are: Solid commercial experience with .NET and C#. Hands-on experience with Akka.NET for building distributed, scalable, fault-tolerant systems. Familiar … . Strong understanding of OOP principles and design patterns. Experienced with Web Services, WebAPI, and WCF. Comfortable with SQL and NoSQL databases. Skilled in performance tuning and optimisation. Confident with Git and source control best practices. Experienced in Agile or Kanban environments. Excellent collaborator and communicator, with ...

Senior Data Engineer – Databricks & DLT

Location
City Of London, England, United Kingdom
analytics and reporting. Collaborate with cross‐functional teams to understand data requirements and deliver robust solutions. Monitor, troubleshoot, and enhance data workflows for performance and reliability. Maintain technical documentation and contribute to data engineering best practices. Required Skills & Qualifications: Strong experience withDatabricks- DLT, Delta Lake concepts, UC governance. Solid …/ELT processes, and data architecture. Experience in MS Copilot, AI Foundry , Databricks (MosiacAI, MLflow, Agentbricks, Genie) Strong analytical background with problem‐solving skills. Performance tuning concepts like watermarking, late data handling, parallelism & checkpointing. Hands‐on expertise inADF, and Qlik Replicatefor data ingestion and replication. Experience working inAzure ...

Senior Infrastructure Engineer (GCP) - Engine by Starling

Location
Cardiff, Wales, United Kingdom
case studies with Women in Tech. As a Senior Infrastructure Engineer, you will: Design, document, build and maintain scalable infrastructure on GCP Ensure the performance and reliability of cloud environments whilst measuring cost-effectiveness Embrace automation and be reluctant for manual implementation Build systems with security by design … Manager (EKM) and Secret Manager — including support for cryptographic key ceremonies Rapidly diagnose and fix client-reported infrastructure issues while maintaining peak security and performance Write clear technical documentation and host training sessions for the team Demonstrate knowledge of new technologies and changes in the industry Lead complex infrastructure ...

Staff Infrastructure Engineer (GCP) - Engine by Starling

Location
Manchester, England, United Kingdom
case studies with Women in Tech. As a Staff Infrastructure Engineer, you will: Design, document, build and maintain scalable infrastructure on GCP Ensure the performance and reliability of cloud environments whilst measuring cost-effectiveness Embrace automation and be reluctant for manual implementation Build systems with security by design … Manager (EKM) and Secret Manager — including support for cryptographic key ceremonies Rapidly diagnose and fix client-reported infrastructure issues while maintaining peak security and performance Write clear technical documentation and host training sessions for the team Demonstrate knowledge of new technologies and changes in the industry Lead complex infrastructure ...