101 to 117 of 117 Performance Tuning Jobs in London

C++ Engineer

Hiring Organisation
NJF Global Holdings Ltd
Location
London Area, United Kingdom
passion for learning. Key Skills: 2+ years of modern C++ development in Linux environments. Strong knowledge of computer systems, including OS, networking, and performance tuning. Experience with Object-Oriented design and multi-threaded programming. ...

C++ Engineer

Hiring Organisation
NJF Global Holdings Ltd
Location
City of London, London, United Kingdom
passion for learning. Key Skills: 2+ years of modern C++ development in Linux environments. Strong knowledge of computer systems, including OS, networking, and performance tuning. Experience with Object-Oriented design and multi-threaded programming. ...

Senior eFX Low Latency Java Developer

Hiring Organisation
Reed Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£150000 - £160000/annum
construction and algorithmic trading . You'll work closely with Java and C# developers, business analysts, project managers, and QA teams to deliver high-performance solutions. A strong understanding of FX trading, low latency architecture, and compliance within a trading environment is required. This is a hybrid position , requiring … trading systems using Java. Collaborate with Front Office and IT teams to prototype and deliver analytics and algorithmic trading solutions. Analyse and optimize performance in high-frequency trading environments. Contribute to all phases of the development lifecycle: design, specification, testing, deployment, and support. Provide 3rd line technical support ...

Azure Data Engineer - £400PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £400 per day
Synapse, Databricks, and Microsoft Fabric. Build efficient ETL/ELT processes and data models to support analytics, reporting, and dashboards. Optimise existing pipelines for performance, reliability, and cost efficiency. Implement best practices for data quality, error handling, automation, and monitoring. Manage data security and governance, including Row-Level Security … PySpark, or T-SQL for transformations. Understanding of CI/CD and DevOps (Git, YAML pipelines). Strong grasp of data governance, security, and performance tuning. To apply for this role please submit your CV or contact Dillon Blackburn on or at . Tenth Revolution Group ...

Azure Data Engineer - £400PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £400/day
Synapse, Databricks, and Microsoft Fabric. Build efficient ETL/ELT processes and data models to support analytics, reporting, and dashboards. Optimise existing pipelines for performance, reliability, and cost efficiency. Implement best practices for data quality, error handling, automation, and monitoring. Manage data security and governance, including Row-Level Security … PySpark, or T-SQL for transformations. Understanding of CI/CD and DevOps (Git, YAML pipelines). Strong grasp of data governance, security, and performance tuning. To apply for this role please submit your CV or contact Dillon Blackburn on (phone number removed) or at (url removed). Tenth ...

Data Engineer

Hiring Organisation
Canada Life
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
that data models support business reporting and analytics needs while optimizing query performance. Maintain data dictionaries and metadata to document data structures and relationships. Performance Optimization Optimize data storage, retrieval, and query performance by implementing indexing, partitioning, and caching strategies. Monitor data processing performance and address bottlenecks … they arise. Stay updated with best practices in data processing performance tuning. Documentation and Knowledge Sharing Create and maintain documentation for data pipelines, data transformation processes, and data integration procedures. Foster a culture of knowledge sharing within the data engineering team and across the organization. Collaboration and Stakeholder Engagement ...

PostgreSQL SRE

Hiring Organisation
Barclays Bank Plc
Location
London, UK
Employment Type
Full-time
automation, and best practices in incident response, to ensure the reliability, availability, and scalability of the systems, platforms, and technology through them. Accountabilities Availability, performance, and scalability of systems and services through proactive monitoring, maintenance, and capacity planning. Resolution, analysis and response to system outages and disruptions, and implement … recurring. Development of tools and scripts to automate operational processes, reducing manual workload, increasing efficiency, and improving system resilience. Monitoring and optimisation of system performance and resource usage, identify and address bottlenecks, and implement best practices for performance tuning. Collaboration with development teams to integrate best practices ...

DevOps Engineer (SC Cleared)

Hiring Organisation
Auxo Talent
Location
City of London, London, United Kingdom
/CD pipelines with Jenkins, GitHub Actions, or AWS Code Pipeline Perform administrative and troubleshooting tasks on Linux-based systems, including log analysis and performance tuning. Lead technical triage and root cause analysis for infrastructure-related issues Develop and deploy applications using Docker and AWS FARGATE Use CloudWatch, CloudTrail … third-party tools like Datadog for performance and cost efficiency Configure AWS networking (VPCs, TGWs), enforce governance via AWS Config and tagging policies Maintain architecture diagrams, SOPs, and collaborate across engineering and product teams Should this role speak to you, kindly send a copy of your latest ...

DevOps Engineer (SC Cleared)

Hiring Organisation
Auxo Talent
Location
London Area, United Kingdom
/CD pipelines with Jenkins, GitHub Actions, or AWS Code Pipeline Perform administrative and troubleshooting tasks on Linux-based systems, including log analysis and performance tuning. Lead technical triage and root cause analysis for infrastructure-related issues Develop and deploy applications using Docker and AWS FARGATE Use CloudWatch, CloudTrail … third-party tools like Datadog for performance and cost efficiency Configure AWS networking (VPCs, TGWs), enforce governance via AWS Config and tagging policies Maintain architecture diagrams, SOPs, and collaborate across engineering and product teams Should this role speak to you, kindly send a copy of your latest ...

Director - Lead Software Engineer (Java, Equities)

Hiring Organisation
Huxley Associates
Location
London, United Kingdom
Employment Type
Permanent
Salary
£120000 - £180000/annum + Bonus & Benefits Package
join our Equities Technology team within the Front Office. This is a hands-on, independent contributor role where you will design and build high-performance systems that support our equities trading business. You will work closely with traders, quants, and other technologists to deliver innovative solutions in a fast … management and execution. Collaborate with front-office stakeholders to understand business requirements and translate them into technical solutions. Ensure best practices in software architecture, performance optimization, and scalability. Mentor junior engineers and contribute to technical strategy while remaining hands-on in coding. Requirements Expert-level Java development skills with ...

Director - Lead Software Engineer Java, Equities

Hiring Organisation
Huxley
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £180,000 per annum
join our Equities Technology team within the Front Office. This is a hands-on, independent contributor role where you will design and build high-performance systems that support our equities trading business. You will work closely with traders, quants, and other technologists to deliver innovative solutions in a fast … management and execution. Collaborate with front-office stakeholders to understand business requirements and translate them into technical solutions. Ensure best practices in software architecture, performance optimization, and scalability. Mentor junior engineers and contribute to technical strategy while remaining hands-on in coding. Requirements Expert-level Java development skills with ...

Full Stack Engineer

Hiring Organisation
UST
Location
London Area, United Kingdom
best practices and high-quality front-end performance. Database Engineering Work with SQL Server , including stored procedures, indexing, and query optimization. Ensure data consistency, performance, and scalability across application modules. Required Skills & Experience 10+ years of professional experience in software development. Strong backend engineering with C#/.NET Core … 6+). Solid experience developing REST APIs. Strong React development expertise. Proficiency with SQL Server, stored procedures, indexing, and performance tuning. Practical experience with Azure services: App Services, Functions, APIM, Service Bus, Key Vault, Azure SQL, and Storage. Hands-on experience with CI/CD pipelines in Azure DevOps ...

Full Stack Engineer

Hiring Organisation
UST
Location
City of London, London, United Kingdom
best practices and high-quality front-end performance. Database Engineering Work with SQL Server , including stored procedures, indexing, and query optimization. Ensure data consistency, performance, and scalability across application modules. Required Skills & Experience 10+ years of professional experience in software development. Strong backend engineering with C#/.NET Core … 6+). Solid experience developing REST APIs. Strong React development expertise. Proficiency with SQL Server, stored procedures, indexing, and performance tuning. Practical experience with Azure services: App Services, Functions, APIM, Service Bus, Key Vault, Azure SQL, and Storage. Hands-on experience with CI/CD pipelines in Azure DevOps ...

Software Engineer

Hiring Organisation
Milviangroupukeuropeltd
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
sustainability and compliance, embedding energy efficiency and carbon reduction into all project deliverables. Hold accountability for multi-million-pound budgets, vendor governance and delivery performance across EMEA. Lead and align cross-functional, multi-regional teams, vendors, and contractors, conducting structured progress reviews to meet cost, quality, safety, and sustainability … APIs, SQL, cloud infrastructure (AWS or Azure), IoT communication protocols (MQTT, Modbus, BACnet), and data visualizationtools. Responsibilities include API development, system integration, dataoptimization, and performance tuning. The candidate will collaborate with global engineering teams to deliver scalable smart facility solutions, ensuring reliability, efficiency, and compliance with corporate sustainability objectives. ...

Senior Mobile Specialist (Android)

Hiring Organisation
Parser
Location
City of London, London, United Kingdom
engineering groups to ensure compatibility with evolving API and BFF designs. ● Mentor Android engineers and promote best practices in Kotlin development. ● Troubleshoot complex performance, stability, or integration issues. Technology Stack & Requirements ● 8+ years of Android development experience with strong expertise in Kotlin. ● Proven ability to architect and scale high … consumer-facing Android apps. ● Experience evaluating or integrating hybrid frameworks such as React Native. ● Deep understanding of the Android SDK, lifecycle management, concurrency, and performance tuning. ● Familiarity with Gradle and how architecture influences build and release pipelines. ● Ability to read or maintain legacy Java code. Bonus Points ● Experience integrating ...

Senior Mobile Specialist (Android)

Hiring Organisation
Parser
Location
London Area, United Kingdom
engineering groups to ensure compatibility with evolving API and BFF designs. ● Mentor Android engineers and promote best practices in Kotlin development. ● Troubleshoot complex performance, stability, or integration issues. Technology Stack & Requirements ● 8+ years of Android development experience with strong expertise in Kotlin. ● Proven ability to architect and scale high … consumer-facing Android apps. ● Experience evaluating or integrating hybrid frameworks such as React Native. ● Deep understanding of the Android SDK, lifecycle management, concurrency, and performance tuning. ● Familiarity with Gradle and how architecture influences build and release pipelines. ● Ability to read or maintain legacy Java code. Bonus Points ● Experience integrating ...

Lead Network Operations Engineer - SC Cleared

Hiring Organisation
LA International Computer Consultants Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
days a week onsite in Central London. Main Responsibilities - Oversee the day to day running of the Network infrastructure ensuring integrity, availability, performance and capacity management of Cabinet Office networking infrastructure and requirements. - Monitor Network health, proactively identifying and resolving issues before they escalate. - Perform troubleshooting and root cause … computing etc. - Provide technical leadership on network refresh projects, upgrades and security improvements. - Line Management of Network Team members. - Team Management including recruiting and performance management. It is essential that you have: - In-depth understanding of Networking protocols (mainly TCP/IP) and routing protocols (eg BGP, OSPF ...