Performance Tuning Jobs in England

151 to 175 of 308 Performance Tuning Jobs in England

Software Engineer - C++ London, England, United Kingdom

London, United Kingdom
Geneva Trading
is the core focus, the ideal candidate will also bring experience with C# and Python , enabling flexible collaboration across various tools and platforms. Responsibilities: Design, implement, and maintain high-performance C++ applications for real-time trading. Collaborate with traders, researchers, and other engineers to develop low-latency solutions. Support and enhance existing trading infrastructure and tools. Contribute to system … architecture, performance tuning, and code optimization. Work across the tech stack, using C#, Python, and other tools where needed to support trading workflows. Qualifications: 3-6 years of professional software development experience, with a strong focus on modern C++ (C+ or newer). Proficiency with C# and Python in a production environment. Experience working in a low-latency … high-performance, or real-time systems environment preferred. Strong problem-solving skills and the ability to work in a fast-paced, team-oriented environment. Excellent communication and collaboration abilities. Preferred Experience: Prior exposure to financial markets or trading systems. Experience with multi-threaded programming and performance optimization. Familiarity with Linux-based development and scripting. Why Join Geneva? Competitive More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Vice President, Reliability & Production Engineering (London)

London, UK
MUFG
business forward. NUMBER OF DIRECT REPORTS 0 MAIN PURPOSE OF THE ROLE Ensure the stability and reliability of market systems to support business operations. Drive continuous improvement in system performance and user satisfaction. Provide expert support to system users, ensuring seamless operation of market-related applications. KEY RESPONSIBILITIES Monitor and maintain production environments to ensure system stability. Lead the … Collaborate with development teams to implement system enhancements and improvements. Document and maintain operational procedures to ensure consistent and effective system support practices. Conduct regular system health checks and performance tuning to optimize efficiency. WORK EXPERIENCE Essential: Minimum of 5 years of experience in production support or reliability engineering within financial markets or related industries. Leading problem determination … production support role. Familiarity with regulatory requirements and compliance in financial markets. SKILLS AND EXPERIENCE Functional/Technical Competencies: Essential Strong technical skills in system monitoring, incident management, and performance tuning. Excellent problem-solving abilities and the capacity to lead incident resolution efforts. Effective communication skills to provide technical support and guidance to system users. Ability to document and More ❯
Employment Type: Full-time
Posted:

Senior C#.Net Developer

England, United Kingdom
Hybrid / WFH Options
Apache Associates
modern architecture, and cutting-edge technology? We're looking for a Senior Developer to join our growing team and play a key role in the development of scalable, high-performance applications using C# and the .NET ecosystem. Key Responsibilities: Design, develop, and maintain enterprise-level applications using C# and .NET Core . Collaborate with cross-functional teams to architect … robust solutions using Blazor , MAUI , and React . Build and optimize .NET Core APIs to ensure high performance and security. Integrate and manage search capabilities using ElasticSearch and the NEST client . Lead code reviews, mentor junior developers, and contribute to improving best practices. You'll Need: 5+ years of experience with C#/.NET development. Proficiency in Blazor … ElasticSearch and the NEST client . Familiarity with Agile methodologies and CI/CD workflows. Nice to Have: Cloud experience (Azure or AWS). Microservices architecture knowledge. Background in performance tuning and debugging complex systems. The company offers a Hybrid work environment, 3 days in the office and 2 from home. Apply Upload Your CV Please check to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior C#.Net Developer

Sheffield, Yorkshire, United Kingdom
Hybrid / WFH Options
Apache Associates
modern architecture, and cutting-edge technology? We're looking for a Senior Developer to join our growing team and play a key role in the development of scalable, high-performance applications using C# and the .NET ecosystem. Key Responsibilities: Design, develop, and maintain enterprise-level applications using C# and .NET Core . Collaborate with cross-functional teams to architect … robust solutions using Blazor , MAUI , and React . Build and optimize .NET Core APIs to ensure high performance and security. Integrate and manage search capabilities using ElasticSearch and the NEST client . Lead code reviews, mentor junior developers, and contribute to improving best practices. You'll Need: 5+ years of experience with C#/.NET development. Proficiency in Blazor … ElasticSearch and the NEST client . Familiarity with Agile methodologies and CI/CD workflows. Nice to Have: Cloud experience (Azure or AWS). Microservices architecture knowledge. Background in performance tuning and debugging complex systems. The company offers a Hybrid work environment, 3 days in the office and 2 from home. Apply Upload Your CV Please check to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Infrastructure Engineer - 11143AS

London, United Kingdom
Hybrid / WFH Options
Proactive.IT Appointments Limited
Key Responsibilities: You'll investigate and resolve complex technical issues across infrastructure components, ensuring rapid service restoration and minimal disruption. You'll manage system maintenance, patching, access controls, and performance tuning, while ensuring compliance with security policies. You'll also support disaster recovery planning, system upgrades, and integration of IT systems following business acquisitions. Your role will include … managing monitoring tools, analysing performance data, and documenting processes to drive continuous improvement. You'll collaborate with internal teams and vendors, occasionally stepping into a technical lead role to deliver secure, scalable solutions. Technical Skills Required: Microsoft 365 (Entra ID, Intune, SharePoint, Exchange Online) Microsoft Azure (AVD, VMs, Networking, Storage) Security tools (Defender, Sentinel, Purview, Mimecast) Backup & DR (Veeam More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Infrastructure Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Proactive Appointments
Key Responsibilities: You’ll investigate and resolve complex technical issues across infrastructure components, ensuring rapid service restoration and minimal disruption. You’ll manage system maintenance, patching, access controls, and performance tuning, while ensuring compliance with security policies. You’ll also support disaster recovery planning, system upgrades, and integration of IT systems following business acquisitions. Your role will include … managing monitoring tools, analysing performance data, and documenting processes to drive continuous improvement. You’ll collaborate with internal teams and vendors, occasionally stepping into a technical lead role to deliver secure, scalable solutions. Technical Skills Required: Microsoft 365 (Entra ID, Intune, SharePoint, Exchange Online) Microsoft Azure (AVD, VMs, Networking, Storage) Security tools (Defender, Sentinel, Purview, Mimecast) Backup & DR (Veeam More ❯
Employment Type: Full-Time
Salary: £45,000 - £50,000 per annum
Posted:

Quant Systems Developer - London

London, United Kingdom
AP Executive
London is seeking a technology enthusiast to join its Quant team. This role involves hands-on technical work within an engineering team responsible for developing and maintaining a high-performance trading and research infrastructure. Responsibilities include contributing to the design and maintenance of the firm's extensive compute infrastructure, including operating system platforms, software development tooling, high-performance … for research and trading. The role also involves engaging in various technology initiatives such as workload scheduling, fleet management, clustered file system design and operation, SDLC, kernel and network performance tuning for low-latency and high-throughput applications, and metrics collection and data mining analysis. The ideal candidate will demonstrate an interest in understanding how technology operates. A More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Corda & Solana Engineer

London, United Kingdom
R Three
the Solana public blockchain. The team is focussed on building out both: -The next evolution of the Java Virtual Machine-based Corda DLT platform, designed to deliver greater value, performance, and resilience for both new and existing financial enterprises. -Integration of Corda with the high-performance Solana public blockchain to enable interoperability both among multiple Corda private networks … programming language. Corda knowledge/experience, or another DLT or Blockchain besides Solana. Experience with ZK Compression. Experience of message brokers and relational databases. Extensive JVM knowledge (garbage collection, performance tuning, and memory profiling). Familiarity with Kubernetes concepts & Kubernetes networking. Kotlin experience - but we regularly hire Java engineers with no Kotlin experience. PKI and other cryptographic knowledge. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer - HRT/Patching

Manchester, Lancashire, United Kingdom
eBay Inc
drive the implementation of observability practices to monitor, troubleshoot, and ensure the reliability of our infrastructure at scale. What you will accomplish: Design, develop, and maintain a stable, high-performance Linux operating system optimized for the Kubernetes platform, along with the supporting cluster management system. Contribute to kernel development and performance tuning to enhance system scalability, reliability … and efficiency; stay up to date with the latest advancements in kernel and security technologies. Build high-performance tools and services using Go and Python to support infrastructure automation and diagnostics. Develop BPF-based tools for in-depth OS diagnostics and implement Cilium/BPF-based network segmentation and service mesh solutions. Collaborate with cross-functional teams to validate … adopt, and integrate optimized Linux OS distributions across diverse infrastructure environments. Implement robust observability frameworks to monitor system health, ensure performance, and support proactive issue resolution at scale. What you will bring: Bachelor's or Master's degree in Computer Science, Engineering, or a related field. Minimum of 5 years of hands-on experience with Linux systems, including a More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Data Analyst

London, United Kingdom
Hybrid / WFH Options
Publicis Groupe UK
on data discovery, pipeline requirements, and feature development Act as a trusted advisor to stakeholders, translating data into clear narratives, recommendations, and measurable outcomes Ensure data quality, governance, and performance optimization across all analytics outputs Stay current on emerging analytics tools and cloud technologies, and introduce new approaches to improve efficiency and capability Qualifications Experience Relevant experience in analytics … working with large-scale datasets in BigQuery, Snowflake, or Redshift Strong Python skills for analytics, automation, and data manipulation (pandas, matplotlib, seaborn) Strong understanding of data modeling, governance, and performance tuning in cloud-based environments Proven ability to lead teams, define strategy, and influence cross-functional stakeholders across technical and non-technical groups Strong business acumen and ability More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Systems and Integration Architect - Application Integration Services

Oxford, Oxfordshire, United Kingdom
Ellison Institute, LLC
consultants, and technical teams to ensure seamless, scalable, and secure system interoperability. Key Responsibilities: Architect and lead the end-to-end integration strategy for Oracle Fusion Cloud applications, ensuring performance, scalability, and security. Design and implement integration solutions between Oracle Cloud (ERP, HCM, SCM, etc.) and other enterprise systems (on-premise, third-party, and cloud-based). Provide technical … best practices and compliance with enterprise architecture standards. Collaborate with stakeholders to gather and translate business requirements into scalable integration solutions. Oversee technical delivery, including solution design, code review, performance tuning, and deployment strategy. Act as a trusted advisor to leadership on Oracle Cloud architecture, integration best practices, and emerging technologies. Guide and mentor junior architects, developers, and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior PHP Developer

London, United Kingdom
Hybrid / WFH Options
Hewittmatthews
team. Design, build, and maintain efficient, reusable, and reliable Laravel code for our web application. Develop all server-side logic, definition, and maintenance of the central database, ensuring high performance and responsiveness to requests from the front-end. Integrate the web application with other systems by creating well-structured API endpoints for a native app. Collaborate with front-end … with object relational mappers (ORMs) Experience with AWS Experience with Git or other version control systems. Experience developing with CRM systems such as Hubspot Strong problem solving, debugging, and performance tuning skills. Excellent collaboration and communication skills Proactive and able to work with minimal supervision Our ideal candidate may also have: Familiarity with Agile development methodologies At Hewitt More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Python AI Agent Engineer

London, United Kingdom
Hybrid / WFH Options
Intropic
and non-technical audience Independent and self-driven learner, able to step outside of their area of expertise Python; we work with asyncio, SQLAlchemy, FastAPI, Pydantic, NumPy, Pandas SQL; performance tuning, schema design, monitoring in production, we mainly work with PostgreSQL Experience with transformer LLMs - attractive, nice to have Cloud (AWS) deployments and monitoring, basic networking and security … individuals with experience taking a new product to market, eager to contribute to a dynamic and growing team. We offer a competitive salary, along with employee stock options and performance-based bonus. Our benefits include private health insurance and a dedicated learning budget to support your professional development. This role is on-site at our offices in 30 Churchill More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Quant Systems Developer - London

London, United Kingdom
AP Technical Recruitment
technology enthusiast to join its Quant team. This role involves hands-on technical knowledge within an engineering team who are responsible for the development/maintenance of a high-performance trading and research infrastructure. In the role you will contribute to the design and maintenance of the firm's extensive compute infrastructure. This encompasses operating system platforms, software development … tooling, high-performance computing, networking, and storage for research and trading. You will engage in a wide range of technology initiatives, examples include workload scheduling design and implementation. Fleet management, clustered file system design and operation, software design and life cycle (SDLC), kernel and network performance tuning for low-latency and high-throughput applications, and metrics collection More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

SWE - Compiler Engineering Manager, Development Technologies

London, United Kingdom
Apple Inc
and foster collaborations with other teams within the organization and across Apple. Minimum Qualifications Excellent organizational skills and adaptive approach to problem solving Extensive experience in compiler optimizations and performance tuning technologies Knowledge of CPU hardware architectures, capabilities and performance characteristics Excellent software design, problem solving, debugging, and performance analysis ability Preferred Qualifications Passion for mentoring More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Staff Software Engineer (Fleet)

Hart, Yorkshire, United Kingdom
DataRobot, Inc
how we build, test, and operate infrastructure software. This is not a "stay in your swim lane" role. You'll question assumptions, challenge complexity, and help drive a high-performance culture. You'll be trusted to bring clarity where there's ambiguity, and momentum where there's inertia.This role includes participation in an on-call rotation -we believe in … Cilium, Kyverno, KEDA, Gateway API, OPA, or similar technologies. Experience building and running multi-tenant SaaS platforms . Exposure to on-prem delivery models or regulated environments. Experience with performance tuning for large-scale data or compute workloads. Past success driving infrastructure transformation or decomposing legacy systems. Experience working with GPU infrastructure for training and inference. The talent More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior React Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Rise Technical Recruitment Limited
With a strong culture rooted in integrity, creativity, and technical excellence, they've become a trusted partner across global industries.In this role you'll take ownership of the reliability, performance, and deployment of React-based user interfaces used by clients around the world. You'll work very closely with SRE, DevOps, and Product Teams, and drive front-end observability … scale.The ideal candidate will be someone who combines deep React expertise with infrastructure awareness. Candidates must be comfortable working with Kubernetes, AWS, CI/CD tooling, and browser-level performance monitoring.This is a fantastic opportunity to play a leading role in building robust, scalable, and reliable front-end systems in a company that invests in both people and technology. … The Role: *Owning React application reliability, observability, and performance in production environments*Designing and managing CI/CD Pipelines for automation testing, canary deployments, and rollbacks*Optimising front-end delivery via CDN configuration, caching strategies, and real user monitoring (Datadog/Sentry)*Collaborate with platform and SRE teams to ensure seamless delivery of React applications on Kubernetes and AWS More ❯
Employment Type: Full-Time
Salary: £80,000 - £90,000 per annum, Inc benefits
Posted:

Senior React Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Rise Technical Recruitment
a strong culture rooted in integrity, creativity, and technical excellence, they've become a trusted partner across global industries. In this role you'll take ownership of the reliability, performance, and deployment of React-based user interfaces used by clients around the world. You'll work very closely with SRE, DevOps, and Product Teams, and drive front-end observability … The ideal candidate will be someone who combines deep React expertise with infrastructure awareness. Candidates must be comfortable working with Kubernetes, AWS, CI/CD tooling, and browser-level performance monitoring. This is a fantastic opportunity to play a leading role in building robust, scalable, and reliable front-end systems in a company that invests in both people and … technology. The Role: *Owning React application reliability, observability, and performance in production environments *Designing and managing CI/CD Pipelines for automation testing, canary deployments, and rollbacks *Optimising front-end delivery via CDN configuration, caching strategies, and real user monitoring (Datadog/Sentry) *Collaborate with platform and SRE teams to ensure seamless delivery of React applications on Kubernetes and More ❯
Employment Type: Permanent
Salary: £80000 - £90000/annum 38 Days Holiday, Healthcare, Pension
Posted:

SQL Server DBA (Azure)

Manchester, North West, United Kingdom
Adria Solutions
SQL Server DBA with Azure experience. What were looking for: 3+ years' experience in SQL Serverwith hands-on Azure SQL Database administration Strong T-SQL (queries, stored procedures, indexing, performance tuning) Proven experience maintaining, optimising, and scaling production databases Knowledge of Azure Data Factory, Synapse Analytics is a plus Track record of working in or supporting SaaS or More ❯
Employment Type: Permanent
Salary: £70,000
Posted:

Azure Data Engineer

Leeds, West Yorkshire, United Kingdom
Hybrid / WFH Options
Tenth Revolution Group
engineers, and business stakeholders to deliver clean, reliable data. Supporting the migration of legacy systems to a modern Azure-based architecture Ensuring best practices in data governance, security, and performance tuning Requirements: Proven experience with Azure Data Services (ADF, Synapse, Data Lake) Strong hands-on experience with Databricks (including PySpark or SQL) Solid SQL skills and understanding of More ❯
Employment Type: Permanent
Salary: £55000 - £65000/annum
Posted:

SAP BODS Installation Expert

City of London, London, United Kingdom
Infoplus Technologies UK Limited
with infrastructure teams to ensure compatibility of hardware, operating systems, and databases for SAP BODS installations. • Troubleshoot installation issues and provide resolutions to ensure system stability and functionality. • Conduct performance tuning and optimization of the SAP BODS environment for maximum efficiency. • Implement security protocols and access controls for SAP BODS systems. • Provide documentation for installation procedures, configurations, and More ❯
Posted:

SAP BODS Installation Expert

London Area, United Kingdom
Infoplus Technologies UK Limited
with infrastructure teams to ensure compatibility of hardware, operating systems, and databases for SAP BODS installations. • Troubleshoot installation issues and provide resolutions to ensure system stability and functionality. • Conduct performance tuning and optimization of the SAP BODS environment for maximum efficiency. • Implement security protocols and access controls for SAP BODS systems. • Provide documentation for installation procedures, configurations, and More ❯
Posted:

Data Analyst, Finance Remote - United States

London, United Kingdom
Hybrid / WFH Options
vercel.com
years in analytics or data science roles focused on Finance (SaaS or usage based preferred). Deep hands on expertise withdbt(production grade models, testing, CI/CD) andSnowflake(performance tuning, RBAC, cost management). Advanced SQL + Python (pandas, scipy/statsmodels, or Prophet) for forecasting, scenario modeling, and statistical analysis. Strong grasp of SaaS/cloudunit More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Data Engineer

London, South East, England, United Kingdom
Holland & Barrett International Limited
Data Solutions – Design, build, and operate cloud-native, high-throughput data pipelines and services, ensuring availability, scalability, cost-efficiency, and security. Champion Engineering Excellence – Enforce clean code, rigorous testing, performance tuning, and secure-by-design standards; continuously improve team practices. Drive Delivery – Elicit requirements, lead decision-making sessions, and coordinate with platform, infrastructure, and security teams to deliver More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

SC Cleared DevOps Engineer - Remote/London

London, United Kingdom
Hybrid / WFH Options
Square One Resources
and manage identity and access controls using Azure AD, RBAC, and least-privilege principles. Integrate observability and monitoring solutions (e.g., Azure Monitor, Log Analytics) to support operational visibility and performance tuning. Collaborate with security and compliance teams to ensure alignment with governance, policy-as-code, and regulatory standards. Design and support hybrid network architectures, including VPNs, ExpressRoute, NSGs, vWAN More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Performance Tuning
England
10th Percentile
£49,500
25th Percentile
£56,250
Median
£70,000
75th Percentile
£88,125
90th Percentile
£100,000