251 to 275 of 367 Performance Tuning Jobs in England

Principal Data Solution Architect

Hiring Organisation
Jobleads-UK
Location
Leeds, England, United Kingdom
distributed data platforms that power Flutter’s applications across Gaming and Sportsbook. The role is focused on execution and solutions delivery – building scalable, high‐performance data platforms that enable real‐time and batch data processing at scale. Responsibilities Drive platform capability improvements – continuously enhance distributed data platforms using knowledge … communicate, and mitigate technology risks associated with distributed systems, data platform decisions, and system integrations. Ensure operational excellence – design solutions with security, cost optimisation, performance, regulatory requirements, and compliance in mind. Contribute to architecture governance – support architecture forums and governance processes, ensuring timely review and alignment across Flutter. Requirements ...

Lead Appian Development Consultant

Hiring Organisation
Valtech
Location
London, UK
continuous improvement. You coach and mentor consultants, helping develop capability while fostering a collaborative, high-performing engineering culture.You take ownership of application quality, performance and operational resilience; overseeing deployments, Appian Health Checks, application optimisation and production support activities.Beyond project delivery, you contribute to the growth of Valtech's Appian … integration standards for delivery teams to follow.Experience planning for scalability across data growth, user load and application extension over time, including proactive monitoring, application performance tuning, and CI/CD pipeline management across environments.Skilled at establishing effective ways of working across blended teams (e.g. client staff, third-party ...

Lead Appian Development Consultant

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
continuous improvement. You coach and mentor consultants, helping develop capability while fostering a collaborative, high‐performing engineering culture. You take ownership of application quality, performance and operational resilience; overseeing deployments, Appian Health Checks, application optimisation and production support activities. Beyond project delivery, you contribute to the growth of Valtech … standards for delivery teams to follow. Experience planning for scalability across data growth, user load and application extension over time, including proactive monitoring, application performance tuning, and CI/CD pipeline management across environments. Skilled at establishing effective ways of working across blended teams (e.g., client staff, third ...

Lead Appian Development Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
continuous improvement. You coach and mentor consultants, helping develop capability while fostering a collaborative, high‐performing engineering culture. You take ownership of application quality, performance and operational resilience; overseeing deployments, Appian Health Checks, application optimisation and production support activities. Beyond project delivery, you contribute to the growth of Valtech … standards for delivery teams to follow. Experience planning for scalability across data growth, user load and application extension over time, including proactive monitoring, application performance tuning, and CI/CD pipeline management across environments. Skilled at establishing effective ways of working across blended teams (e.g., client staff, third ...

Java API Developer, Officer

Hiring Organisation
State Street Bank
Location
London, UK
code reviews, and contribute to quality gates for each release.Support service troubleshooting and production readiness activities such as logging, monitoring, defect triage, and minor performance tuning with guidance from senior team members.Maintain clear technical documentation for APIs and integrations (e.g., endpoints, payloads, dependencies, and operational notes).Core/… documentation for API consumers.About State StreetAcross the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success.We are committed ...

Application Database Administrator

Hiring Organisation
Tech Mahindra
Location
Ipswich, England, United Kingdom
maintain IDMS schemas, subschemas, areas, sets, records, and database definitions. Support application development teams with database design, query optimization, and change implementation. Perform database performance tuning, monitoring, and capacity planning. Troubleshoot production issues, analyze root causes, and implement permanent fixes. Execute database reorganization, backup, recovery, and migration activities. … race, religion, color, sex, age, national origin or disability. All applicants will be evaluated solely on the basis of their ability, competence, and performance of the essential functions of their positions. ...

Senior Machine Learning Research Engineer - Research Engineering - MSR Cambridge

Hiring Organisation
Microsoft
Location
Cambridge, Cambridgeshire, UK
Research SciencesCompany: MicrosoftOverviewWe're seeking a hands-on ML Research Engineer to accelerate our Machine Intelligence research area. You work confidently across training, fine-tuning, inference and evaluation, at single- and multi-GPU scale, with strong data-pipeline, debugging and data-analysis skills. Working closely with researchers … Experience with modern ML model architectures in PyTorch. Proficient in collaborative software development in Python. Skills in data analysis and model evaluation. Experience of performance tuning in ML systems. Experience communicating in English, both written and spoken, including the skill to communicate technical results and justify assumptions ...

SDLC AI Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
including specialized coding agents , custom agents, and comprehensive Skills libraries , while ensuring all solutions adhere to rigorous engineering standards. Key Responsibilities: AI Agent Engineering & Tuning: Architect and maintain advanced AI agents for coding and automation within GitHub workflows . This includes the active building, performance tuning ...

Senior SharePoint Developer

Hiring Organisation
Larbey Evans
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £100,000 per annum
CSS3) Experience integrating SharePoint solutions using REST APIs, Microsoft Graph, C#, and .NET Hands-on management of on-prem SharePoint environments, including patching, upgrades, performance tuning, and troubleshooting Experience with Business Connectivity Services (BCS), External Content Types (ECTs), and SQL Server design and optimisation ...

Linux (RHEL) Engineer - SC Cleared

Hiring Organisation
VIQU Limited
Location
London, UK
virtualisation technologies (Linux under VMWare) Experience of working within the ITIL framework Experience of managing systems with RHN satellite Desirable Experience with JBoss Linux performance tuning skills Experience with Linux failover clustering Experience of Kerberos in regards to securing Linux applications and AD integration. Experience of Cisco ...

Senior Java Developer

Hiring Organisation
Synnovate
Location
London, United Kingdom
Employment Type
Permanent
Salary
£115000 - £125000/annum Hybrid Working
solutions to senior stakeholders Essential 6+ years' Java development experience at a Financial Services company Java 11+, Spring/Spring Boot, multi-threading, profiling, performance tuning, RMI Capital Markets knowledge or similar Experience in high-quality software practices: TDD, Agile, automated builds/deployments Strong knowledge ...

Elastic Consultant

Hiring Organisation
identifi Global Resources
Location
England, United Kingdom
projects Developing and optimising ES|QL queries Working with structured and unstructured data Delivering customer workshops and technical consultancy Solution architecture and technical design Performance tuning and optimisation Supporting projects throughout the full delivery lifecycle What We're Looking For We're interested in people who have experience ...

Senior Quantexa Data Engineer

Hiring Organisation
Lorien
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 - 85,000 Annual
technical authority and client interface, translating regulatory or business problems into scalable Quantexa architectures Leads teams in shaping data models, ER logic, and performance tuning across high-volume, enterprise datasets Mentors teams while influencing delivery standards, design patterns, and best practice within the workstream In order to secure ...

Integration Architect - SAP SAAS Products

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Datasphere, SAC, and S/4HANA Cloud integrations. • Strong security fundamentals (OAuth2, SAML, JWT, SCIM) and compliance awareness. • Hands-on with observability (Cloud ALM), performance tuning, and reliability engineering. • Experience with agile delivery, CI/CD (Git-based pipelines), and test automation for integrations. • Preferred Qualifications ...

Senior Developer

Hiring Organisation
Jobleads-UK
Location
Twyford, England, United Kingdom
third-party services such as payment gateways, email platforms, marketing tools and CRM or membership management systems. Strong SQL skills, including query optimisation, database performance tuning and maintaining data integrity across distributed or multi-tenant environments. Experience introducing or extending automated test coverage, including testing legacy systems before ...

Linux Technical Architect

Hiring Organisation
Peregrine
Location
Luton, Bedfordshire, South East, United Kingdom
Employment Type
Permanent
technologies (Linux under VMWare) Experience of working within the ITIL framework Experience of managing systems with RHN satellite Desirable Recent experience with JBoss Linux performance tuning skills Experience with Linux failover clustering Experience of Kerberos in regards to securing Linux applications and AD integration. Experience of Cisco ...

Lead Business Intelligence Analyst

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
within their sector and a growing commitment to data-driven decision making. Data sits at the heart of their strategy, supporting product development, commercial performance, and operational effectiveness. With a collaborative data team and investment in modern analytics platforms, they are building a scalable, governed, and future-focused data … frameworks, and reporting standards Acting as the escalation point for complex BI and reporting challenges Partnering with data engineering teams on architecture, modelling, and performance optimisation Contributing to a major cloud migration programme and helping modernise the wider analytics ecosystem Your Skills & Experience Strong commercial experience with Tableau, including ...

Hybrid Lead Backend Engineer – Real-Time Game Engine

Hiring Organisation
Jobleads-UK
Location
Sunderland, England, United Kingdom
scale and evolve the systems that power our games. Our Game Engine sits right at the heart of what we do. It’s where performance, player experience and regulatory compliance all come together. So if you enjoy solving complex problems, working on real‐time systems and having a real … time. What you’ll be doing Leading the design and development of core game engine systems and APIs Owning architectural decisions to ensure performance, scalability and compliance Getting stuck into hands‐on coding alongside your team Supporting and mentoring developers, helping them grow and do their best work Running ...

Lead DevOps Engineer

Hiring Organisation
Broadridge
Location
London, UK
monitoring, and operational readiness.Use infrastructure as code and configuration management tools such as Terraform, Chef, or Ansible to drive consistency and repeatability.Troubleshoot complex deployment, performance, networking, and infrastructure issues, with an emphasis on preventing recurring manual fixes through automation.Use AI-assisted engineering tools to accelerate development, automation, troubleshooting, documentation … ability to drive issues to resolution with technical and non-technical stakeholders. Systems & Automation Linux/Unix administration, operational support, troubleshooting, and performance tuning. Scripting/programming in Python, Bash, or similar. CI/CD pipeline experience with Jenkins, GitLab, or similar. Containerization and artifact publishing. Infrastructure as code ...

Lead DevOps Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
operational readiness.* Use infrastructure as code and configuration management tools such as Terraform, Chef, or Ansible to drive consistency and repeatability.* Troubleshoot complex deployment, performance, networking, and infrastructure issues, with an emphasis on preventing recurring manual fixes through automation.* Use AI-assisted engineering tools to accelerate development, automation, troubleshooting … ability to drive issues to resolution with technical and non-technical stakeholders.* **Systems & Automation** + Linux/Unix administration, operational support, troubleshooting, and performance tuning. + Scripting/programming in Python, Bash, or similar. + CI/CD pipeline experience with Jenkins, GitLab, or similar. + Containerization and artifact ...

Principal Virtualisation Engineer - Quant trading

Hiring Organisation
Quant Capital
Location
London, UK
Principal Virtualisation Engineer – Quant tradingLondon or New YorkTotal comp 300k+Quant Capital is partnering with a high-performance trading firm looking for a senior infrastructure engineer to take ownership of a core virtualisation and storage estate. This is a senior hands-on role for someone who can keep a live … driving change without disrupting critical systems.The role• Take ownership of the firm’s virtualisation and storage platforms in production• Maintain high standards across uptime, performance, capacity and operational stability• Assess new technologies and help shape long-term platform strategy• Run technical evaluations and proof-of-concept work across infrastructure ...

SQL Team Lead - Banking

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
project delivery responsibility. The successful candidate will manage a team of SQL and database professionals, ensuring the delivery of high-quality data solutions, database performance, reliability, and project outcomes that support business objectives. Key Responsibilities Lead, mentor, and develop the SQL/Database team. Manage workload allocation, priorities … performance. Act as the technical escalation point for database-related issues. Design, develop, and optimise SQL queries, stored procedures, and database solutions. Ensure database performance, integrity, security, and availability. Drive best practice in database development, administration, and governance. Partner with business stakeholders to gather requirements and deliver solutions. Manage ...

Senior Frontend Engineer, Scale

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
simplicity in system/component design Demonstrate clean communication across technical and non‐technical stakeholders Make pragmatic decisions on when to optimize for performance vs. velocity based on business impact Thrive in cross‐functional environments spanning Product, Design, Compliance, and Sales Design for scale, maintainability, and production excellence Preferred … qualifications: Fintech, payments, or regulated industry experience High‐scale performance tuning (100k+ QPS, large user bases, strict latency SLAs) Multi‐tenant SaaS or platform architecture background Proficiency with PostgreSQL, Redis, Kafka, or cloud platforms (AWS/GCP/Azure) Experience with OAuth2.0, API design, or developer documentation Cross ...

Software Engineer, Scale

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
simplicity in system/component design. Demonstrate clean communication across technical and non‐technical stakeholders. Make pragmatic decisions on when to optimize for performance vs. velocity based on business impact. Thrive in cross‐functional environments spanning Product, Design, Compliance, and Sales. Design for scale, maintainability, and production excellence. Bonus … have Fintech, payments, or regulated industry experience. High‐scale performance tuning (100k+ QPS, large user bases, strict latency SLAs). Multi‐tenant SaaS or platform architecture background. Proficiency with PostgreSQL, Redis, Kafka, or cloud platforms (AWS/GCP/Azure). Experience with OAuth2.0, API design, or developer ...

Linux SysAdmin Engineer - RHEL

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£385/day £385 p/d Inside IR35
provisioning and lifecycle activities using Red Hat Satellite. Create and maintain Shell/Bash scripts to automate operational tasks and system processes. Monitor system performance, troubleshoot issues and perform root cause analysis. Manage servers and platforms through the Linux command line interface. Support system upgrades, deployments and infrastructure improvements. … automation and configuration management. Experience managing virtualisation platforms, particularly KVM. Knowledge of Red Hat Satellite for patching, provisioning and lifecycle management. Strong troubleshooting and performance tuning skills across Linux environments. Experience supporting enterprise-scale production systems. Understanding of security, patch management and platform compliance requirements. Ability to work ...