526 to 550 of 632 Performance Optimisation Jobs in England

Senior Frontend Engineer (UK)

Hiring Organisation
Pigment
Location
London, United Kingdom
Salary
£ 80 K
LondonTech – Engineering/Full Time/HybridJoin Pigment: Transforming Business Planning and Performance with AI Founded in 2019, Pigment stands out as one of the fastest-growing SaaS companies globally, redefining business planning and performance with our AI-powered platform. We empower organizations across diverse industries, including Consumer … make a significant impact and tackle ambitious challenges. Together, we pursue excellence with a collaborative spirit, continuously raising the bar to ensure strong performance and a proactive approach while fostering an environment of humility. If you are passionate about innovation and wish to collaborate with some of the brightest ...

Senior Product Marketing Manager - B2C

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Ledger Wallet app as one unified, secure trading solution. You are a cross-functional influencer and GTM architect. While dedicated channel owners (CRM, Performance, Social, Web) manage tactical delivery, your mandate is to define the target audience, build the value propositions, and orchestrate the cohesive frameworks and "strategic guardrails … Design macro-level blueprints for customer acquisition and engagement. Establish the high-level framework for maximizing long-term Lifetime Value (LTV), guiding CRM and performance teams on targeted retention and "always-on" campaigns. 3. Market Intelligence & Performance Optimization Insights & AI Workflows: Synthesize market research and competitor analysis ...

Senior Network Reliability Engineer

Hiring Organisation
Jobleads-UK
Location
Wimbledon, England, United Kingdom
Inclusive Employers Standard, we're building a modern, technology lead business and we're looking for a Senior Network Reliability Engineer to drive the performance, reliability and security of our hybrid, enterprise network estate. About the Role This is a hands-on senior engineering position with responsibility … performance, reliability and security of our hybrid network environment across Azure, security, remote access, load balancing and branch connectivity. You'll lead the resolution of complex network challenges, drive automation and observability, and support our ongoing transition to a more Azure-native architecture. Key responsibilities Own the reliability, performance ...

Braze CRM Lifecycle Architect — Remote UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Partner with Analytics, MarTech, and Engineering teams to diagnose integration and data flow issues. Proactively identify risks and implement scalable solutions. Drive experimentation and performance optimization Design A/B tests with clear hypotheses and measurable success criteria. Analyze performance data to improve audience targeting, customer journeys ...

Senior Software Engineer C++

Hiring Organisation
Oni
Location
Oxford, Oxfordshire, United Kingdom
Salary
£ 70 K
Role at ONIBuild solutions for scientists to automate their acquisition and analysis.Lead delivery of high-quality enterprise-scale software solutions.Design, implement, and maintain high-performance C++ applications.Devise, implement, and test innovative software solutions to address challenges in nanoscale microscopy and deliver value to customers. Experience with image processing, image … Computer Science, Engineering, Bioinformatics, or a related field.Minimum of 5 years' experience as a Software Engineer or in a similar role, developing high-performance software applications in C++.Proficient in modern C++ (C++14/17/20) and low-level programming.Solid understanding of multi-threaded programming, memory management, and performance ...

IT Business Systems Analyst CMES

Hiring Organisation
Ixceed Solutions Ltd
Location
Darlington, County Durham, North East, United Kingdom
Employment Type
Permanent
manufacturing system projects, process improvements, and digital transformation initiatives. The role will partner with manufacturing and IT teams to deliver solutions that improve plant performance, efficiency, quality, and user experience. Key Responsibilities Lead MES projects, enhancements, upgrades, and process improvement initiatives. Partner with manufacturing teams to identify challenges … Technical Skills MES: Ignition, Opcenter, Process Builder, Global Process Manager, Machine Integrator, MES Portal. Databases: Oracle SQL, Microsoft SQL Server; complex SQL development and performance optimization. Development: JavaScript, HTML, CSS, web services. Configuration: Central Configuration, CSS, Configuration Manager. Experience with MESERP integration and enterprise/web-based applications. Strong ...

Senior Platform Software Engineer

Hiring Organisation
Oracle Corporation
Location
Bristol, Gloucestershire, United Kingdom
Salary
£ 70 K
developer tooling. Performs deep debugging across a bounded set of distributed services, driving fixes that protect downstream consumers and upgrade paths. Analyzes usage, performance, and error budgets for specific platform surfaces; implements targeted resilience and capacity optimizations. Authors and curates team-scoped documentation, samples, and adoption guidance.Only Oracle brings … error logging, monitoring, and observability for effective debugging, ensuring review by manager and/or lead throughout the process.Exercises judgment and discretion to conduct performance profiling and optimization of coding.Troubleshoots and resolves moderately complex issues related to application programming interface (API) functionality and integration.Implements moderately complex API versioning, lifecycle ...

Lead Site Reliability Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
multi‐year convergence and modernization journey. You will play a pivotal role in shaping our next‐generation SRE patterns, reliability frameworks, observability strategy, and performance engineering capabilities across globally distributed systems. This role is ideal for an SRE specialist who thrives in fast‐paced front‐office environments, enjoys direct … software engineering team, participating in daily standups and design discussions. Contribute directly to the codebase (Java, Kotlin, Python) to implement reliability improvements, performance optimisations, bug fixes, and automation. Lead the design and rollout of modern SRE patterns across trading systems, including automated remediation, self‐healing workflows, and resilience engineering. ...

Snowflake Data Engineer

Hiring Organisation
Required IT
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£600.00 - £700.00 per day
maintain production-grade data transformation workflows using robust development, testing, version control and documentation practices. Develop and optimise Snowflake environments, including warehouse configuration, query performance and cost efficiency. Develop and manage data pipelines using Azure Data Factory (ADF) to ingest data from a range of source systems. Automate, monitor … aligned with the organisation's wider data strategy. About You Essential Experience Strong hands-on experience with Snowflake is essential , including architecture, administration and performance optimisation. Strong experience in general data analysis, data architecture, data dictionaries, data taxonomy and enterprise data models. Proven experience designing and implementing enterprise data ...

Lead Salesforce Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
observability while unifying design patterns across platforms. Drive high standards for technical quality across Apex, Lightning Web Components (LWC), data architecture, platform security, performance optimization, and DevOps. Proactively identify, prioritize, and remediate technical debt to ensure long-term platform health. Target Technical Landscape The successful candidate will provide architectural … throughput integration patterns, and resilient cross-platform data flows. Hands-On Technical Depth: Comprehensive understanding of platform mechanics—data modeling, sharing/security models, performance tuning, Apex, LWC, Flows, and declarative vs. programmatic best practices. Delivery & Governance: Solid background establishing DevOps, CI/CD, and SDLC governance frameworks, combined ...

Senior Ruby Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
What You’ll Do Design and implement scalable, high-performance backend systems to power our e-commerce experience. Build and maintain interfaces that support our frontend, mobile, and third-party integrations. Be very experienced working with pull, push models for data parity between third parties and our systems around … card charge and concepts such as state machines. Expert experience with PostgreSQL, including complex joins and reporting queries, and familiarity with data modeling and performance optimization. Familiarity with cloud infrastructure (e.g., AWS, ECS, CodeBuild) and containerization (Docker,). Strong understanding of system design, data structures, and algorithmic principles. Comfortable ...

Senior Software Product Strategy & Product Marketing Lead — Data Center AI and Personal AI - Qu[...]

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
model serving, orchestration, workload management, developer tools, runtime environments, compilers, SDKs, containerization, Kubernetes integration, observability, benchmarking, security, and deployment workflows. Develop European messaging around performance, power efficiency, total cost of ownership, software maturity, deployment flexibility, openness, sovereignty, and integration with existing AI infrastructure. Support product launches, customer briefings, executive … placement. Experience with AI accelerator software and optimization, including model serving, compilers, runtime frameworks, memory‐aware serving, KV cache optimization, multi‐model serving, and performance optimization across latency, throughput, and power. Understanding of AI infrastructure software stack, including Linux, containers, Kubernetes, and cloud‐native deployment patterns, observability frameworks (e.g. ...

Wastewater Treatment Performance Engineer

Hiring Organisation
United Utilities
Location
Blackburn, Lancashire, United Kingdom
Salary
£ 55 K
enabling smarter, end-to-end operational control.As part of an expanding Operational Intelligence team in Blackburn, we are looking for a Wastewater Treatment Performance Engineer who is driven to use data to stay ahead of issues, not react to them. Reporting to the Optimisation Manager, this … newly created role driven by growth, offering the chance to shape smarter, more proactive operations.You will work alongside a small team of Performance Engineers, each responsible for a defined geographical area, and partner closely with highly experienced treatment maintenance teams. Together, you will turn data into insight and insight ...

Senior MySQL Database Administrator (DBA)

Hiring Organisation
Aristocrat Technologies
Location
London, United Kingdom
Salary
£ 80 K
significant impact within an ambitious and innovative organization.This role owns the end-to-end lifecycle of database platforms - from architecture and design, through performance optimization and automation, to incident response and long-term scalability planning. The successful candidate will act as a technical authority for MySQL, partnering closely with … ensure our databases can safely scale to meet high-traffic, data-intensive workloads.Key ResponsibilitiesDatabase Architecture & Scalability· Own and evolve the architecture of high-performance, highly available MySQL platforms supporting production game workloads (>50k QPS).· Design database solutions that support long-term data growth, fault tolerance, and operational simplicity. ...

Splunk Administrator- 12 Month Contract - Hybrid in Manchester - Inside IR35

Hiring Organisation
Hamilton Barnes
Location
Manchester, UK
Employment Type
Full-time
Inside IR35 Role Overview An experienced Splunk Administrator within a large financial services environment. The position is responsible for the day-to-day administration, optimisation, and production support of the Splunk platform - including Splunk Cloud and ITSI - ensuring platform reliability, performance, and compliance across a complex, enterprise-scale … environment. Key Responsibilities Maintain and administer the Splunk platform including Splunk Cloud and ITSI, managing data ingestion, indexing, parsing, and search performance optimisation. Provide production support across incident, problem, and change management activities, troubleshooting complex Splunk and infrastructure issues through to root cause analysis. Support platform upgrades, migrations, integrations ...

Senior C++ Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Position Overview We are looking for an experienced Senior C++ Software Engineer to design, develop, and maintain high-performance, reliable, and scalable software solutions. The ideal candidate has strong expertise in modern C++, software architecture, multithreading, performance optimization, and complex software systems. You will work closely with software … work independently in technically demanding environments. Key Responsibilities Design, develop, test, and maintain high-quality software using modern C++ Develop robust, scalable, and high-performance software components and applications Design and implement software architectures, modules, APIs, and interfaces Write clean, maintainable, efficient, and well-documented code Analyze existing systems ...

Senior C++ Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Design, develop, test, and maintain high-quality software using modern C++ Develop robust, scalable, and high-performance software components and applications Design and implement software architectures, modules, APIs, and interfaces Write clean, maintainable, efficient, and well-documented code Analyze existing systems and identify optimization and modernization opportunities Troubleshoot complex … technical issues and perform root cause analysis Optimize software for performance, memory usage, latency, stability, and reliability Develop and maintain multithreaded and concurrent applications Participate in architecture and technical design discussions Conduct code reviews and uphold software engineering standards and best practices Develop automated unit, integration, and system tests ...

Senior Software Engineer, Roku UI

Hiring Organisation
Roku
Location
Cambridge, Cambridgeshire, United Kingdom
Salary
£ 80 K
world while gaining meaningful experience across a variety of disciplines.About the teamAt Roku, the UI team builds the foundational frameworks, tooling, and high‐performance UI components that power experiences across millions of devices. We own the middleware and UI layers that enable smooth navigation, responsive interactions, rich animations … consistent developer workflows across the platform. Our work spans graphics rendering, layout and animation systems, performance optimization, and developer APIs that make it easy to create reliable, visually compelling applications at scale. We operate in a collaborative, high‐trust environment and partner closely with firmware, platform, and product teams ...

z/OS Mainframe Systems Programmer Lead

Hiring Organisation
NTT
Location
London, United Kingdom
Salary
£ 80 K
customization, and support of IBM and Broadcom (CA) products.Establish best practices, standards, and governance for mainframe infrastructure operations.Lead strategic initiatives involving platform modernization, automation, performance optimization, and capacity management.Drive root cause analysis and resolution of critical production incidents and platform-related problems.Act as the highest-level technical escalation point … Parallel Sysplex architecture, implementation, and administration.Extensive experience installing and supporting multiple IBM and Broadcom (CA) products.Deep understanding of z/OS system internals, performance tuning, and problem determination.Experience in enterprise change management and production support environments.Strong stakeholder management and leadership skills.Exceptional analytical, troubleshooting, and decision-making abilities.Excellent written, verbal ...

z/OS Mainframe Systems Programmer Lead

Hiring Organisation
NTT
Location
London, UK
Employment Type
Full-time
support of IBM and Broadcom (CA) products. Establish best practices, standards, and governance for mainframe infrastructure operations. Lead strategic initiatives involving platform modernization, automation, performance optimization, and capacity management. Drive root cause analysis and resolution of critical production incidents and platform-related problems. Act as the highest-level technical … Sysplex architecture, implementation, and administration. Extensive experience installing and supporting multiple IBM and Broadcom (CA) products. Deep understanding of z/OS system internals, performance tuning, and problem determination. Experience in enterprise change management and production support environments. Strong stakeholder management and leadership skills. Exceptional analytical, troubleshooting, and decision ...

AWS Developer

Hiring Organisation
17918
Location
London, United Kingdom
Inside IR35 1-2 Days per week in Berkshire We are seeking an experienced AWS Developer to design, build, and scale high performance, serverless, and event driven cloud solutions that power modern digital sales and service journeys across multi-channel platforms. Role Responsibilities Design and implement serverless-first … volume, event-driven integration pipelines connecting web, mobile, and partner channels with core backend systems and third-party APIs. Optimize Customer APIs and platform performance using caching, queuing, and monitoring strategies to protect underlying SaaS platforms from high-traffic loads. Promote software engineering best practices, event-driven design ...

Senior Software Development Engineer

Hiring Organisation
Expedia
Location
London, United Kingdom
Salary
£ 80 K
expectations and can be reused across multiple brands and platforms.Drive engineering excellence for the services you own by championing code quality, automated testing, observability, performance optimization, and simplification, taking technical responsibility for service health, scalability, resilience, and the ongoing reduction of technical debt and operational overhead.Provide technical mentorship … professional experience.8+ years of relevant professional software development experience with a strong focus on backend development, using Java or Kotlin, building and operating high‐performance, high‐throughput, highly available, and scalable services on cloud platforms.Proven experience owning one or more production services or components throughout their lifecycle, including system ...

Senior Software Development Engineer

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
reused across multiple brands and platforms. Drive engineering excellence for the services you own by championing code quality, automated testing, observability, performance optimization, and simplification, taking technical responsibility for service health, scalability, resilience, and the ongoing reduction of technical debt and operational overhead. Provide technical mentorship and guidance … experience. 8+ years of relevant professional software development experience with a strong focus on backend development, using Java or Kotlin, building and operating high-performance, high-throughput, highly available, and scalable services on cloud platforms. Proven experience owning one or more production services or components throughout their lifecycle, including ...

Infrastructure Engineer-Hyper-V

Hiring Organisation
NEEV LIMITED
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day 400 - 450 GBP/day InsideIR35
Required Technical Skills Site Reliability Engineering Strong understanding of Site Reliability Engineering principles and operational excellence. Experience with infrastructure reliability, service availability, resiliency, and performance optimization. Storage Space Direct a nd failover clustering technical expertise . (Storage Spaces Direct enables you to build highly available, software-defined storage … critical infrastructure environments with high availability requirements. Experience with incident management, problem management, RCA, and continuous operational improvement. Knowledge of monitoring, observability, alerting, and performance management. Microsoft Hyper-V (Core Expertise) Deep hands-on expertise in Microsoft Hyper-V architecture, deployment, administration, troubleshooting, and optimization. Extensive experience in operating ...

Global Banking Markets - Software Engineer, Data Platform - London - Vice President

Hiring Organisation
Goldman Sachs
Location
London, United Kingdom
Salary
£ 100 K
expect high degree of ownership, adaptability to embrace newer technologies and adherence to high degree of software quality.Responsibilities Design, build and maintain a high-performance, high-availability, high-capacity, scalable, near real-time yet nimble and adaptive platform for processing & persisting high volumes of business critical data and distribute … Regulatory & Compliance teams about new feature requests, explanation of existing features etc. Required Qualifications & Skill-SetsAbout 5-10 years of professional experience developing high performance, low latency systems ( sub-seconds )Ability to contribute & drive on complex industrial scale development of systems independentlyThorough knowledge of Java programming concepts Strong knowledge ...