Performance Optimisation Jobs in England

476 to 500 of 844 Performance Optimisation Jobs in England

Lead Software Developer

South East, United Kingdom
BGC Group
in-memory data management, data structures, and optimization techniques Understanding of NUMA architecture and NUMA-aware programming Proven track record developing client/server applications Skilled in troubleshooting and performance optimization Working knowledge of financial instruments including Fixed Income, Money Markets, and Derivatives Experience with kernel bypass network drivers (e.g., Solarflare) Technology Stack Linux Red Hat gcc and SunPro More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Software Developer

City of London, London, United Kingdom
BGC Group
in-memory data management, data structures, and optimization techniques Understanding of NUMA architecture and NUMA-aware programming Proven track record developing client/server applications Skilled in troubleshooting and performance optimization Working knowledge of financial instruments including Fixed Income, Money Markets, and Derivatives Experience with kernel bypass network drivers (e.g., Solarflare) Technology Stack Linux Red Hat gcc and SunPro More ❯
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Lead Software Developer

London Area, United Kingdom
BGC Group
in-memory data management, data structures, and optimization techniques Understanding of NUMA architecture and NUMA-aware programming Proven track record developing client/server applications Skilled in troubleshooting and performance optimization Working knowledge of financial instruments including Fixed Income, Money Markets, and Derivatives Experience with kernel bypass network drivers (e.g., Solarflare) Technology Stack Linux Red Hat gcc and SunPro More ❯
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Lead Software Developer

london, south east england, united kingdom
BGC Group
in-memory data management, data structures, and optimization techniques Understanding of NUMA architecture and NUMA-aware programming Proven track record developing client/server applications Skilled in troubleshooting and performance optimization Working knowledge of financial instruments including Fixed Income, Money Markets, and Derivatives Experience with kernel bypass network drivers (e.g., Solarflare) Technology Stack Linux Red Hat gcc and SunPro More ❯
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Lead Software Developer

slough, south east england, united kingdom
BGC Group
in-memory data management, data structures, and optimization techniques Understanding of NUMA architecture and NUMA-aware programming Proven track record developing client/server applications Skilled in troubleshooting and performance optimization Working knowledge of financial instruments including Fixed Income, Money Markets, and Derivatives Experience with kernel bypass network drivers (e.g., Solarflare) Technology Stack Linux Red Hat gcc and SunPro More ❯
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Lead Software Developer

london (city of london), south east england, united kingdom
BGC Group
in-memory data management, data structures, and optimization techniques Understanding of NUMA architecture and NUMA-aware programming Proven track record developing client/server applications Skilled in troubleshooting and performance optimization Working knowledge of financial instruments including Fixed Income, Money Markets, and Derivatives Experience with kernel bypass network drivers (e.g., Solarflare) Technology Stack Linux Red Hat gcc and SunPro More ❯
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Full Stack Engineer

Birmingham, England, United Kingdom
Searchability®
For 3+ years of experience building full-stack production applications (TypeScript, React, Next.js). Practical experience developing with LLMs (RAG, prompting, structured outputs, bias handling). Strong debugging and performance optimization skills (e.g. N+1 queries, job queues, memory tuning). Comfort working in a fast-paced, iterative environment. Bonus Points You’ve built and scaled a product end-to More ❯
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Solutions Architect (Ai)

Sheffield, England, United Kingdom
Wipro
GenAI & Agentic AI features in the mobile app. Collaborate across product, engineering, and compliance teams. Select and deploy LLMs, agentic frameworks, and orchestration tools. Lead prototyping, fine-tuning, and performance optimization. Ensure compliance with global banking regulations (GDPR, FCA, MAS). Mentor engineering teams on AI architecture and emerging tech What We’re Looking For: Deep expertise in GenAI More ❯
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Solutions Architect (Ai)

handsworth, yorkshire and the humber, united kingdom
Wipro
GenAI & Agentic AI features in the mobile app. Collaborate across product, engineering, and compliance teams. Select and deploy LLMs, agentic frameworks, and orchestration tools. Lead prototyping, fine-tuning, and performance optimization. Ensure compliance with global banking regulations (GDPR, FCA, MAS). Mentor engineering teams on AI architecture and emerging tech What We’re Looking For: Deep expertise in GenAI More ❯
Posted:

Software Engineer (Kotlin/Springboot)

Coventry, West Midlands, United Kingdom
Hybrid / WFH Options
Oscar Associates (UK) Limited
/Springboot) | 6 Month Contract (OIR35) | Remote We're looking for a Full Stack Software Engineer to play a key role in developing and evolving a suite of high-performance applications. You'll be working across the entire technology stack, from dynamic, user-friendly web interfaces to robust, scalable backend microservices - helping to deliver impactful releases in an agile … maintaining microservices architectures . Confident working with SQL databases (PostgreSQL, MySQL or equivalent). Understanding of RESTful API design and third-party integrations. Experience with testing frameworks , debugging, and performance optimisation. Familiarity with AWS, Docker/Kubernetes and CI/CD pipelines (desirable) Key Responsibilities: Develop, test, and maintain responsive web applications and microservices . Build and optimise SQL … schemas and queries for performance and scalability. Integrate APIs and third-party services into core systems. Collaborate with cross-functional teams to design scalable, maintainable software solutions . Participate in code reviews , contributing to team standards and documentation. Support production deployments, monitoring, and issue resolution. Continuously improve application performance, reliability, and user experience If this sounds like you More ❯
Employment Type: Contract, Work From Home
Rate: £250 - £290 per day
Posted:

Mid-Level Developer

Newcastle Upon Tyne, England, United Kingdom
Hybrid / WFH Options
ZeroLight
. Strong proficiency in Git version control. Experience working in an Agile/Scrum development environment, using Jira for task management and participating in sprint planning and standups. Quality, performance & accessibility Commitment to maintaining high code quality, standards, and documentation. Excellent problem-solving and debugging skills, with the ability to diagnose and resolve complex issues across the entire stack. … Experience of implementing unit, functional, and automated testing strategies. Understanding of common front-end performance optimization techniques (e.g. code-splitting, lazy loading). Awareness of web accessibility (a11y) best practices, including WCAG AA standards. Desirable skills Familiarity or experience with 3D rendering engines (e.g. Unreal or Unity) or interfacing with real-time 3D visualization services. Familiarity with cloud platforms More ❯
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AWS Platform Engineer

Leeds, England, United Kingdom
Hybrid / WFH Options
Fruition Group
automated deployment pipelines to ensure fast, reliable, and repeatable application delivery. Security & Compliance: Implement and enforce security best practices and ensure compliance with ISO27001:2022 and internal governance standards. Performance Monitoring: Maintain logging, monitoring, and alerting tools (e.g., CloudWatch, Prometheus, Grafana) to ensure system reliability and improve incident response. Collaboration & Knowledge Sharing: Work with engineers, product managers, and QA … observability tools like CloudWatch, Prometheus, or Grafana. Preferred: Experience mentoring junior team members and promoting DevOps practices. Familiarity with multi-cloud environments (e.g., GCP, Azure). Knowledge of database performance optimisation. Knowledge of AWS Cognito What's in it for me? Competitive salary and benefits package. 10% bonus Flexible remote working options. Opportunities for professional development and training. Exposure More ❯
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Identity Solution Engineer - DV Cleared

Corsham, Wiltshire, United Kingdom
CBSbutler Holdings Limited trading as CBSbutler
solution based on Microsoft Windows Server 2022 , Active Directory (AD) , and Active Directory Federation Services (ADFS) . Work from detailed solution designs to deploy and integrate identity components, ensuring performance, resilience, and compliance with security standards. Configure and maintain federation services with other on-premise identity providers, supporting secure authentication and trust relationships. Implement Single Sign-On (SSO) and … configuration guides and deployment procedures. Participate in testing, validation, and transition to operations , ensuring readiness for live support. Provide ongoing operational support, including incident resolution, change management, patching , and performance optimisation . Drive continuous improvement , identifying opportunities for automation, hardening, and enhanced monitoring of identity services. Essential Skills and Experience Previous experience working in a Defence or National More ❯
Employment Type: Contract
Rate: £500 - £580/day
Posted:

Design Engineer (IP/Ethernet)

London, United Kingdom
Newman Stewart Ltd
experience) London Our Client An established UK communications infrastructure provider is looking for a Design Engineer specialising in IP networking, Ethernet, and Wi-Fi systems. Known for delivering high-performance solutions in complex, large-scale environments, the company works across sectors to design, install, and commission advanced connectivity systems. Their approach combines technical precision, robust engineering practices, and a … focus on long-term reliability, enabling them to deliver projects that meet demanding performance and security standards. The Role The Design Engineer will be responsible for developing detailed technical designs, specifications, schedules, CAD drawings, and documentation for IP networking and wireless communication systems. The role covers the full lifecycle from site survey to commissioning, ensuring network infrastructure meets capacity … availability, and security requirements. Key responsibilities include network modelling, capacity planning, performance optimisation, and overseeing commissioning activities. The successful candidate will work closely with internal teams and external partners to deliver innovative, fit-for-purpose networking solutions for high-profile projects. The ideal candidate will have a strong track record in IP network design and delivery, with experience More ❯
Employment Type: Permanent
Posted:

Design Engineer (IP Networking, Ethernet & Wi-Fi specialist)

City of London, London, United Kingdom
Newman Stewart
experience) London Our Client An established UK communications infrastructure provider is looking for a Design Engineer specialising in IP networking, Ethernet, and Wi-Fi systems. Known for delivering high-performance solutions in complex, large-scale environments, the company works across sectors to design, install, and commission advanced connectivity systems. Their approach combines technical precision, robust engineering practices, and a … focus on long-term reliability, enabling them to deliver projects that meet demanding performance and security standards. The Role The Design Engineer will be responsible for developing detailed technical designs, specifications, schedules, CAD drawings, and documentation for IP networking and wireless communication systems. The role covers the full lifecycle from site survey to commissioning, ensuring network infrastructure meets capacity … availability, and security requirements. Key responsibilities include network modelling, capacity planning, performance optimisation, and overseeing commissioning activities. The successful candidate will work closely with internal teams and external partners to deliver innovative, fit-for-purpose networking solutions for high-profile projects. The ideal candidate will have a strong track record in IP network design and delivery, with experience More ❯
Posted:

Design Engineer (IP Networking, Ethernet & Wi-Fi specialist)

London Area, United Kingdom
Newman Stewart
experience) London Our Client An established UK communications infrastructure provider is looking for a Design Engineer specialising in IP networking, Ethernet, and Wi-Fi systems. Known for delivering high-performance solutions in complex, large-scale environments, the company works across sectors to design, install, and commission advanced connectivity systems. Their approach combines technical precision, robust engineering practices, and a … focus on long-term reliability, enabling them to deliver projects that meet demanding performance and security standards. The Role The Design Engineer will be responsible for developing detailed technical designs, specifications, schedules, CAD drawings, and documentation for IP networking and wireless communication systems. The role covers the full lifecycle from site survey to commissioning, ensuring network infrastructure meets capacity … availability, and security requirements. Key responsibilities include network modelling, capacity planning, performance optimisation, and overseeing commissioning activities. The successful candidate will work closely with internal teams and external partners to deliver innovative, fit-for-purpose networking solutions for high-profile projects. The ideal candidate will have a strong track record in IP network design and delivery, with experience More ❯
Posted:

iOS Developer

Brighton, Sussex, United Kingdom
ARC IT Recruitment
UIs with SwiftUI Applying SOLID principles to write scalable, maintainable code Working with RESTful APIs to integrate app functionality Ensuring apps perform smoothly through memory management, multi-threading, and performance optimisation Collaborating with cross-functional teams on exciting projects Nice to have: experience with Android development (Kotlin) Our client offers a vibrant office culture and you will have More ❯
Employment Type: Permanent
Salary: GBP 50,000 - 70,000 Annual
Posted:

iOS Developer

Brighton, East Sussex, South East, United Kingdom
ARC IT Recruitment Ltd
UIs with SwiftUI Applying SOLID principles to write scalable, maintainable code Working with RESTful APIs to integrate app functionality Ensuring apps perform smoothly through memory management, multi-threading, and performance optimisation Collaborating with cross-functional teams on exciting projects Nice to have: experience with Android development (Kotlin) Our client offers a vibrant office culture and you will have More ❯
Employment Type: Permanent
Salary: £70,000
Posted:

Senior Control System Engineer - EMS / SCADA

England, United Kingdom
Gazelle Global
integrate EMS applications for transmission and control systems. Work closely with utilities and system operators to define and refine functional specifications. Ensure smooth delivery through robust testing, tuning and performance optimisation . Support system improvements and contribute to continuous reliability and compliance initiatives. Participate in solution design, architecture reviews and ongoing enhancement of application frameworks. What you'll More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Identity Solution Engineer

Chippenham, Wiltshire, South West, United Kingdom
Xpertise recruitment
Access Control (RBAC) Collaborate with infrastructure, networking, and application teams to ensure seamless integration Maintain technical documentation and support operational transition Provide ongoing support, including incident resolution, patching, and performance optimisation Identify opportunities for automation and service hardening Essential Skills & Experience Proven background in identity engineering or infrastructure roles within secure environments Strong hands-on experience with: Windows More ❯
Employment Type: Contract
Rate: £500 - 550 per day
Posted:

Lead Environment Artist

London, United Kingdom
Hybrid / WFH Options
Companiongroup
working in Unreal Engine 4+, especially with stylised rendering pipelines. Background in both hard-surface and organic/foliage asset creation. Familiarity with parallax layering, shader-driven workflows, and performance optimisation for portable platforms. Benefits A competitive salary. A clear career progression path with opportunities for growth and recognition. Fully remote position, offering the flexibility to work from More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Software Engineer

Luton, England, United Kingdom
Hybrid / WFH Options
easyJet
practices while remaining hands-on with developing code where needed. Opportunities for innovation and value have already been identified across End-to-End Crew Planning, Operational Planning, Disruption Recovery, Optimisation and Automation & Efficiency — all of which are critical to improving operational resilience and crew experience. Product-led delivery is still relatively new to easyJet, and we’re seeking talented … Mentor and provide guidance to junior and mid-level engineers, fostering a culture of continuous learning and improvement. Own the technical delivery of key product features, ensuring they meet performance, security, and scalability requirements. Champion modern engineering practices (CI/CD, cloud-native, API-first, test automation) across the Airline Operations domain. Define and uphold coding standards and support … in everything that they do/Able to influence others to support the change by identifying the key stakeholders, explaining the rationale and the benefits of the change Business Performance – Understands the commercial reality of easyJet in terms of high volume, low cost and low margin/Keeps up to date with industry trends and considers this information for More ❯
Posted:

Principal Software Engineer

bedford, east anglia, united kingdom
Hybrid / WFH Options
easyJet
practices while remaining hands-on with developing code where needed. Opportunities for innovation and value have already been identified across End-to-End Crew Planning, Operational Planning, Disruption Recovery, Optimisation and Automation & Efficiency — all of which are critical to improving operational resilience and crew experience. Product-led delivery is still relatively new to easyJet, and we’re seeking talented … Mentor and provide guidance to junior and mid-level engineers, fostering a culture of continuous learning and improvement. Own the technical delivery of key product features, ensuring they meet performance, security, and scalability requirements. Champion modern engineering practices (CI/CD, cloud-native, API-first, test automation) across the Airline Operations domain. Define and uphold coding standards and support … in everything that they do/Able to influence others to support the change by identifying the key stakeholders, explaining the rationale and the benefits of the change Business Performance – Understands the commercial reality of easyJet in terms of high volume, low cost and low margin/Keeps up to date with industry trends and considers this information for More ❯
Posted:

Principal Software Engineer

luton, bedfordshire, east anglia, united kingdom
Hybrid / WFH Options
easyJet
practices while remaining hands-on with developing code where needed. Opportunities for innovation and value have already been identified across End-to-End Crew Planning, Operational Planning, Disruption Recovery, Optimisation and Automation & Efficiency — all of which are critical to improving operational resilience and crew experience. Product-led delivery is still relatively new to easyJet, and we’re seeking talented … Mentor and provide guidance to junior and mid-level engineers, fostering a culture of continuous learning and improvement. Own the technical delivery of key product features, ensuring they meet performance, security, and scalability requirements. Champion modern engineering practices (CI/CD, cloud-native, API-first, test automation) across the Airline Operations domain. Define and uphold coding standards and support … in everything that they do/Able to influence others to support the change by identifying the key stakeholders, explaining the rationale and the benefits of the change Business Performance – Understands the commercial reality of easyJet in terms of high volume, low cost and low margin/Keeps up to date with industry trends and considers this information for More ❯
Posted:

Principal Software Engineer

watford, hertfordshire, east anglia, united kingdom
Hybrid / WFH Options
easyJet
practices while remaining hands-on with developing code where needed. Opportunities for innovation and value have already been identified across End-to-End Crew Planning, Operational Planning, Disruption Recovery, Optimisation and Automation & Efficiency — all of which are critical to improving operational resilience and crew experience. Product-led delivery is still relatively new to easyJet, and we’re seeking talented … Mentor and provide guidance to junior and mid-level engineers, fostering a culture of continuous learning and improvement. Own the technical delivery of key product features, ensuring they meet performance, security, and scalability requirements. Champion modern engineering practices (CI/CD, cloud-native, API-first, test automation) across the Airline Operations domain. Define and uphold coding standards and support … in everything that they do/Able to influence others to support the change by identifying the key stakeholders, explaining the rationale and the benefits of the change Business Performance – Understands the commercial reality of easyJet in terms of high volume, low cost and low margin/Keeps up to date with industry trends and considers this information for More ❯
Posted:
Performance Optimisation
England
10th Percentile
£50,150
25th Percentile
£64,063
Median
£77,500
75th Percentile
£95,000
90th Percentile
£120,000