Performance Optimisation Jobs in the South East

1 to 25 of 298 Performance Optimisation Jobs in the South East

Graphics Performance Optimisation Engineer

Surrey, England, United Kingdom
IC Resources
An exciting opportunity for a Graphics Performance Optimisation Engineer has arisen with a global leader in high-end mobile devices in Surrey. As a Graphics Performance Optimisation Engineer, you will play a key role in enhancing the Android graphics stack, driving performance and power efficiency improvements for gaming and advanced visual experiences on the flagship … devices. You’ll contribute to the design, optimisation, and innovation of next-generation mobile graphics systems. This is a hybrid role, requiring you onsite 3 days a week. Experience of the Graphics Performance Optimisation Engineer includes: Strong proficiency in C++ and real-time embedded software development Experience with Graphics APIs, e.g. OpenGL, Vulkan, with a focus on … performance Experience with Machine Learning and how ML models are built Understand of Android OS at framework level (operating systems, threads, CPUs) If you are a Graphics Performance Optimisation Engineer pushing mobile graphics performance to new heights and shaping the future of gaming and AI-driven visual experiences, please apply today to learn more. More ❯
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Graphics Performance Optimisation Engineer

guildford, south east england, united kingdom
IC Resources
An exciting opportunity for a Graphics Performance Optimisation Engineer has arisen with a global leader in high-end mobile devices in Surrey. As a Graphics Performance Optimisation Engineer, you will play a key role in enhancing the Android graphics stack, driving performance and power efficiency improvements for gaming and advanced visual experiences on the flagship … devices. You’ll contribute to the design, optimisation, and innovation of next-generation mobile graphics systems. This is a hybrid role, requiring you onsite 3 days a week. Experience of the Graphics Performance Optimisation Engineer includes: Strong proficiency in C++ and real-time embedded software development Experience with Graphics APIs, e.g. OpenGL, Vulkan, with a focus on … performance Experience with Machine Learning and how ML models are built Understand of Android OS at framework level (operating systems, threads, CPUs) If you are a Graphics Performance Optimisation Engineer pushing mobile graphics performance to new heights and shaping the future of gaming and AI-driven visual experiences, please apply today to learn more. More ❯
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Software Architect

Sipson, Middlesex, United Kingdom
Wise Technical Ltd
Practices Conduct in-depth reviews of codebases to identify issues, inefficiencies, and potential security vulnerabilities. Provide recommendations on best practices, including coding standards, design patterns, and maintainability improvements. Support performance optimisation through refactoring and improved architecture. Support testing and QA process. 2. Cloud Infrastructure Support & Design Assist in designing, implementing, and optimising cloud infrastructure (predominantly Azure) Provide guidance … and provide remediation strategies. Ensure compliance with industry standards (ISO 27001, GDPR, SOC 2, etc.). Implement best practices for secure software development (OWASP, encryption, IAM, etc.). 6. Performance Optimisation & Scaling Analyse system bottlenecks and recommend performance tuning strategies. Support database optimisations, caching mechanisms, and load balancing strategies. Assist in designing auto-scaling solutions to handle More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

PHP Backend Developer

Fareham, Hampshire, South East, United Kingdom
Trafalgar Talent Ltd
PHP Developer, youll play a key part in shaping and improving the companys core web systems. Youll work on: User onboarding journeys Customer account portals APIs powering multiple applications Performance, optimisation and new feature development Solving complex technical challenges in collaboration with cross-functional teams Youll also contribute to best practices across the department, supporting continuous improvement and … PHP experience Strong understanding of cloud infrastructure (GCP ideal) Experience with MySQL and/or NoSQL databases TDD experience Excellent debugging and analytical skills Familiarity with profiling tools for performance optimisation Passion for technology and continuous learning Whats on Offer This company truly looks after its people. Alongside a modern office, fantastic team culture and regular events, youll … enjoy: Up to £60,000 basic salary (DOE) Up to 10% personal performance bonus 28 days holiday + extra for length of service Your birthday off Breakfast, lunch, drinks & snacks provided daily Company pension Private health & dental care Death in Service cover Health assessments Netflix & Spotify subscriptions Gym & Golf membership Food allowance at local venues Onsite gym, bar, hairdresser More ❯
Employment Type: Permanent
Salary: £60,000
Posted:

Senior Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Reed.co.uk
coding, testing, and deployment. Participate in code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast of emerging technologies and industry trends to inform strategic decisions. Skills and Experience Minimum 8 years of commercial software development experience, with … expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimisation, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms in a production environment. Strong understanding and practical application of Agile … solutions. Desirable Experience with containerisation and orchestration tools such as Docker and Kubernetes. Familiarity with event-driven architecture and message brokers (e.g., Kafka, RabbitMQ). Knowledge of front-end performance optimisation and accessibility standards. Exposure to machine learning pipelines or data engineering workflows. Prior experience working in startup environments or high-growth technology companies. Benefits Hybrid working as More ❯
Employment Type: Full-Time
Salary: £70,000 - £80,000 per annum
Posted:

Software Engineer

Milton Keynes, Bedfordshire, United Kingdom
backend and middleware development. Experience with React for building modern, scalable web applications. Experience using version control systems (e.g., GitHub or similar). Understanding of SEO principles and web performance optimisation. Excellent verbal and written communication skills. Strong eye for UX/UI design and website aesthetics. Collaborative attitude with the ability to build rapport across teams. Eagerness to More ❯
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Application Reliability and Performance Engineer

Reigate, England, United Kingdom
Hybrid / WFH Options
esure Group
exceptional service, to deliver personalised experiences that meet our customers ever-changing needs today and in the future. Role description We are currently recruiting for an Application Reliability and performance Engineer to join our Team. We are seeking a high motivated individual to bring a diverse skill set and proactive mindset to help ensure the stability, efficiency, and resilience … query language and PLSQL Agile principles and ways of working Excellent client-facing communication skills DevOps mindset Excellent problem-solving abilities Automation Core AWS Services & Infrastructure as Code Application Performance Optimisation What’s in it for you?: Competitive salary that reflects your skills, experience and potential. Discretionary bonus scheme that recognises your hard work and contributions to esure More ❯
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Application Reliability and Performance Engineer

guildford, south east england, united kingdom
Hybrid / WFH Options
esure Group
exceptional service, to deliver personalised experiences that meet our customers ever-changing needs today and in the future. Role description We are currently recruiting for an Application Reliability and performance Engineer to join our Team. We are seeking a high motivated individual to bring a diverse skill set and proactive mindset to help ensure the stability, efficiency, and resilience … query language and PLSQL Agile principles and ways of working Excellent client-facing communication skills DevOps mindset Excellent problem-solving abilities Automation Core AWS Services & Infrastructure as Code Application Performance Optimisation What’s in it for you?: Competitive salary that reflects your skills, experience and potential. Discretionary bonus scheme that recognises your hard work and contributions to esure More ❯
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Graduate Cloud Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Kingsgate Recruitment Ltd
platforms like AWS, Microsoft Azure, or Google Cloud Platform (GCP) Automation & Scripting : Use Infrastructure-as-Code (IaC) tools like Terraform or AWS CloudFormation to automate provisioning and deployments Monitoring & Performance : Help set up monitoring, alerting, and performance optimisation for cloud systems using tools like CloudWatch, Datadog, or Prometheus Security & Compliance : Support cloud security efforts, including identity and More ❯
Employment Type: Full-Time
Salary: £32,000 - £36,000 per annum
Posted:

Platform Support Engineer Java

Surrey, England, United Kingdom
Interquest
query language and PLSQL • Agile principles and ways of working • Excellent client-facing communication skills • DevOps mindset • Excellent problem-solving abilities • Automation • Core AWS Services & Infrastructure as Code • Application Performance Optimisation On top of the salary, you will receive wide range of benefits which include: 25days holiday (+ 8 flex days), PMI, a performance related bonus and More ❯
Employment Type: Full-Time
Salary: £50,000 - £60,000 per annum
Posted:

Platform Support Engineer (Java)

Crawley, West Sussex, South East, United Kingdom
Morson Edge
query language and PLSQL • Agile principles and ways of working • Excellent client-facing communication skills • DevOps mindset • Excellent problem-solving abilities • Automation • Core AWS Services & Infrastructure as Code • Application Performance Optimisation On top of the salary, you will receive wide range of benefits which include: 25days holiday (+ 8 flex days), PMI, a performance related bonus and More ❯
Employment Type: Permanent
Salary: £60,000
Posted:

Senior Software Engineer

london, south east england, united kingdom
Online Filings
Design and build RESTful API endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect and maintain integrations with external … Proven track record of leading development teams and managing large-scale projects. Database Expertise: In-depth experience with PostgreSQL/SQL, including design of complex schemas, writing queries and performance optimisation. Security & Performance: Deep understanding of application security best practices, performance tuning, and scalable architecture. Problem-Solving: Ability to troubleshoot complex technical issues, with a proactive and … well-being, and continuous growth, ensuring that you have the support and resources to excel both professionally and personally. Competitive Salary: £50,000 - £65,000 per year, with potential performance-based increases. Performance Bonus: Up to 10% annual bonus. Generous Holiday Allowance: 27 days holiday plus bank holidays. Health Insurance: Private health insurance including dental care, vision, and More ❯
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Senior Software Engineer

slough, south east england, united kingdom
Online Filings
Design and build RESTful API endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect and maintain integrations with external … Proven track record of leading development teams and managing large-scale projects. Database Expertise: In-depth experience with PostgreSQL/SQL, including design of complex schemas, writing queries and performance optimisation. Security & Performance: Deep understanding of application security best practices, performance tuning, and scalable architecture. Problem-Solving: Ability to troubleshoot complex technical issues, with a proactive and … well-being, and continuous growth, ensuring that you have the support and resources to excel both professionally and personally. Competitive Salary: £50,000 - £65,000 per year, with potential performance-based increases. Performance Bonus: Up to 10% annual bonus. Generous Holiday Allowance: 27 days holiday plus bank holidays. Health Insurance: Private health insurance including dental care, vision, and More ❯
Posted:

Senior Software Engineer

london (city of london), south east england, united kingdom
Online Filings
Design and build RESTful API endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect and maintain integrations with external … Proven track record of leading development teams and managing large-scale projects. Database Expertise: In-depth experience with PostgreSQL/SQL, including design of complex schemas, writing queries and performance optimisation. Security & Performance: Deep understanding of application security best practices, performance tuning, and scalable architecture. Problem-Solving: Ability to troubleshoot complex technical issues, with a proactive and … well-being, and continuous growth, ensuring that you have the support and resources to excel both professionally and personally. Competitive Salary: £50,000 - £65,000 per year, with potential performance-based increases. Performance Bonus: Up to 10% annual bonus. Generous Holiday Allowance: 27 days holiday plus bank holidays. Health Insurance: Private health insurance including dental care, vision, and More ❯
Posted:

Senior Software Engineer

london, south east england, united kingdom
Hybrid / WFH Options
CipherTek Recruitment
reviewed until WC 3rd November We’re partnering with a global investment bank to hire an exceptional Software Engineer to join a flagship team delivering a next-generation, high-performance derivatives risk platform . This is a mission-critical front-office role working on real-time distributed systems with exceptional technical standards. You’ll be part of a high … Python or Java , ideally with working knowledge of another. Rust very desirable Proven experience designing and developing complex, distributed, real-time systems . Deep understanding of software architecture, concurrency, performance optimisation , and system reliability . Demonstrable front-end engineering experience using JavaScript, TypeScript, Angular or React Familiarity with containerisation (Kubernetes, Docker) and modern DevOps practices . Experience in More ❯
Posted:

Senior Software Engineer

slough, south east england, united kingdom
Hybrid / WFH Options
CipherTek Recruitment
reviewed until WC 3rd November We’re partnering with a global investment bank to hire an exceptional Software Engineer to join a flagship team delivering a next-generation, high-performance derivatives risk platform . This is a mission-critical front-office role working on real-time distributed systems with exceptional technical standards. You’ll be part of a high … Python or Java , ideally with working knowledge of another. Rust very desirable Proven experience designing and developing complex, distributed, real-time systems . Deep understanding of software architecture, concurrency, performance optimisation , and system reliability . Demonstrable front-end engineering experience using JavaScript, TypeScript, Angular or React Familiarity with containerisation (Kubernetes, Docker) and modern DevOps practices . Experience in More ❯
Posted:

Senior Software Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
CipherTek Recruitment
reviewed until WC 3rd November We’re partnering with a global investment bank to hire an exceptional Software Engineer to join a flagship team delivering a next-generation, high-performance derivatives risk platform . This is a mission-critical front-office role working on real-time distributed systems with exceptional technical standards. You’ll be part of a high … Python or Java , ideally with working knowledge of another. Rust very desirable Proven experience designing and developing complex, distributed, real-time systems . Deep understanding of software architecture, concurrency, performance optimisation , and system reliability . Demonstrable front-end engineering experience using JavaScript, TypeScript, Angular or React Familiarity with containerisation (Kubernetes, Docker) and modern DevOps practices . Experience in More ❯
Posted:

Senior Full Stack Developer

South East, United Kingdom
Hybrid / WFH Options
HBG Recruitment
Full Stack Developer, you'll: Lead the maintenance and feature development of enterprise-level WordPress sites across multiple brands. Build and maintain shared plugins and reusable microservices to enhance performance and scalability. Collaborate with internal teams and vendors to deliver digital products that push boundaries. Optimise site performance - improving response times, query efficiency, and Core Web Vitals. Troubleshoot … of WordPress + Gutenberg Strong skills in PHP, JS, React, HTML, CSS Experience building custom Gutenberg blocks , APIs, and feeds Solid knowledge of Git , Agile , and JIRA Understanding of performance optimisation , caching , and Core Web Vitals Confident communicator and collaborator in distributed teams Nice to Have Experience with WordPress VIP or PugPig Exposure to AWS (S3, Lambda, EC2 More ❯
Employment Type: Permanent, Work From Home
Salary: £95,000
Posted:

Lead Risk Developer

london, south east england, united kingdom
Hybrid / WFH Options
Cititec
scenario analysis for high-volume, data-intensive trading activity. As Lead Developer, you will drive the architecture and implementation of a cloud native, microservice based risk framework, ensuring scalability, performance, and accuracy across all risk computations. You will collaborate closely with quantitative developers, traders, and other stakeholders to industrialise models and deliver a best-in-class risk capability. This … based risk infrastructure with high scalability and low latency. Provide hands-on technical leadership and mentorship within a distributed team of engineers across multiple global locations. Drive architectural improvements, performance optimisation, and best engineering practices. Technology Environment Languages: Python Architecture: Cloud-native, containerised microservices (Kubernetes, Docker). Infrastructure: Kafka, Terraform, Jenkins, Git, CI/CD pipelines. Data: SQL More ❯
Posted:

Lead Risk Developer

slough, south east england, united kingdom
Hybrid / WFH Options
Cititec
scenario analysis for high-volume, data-intensive trading activity. As Lead Developer, you will drive the architecture and implementation of a cloud native, microservice based risk framework, ensuring scalability, performance, and accuracy across all risk computations. You will collaborate closely with quantitative developers, traders, and other stakeholders to industrialise models and deliver a best-in-class risk capability. This … based risk infrastructure with high scalability and low latency. Provide hands-on technical leadership and mentorship within a distributed team of engineers across multiple global locations. Drive architectural improvements, performance optimisation, and best engineering practices. Technology Environment Languages: Python Architecture: Cloud-native, containerised microservices (Kubernetes, Docker). Infrastructure: Kafka, Terraform, Jenkins, Git, CI/CD pipelines. Data: SQL More ❯
Posted:

Lead Risk Developer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Cititec
scenario analysis for high-volume, data-intensive trading activity. As Lead Developer, you will drive the architecture and implementation of a cloud native, microservice based risk framework, ensuring scalability, performance, and accuracy across all risk computations. You will collaborate closely with quantitative developers, traders, and other stakeholders to industrialise models and deliver a best-in-class risk capability. This … based risk infrastructure with high scalability and low latency. Provide hands-on technical leadership and mentorship within a distributed team of engineers across multiple global locations. Drive architectural improvements, performance optimisation, and best engineering practices. Technology Environment Languages: Python Architecture: Cloud-native, containerised microservices (Kubernetes, Docker). Infrastructure: Kafka, Terraform, Jenkins, Git, CI/CD pipelines. Data: SQL More ❯
Posted:

Front-End Developer

Gatwick, West Sussex, England, United Kingdom
Hybrid / WFH Options
William Reed
gap between visual design and technical functionality and escalating critical gaps in project requirements or processes, when necessary, to proactively address issues Testing and debugging designs to ensure seamless performance and adherence to accessibility standards (e.g. WCAG compliance) Optimising website performance to meet Core Web Vitals benchmarks, including Largest Contentful Paint (LCP), First Input Delay (FID), and Cumulative … Layout Shift (CLS) Leveraging modern development techniques such as lazy loading, efficient asset management, and CSS/JS optimisation to enhance user experience and speed Working alongside testers in UAT to ensure our products work as intended Efficiently triaging and managing assigned tickets, maintaining accurate statuses and progress commentary to ensure team alignment Documenting all technical processes, methodologies, and … clarity on requirements and expectations within the Jira workflow Staying up-to-date with the latest web technologies, browser capabilities, and best practices to ensure designs meet or exceed performance expectations Ensuring smooth team operations by handling administrative tasks, such as coordinating team meetings, monitoring workloads, and resolving blockers to maintain project momentum What you’ll need: Strong experience More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

DevOps Team Lead

Middlesex, south east england, united kingdom
Hybrid / WFH Options
Sky
protocols and best practices Proven experience in logging systems (e.g. ELK stack ) Proven experience in monitoring systems (e.g. Prometheus ) Proven experience in tracing systems (e.g. OpenTelemetry , Jaeger) Experience in performance optimization and resource management Relevant certifications (AWS, Google) Understanding of Agile methodologies Ability to diagnose and resolve service- affecting issues in a Broadcast/Livestream environment Pro- active attitude More ❯
Posted:

Cloud Engineering Team Lead

Middlesex, south east england, united kingdom
Hybrid / WFH Options
Sky
protocols and best practices Proven experience in logging systems (e.g. ELK stack ) Proven experience in monitoring systems (e.g. Prometheus ) Proven experience in tracing systems (e.g. OpenTelemetry , Jaeger) Experience in performance optimization and resource management Relevant certifications (AWS, Google) Understanding of Agile methodologies Ability to diagnose and resolve service- affecting issues in a Broadcast/Livestream environment Pro- active attitude More ❯
Posted:

AI Engineer

london, south east england, united kingdom
Quantspark
and data-driven approaches. You'll integrate ML models into production-ready AI solutions while collaborating closely with data scientists, software engineers, and product teams. Monitor and optimise model performance, contribute to AI architecture and deployment, and stay current with the latest AI/ML research and technologies. You should hit the apply button if... You have strong programming … AI innovation and invests in scalable, production-grade machine learning systems. Encourages cross-disciplinary collaboration and continuous learning. Supports best practices in software engineering and fosters a culture of performance optimisation and technology adoption. I'm looking to work with... Talented data scientists, software engineers, product managers, and stakeholders across disciplines who are passionate about AI. Teams that More ❯
Posted:
Performance Optimisation
the South East
10th Percentile
£50,000
25th Percentile
£55,000
Median
£73,750
75th Percentile
£83,750
90th Percentile
£95,000