Permanent Performance Optimisation Jobs in London

1 to 25 of 320 Permanent Performance Optimisation Jobs in London

Senior Product Engineer London

London, United Kingdom
Acquired Payments
requirements gathering to deployment. Collaborate with product managers and designers to translate business requirements into technical solutions. Ensure high reliability and uptime through proactive monitoring and improvements. Optimize application performance and ensure best practices in security and maintainability. Technical Leadership & Innovation Influence architectural decisions and technical direction within the team. Advocate for best practices in code quality, testing, and … or Azure) and containerization (Docker, Kubernetes). Strong understanding of CI/CD pipelines, DevOps practices, and software deployment strategies. Deep knowledge of database technologies (SQL and NoSQL) and performance optimization techniques. Experience in software testing, including test automation, performance testing, and security testing. Familiarity with Agile development methodologies and modern product engineering practices. Excellent problem-solving, analytical … and collaboration skills, with a proactive approach to teamwork. Success Measures Consistent delivery of high-impact, high-quality features that align with business goals. Increased system reliability, scalability, and performance through proactive improvements. Measurable contributions to team knowledge-sharing, mentoring, and technical excellence. Reduction in technical debt and improvements in maintainability and code quality. Effective collaboration with product, design More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior PHP Developer (Full-stack)

London, England, United Kingdom
Skyloop Digital LTD
web applications using PHP and modern frontend technologies Design and implement scalable solutions in multi-server environments Work with AWS cloud services to build robust, distributed systems Optimize database performance and design efficient data structures Implement and manage queue systems for asynchronous processing Collaborate with cross-functional teams to deliver high-quality software solutions Mentor junior developers and contribute … Excellent communication and teamwork abilities Nice to Have Experience with microservices architecture Knowledge of additional AWS services (ElastiCache, CloudWatch, etc.) Familiarity with Elasticsearch or similar search engines Experience with performance optimization and monitoring tools DevOps experience and infrastructure as code (Terraform, CloudFormation) System administration experience with web servers (Apache, Nginx) What We Offer Competitive salary and benefits package Flexible More ❯
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Software Architect

City of London, London, United Kingdom
Zensar Technologies
latest versions) and guide teams on best practices. Drive adoption of modern architecture principles like Microservices , Event-Driven Architecture , CQRS , and SAGA patterns . Define and enforce coding standards, performance tuning, and best practices. Select appropriate AWS services and design cloud-native architectures with cost, scalability, and security in mind. Conduct design and code reviews to ensure quality and … Associate/Professional) is a plus. Experience with Infrastructure as Code (IaC) using Terraform or AWS CDK. Exposure to data streaming platforms like Kafka is a bonus. Background in performance optimization, scalability, and security best practices. Desired Skills: Knowledge of AI and Emerging Technologies (Good to have) Understanding of how AI capabilities can be integrated into enterprise applications to More ❯
Posted:

Software Architect

London Area, United Kingdom
Zensar Technologies
latest versions) and guide teams on best practices. Drive adoption of modern architecture principles like Microservices , Event-Driven Architecture , CQRS , and SAGA patterns . Define and enforce coding standards, performance tuning, and best practices. Select appropriate AWS services and design cloud-native architectures with cost, scalability, and security in mind. Conduct design and code reviews to ensure quality and … Associate/Professional) is a plus. Experience with Infrastructure as Code (IaC) using Terraform or AWS CDK. Exposure to data streaming platforms like Kafka is a bonus. Background in performance optimization, scalability, and security best practices. Desired Skills: Knowledge of AI and Emerging Technologies (Good to have) Understanding of how AI capabilities can be integrated into enterprise applications to More ❯
Posted:

Software Architect

South East London, England, United Kingdom
Zensar Technologies
latest versions) and guide teams on best practices. Drive adoption of modern architecture principles like Microservices , Event-Driven Architecture , CQRS , and SAGA patterns . Define and enforce coding standards, performance tuning, and best practices. Select appropriate AWS services and design cloud-native architectures with cost, scalability, and security in mind. Conduct design and code reviews to ensure quality and … Associate/Professional) is a plus. Experience with Infrastructure as Code (IaC) using Terraform or AWS CDK. Exposure to data streaming platforms like Kafka is a bonus. Background in performance optimization, scalability, and security best practices. Desired Skills: Knowledge of AI and Emerging Technologies (Good to have) Understanding of how AI capabilities can be integrated into enterprise applications to More ❯
Posted:

Head of AI & Technology

London Area, United Kingdom
Hybrid / WFH Options
Reed.ai
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 ❯
Posted:

Head of AI & Technology

City of London, London, United Kingdom
Hybrid / WFH Options
Reed.ai
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 ❯
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Java Technical Lead

City of London, London, United Kingdom
Ascendion
You’ll work closely with engineering managers, architects, mobile teams, and product stakeholders to deliver scalable, secure, and maintainable solutions. Key Responsibilities: • Design and develop scalable, secure, and high-performance backend systems using Java, Spring Boot, and modern architectural practices. • Lead development of RESTful APIs and microservices along with mobile platforms, ensuring consistency and alignment with business and UX … Identity, Okta, or Auth0, with support for OAuth2, OIDC, and JWT. • Collaborate with mobile app teams to ensure backend services are optimized for mobile-specific use cases such as performance, caching, and offline access. • Own end-to-end technical delivery, including code quality, performance optimization, security best practices, and CI/CD integration. • Perform code and design reviews … tooling (GitHub Actions, Jenkins, GitLab CI). • Excellent communication, collaboration, and technical documentation skills. Preferred Qualifications: • Exposure to mobile application development lifecycle, backend-for-frontend (BFF) patterns, and mobile performance optimization. • Experience with NoSQL databases (e.g., MongoDB, Cassandra). • Familiarity with cloud platforms (AWS, GCP, Azure) and container orchestration (Kubernetes). • Knowledge of event-driven or reactive architectures, messaging More ❯
Posted:

Java Technical Lead

London Area, United Kingdom
Ascendion
You’ll work closely with engineering managers, architects, mobile teams, and product stakeholders to deliver scalable, secure, and maintainable solutions. Key Responsibilities: • Design and develop scalable, secure, and high-performance backend systems using Java, Spring Boot, and modern architectural practices. • Lead development of RESTful APIs and microservices along with mobile platforms, ensuring consistency and alignment with business and UX … Identity, Okta, or Auth0, with support for OAuth2, OIDC, and JWT. • Collaborate with mobile app teams to ensure backend services are optimized for mobile-specific use cases such as performance, caching, and offline access. • Own end-to-end technical delivery, including code quality, performance optimization, security best practices, and CI/CD integration. • Perform code and design reviews … tooling (GitHub Actions, Jenkins, GitLab CI). • Excellent communication, collaboration, and technical documentation skills. Preferred Qualifications: • Exposure to mobile application development lifecycle, backend-for-frontend (BFF) patterns, and mobile performance optimization. • Experience with NoSQL databases (e.g., MongoDB, Cassandra). • Familiarity with cloud platforms (AWS, GCP, Azure) and container orchestration (Kubernetes). • Knowledge of event-driven or reactive architectures, messaging More ❯
Posted:

Java Technical Lead

South East London, England, United Kingdom
Ascendion
You’ll work closely with engineering managers, architects, mobile teams, and product stakeholders to deliver scalable, secure, and maintainable solutions. Key Responsibilities: • Design and develop scalable, secure, and high-performance backend systems using Java, Spring Boot, and modern architectural practices. • Lead development of RESTful APIs and microservices along with mobile platforms, ensuring consistency and alignment with business and UX … Identity, Okta, or Auth0, with support for OAuth2, OIDC, and JWT. • Collaborate with mobile app teams to ensure backend services are optimized for mobile-specific use cases such as performance, caching, and offline access. • Own end-to-end technical delivery, including code quality, performance optimization, security best practices, and CI/CD integration. • Perform code and design reviews … tooling (GitHub Actions, Jenkins, GitLab CI). • Excellent communication, collaboration, and technical documentation skills. Preferred Qualifications: • Exposure to mobile application development lifecycle, backend-for-frontend (BFF) patterns, and mobile performance optimization. • Experience with NoSQL databases (e.g., MongoDB, Cassandra). • Familiarity with cloud platforms (AWS, GCP, Azure) and container orchestration (Kubernetes). • Knowledge of event-driven or reactive architectures, messaging More ❯
Posted:

Principal MLOps/GenAI Infrastructure Engineer

London, United Kingdom
Hybrid / WFH Options
BBC Group and Public Services
practices with hands-on expertise in GitHub Actions, Jenkins, and GitOps workflows. Strong knowledge of advanced DevOps concepts, including progressive delivery strategies (blue/green, canary), resilience engineering, and performance optimisation. Deep understanding of cloud security, governance, and compliance, with the ability to define and implement scalable security frameworks. Proven ability to drive cross-functional technical initiatives, influence without More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Engineering Lead

City Of London, England, United Kingdom
Burns Sheehan
engineering leadership. What the Engineering Lead will be doing Leading, coaching and developing a squad of engineers working on a core Rules Engine product. Driving team delivery, ensuring high performance, scalability, and maintainability of software systems while guiding systems design decisions. Supporting and mentoring engineers in their career growth, goal setting, and performance. Partnering closely with product management to …/CD, Agile product delivery Bonus Points For Experience leading cloud-based SaaS product teams. Exposure to highly regulated or data-sensitive industries (e.g. finance, insurance). Familiarity with performance optimisation and cost control in AWS environments. Understanding of underwriting or insurance systems. This is an amazing opportunity to lead a talented team in an ambitious tech company More ❯
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Principal Engineer (Fullstack)

London, United Kingdom
AKQA Media
Vercel, Netlify and Amplify. Experience with Web Rendering approaches such as SSG, ISR, SSR, CSR and hybrid approaches. Experience developing PWAs, Web workers and Web APIs. Experience in Webapp performance optimisation, scalability, profiling and testing. Data Engineering & Architecture Familiarity with TensorFlow, PyTorch, or other relevant AI/ML frameworks Security and compliance design & implementation Mobile app development (native More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Data Engineer

London, United Kingdom
Sandtech
hosted open source services exclusively. We strive towards a strong code-first, data as a product mindset at all times, where testing and reliability with a keen eye on performance is a non-negotiable. JOB SUMMARY A Senior Data Engineer, has the primary role of designing, building, and maintaining scalable data pipelines and infrastructure to support data-intensive applications … services for data storage, processing, and analytics. Data Quality and Governance: Implement and oversee data governance, quality, and security measures. Monitoring, Optimization and Troubleshooting: Monitor data pipelines and infrastructure performance, identify bottlenecks and optimize for scalability, reliability, and cost-efficiency. Troubleshoot and fix data-related issues. DevOps: Build and maintain basic CI/CD pipelines, commit code to version … and DevOps. Mentoring: Mentor and guide junior and mid-level data engineers. Technology Selection: Evaluate and recommend technologies, frameworks, and tools that best suit project requirements and architecture goals. Performance Optimization: Optimize software performance, scalability, and efficiency through architectural design decisions and performance tuning. QUALIFICATIONS Proven experience as a Senior Data Engineer, or in a similar role More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Engineering Manager - B2B SaaS Rules Engine InsurTech

London, United Kingdom
Burns Sheehan
engineering leadership. What the Engineering Manager will be doing Leading, coaching and developing a squad of engineers working on a core Rules Engine product. Driving team delivery, ensuring high performance, scalability, and maintainability of software systems while guiding systems design decisions. Supporting and mentoring engineers in their career growth, goal setting, and performance. Partnering closely with product management to …/CD, Agile product delivery Bonus Points For Experience leading cloud-based SaaS product teams. Exposure to highly regulated or data-sensitive industries (e.g. finance, insurance). Familiarity with performance optimisation and cost control in AWS environments. Understanding of underwriting or insurance systems. This is an amazing opportunity to lead a talented team in an ambitious tech company More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Python Developer

City of London, London, United Kingdom
Hedge Fund
quants, data scientists, and traders, providing Python-based solutions that directly impact the profitability of the business. This is an exciting opportunity to work in a fast-paced, high-performance environment where you can push the boundaries of technology in financial markets. Key Responsibilities: Design, develop, and maintain highly efficient Python-based applications for commodities trading, risk management, and … real-time data analysis. Build scalable, high-performance data pipelines to process large datasets from multiple sources, including real-time market data and fundamental data. Implement robust APIs and microservices to integrate trading systems, analytics platforms, and external data providers. Optimize performance and scalability of existing systems, ensuring low-latency trade execution and real-time risk monitoring. Collaborate … years of professional experience in Python development, with a focus on building performant, scalable systems. Deep understanding of core Python, including its strengths in data manipulation, asynchronous programming, and performance optimization. Experience with distributed systems, parallel computing, and high-performance processing of large datasets. Strong experience in data pipelines, working with tools such as Pandas, NumPy, and SQL More ❯
Posted:

Python Developer

London Area, United Kingdom
Hedge Fund
quants, data scientists, and traders, providing Python-based solutions that directly impact the profitability of the business. This is an exciting opportunity to work in a fast-paced, high-performance environment where you can push the boundaries of technology in financial markets. Key Responsibilities: Design, develop, and maintain highly efficient Python-based applications for commodities trading, risk management, and … real-time data analysis. Build scalable, high-performance data pipelines to process large datasets from multiple sources, including real-time market data and fundamental data. Implement robust APIs and microservices to integrate trading systems, analytics platforms, and external data providers. Optimize performance and scalability of existing systems, ensuring low-latency trade execution and real-time risk monitoring. Collaborate … years of professional experience in Python development, with a focus on building performant, scalable systems. Deep understanding of core Python, including its strengths in data manipulation, asynchronous programming, and performance optimization. Experience with distributed systems, parallel computing, and high-performance processing of large datasets. Strong experience in data pipelines, working with tools such as Pandas, NumPy, and SQL More ❯
Posted:

SAP Sovereign Cloud Expert DevOps Engineer

London, United Kingdom
SAP SE
security (NSGs, ASGs), and governance policies to ensure compliance and risk mitigation. Monitoring & Logging : Experience with Azure Monitor, Application Insights, Log Analytics, and Prometheus/Grafana for observability and performance monitoring. Scripting & Automation : Strong scripting skills in PowerShell, Bash, and Python , along with automation frameworks like Ansible . Collaboration & Problem-Solving : Ability to work closely with development, security, and … operations teams, applying DevOps methodologies to streamline processes and enhance system reliability. Performance Optimization : Expertise in tuning cloud applications for cost efficiency, scalability, and high availability , leveraging Azure Autoscaling, Load Balancers, andTraffic Manager . At least 5 years of hands-on experience in Azure Hyperscale/DevOps. Over 10 years of experience in DevOps roles, driving automation, scalability, and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Engineer (Team Lead)

London, United Kingdom
Hybrid / WFH Options
Evermore Global Sourcing Ltd
pipelines, and cloud infrastructure (AWS, Azure, or equivalent). Database & API Management - Design efficient PostgreSQL and MongoDB schemas and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and MongoDB. Experience with Directus or More ❯
Employment Type: Permanent
Salary: £80,000
Posted:

Senior Software Engineer - Full Stack (Bangkok based, Relocation provided)

London, United Kingdom
Agoda
and Dockerization, also K8S is a plus Knowledge and hands on experience in CI/CD solutions would be a plus Strong experience in all aspects of client-side performance optimization, Extremely proficient in modern coding and design practices. For example, Clean Code, SOLID principals, and TDD Experience in multiple front-end platforms including iOS, Android, Web, and API More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Mid Java Developer [Java, VueJS] - London

City of London, London, United Kingdom
Run-Time Group Ltd
latest tools in Machine Learning, Data Science and Automation tools? A mid-level Java Developer is required to join an innovative and rapidly growing scale-up dedicated to optimizing performance for their clients using cutting-edge automation tools, Data Science and machine learning technologies. Their mission is to revolutionize how businesses operate by delivering high-performance solutions that … talented and experienced Full-stack Java Developer to join our team. As a Full-stack Java Developer, you will play a crucial role in designing, developing, and maintaining high-performance applications that leverage the latest in automation and machine learning. Qualifications: Experience: 3+ years of professional experience as a Fullstack Java Developer. Education: Bachelors degree in Computer Science, Engineering … and responsive user interfaces using modern JavaScript frameworks/libraries (e.g., React, Angular, Vue.js). Backend Development: Implement server-side logic, database schemas, and APIs to support frontend functionality. Performance Optimization: Identify performance bottlenecks and implement solutions to optimize application performance. Automation and ML Integration: Integrate automation tools and machine learning models to enhance the functionality and performance More ❯
Employment Type: Permanent
Salary: £70,000
Posted:

Solutions Architect [UAE Based]

London Area, United Kingdom
AI71
deployment strategies. Design the integration architecture , including APIs, microservices, and third-party integrations. Technical Leadership: Guide engineering teams in implementing the architecture while ensuring best practices in software design, performance, and security. Define technology choices and architectural patterns to support the product roadmap. Conduct architecture reviews to ensure compliance with design principles and performance benchmarks. Scalability, Security & Cloud … architecture, micor forntend , event-driven architecture, and API-first design . Cloud Platforms: Deep knowledge of key cloud players AWS, Azure, and GCP , ensuring cloud-agnostic design principles. Scalability & Performance Optimization: Expertise in designing scalable, distributed, and high-availability systems. DevOps & CI/CD: Knowledge of Kubernetes, Docker, Terraform, Ansible , and other infrastructure automation tools. Security & Compliance: Understanding of More ❯
Posted:

Solutions Architect [UAE Based]

City of London, London, United Kingdom
AI71
deployment strategies. Design the integration architecture , including APIs, microservices, and third-party integrations. Technical Leadership: Guide engineering teams in implementing the architecture while ensuring best practices in software design, performance, and security. Define technology choices and architectural patterns to support the product roadmap. Conduct architecture reviews to ensure compliance with design principles and performance benchmarks. Scalability, Security & Cloud … architecture, micor forntend , event-driven architecture, and API-first design . Cloud Platforms: Deep knowledge of key cloud players AWS, Azure, and GCP , ensuring cloud-agnostic design principles. Scalability & Performance Optimization: Expertise in designing scalable, distributed, and high-availability systems. DevOps & CI/CD: Knowledge of Kubernetes, Docker, Terraform, Ansible , and other infrastructure automation tools. Security & Compliance: Understanding of More ❯
Posted:

Solutions Architect [UAE Based]

South East London, England, United Kingdom
AI71
deployment strategies. Design the integration architecture , including APIs, microservices, and third-party integrations. Technical Leadership: Guide engineering teams in implementing the architecture while ensuring best practices in software design, performance, and security. Define technology choices and architectural patterns to support the product roadmap. Conduct architecture reviews to ensure compliance with design principles and performance benchmarks. Scalability, Security & Cloud … architecture, micor forntend , event-driven architecture, and API-first design . Cloud Platforms: Deep knowledge of key cloud players AWS, Azure, and GCP , ensuring cloud-agnostic design principles. Scalability & Performance Optimization: Expertise in designing scalable, distributed, and high-availability systems. DevOps & CI/CD: Knowledge of Kubernetes, Docker, Terraform, Ansible , and other infrastructure automation tools. Security & Compliance: Understanding of More ❯
Posted:

Tech Product Lead - DAM

London, United Kingdom
Mars, Incorporated and its Affiliates
minimum viable products (A/B testing, etc.). Continuous Integration and Deployment: Familiarity with CI/CD practices and tools for automating software build, test, and deployment processes. Performance Optimization: Knowledge of techniques and tools for optimizing software performance, including profiling, code review, and performance testing. Team Leadership and Management: Experience in leading and managing technical … teams, including task assignment, mentoring, performance evaluation, and fostering a collaborative work environment. Vendor Management: Ability to evaluate and manage relationships with third-party vendors, ensuring the successful implementation and integration of their solutions. Documentation and Technical Writing: Strong skills in documenting technical specifications, system architecture, and user guides, facilitating knowledge sharing and future maintenance. Data Analytics and Business More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Performance Optimisation
London
10th Percentile
£50,000
25th Percentile
£60,938
Median
£75,000
75th Percentile
£95,625
90th Percentile
£117,625