1 to 25 of 147 Performance Optimisation Jobs in London

tools, platforms, and processes that improve the overall developer experience. Your work will involve close collaboration with developers, DevOps engineers, and other customers to ensure seamless integration and optimal performance of development workflows. Key Responsibilities: Developer Experience Enhancements: Work on projects to improve developer productivity using tools such as Backstage to create internal developer portals and improve developer workflows. … standard methodologies for DevOps. Infrastructure Automation & Management: Use Terraform/OpenTofu and automation frameworks to provision and manage infrastructure. Monitoring & Observability: Configure and utilise observability tools like Datadog for performance monitoring, alerting, and visualisation, ensuring system reliability and quick identification of issues. Performance Optimisation: Continuously monitor the performance of the tools and services and implement optimisations More ❯

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 … 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 ❯

to deliver the best possible customer experience, with a focus on security, usability, and accessibility. Conduct and participate in code reviews, considering functional and non-functional requirements such as performance, resiliency, maintainability, and security. Promote continuous improvement in team effectiveness and culture, supporting changes that enhance productivity and happiness. Build a collaborative environment, coaching and mentoring less experienced engineers. … code principles, design patterns, distributed systems, software testing, CI/CD, and Agile methodologies (Scrum/Kanban). Knowledge of application security. Additional desirable skills: SQL, GraphQL, Maven Frontend performance optimisation API security and secure coding best practices Git release strategies Nice to have: Postgres, DynamoDB, Kubernetes, GitHub Actions, Feign, Quarkus. Proven track record in: Delivering well-optimised More ❯

to deliver the best possible customer experience, with a focus on security, usability, and accessibility. Conduct and participate in code reviews, considering functional and non-functional requirements such as performance, resiliency, maintainability, and security. Promote continuous improvement in team effectiveness and culture, supporting changes that enhance productivity and happiness. Build a collaborative environment, coaching and mentoring less experienced engineers. … code principles, design patterns, distributed systems, software testing, CI/CD, and Agile methodologies (Scrum/Kanban). Knowledge of application security. Additional desirable skills: SQL, GraphQL, Maven Frontend performance optimisation API security and secure coding best practices Git release strategies Nice to have: Postgres, DynamoDB, Kubernetes, GitHub Actions, Feign, Quarkus. Proven track record in: Delivering well-optimised More ❯

or Java) Expert in application design, security, release, testing and packaging Mastery of SQL/no-SQL databases, data pipeline orchestration tools Mastery of concurrent/distributed programming and performance optimisation methods. Experienced in Cloud Technologies - Azure/AWS Experienced in Source Control Technologies (including GitHub, Azure DevOps), CI/CD and Test Automation. Mathematics skills, experience working … the best version of yourself. Benefit from flexible working hours, and the possibility of remote/mobile working. Perform at your best with a competitive starting salary and annual performance related salary increase - our pay and benefits packages are considered to be among the best in the world. Take advantage of paid parental leave, including for non-birthing parents. More ❯

secure, scalable full-stack solutions that solve complex legal business challenges Collaborate with UX designers and stakeholders to bring creative visions to life Optimise front-end code for peak performance, accessibility, and cross-browser compatibility Champion software quality through rigorous testing and continuous improvement practices Drive innovation through Agile methodologies and collaborative problem-solving Maintain business-critical systems and … versed in Git version control in multi-developer environments Bonus Points For: Experience with .NET/.NET Core development and Entity Framework Knowledge of MS SQL Server and database optimisation Familiarity with accessibility standards (WCAG) and web performance optimisation Services offered by Computappoint Limited are those of an Employment Business and/or Employment Agency in relation More ❯

circa £50,000 to £85,000 per annum, depending on experience plus INCREDIBLE benefits Location: fully remote We're recruiting for a UK-based software company building scalable, high-performance platforms for modern infrastructure. The team is made up of experienced professionals from diverse industries, united by a passion for clean code, automation and innovation. They operate as a … in agile environments (Scrum or Kanban). Experience with microservices, event-driven systems, and containerisation (Docker, Kubernetes) - DESIRABLE Background in product management or user-centred design - DESIRABLE Familiarity with performance optimisation and data modelling - DESIRABLE What you'd be doing: Develop backend services and components using Go. Design and implement APIs, data models and automation workflows. Optimise performance … with cross-functional teams to understand requirements and deliver solutions. Help identify and resolve technical bottlenecks and bugs. Benefits : 30 days annual leave plus bank holidays Competitive salary with performance bonus and annual pay reviews Private healthcare and dental coverage £1500 annual personal development allowance Enhanced maternity and paternity pay Generous pension scheme with employer matching contributions and even More ❯

Salary: circa £50,000 to £85,000 per annum, depending on experience plus INCREDIBLE benefitsLocation: fully remote We're recruiting for a UK-based software company building scalable, high-performance platforms for modern infrastructure. The team is made up of experienced professionals from diverse industries, united by a passion for clean code, automation and innovation. They operate as a … in agile environments (Scrum or Kanban). Experience with microservices, event-driven systems, and containerisation (Docker, Kubernetes) - DESIRABLE Background in product management or user-centred design - DESIRABLE Familiarity with performance optimisation and data modelling - DESIRABLE What you'd be doing: Develop backend services and components using Go. Design and implement APIs, data models and automation workflows. Optimise performance … with cross-functional teams to understand requirements and deliver solutions. Help identify and resolve technical bottlenecks and bugs. Benefits : 30 days annual leave plus bank holidays Competitive salary with performance bonus and annual pay reviews Private healthcare and dental coverage £1500 annual personal development allowance Enhanced maternity and paternity pay Generous pension scheme with employer matching contributions and even More ❯

with a focus on user experience - DESIRABLE Experience with microservices, event-driven systems, and containerisation (Docker, Kubernetes) - DESIRABLE Background in product management or user-centred design - DESIRABLE Familiarity with performance optimisation and data modelling - DESIRABLE What you'd be doing: Leading the design and delivery of a cutting-edge product focussed on improving network operations. Defining technical architecture … and coding standards to ensure scalability, performance and maintainability. Mentoring and managing a talented team of engineers, fostering a culture of innovation and collaboration. Driving product strategy in partnership with product managers and stakeholders. Continuously improving agile processes and development workflows. Managing technical debt and ensuring robust quality assurance through automated testing. Researching emerging technologies and integrating them into … platform capabilities. Benefits : 30 days annual leave plus bank holidays Competitive salary with performance bonus and annual pay reviews Private healthcare and dental coverage £1500 annual personal development allowance Enhanced maternity and paternity pay Generous pension scheme with employer matching contributions and even more If you're interested we'd love to hear from you - please Apply Now and More ❯

with a focus on user experience - DESIRABLE Experience with microservices, event-driven systems, and containerisation (Docker, Kubernetes) - DESIRABLE Background in product management or user-centred design - DESIRABLE Familiarity with performance optimisation and data modelling - DESIRABLE What you'd be doing: Leading the design and delivery of a cutting-edge product focussed on improving network operations. Defining technical architecture … and coding standards to ensure scalability, performance and maintainability. Mentoring and managing a talented team of engineers, fostering a culture of innovation and collaboration. Driving product strategy in partnership with product managers and stakeholders. Continuously improving agile processes and development workflows. Managing technical debt and ensuring robust quality assurance through automated testing. Researching emerging technologies and integrating them into … platform capabilities. Benefits : 30 days annual leave plus bank holidays Competitive salary with performance bonus and annual pay reviews Private healthcare and dental coverage £1500 annual personal development allowance Enhanced maternity and paternity pay Generous pension scheme with employer matching contributions and even more If you're interested we'd love to hear from you - please Apply Now and More ❯

FX Derivatives & Risk Bromley (3 days per week on-site) 12-month contract Competitive day rate via umbrella Are you a React Developer who thrives in fast-paced, high-performance environments? This is your chance to join a front-office technology team working on cutting-edge trading systems that power global markets. You'll be part of a highly … skilled FX Derivatives & Risk team, building and extending sophisticated front-end applications used by traders and risk managers. Expect a role that combines complex problem solving, UI performance optimisation, and exposure to financial products , all within a collaborative and innovative environment. What you'll be doing: Designing and developing high-performing React applications for FX Options and Risk. … JavaScript, HTML, and CSS. Good understanding of algorithms, data structures, and design patterns. Experience with agile methodologies (Scrum, Kanban, XP) and CI/CD practices. Background in UI design, optimisation, scalability, and reliability. Degree in Computer Science, Engineering, Mathematics, or related field. Bonus points if you have: Experience with derivatives, FX, or trading environments. Previous work on real-time More ❯

to design discussions, code reviews, and maintain documentation in Confluence. Essential Technical Skills Languages & Frameworks TypeScript (Proficient) - primary language for backend and frontend. React (Proficient) - SPA development, state management, performance optimization. js (Proficient) - microservices architecture. GraphQL (Working) - queries, mutations, schema awareness. SQL (PostgreSQL) (Working) - schema design, queries, migrations. JavaScript (Working) - legacy code and Jest tests. Go (Awareness) - infrastructure tooling More ❯

implementation of ML pipelines, APIs, and data integration workflows. Operational Excellence: Contribute to defining reusable development patterns, enforcing coding standards, and implementing MLOps best practices that support version control, performance optimisation, and maintainability. Cross-Disciplinary Collaboration: Work side-by-side with data scientists, product managers, platform engineers, and QA teams to align on technical requirements, delivery timelines, and More ❯

implementation of ML pipelines, APIs, and data integration workflows. Operational Excellence: Contribute to defining reusable development patterns, enforcing coding standards, and implementing MLOps best practices that support version control, performance optimisation, and maintainability. Cross-Disciplinary Collaboration: Work side-by-side with data scientists, product managers, platform engineers, and QA teams to align on technical requirements, delivery timelines, and More ❯

implementation of ML pipelines, APIs, and data integration workflows. Operational Excellence: Contribute to defining reusable development patterns, enforcing coding standards, and implementing MLOps best practices that support version control, performance optimisation, and maintainability. Cross-Disciplinary Collaboration: Work side-by-side with data scientists, product managers, platform engineers, and QA teams to align on technical requirements, delivery timelines, and More ❯

implementation of ML pipelines, APIs, and data integration workflows. Operational Excellence: Contribute to defining reusable development patterns, enforcing coding standards, and implementing MLOps best practices that support version control, performance optimisation, and maintainability. Cross-Disciplinary Collaboration: Work side-by-side with data scientists, product managers, platform engineers, and QA teams to align on technical requirements, delivery timelines, and More ❯

improvements and make key architectural decisions. Experience Extensive production experience architecting and delivering complex applications with TypeScript and Node.js . Expert level GraphQL , including advanced API design, schema evolution, performance optimisation. Strong automated testing frameworks like Vitest and Playwright . Proficiency with modern DevOps tooling and cloud-native architecture, including Docker , Helm , Kubernetes . Proven ability to lead technical More ❯

testing platform , working closely with structurers and front office stakeholders. The position offers direct business interaction, exposure to real-world trading problems, and the opportunity to build robust, high-performance solutions in a dynamic environment. Responsibilities Develop and enhance Python-based models for: Historical index back-testing Daily pricing and index level generation Weighting and rebalancing logic Basket decomposition … with Flask or FastAPI for API development. Proficiency in time-series data manipulation and back-testing methods. Experience working with large datasets and real-time data pipelines . Strong performance optimisation and debugging skills. Confident communicator with the ability to liaise directly with business stakeholders. Desirable Skills Experience in commodities indices, structured products, or index engineering . Knowledge More ❯

testing platform , working closely with structurers and front office stakeholders. The position offers direct business interaction, exposure to real-world trading problems, and the opportunity to build robust, high-performance solutions in a dynamic environment. Responsibilities Develop and enhance Python-based models for: Historical index back-testing Daily pricing and index level generation Weighting and rebalancing logic Basket decomposition … with Flask or FastAPI for API development. Proficiency in time-series data manipulation and back-testing methods. Experience working with large datasets and real-time data pipelines . Strong performance optimisation and debugging skills. Confident communicator with the ability to liaise directly with business stakeholders. Desirable Skills Experience in commodities indices, structured products, or index engineering . Knowledge More ❯

and code versioning tools (e.g., GitHub) Familiarity with Shopify Plus, APIs, 3rd party integrations, and theme build tools (Vite.js, Webpack) Solid understanding of accessibility standards (WCAG), GDPR, PCI, and performance optimisation Experience in Agile environments and potentially acting as a Scrum Master is a plus Commitment to mentoring developers and maintaining clean, maintainable codebases Why join? Competitive More ❯

Strong proficiency in Pandas , NumPy , and time-series data manipulation Proven experience with FastAPI or Flask Familiarity with large datasets and real-time data pipelines Excellent debugging, profiling, and performance optimization skills Strong communication skills and ability to work with non-technical stakeholders Preferred Skills Experience with commodities indices or structured products Knowledge of market data platforms (e.g., Bloomberg More ❯

with Google Cloud Platform (GCP) and Terraform is a plus. Proficiency in working with document-based databases such as Firestore . A deep understanding of software architecture, scalability, and performance optimisation. Strong problem-solving skills with the ability to debug and resolve complex issues. A collaborative mindset, with experience mentoring engineers and contributing to a strong engineering culture. Excellent More ❯

ClaimCenter Developer 6+ years’ experience with ClaimCenter, Guidewire Certified. Strong in Gosu, Java, SOAP/REST, Studio, Messaging, Data Model, Rules & Workflows. Lead development, integrations, mentoring, code reviews, and performance optimization. Agile/Scrum experience with solid problem-solving and communication skills. Guidewire ClaimCenter Business Specialist/Analyst 5+ years’ experience with ClaimCenter, Guidewire Certified (preferred). Skilled in More ❯

Hands-on experience with enterprise Linux applications, including: Web servers (Apache, Nginx) Databases (MySQL/MariaDB) Containerisation (Docker, Kubernetes) Automation tools (Ansible) Solid understanding of system security, patching, and performance optimisation. Ability to work both independently and collaboratively in cross-functional teams. Strong problem-solving and communication skills. More ❯

Create comprehensive data visualizations and reports using Power BI Implement Dataverse solutions for data management and integration Develop and maintain connectors for third-party system integrations Ensure solution scalability, performance optimization, and security compliance Solution Architecture Analyze business processes and identify automation opportunities Design end-to-end Power Platform solutions aligned with enterprise architecture Create technical documentation, solution blueprints More ❯