1 to 25 of 28 Performance Optimisation Jobs in the City of London

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 ❯

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 ❯

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 ❯

Terraform and IaC principles. Solid understanding of CI/CD pipelines and DevOps culture. Experience with container technologies (Docker; Kubernetes beneficial). Good knowledge of cloud security, networking, and performance optimisation. Passion for clean, maintainable code, collaboration, and continuous learning. Next Steps If you are interested in this opportunity, hold active SC Clearance , and would like to learn more More ❯

Terraform and IaC principles. Solid understanding of CI/CD pipelines and DevOps culture. Experience with container technologies (Docker; Kubernetes beneficial). Good knowledge of cloud security, networking, and performance optimisation. Passion for clean, maintainable code, collaboration, and continuous learning. Next Steps If you are interested in this opportunity, hold active SC Clearance , and would like to learn more More ❯

to enhance trading capabilities. Embedded engineers get to see the impact of their actions, including visibility of daily P&L attribution. The role is broad and not limited to performance optimisation, rearchitecting systems, enabling large-scale ML model training, building out research tooling and much more. About you: Strong experience of software engineering and end-to-end solutions More ❯

to enhance trading capabilities. Embedded engineers get to see the impact of their actions, including visibility of daily P&L attribution. The role is broad and not limited to performance optimisation, rearchitecting systems, enabling large-scale ML model training, building out research tooling and much more. About you: Strong experience of software engineering and end-to-end solutions More ❯

OneStream Senior Systems Specialist – Contract Location: London (Hybrid) A global organisation is seeking a OneStream Senior Systems Specialist to support and optimise its enterprise performance management platform during a period of transformation. This is a 6-month contract role with the potential to extend. The role will be part of a small but dedicated finance systems team, ensuring the … OneStream platform, ideally across multiple modules Background in financial processes such as P&L, balance sheet, cash flow, consolidation, or tax reporting Technical knowledge of data management, integration, and performance optimisation Experience with MDM solutions (e.g., EPMWare) is an advantage Strong problem-solving and communication skills, with the ability to work across finance and technology teams This role More ❯

OneStream Senior Systems Specialist – Contract Location: London (Hybrid) A global organisation is seeking a OneStream Senior Systems Specialist to support and optimise its enterprise performance management platform during a period of transformation. This is a 6-month contract role with the potential to extend. The role will be part of a small but dedicated finance systems team, ensuring the … OneStream platform, ideally across multiple modules Background in financial processes such as P&L, balance sheet, cash flow, consolidation, or tax reporting Technical knowledge of data management, integration, and performance optimisation Experience with MDM solutions (e.g., EPMWare) is an advantage Strong problem-solving and communication skills, with the ability to work across finance and technology teams This role More ❯

understand and translate complex requirements into both business & technical specifications. Able to design and develop complex calculations and simulations based on large datasets, complemented with knowledge and expertise around performance optimisation and tuning methods. Expert development knowledge and experience of PaPM Modeling (Environment, Functions, Views) as well as PaPM Calculation Functions (Joins, Allocations, Derivations & Transfer Structures). Experience More ❯

understand and translate complex requirements into both business & technical specifications. Able to design and develop complex calculations and simulations based on large datasets, complemented with knowledge and expertise around performance optimisation and tuning methods. Expert development knowledge and experience of PaPM Modeling (Environment, Functions, Views) as well as PaPM Calculation Functions (Joins, Allocations, Derivations & Transfer Structures). Experience More ❯

fast-moving, ambitious environment where creativity, bold thinking and impact are at the heart of everything. The Role As Digital Trading Manager, you’ll take ownership of online sales performance across two fast-growing fashion brands in the UK and US markets. Working cross-functionally with digital, buying and merchandising teams, you'll drive strategy and trading decisions through … a data-first approach. With a strong focus on customer behaviour, key metrics, and performance optimisation, you’ll play a critical role in shaping digital growth. The person Proven track record of success in a similar Digital Trading and CRO role Highly numerate, with excellent planning and analytical capabilities Advanced Excel knowledge and good working knowledge of Google More ❯

fast-moving, ambitious environment where creativity, bold thinking and impact are at the heart of everything. The Role As Digital Trading Manager, you’ll take ownership of online sales performance across two fast-growing fashion brands in the UK and US markets. Working cross-functionally with digital, buying and merchandising teams, you'll drive strategy and trading decisions through … a data-first approach. With a strong focus on customer behaviour, key metrics, and performance optimisation, you’ll play a critical role in shaping digital growth. The person Proven track record of success in a similar Digital Trading and CRO role Highly numerate, with excellent planning and analytical capabilities Advanced Excel knowledge and good working knowledge of Google More ❯

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 ❯

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 ❯

About epx epx, formerly EP&T Global Limited, is a global leader in building performance optimisation with energy & operational management solutions that reduce energy and water wastage and improve operational outcomes across an array of commercial real estate. Our EDGE platform extracts, analyses and reports data to reduce building energy use by identifying opportunities to reduce energy, water … and waste consumption within buildings. EDGE collects, processes, analyses, visualizes and interprets billions of sets of data per year to optimize the performance of buildings. It provides data-enabled technology to a portfolio of building assets in 26 countries throughout Asia, Australia, Europe, Africa, Middle East and North America. About EDGE Industrial EDGE Industrial is a new cutting-edge … for property owners and operators in a range of sectors including transport, logistics and industrial. It delivers a comprehensive suite of services including security, health & safety, risk management, energy optimisation, critical asset management, compliance and reporting. With a land-and-expand model, EDGE Industrial is poised for significant growth across the UK and European market. The Role: We are More ❯

About epx epx, formerly EP&T Global Limited, is a global leader in building performance optimisation with energy & operational management solutions that reduce energy and water wastage and improve operational outcomes across an array of commercial real estate. Our EDGE platform extracts, analyses and reports data to reduce building energy use by identifying opportunities to reduce energy, water … and waste consumption within buildings. EDGE collects, processes, analyses, visualizes and interprets billions of sets of data per year to optimize the performance of buildings. It provides data-enabled technology to a portfolio of building assets in 26 countries throughout Asia, Australia, Europe, Africa, Middle East and North America. About EDGE Industrial EDGE Industrial is a new cutting-edge … for property owners and operators in a range of sectors including transport, logistics and industrial. It delivers a comprehensive suite of services including security, health & safety, risk management, energy optimisation, critical asset management, compliance and reporting. With a land-and-expand model, EDGE Industrial is poised for significant growth across the UK and European market. The Role: We are More ❯

totaled $13.8 billion. Job Description: We are looking for a seasoned AWS Data Engineer to join our team and contribute to the development of scalable, secure, and high-performance data solutions. This role involves modernizing mainframe legacy systems, building robust data pipelines, and enabling advanced analytics using AWS-native technologies. You’ll collaborate with cross-functional teams and play … in shaping our data strategy. Skills Must have : Proven experience in designing and maintaining scalable data lakes using AWS S3, with strong understanding of data lifecycle, access control, and performance optimization. Hands-on experience migrating data from Mainframes to AWS, including transformation and validation of legacy formats. Proficiency in reading and processing VSAM data using Copybooks and the Cobrix More ❯

totaled $13.8 billion. Job Description: We are looking for a seasoned AWS Data Engineer to join our team and contribute to the development of scalable, secure, and high-performance data solutions. This role involves modernizing mainframe legacy systems, building robust data pipelines, and enabling advanced analytics using AWS-native technologies. You’ll collaborate with cross-functional teams and play … in shaping our data strategy. Skills Must have : Proven experience in designing and maintaining scalable data lakes using AWS S3, with strong understanding of data lifecycle, access control, and performance optimization. Hands-on experience migrating data from Mainframes to AWS, including transformation and validation of legacy formats. Proficiency in reading and processing VSAM data using Copybooks and the Cobrix More ❯

with existing team to ensure smooth transition handover at termination of contract Contribute to CI/CD workflows using Azure Pipelines within an Azure cloud environment. Optimize application for performance, scalability, and accessibility. Troubleshoot and resolve issues across the front end, supporting integration points with back-end services. Maintain design consistency, usability, and accessibility standards across applications. Requirements Proven … of .NET (C#) and how React applications integrate with it. Familiarity with Azure environments, ideally including Azure Pipelines for CI/CD. Strong understanding of responsive design, accessibility, and performance optimization. Familiaity with calender page optimisation A team player with good communication skills More ❯

business is actively expanding as there is additional headcount for a number trade platform specialist Java Development with a focus on either/or Quantitative Development or low-latency performance optimization. You will be working on greenfield projects to build out and enhance their low latency trading systems. THE ROLE: Working in a fast-paced trading environment as a … tune trading strategies across both spot and derivative markets. Based directly on the trading floor, you will play a crucial role in enhancing execution logic, automating workflows, and ensuring performance at scale for a high-frequency, multi-exchange setup. You will focus on optimising every component of the trading stackincluding multi-threading, network communication, order processing, and execution logicto … achieve ultra-low latency and high throughput. Robust monitoring, alerting, and performance tracking ensure system reliability. The team has deep expertise in trading protocols, messaging systems, network architectures, and concurrent computing to support a complex, high-frequency trading landscape. KEY RESPONSIBILITIES: Build and refine algorithmic trading models for use across various digital asset exchanges Improve and maintain dynamic hedging More ❯

effectively and adhere to architectural standards. API Development & Management: Designing, developing, and deploying APIs using API gateways and management platforms. This involves establishing proper authentication, authorization, and versioning protocols. Performance Optimization: Monitoring and tuning existing integration processes and APIs to ensure high availability, performance, and reliability. 3. GOVERNANCE & STANDARDS The architect establishes the rules and best practices that More ❯

effectively and adhere to architectural standards. API Development & Management: Designing, developing, and deploying APIs using API gateways and management platforms. This involves establishing proper authentication, authorization, and versioning protocols. Performance Optimization: Monitoring and tuning existing integration processes and APIs to ensure high availability, performance, and reliability. 3. GOVERNANCE & STANDARDS The architect establishes the rules and best practices that More ❯

the-box capabilities, integrations, and strategic customizations. Technical Advisory & Governance: Act as a subject matter expert and technical advisor to clients and internal teams, providing guidance on platform capabilities, performance optimization, security, and scalability. Establish technical governance to ensure solution integrity. Requirement Analysis & Solution Design: Collaborate with business stakeholders to gather and analyze complex requirements, translating them into comprehensive … leveraging various integration methods (e.g., REST, SOAP, JDBC, MID Server). Technical Oversight & Quality Assurance: Provide technical oversight to development teams, ensuring adherence to architectural patterns, coding standards, and performance best practices. Participate in code reviews and ensure solution quality. Prototyping & Demonstrations: Lead the creation of technical prototypes and conduct demonstrations of proposed ServiceNow solutions, showcasing platform capabilities and … addressing client requirements. Performance Tuning & Optimization: Identify and address performance bottlenecks, ensuring the scalability and optimal performance of ServiceNow applications. Advanced Scripting & Development: Possess expert-level experience with ServiceNow scripting (Server-side JavaScript, GlideRecord, GlideSystem, UI Policies, Business Rules, Client Scripts, Script Includes) and the development of custom applications. Agile Leadership: Guide agile development teams from a More ❯