City of London, London, England, United Kingdom Hybrid / WFH Options
OP
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 ❯
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 ❯
Stevenage, Hertfordshire, South East, United Kingdom
Queen Square Recruitment Limited
days onsite per week Start: ASAP Duration: 6 - 12 months Rate: £540 per day, inside IR35 Were looking for an HPC Technical Lead with deep expertise in High-Performance Computing platforms , Docker containerization , Azure infrastructure , and Linux systems . This role is ideal for a technical leader who thrives in designing, building, and managing cutting-edge HPC environments. Key … systems planning, configuration, management, and maintenance . Ensure system security, scalability, and reliability across Azure and Linux infrastructures . Design, build, and optimize Docker containers , maintaining images, versions, and performance standards. Provide technical support, troubleshooting, and performance optimization across HPC environments. Collaborate with cross-functional teams to integrate DevOps, automation, and cloud best practices. Your Profile Essential Skills More ❯
days onsite per week Start: ASAP Duration: 6 - 12 months Rate: £540 per day, inside IR35 Were looking for an HPC Technical Lead with deep expertise in High-Performance Computing platforms , Docker containerization , Azure infrastructure , and Linux systems . This role is ideal for a technical leader who thrives in designing, building, and managing cutting-edge HPC environments. Key … systems planning, configuration, management, and maintenance . Ensure system security, scalability, and reliability across Azure and Linux infrastructures . Design, build, and optimize Docker containers , maintaining images, versions, and performance standards. Provide technical support, troubleshooting, and performance optimization across HPC environments. Collaborate with cross-functional teams to integrate DevOps, automation, and cloud best practices. Your Profile Essential Skills More ❯
days onsite per week Start: ASAP Duration: 6 - 12 months Rate: £540 per day, inside IR35 Were looking for an HPC Technical Lead with deep expertise in High-Performance Computing platforms , Docker containerization , Azure infrastructure , and Linux systems . This role is ideal for a technical leader who thrives in designing, building, and managing cutting-edge HPC environments. Key … systems planning, configuration, management, and maintenance . Ensure system security, scalability, and reliability across Azure and Linux infrastructures . Design, build, and optimize Docker containers , maintaining images, versions, and performance standards. Provide technical support, troubleshooting, and performance optimization across HPC environments. Collaborate with cross-functional teams to integrate DevOps, automation, and cloud best practices. Your Profile Essential Skills More ❯
communication skills. Able to take a concept from discussion to high-quality code delivery. Desirable Degree in Computer Science, Software Engineering, or related discipline highly desirable Experience in high-performance or complex systems. Familiarity with algorithmic analysis and performance optimisation. Work Arrangements Remote: or Hybrid your choice but you must be UK based. Inside IR35 contract. If you More ❯
South Yorkshire, Yorkshire, United Kingdom Hybrid / WFH Options
itecopeople
communication skills. Able to take a concept from discussion to high-quality code delivery. Desirable Degree in Computer Science, Software Engineering, or related discipline highly desirable Experience in high-performance or complex systems. Familiarity with algorithmic analysis and performance optimisation. Work Arrangements Remote: or Hybrid your choice but you must be UK based. Inside IR35 contract. If you More ❯
Trafalgar Talent is recruiting for a progressive, subscription-based tech company thats enhancing how users interact with web platforms through secure, high-performance solutions. As a Senior React Developer , you'll be pivotal in architecting, building, and optimizing advanced web applications using React and TypeScript. You'll take on complex engineering challenges, influence architectural decisions, and contribute directly to … Will Include: Designing and implementing scalable front-end solutions using React , TypeScript , and modern tooling (e.g. Redux, Webpack, Jest). Breaking down complex, ambiguous problems into clean, testable components. Performance tuningboost UI responsiveness, decrease load times, and streamline data management. Selecting and integrating third-party tools and libraries wisely, balancing trade-offs effectively. Understanding and debugging unfamiliar code quickly … and test coverage. Conducting thorough code reviews and mentoring junior engineers to elevate overall team quality. Advancing web security by proactively applying secure coding and privacy-first practices. Tracking performance metrics and monitoring application regressions. What Were Looking For: A minimum of 5 years experience with React and TypeScript , especially in performance optimization. Deep understanding of web architecture More ❯
commercial experience Knowledge of common Go routine and channel patterns, frameworks and tools Writing scalable, robust, testable, efficient, and easily maintainable code Translating software requirements into stable, working, high performance software Strong knowledge and experience with HTTP/networking/proxies Good skills in tracing and performance optimisations Ability to work with a large codebase/databases Advantageous More ❯
them once live. Collaborate with the platform engineering team developing a true CI/CD process. Ensuring everything you write is testable, whether this be unit, integration, UI or performance tests. Knowledge, Skills and Experience Essentials Significant commercial experience in .NET with C# Experience with N-Tier architecture/SOA Knowledge of relevant design patterns Excellent understanding of OOP … concepts Demonstrable experience of building Web Services, WebAPI and WCF Database experience, working with both SQL and NoSQL Expertise in performance optimization Source Control, must be confident using Git for all roles Experience working in an Agile or Kanban environment Knowledge of software and application design and architecture An excellent communicator, both verbal and written Hard working and willing More ❯
advisors to our customers, providing guidance on industry trends, emerging technologies, and innovative solutions, you will be responsible for leading the implementation process, ensuring adherence to best practices, optimizing performance, and managing risks throughout the project. These professional services engagements will focus on customer solutions such as Data and Business intelligence, machine Learning and batch/real-time data … including our Conversations on Race and Ethnicity (CORE) and AmazeCon (gender diversity) conferences, inspire us to never stop embracing our uniqueness. Mentorship & Career Growth: We're continuously raising our performance bar as we strive to become Earth's Best Employer. That's why you'll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you … project management experience - Proficiency in a wide range of AWS services (e.g., EC2, S3, RDS, Lambda, IAM, VPC, CloudFormation) - Experience with automation and scripting (e.g., Terraform, Python) - Expertise in performance optimization and cost management for cloud environments - Ability to manage multiple projects and priorities in a fast-paced environment - AWS Professional level certifications (e.g., Solutions Architect Professional, DevOps Engineer More ❯
Title: Senior Backend Engineer Location: Fully Remote (UK) Salary: £70,000 - £80,000 per annum (DOE) Are you a seasoned Backend Engineer with a passion for building scalable, high-performance systems? We're hiring a Senior Backend Engineer to join a cutting-edge UK-based tech company that's redefining how organisations manage distributed systems at scale. About the … Role As a Senior Backend Engineer, you'll take ownership of critical backend services, designing and maintaining distributed systems with a strong focus on performance, scalability, and reliability. You'll lead technical discussions, mentor junior engineers, and collaborate across teams to deliver robust, secure, and efficient solutions. Key Responsibilities Design, build, and maintain high-performance backend services using … Go. Develop and optimise RESTful APIs that power the platform and integrations. Lead architecture and implementation strategy discussions. Optimise system and database performance (schema design, query tuning, etc.). Ensure backend services meet security, compliance, and reliability standards. Mentor junior engineers and contribute to best practices and documentation. Collaborate with QA, DevOps, Product, and Technical Services teams. Stay current More ❯
Employment Type: Permanent
Salary: £70000 - £80000/annum Plus excellent benefits
product managers, UX designers, and development team leads to ensure seamless integration and delivery of front-end solutions. Establishing and enforcing architectural standards, ensuring adherence to best practices (including performance optimization, accessibility, and responsive design), and conducting regular reviews to maintain alignment with organizational policies. Evaluate and recommend latest technologies, tools, and frameworks to improve development process, performance, scalability, and maintainability. Ensure the security and compliance of UI components with industry standards and JPMC policies. Monitor and analyze UI performance metrics, identifying areas for improvement and implementing solutions. Required qualifications, capabilities, and skills Formal training or certification on architecture concepts and experience in UI development, with a focus on architecture and framework governance. Hands on strong 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 ❯
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 ❯
london (city of london), south east england, united kingdom
eTeam
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 ❯
critical thinking to complex challenges, proactively identify improvements, and contribute to the continued evolution of our platform. What you'll do: Design, build, and scale integrations between our high-performance distributed systems and third-party platforms. Contribute to new feature development, architectural improvements, and integration tooling enhancements. Maintain clean, high-quality, and well-documented codebases with a focus on … break down complex problems into actionable steps. Self-motivated, with the initiative to learn and adapt quickly in a rapidly evolving environment. Interest in ad tech, systems integration, and performance optimization. Collaborative, team-oriented mindset with a willingness to take ownership and drive projects to completion. At Quantcast, we craft offers that reflect your unique skills, expertise, and geographic … location. On top of a competitive salary, this position includes eligibility for a performance bonus, equity, and a comprehensive benefits package. Depending on your location, this may include generous vacation, medical, dental, and vision coverage, and retirement plans. For more details, visit our Careers page and see how we support our team. Please see the Applicant Privacy Notice for More ❯
features, campaigns, and experiments. Oversee smooth deployment processes and collaborate with DevOps/backend teams when needed. Keep an eye on modern frontend trends and push for improvements in performance, design, and user experience. About You: Strong experience in frontend development, with deep expertise in React/Next.js. Familiarity with Astro, Redis will be a plus. Experience working in … growth-focused or marketing tech environments. Solid understanding of modern web technologies, performance optimization, and SEO principles. Proven ability to implement animations, interactive experiences, and creative layouts. Hands-on experience with DevOps tools and practices (CI/CD, APIs, cloud hosting, etc.). Architectural leadership: ability to bring clarity to system design and development processes. Previous experience as a More ❯
JavaScript concepts (closures, promises, async/await) and modern ES6+ features React Core Concepts - Proficiency with hooks, context API, component lifecycle, state management (Redux/Zustand/Recoil), and performance optimization Modern Frontend Tooling - Experience with build tools (Webpack, Vite), package managers (npm, yarn), and testing frameworks (Jest, React Testing Library) Some other highly valued skills may include: TypeScript … in React applications for improved code quality and developer experience CSS-in-JS & Component Libraries - Experience with styled-components, Emotion, or Material UI/Chakra UI/Tailwind CSS Performance Optimization - Code splitting, lazy loading, memorization techniques, and Lighthouse/Web Vitals optimization You may be assessed on the key critical skills relevant for success in role, such as More ❯
Stevenage, Hertfordshire, South East, United Kingdom Hybrid / WFH Options
Certain Advantage
teams to ensure seamless integration and timing alignment between software and capture cards. Lead and contribute to system integration, verification, and testing at both component and system levels. Conduct performance analysis, debugging, and optimisation of real-time systems. Document architecture, interface definitions, and test procedures to support handover and formal test activities. Skillset/experience required: Extensive experience … custom state machines for test execution. Strong experience with integration, system test, and debugging complex interactions between software and hardware. Strong understanding of software design principles, memory management, and performance optimisation. Experience with version control systems (e.g., Git) and CI/CD Desirable Skills: Experience with SFPDP (Serial Front Panel Data Port) specifically in defence, aerospace, or data acquisition More ❯
into breakthrough success. About The Role We are seeking a highly skilled Mobile Software Engineer (Qt/QML) with expertise in WebAssembly (Wasm) to design, implement, and optimize high-performance, cross-platform applications. You will leverage your C++, Qt and Wasm expertise to build scalable and efficient solutions for modern web and mobile environments, collaborating with a dynamic team … to WebAssembly, enabling portable and efficient web-based applications. Collaborate with designers and developers to create interactive and visually engaging applications for modern web and mobile platforms. Optimize application performance, memory usage, and responsiveness across platforms, focusing on WebAssembly and Qt-based solutions. Troubleshoot and resolve issues related to WebAssembly execution, Qt integration, and cross-platform compatibility. Stay current … with advancements in WebAssembly, Qt, and modern development practices, applying innovative techniques to enhance application performance and usability. About You 5+ years of experience in C++ development with a focus on cross-platform engineering and mobile optimization. Hands-on experience with Qt and QML, including building and optimizing UI components for web and mobile platforms. Experience with compiling C++ More ❯
