C++ Engineer (GPU and Compute Architect focus) - HFT On behalf of a leading HFT firm, we are supporting the formation of a specialised performance engineering team focused on optimising the most compute-intensive R&D workloads. This role sits at the intersection of systems architecture, software engineering, and quantitative research, with a mandate to push the boundaries of throughput … latency, and resource efficiency across heterogeneous compute environments. This is an ideal opportunity for engineers with a background in GPU architecture , HPC systems , or semiconductor performancetuning to apply their expertise in one of the most latency-sensitive domains in tech. Core Responsibilities Architect and optimise distributed compute pipelines across CPU/GPU, memory, storage, and interconnects Profile … and tune performance of AI/ML, simulation, and research workloads across containerised environments Collaborate with Software and Infra teams to identify architectural bottlenecks and implement low-level improvements Evaluate and integrate HPC technologies to support scale-out and latency-sensitive workloads Required Skills 3 - 10 years of professional proficiency in Python and C++ Hands-on experience with GPU More ❯
london, south east england, united kingdom Hybrid / WFH Options
NonStop Consulting
Hybrid/On-site) Location: London, UK Type: Full-time | Permanent Salary: Competitive + equity + benefits Are you a seasoned Rust Engineer with a passion for building high-performance, reliable systems? We’re looking for an experienced Senior Rust Engineer to join our London team and take ownership of critical backend components that power our next-generation platform. … Mentor junior and mid-level engineers, sharing best practices in systems design and Rust development Collaborate with cross-functional teams to deliver scalable, secure, and fault-tolerant applications Drive performancetuning, code reviews, and architectural improvements across the stack What We’re Looking For 5–8+ years of professional software engineering experience 3–5+ years of hands-on … experience with Rust in production environments Strong understanding of systems programming , concurrency , networking , and low-level performance optimisation Experience with microservices , distributed systems , or blockchain technologies is highly desirable Familiarity with Linux systems , CI/CD pipelines , containerisation (Docker/Kubernetes) , and cloud infrastructure (AWS, GCP, or Azure) A pragmatic engineer who values clean code, testing, and long-term More ❯
slough, south east england, united kingdom Hybrid / WFH Options
NonStop Consulting
Hybrid/On-site) Location: London, UK Type: Full-time | Permanent Salary: Competitive + equity + benefits Are you a seasoned Rust Engineer with a passion for building high-performance, reliable systems? We’re looking for an experienced Senior Rust Engineer to join our London team and take ownership of critical backend components that power our next-generation platform. … Mentor junior and mid-level engineers, sharing best practices in systems design and Rust development Collaborate with cross-functional teams to deliver scalable, secure, and fault-tolerant applications Drive performancetuning, code reviews, and architectural improvements across the stack What We’re Looking For 5–8+ years of professional software engineering experience 3–5+ years of hands-on … experience with Rust in production environments Strong understanding of systems programming , concurrency , networking , and low-level performance optimisation Experience with microservices , distributed systems , or blockchain technologies is highly desirable Familiarity with Linux systems , CI/CD pipelines , containerisation (Docker/Kubernetes) , and cloud infrastructure (AWS, GCP, or Azure) A pragmatic engineer who values clean code, testing, and long-term More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
NonStop Consulting
Hybrid/On-site) Location: London, UK Type: Full-time | Permanent Salary: Competitive + equity + benefits Are you a seasoned Rust Engineer with a passion for building high-performance, reliable systems? We’re looking for an experienced Senior Rust Engineer to join our London team and take ownership of critical backend components that power our next-generation platform. … Mentor junior and mid-level engineers, sharing best practices in systems design and Rust development Collaborate with cross-functional teams to deliver scalable, secure, and fault-tolerant applications Drive performancetuning, code reviews, and architectural improvements across the stack What We’re Looking For 5–8+ years of professional software engineering experience 3–5+ years of hands-on … experience with Rust in production environments Strong understanding of systems programming , concurrency , networking , and low-level performance optimisation Experience with microservices , distributed systems , or blockchain technologies is highly desirable Familiarity with Linux systems , CI/CD pipelines , containerisation (Docker/Kubernetes) , and cloud infrastructure (AWS, GCP, or Azure) A pragmatic engineer who values clean code, testing, and long-term More ❯
impact tools that enhance productivity and support the business. What You'll BringProven experience with Microsoft 365 and Power Platform (PowerApps, Power Automate, Dataverse).Strong SQL skills for querying, performancetuning, and data migration.Knowledge of API integrations, Azure DevOps, and Application Lifecycle Management.Excellent communication and stakeholder management skills. More ❯
solutions. Optimize data workflows and ensure seamless integration with various data sources. Implement data governance and security best practices. Provide technical leadership and guidance to the development team. Conduct performancetuning and optimization of data processes. Skills required: Proven experience as a Data Architect working within Azure. Expertise in Azure Databricks and Azure Synapse. Strong understanding of Datamodelling More ❯
BI solutions Provide technical guidance to development and infrastructure teams Engage with stakeholders to translate business requirements into technical solutions Essential Skills & Experience SQL: Advanced database design, optimization, and performancetuning Virtual Machines: VM infrastructure design and management (VMware, Hyper-V, or cloud VMs) Qlik Replicate: Data replication solution design and implementation TIBCO DataPlane: Integration architecture experience Tableau More ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
Lorien
with Azure Familiarity with containerisation & orchestration (Kubernetes preferred) Good understanding of software architecture and clean code principles Comfortable working independently and as part of a collaborative team Experience with performancetuning and high-availability systems Familiarity with Agile/Scrum methodologies Benefits £60,000-£70,000 DOE Remote working with flexible hours 25+ days holiday + bank holidays More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Robert Half
their data requirements and support their work.* Collect, process, and transform datasets from various sources, ensuring data quality and integrity.* Optimise and maintain the organisation's Snowflake infrastructure, providing performancetuning, enhancements, and regular "MOT" checks.* Develop and maintain DBT pipelines, mainly on Snowflake, to enable efficient transformation and modelling of data.* Implement efficient data models and schemes More ❯
concept to delivery. • Provide technical leadership and mentor junior engineers • Collaborate with the engineering team and contribute to the overall design of the system. • Develop automated tests and conduct performancetuning • Contribute to code reviews Qualifications: Bachelor's degree in a technical field, computer science, software engineering or similar. 10+ years’ experience in software development, spanning backend, web More ❯
concept to delivery. • Provide technical leadership and mentor junior engineers • Collaborate with the engineering team and contribute to the overall design of the system. • Develop automated tests and conduct performancetuning • Contribute to code reviews Qualifications: Bachelor's degree in a technical field, computer science, software engineering or similar. 10+ years’ experience in software development, spanning backend, web More ❯
dashboard development, adding data module, building story using the functionalities of Cognos BI Analytics automating, bursting, creating reports view and using Event Studio to trigger report-running and distribution performance-tuning for speed of reports' delivery, troubleshooting and resolving issues security model using Active Directory, Kerberos and Cognos Cognos connection/portal, Cognos administration and content administration requirement More ❯
UX Front End Developer Sheffield Full time, Permanent. £35,000 - £50,000 DOE Monday – Friday We are hiring a UX Front-End Developer to help us deliver accessible, high-performance web applications. You’ll be part of a cross-functional product team, working closely with designers, back-end engineers, and stakeholders to bring designs to life and ensure smooth … clean and strongly typed API calls using Axios or Fetch. Implementing robust error handling and secure authentication flows. Delivering interfaces that comply with WCAG 2.1 AA standards. Achieving Lighthouse performance, accessibility, and best practice scores of 90% or above for every release. Taking part in daily stand-ups, sprint planning, demos, and retrospectives. Working closely with team members to … no manual steps. Reviewing pull requests thoroughly and constructively. Enforcing coding standards, type safety, and documentation. Hosting brown-bag sessions on best practices (e.g. Git workflows, VS Code tips, performancetuning). Supporting less experienced developers through guidance and feedback. Staying up to date with front-end frameworks, tools, and design system trends. Proposing practical improvements to enhance More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Robert Half
fuel AI and analytics initiatives. Partner closely with data scientists, analysts, and engineers to deliver clean, structured, and reliable data. Develop robust data transformations in Python and SQL, ensuring performance and accuracy. Work hands-on with Snowflake to model, optimise, and manage data flows. Continuously improve data engineering practices - from automation to observability. Bring ideas to the table: help … in data engineering or a similar role. Strong Python skills for data processing and pipeline development. Proven experience writing complex and efficient SQL. Hands-on Snowflake experience (data modelling, performancetuning, pipelines). Familiarity with orchestration tools (e.g., Airflow, dbt) is a plus. A solid understanding of data best practices, version control (Git), and CI/CD. Company More ❯
maintain scalable data pipelines to support manufacturing, quality, and supply chain data workflows. Implement and manage data transformation models using dbt to standardise and validate datasets. Optimise and monitor performance of Snowflake data warehouse environments. Collaborate with cross-functional teams (Data Scientists, Quality, Manufacturing, IT) to define data requirements and deliver reliable data solutions. Develop and maintain ETL/… or related field. 3-5+ years of experience as a Data Engineer, ideally in a pharmaceutical, biotech, or regulated manufacturing environment. Strong hands-on experience with: Snowflake (architecture, performancetuning, cost optimisation) DBT (model development, testing, documentation, deployment) SQL (advanced query optimisation and debugging) Experience with data integration and orchestration tools (Airflow, Dagster, Prefect, or similar). More ❯
london, south east england, united kingdom Hybrid / WFH Options
Natobotics
Experience working with Azure Data Factory (ADF). Experience with data modelling. Experience of working with a variety of stakeholders including product owners, delivery managers and architects. Experience with performancetuning and relational database design particularly in the development of business intelligence solutions. Experience with data migration strategies from on premise to cloud. Experience with Data Warehouse concepts. More ❯
Swindon, Wiltshire, England, United Kingdom Hybrid / WFH Options
Noir
Web Developer - SaaS - Swindon (Hybrid, 3 Days in Office) (Tech stack: Web Developer, .NET Framework, WebForms, ASP.NET MVC, React, TypeScript, SCSS, Accessibility, API Integration, Performance Optimisation, Testing, Front End Developer) Our client is an established technology business that builds and maintains sophisticated digital platforms used across multiple sectors. They're embarking on a major UI modernisation programme, evolving their … and error handling. Develop and maintain a reusable component library and manage CSS architecture, responsive layouts, and theming. Ensure accessibility and semantic HTML standards are met. Optimise front-end performance, applying modern best practices. Implement client-side authentication flows and manage secure sessions. Write and maintain front-end tests covering key user journeys. Own and maintain front-end tooling … state management. Deep understanding of HTML5, CSS3, modern JavaScript/TypeScript, responsive design, and browser behaviour. Hands-on experience with accessibility standards (WCAG), semantic markup, and ARIA. Knowledge of performancetuning techniques including lazy loading, code splitting, and asset optimisation. Experience consuming secure REST APIs from the browser. Familiarity with front-end testing frameworks such as Jest, React More ❯
South East London, London, United Kingdom Hybrid / WFH Options
Data Careers
or PL/SQL environments. Build and maintain REST and SOAP APIs , supporting seamless system integrations. Create and convert reports using RERX, ARC, and Xtra , applying best practices for performance and maintainability. Use scripting (PowerShell, Liquid) to automate processes and streamline delivery. Conduct system testing, performancetuning, and troubleshooting to identify and resolve complex technical issues. Support More ❯
support and maintenance for Unix and Linux environments (Solaris and Red Hat), ensuring high system availability, rapid issue resolution, and compliance with security standards. You’ll handle incident management, performancetuning, and patching, as well as contribute to documentation and knowledge sharing across the team. The role is based on-site in Barrow five days a week due … schedule to support critical operations. Key responsibilities Monitor, maintain, and troubleshoot Unix/Linux systems in production and development environments Apply regular patches and updates to ensure security and performance compliance Respond to alerts, incidents, and service requests, resolving technical issues within SLA Manage user accounts, permissions, and file systems Automate routine administration tasks using Bash or Python scripting More ❯
support and maintenance for Unix and Linux environments (Solaris and Red Hat), ensuring high system availability, rapid issue resolution, and compliance with security standards. You’ll handle incident management, performancetuning, and patching, as well as contribute to documentation and knowledge sharing across the team. The role is based on-site in Barrow five days a week due … schedule to support critical operations. Key responsibilities Monitor, maintain, and troubleshoot Unix/Linux systems in production and development environments Apply regular patches and updates to ensure security and performance compliance Respond to alerts, incidents, and service requests, resolving technical issues within SLA Manage user accounts, permissions, and file systems Automate routine administration tasks using Bash or Python scripting More ❯
support and maintenance for Unix and Linux environments (Solaris and Red Hat), ensuring high system availability, rapid issue resolution, and compliance with security standards. You'll handle incident management, performancetuning, and patching, as well as contribute to documentation and knowledge sharing across the team. The role is based on-site in Barrow five days a week due … schedule to support critical operations. Key responsibilities Monitor, maintain, and troubleshoot Unix/Linux systems in production and development environments Apply regular patches and updates to ensure security and performance compliance Respond to alerts, incidents, and service requests, resolving technical issues within SLA Manage user accounts, permissions, and file systems Automate routine administration tasks using Bash or Python scripting More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Techfellow Limited
world-leading quantitative trading firm in the search for an Experienced Software Developer/Engineer to join their OTC technology group in London. This team designs and develops high-performance trading platforms that span both OTC liquidity provision and on-venue execution, covering asset classes such as equities, FX, and crypto. Operating within a highly autonomous environment, the team … works closely with quants, risk and compliance stakeholders, and trading analysts to transform requirements into production-grade systems. With a focus on safety, performance, and velocity, this is a chance to contribute to the design of mission-critical infrastructure with a small, experienced group of engineers where impact is immediate and highly visible... Key Responsibilities Design, build, and maintain … quants, analysts, and compliance stakeholders to refine system requirements and deliver production-ready solutions Implement and optimise low-latency infrastructure, including network stack integration, thread-per-core architectures, and performancetuning Contribute to team-wide design discussions, code reviews, and continuous improvement initiatives Take ownership of projects across the full development lifecycle, from architecture through deployment and monitoring More ❯
london, south east england, united kingdom Hybrid / WFH Options
Techfellow Limited
world-leading quantitative trading firm in the search for an Experienced Software Developer/Engineer to join their OTC technology group in London. This team designs and develops high-performance trading platforms that span both OTC liquidity provision and on-venue execution, covering asset classes such as equities, FX, and crypto. Operating within a highly autonomous environment, the team … works closely with quants, risk and compliance stakeholders, and trading analysts to transform requirements into production-grade systems. With a focus on safety, performance, and velocity, this is a chance to contribute to the design of mission-critical infrastructure with a small, experienced group of engineers where impact is immediate and highly visible... Key Responsibilities Design, build, and maintain … quants, analysts, and compliance stakeholders to refine system requirements and deliver production-ready solutions Implement and optimise low-latency infrastructure, including network stack integration, thread-per-core architectures, and performancetuning Contribute to team-wide design discussions, code reviews, and continuous improvement initiatives Take ownership of projects across the full development lifecycle, from architecture through deployment and monitoring More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Techfellow Limited
world-leading quantitative trading firm in the search for an Experienced Software Developer/Engineer to join their OTC technology group in London. This team designs and develops high-performance trading platforms that span both OTC liquidity provision and on-venue execution, covering asset classes such as equities, FX, and crypto. Operating within a highly autonomous environment, the team … works closely with quants, risk and compliance stakeholders, and trading analysts to transform requirements into production-grade systems. With a focus on safety, performance, and velocity, this is a chance to contribute to the design of mission-critical infrastructure with a small, experienced group of engineers where impact is immediate and highly visible... Key Responsibilities Design, build, and maintain … quants, analysts, and compliance stakeholders to refine system requirements and deliver production-ready solutions Implement and optimise low-latency infrastructure, including network stack integration, thread-per-core architectures, and performancetuning Contribute to team-wide design discussions, code reviews, and continuous improvement initiatives Take ownership of projects across the full development lifecycle, from architecture through deployment and monitoring More ❯