151 to 175 of 240 Performance Tuning Jobs in the South East

the Global QA teams in the use of the testing framework Document usage of the testing framework Qualifications/Experience: Extensive experience with Python (3.x), including multi-threading and performance tuning Knowledge/Experience of implement software using the FIX protocol Knowledge/Experience of implement software using Java (Spring framework) Knowledge of the cash equities trading area … Cucumber, JIRA, Bamboo and/or Jenkins is an advantage Experience with Unix or Linux scripting Experience with testing frameworks, including Agile Development Techniques, Unit/System Testing and Performance Testing Experience with C++ include templates and generics an advantage Additional Skills: Must be able to perform well under pressure and deliver to tight deadlines Collaborative and adaptable. Be More ❯

is essential to this role. Knowledge and use of other DB platforms (MariaDB, etc) desirable. It would be great if you had: Database Administration (SQL Proficient) Database Security Database Performance Tuning Backup & Recovery Clearance: SC minimum/DV (or willing to undergo) Desirable skills: High Availability and Disaster Recovery Database Security Auditing Security Best Practices Ability to troubleshoot More ❯

who analyzes and develops enterprise technology solutions. Regularly leads in the technical assessment and delivery of specific technical solutions to the customer. Provides a team structure conducive to high performance and manages the team lifecycle stages. Coordinates implementation of new installations, designs, and migrations for technology solutions in one of the following work domains: networks, applications or platforms. Provides … advanced technical consulting and advice to others on proposal efforts, solution design, system management, tuning and modification of solutions. Provides input to the company strategy moving forward. Collects and determines data from appropriate sources to assist in determining customer needs and requirements. Responds to requests for technical information from customers. Develops customer technology solutions using various industry products and … broad understanding of market dynamics, an industry area, commercial issues, and technical concerns whilst maintaining depth in core focus area. Skills: Ability to develop solutions that enhance the availability, performance, maintainability, and agility of a particular customer's enterprise. Has contributed to the design and application of new tools. Ability to re-use existing experience to develop new solutions More ❯

Platform (GCP) services (e.g., Cloud Functions, Pub/Sub, IAM) Experience with DevOps tools and CI/CD pipelines: GitHub/GitLab, Terraform, CLI, Ansible Strong debugging, testing, and performance tuning skills Nice to Have: Experience with event-driven architecture and message queues (e.g., Pub/Sub, Kafka) Familiarity with observability tools (e.g., Prometheus, Grafana, Stackdriver) Understanding of More ❯

This role ensures our trading systems remain highly available, scalable, and robust, supporting a fast-paced environment. Responsibilities: Develop scalable tools for automation, deployment, and infrastructure management. Enhance system performance, reliability, and efficiency through automation. Manage AWS infrastructure, ensuring smooth configuration and deployment. Implement observability tools for monitoring and debugging. Ensure fault tolerance, redundancy, and high availability of trading … infrastructure for C++ and Rust-based trading systems, ensuring seamless integration. Qualifications: Strong programming skills in Python; ability to read C/C++ code. Expertise in Linux systems and performance tuning. Experience with AWS or on-premise deployment and configuration. Proficiency in monitoring, logging, and alerting solutions. Understanding of networking fundamentals, including TCP/IP and system optimization. Experience … with scripting languages such as Python or Bash. Nice to Have: Knowledge of Infrastructure as Code (IaC) tools like Terraform or Ansible. Experience in low-latency or high-performance environments. Proactive problem-solving skills and team collaboration. We seek talented engineers passionate about automation and reliability, thriving in a high-performance environment, working across development, trading, and infrastructure More ❯

experience is essential to this role. Knowledge and use of other DB platforms (MariaDB, etc) desirable. What you will be doing: Database Administration (SQL Proficient). Database Security. Database Performance Tuning. Backup & Recovery. Clearance:SC minimum/DV (or willing to undergo). It would be great if you had: High Availability and Disaster Recovery. Database Security Auditing. Security … benefits fund Although this role is advertised as full-time, we believe that flexibility at work can promote work/life balance, increase your motivation, reduce stress and improves performance and productivity. We support different ways of working and can offer a range of flexible working arrangements. So, if you’re interested and need to work flexibly, we encourage More ❯

optimise their backend services. This is a hands-on role with scope to take ownership across the full software lifecycle; from design and development to testing, deployment, and ongoing performance tuning. You’ll be working as part of a cross-functional team alongside product managers, designers, and engineers across the stack. The engineering culture is pragmatic, fast-paced, and … What you’ll do: Collaborate with product and design teams to define and implement technical solutions Write clean, efficient, and reusable code to support long-term platform evolution Optimise performance and ensure reliability of backend systems Contribute to testing, CI/CD workflows, and release processes Stay current with modern backend practices and bring ideas to the table Benefits More ❯

Engineer Location: London/hybrid Salary: Up to £280k base + Benefits Our client is a global leader focused on delivering mission-critical, low latency infrastructure solutions for high-performance trading environments. They are looking for a highly skilled Platform Specialist to join their talented team and ensure the highest levels of availability, performance, and security across their … low latency platform. In this role, you will: Design, document, and enhance platform services including servers, storage, and cloud infrastructure. Provide L3 escalation support to troubleshoot and remediate performance and availability issues. Collaborate with internal and external partners including network, application, quant, and business teams to deliver scalable solutions. Proactively identify potential system bottlenecks and implement performance tuning … differences (Intel, AMD, ARM). Automate operational workflows and scripting using Python, Rust, or Bash. The ideal candidate will have: 8+ years experience in Linux system operations, engineering, or performance tuning in enterprise or trading environments. Experience with High Performance Computing (HPC) Deep understanding of network protocols (TCP, UDP, multicast) and low latency networking principles. Hands-on More ❯

now scaling our operations in London. Our work environment rewards innovation, speed, and bold thinking. The role We’re hiring Senior and Staff Software Engineers to build the high-performance computing infrastructure that powers our OTPUs. This role involves rethinking how AI workloads are executed at speed and scale, focusing on software systems that run distributed, low-latency inference … hardware and ML teams to optimize every layer of the stack—from model representation and execution to data movement and scheduling. Your work may involve compiler techniques, systems-level tuning, or custom runtime design, playing a critical role in shaping our AI platform’s performance. Ideal candidates have experience in HFT, large-scale scientific compute, or AI infrastructure at … a serious scale. Responsibilities Design and build high-performance systems for AI/ML workloads across distributed compute clusters. Optimize for ultra-low latency and real-time inference at scale—profiling, tuning, and rewriting critical systems as needed. Identify and resolve performance bottlenecks across the stack, including model execution, scheduling, and hardware constraints. Collaborate with compiler engineers More ❯

now scaling our operations in London. Our work environment rewards innovation, speed, and bold thinking. The role We’re hiring Senior and Staff Software Engineers to build the high-performance computing infrastructure that powers our Optical Tensor Processing Units (OTPUs). This isn’t just about scaling models—it’s about rethinking how AI workloads are executed at speed … hardware and ML teams to optimise every layer of the stack—from model representation and execution to data movement and scheduling. Whether it’s through compiler techniques, systems-level tuning, or custom runtime design, you’ll play a critical role in shaping the performance layer of our AI platform. This is a role for engineers who think in … just model accuracy. If you’ve worked in HFT, large-scale scientific compute, or AI infrastructure at serious scale, we’d love to talk. Responsibilities Design and build high-performance systems for running AI/ML workloads across distributed compute clusters Optimise for ultra-low latency and real-time inference at scale—profiling, tuning, and rewriting critical systems More ❯

now scaling our operations in London. Our work environment rewards innovation, speed, and bold thinking. The role We’re hiring Senior and Staff Software Engineers to build the high-performance computing infrastructure that powers our Optical Tensor Processing Units (OTPUs). This isn’t just about scaling models—it’s about rethinking how AI workloads are executed at speed … hardware and ML teams to optimise every layer of the stack—from model representation and execution to data movement and scheduling. Whether it’s through compiler techniques, systems-level tuning, or custom runtime design, you’ll play a critical role in shaping the performance layer of our AI platform. This is a role for engineers who think in … just model accuracy. If you’ve worked in HFT, large-scale scientific compute, or AI infrastructure at serious scale, we’d love to talk. Responsibilities Design and build high-performance systems for running AI/ML workloads across distributed compute clusters Optimise for ultra-low latency and real-time inference at scale—profiling, tuning, and rewriting critical systems More ❯

now scaling our operations in London. Our work environment rewards innovation, speed, and bold thinking. The role We’re hiring Senior and Staff Software Engineers to build the high-performance computing infrastructure that powers our OTPUs. This role involves rethinking how AI workloads are executed at speed and scale, focusing on designing and implementing software systems for distributed, low … latency inference across clusters. Responsibilities Design and build high-performance systems for running AI/ML workloads across distributed compute clusters Optimize for ultra-low latency and real-time inference at scale—profiling, tuning, and rewriting critical systems as needed Identify and resolve performance bottlenecks across the stack, from model execution and scheduling to hardware-level constraints … LLVM or MLIR Work with hardware teams to ensure the software stack fully leverages the capabilities of our OTPU architecture Extend ML frameworks (e.g., PyTorch, ONNX, OpenXLA) to support performance-critical inference paths Lead design reviews, mentor engineers, and promote best practices in HPC and performance engineering Stay updated with new developments in AI infrastructure, compute systems, and More ❯

Social network you want to login/join with: Salary: Upwards from £120,000 per annum + performance-related bonus Location : London-based (hybrid), with flexibility for occasional travel to client sites. The Role We are seeking an experienced Mainframe Architect to lead the design, implementation, and modernisation of mission-critical mainframe solutions for high-profile clients. This role … is pivotal in bridging business requirements with cutting-edge technology, ensuring seamless integration, scalability, and performance across complex enterprise environments. As a Mainframe Architect , you will be responsible for crafting tailored mainframe database architectures, working closely with stakeholders to define solutions that align with both client needs and industry best practices. You will oversee the technical execution of projects … from inception to delivery, ensuring efficiency, security, and performance optimization. This is a strategic leadership role that requires both deep technical expertise and the ability to communicate complex solutions to technical and non-technical stakeholders alike. Key Responsibilities Define, design, and implement high-performance, scalable mainframe database solutions . Lead modernization initiatives , integrating mainframe databases into hybrid cloud More ❯

trading systems by building ultra-low-latency infrastructure, enhancing execution speed and ensuring robust system reliability. The ideal candidate will have deep expertise in C++, systems programming and high-performance computing. Key Responsibilities Design, develop, and optimize low-latency, high-performance trading infrastructure in modern C++ (latest standards) Implement efficient and scalable trading algorithms, order execution, and risk … management systems Optimize CPU performance, memory management, and multi-threaded applications . Work on low-level networking , including TCP/UDP performance tuning and kernel bypass techniques (AF_XDP, DPDK, or similar) Collaborate with quant researchers, traders, and infrastructure engineers to improve system performance Profile, benchmark, and debug real-time systems to minimize latency and maximize … Advanced proficiency in modern C++ (C++17/20) with strong systems-level programming skills Networking & Concurrency: Deep knowledge of TCP/UDP networking, multi-threading, and concurrency models Linux Performance: Strong background in Linux development, performance tuning, and system-level optimization Bonus Skills: Experience with kernel bypass (e.g., DPDK, AF_XDP), C# for trading infra, and familiarity More ❯

C++ Trading Platform Developer – High-Performance Crypto Trading Location: London One of the largest crypto-native algorithmic trading firms globally is seeking a C++ Developer to join its global trading platform team. The firm provides algorithmic liquidity across major crypto exchanges and supports some of the most innovative projects in DeFi and digital assets. As a C++ Developer … how C++ standard libraries work Experience with networking, memory models, CPU architecture, or assembly (a plus) Curious mindset with a desire to understand systems end-to-end Passion for performance tuning and building resilient infrastructure This opportunity offers a highly competitive compensation package and hybrid working model. More ❯

part of a cross-functional team including Back End and Front End Engineers, DevOps, Product Managers, and UX Designers. You will design and implement end-to-end solutions, ensuring performance, scalability, and maintainability across the stack. Key Responsibilities: Design, develop, and maintain scalable, robust full stack applications. Deliver high-quality, performant code with a focus on long-term maintainability. … Collaborate with cross-functional teams to define, build, and release new features. Identify and solve complex technical challenges at both the front-end and back-end levels. Contribute to performance tuning and optimisation across systems. Required Skills & Experience: Strong experience in C# and API development. Solid understanding of both front-end and back-end development, with the ability … deliver complete end-to-end solutions. Proficiency in JavaScript/TypeScript, HTML/CSS, and React. Experience with cloud platforms – Azure, AWS, or GCP. Strong focus on code quality, performance, and architectural best practices. Proven ability to solve complex engineering problems and improve system performance. Friendly, collaborative environment that encourages learning and professional growth Competitive salary up to More ❯

travel to Oxford or London. YOUR KEY SKILLS: Able to design, build, implement, manage and maintain MySQL databases in a Linux environment. Strong knowledge of MySQL database architecture queries, performance tuning and optimisation. Understanding of SQL Server, preferably in the context of having ported to MySQL. Knowledge of scripting languages (Python, Bash) for automation. APPLICATION: If you are More ❯

to define and build robust backend architectures. Work with Node.js and TypeScript to integrate backend services with modern web applications. Drive best practices around system design, code quality, and performance monitoring. Mentor junior engineers, providing technical guidance and support to ensure quality across the engineering team. What You’ll Bring: 5+ years of experience in backend development, with deep … architectures. Strong familiarity with cloud platforms, containerization (e.g., Docker, Kubernetes), and CI/CD pipelines. A passion for writing clean, maintainable code and delivering high-quality products. Experience in performance tuning, scalability, and systems optimization. Excellent communication skills and a collaborative mindset. What’s on Offer: Fully remote work with flexible hours to help you thrive no matter More ❯

to project development standards Develop, maintain robust, scalable and efficient software solutions using C# and .NET Collaborate with cross functional teams using agile Participate in code reviews, debugging and performance tuning Provide clear updates on progress against assigned tasks Ensure all work is implemented to defined acceptance criteria Contributing to code reviews and providing feedback which is constructive More ❯

to be: Equally comfortable leading and coding Strong on integration patterns and XML tech Confident translating specs into clean, documented solutions Experienced with agile teams, CI/CD, and performance tuning If you're a strong technical lead who still loves writing great code please apply #J-18808-Ljbffr More ❯

to be: Equally comfortable leading and coding Strong on integration patterns and XML tech Confident translating specs into clean, documented solutions Experienced with agile teams, CI/CD, and performance tuning If you're a strong technical lead who still loves writing great code please apply #J-18808-Ljbffr More ❯

across the global S/4HANA landscape. Partner with the BAU Basis team to manage installations, configurations, and system operations (S/4, Fiori, Solution Manager, etc.). Oversee performance tuning, system refreshes, client copies, and transport management. Support cutovers, go-lives, and hypercare activities. Define and maintain high availability, disaster recovery, and backup protocols. Collaborate with infrastructure … 10+ years in SAP Basis roles with at least two full S/4HANA implementations. SAP Certified Technology Associate (SAP Basis or HANA). Strong knowledge of SAP architecture, performance optimisation, and landscape transformation. Experience in agile or hybrid delivery models and global deployment environments. Confident working across complex, multi-instance SAP landscapes. Hands-on with Fiori, SAP Gateway More ❯

Visa sponsorship available * Fortnightly team dinners at customer restaurants * Proficient in TypeScript and NodeJS * Strong experience with containerised and serverless infrastructure (e.g. ECS, Lambda) * Confident working with GraphQL APIs , performance optimisation, and data design * Expertise in relational databases , especially PostgreSQL , including performance tuning * Exposure to or interest in AI technologies, including personal or side projects * PostgreSQL features More ❯

constraints Have a background in multi-threaded programming and a strong understanding of hardware/software interaction Are comfortable working “under the hood” and you are quite skilled in performance tuning (applications, Linux, socket I/O, etc.) and troubleshooting Have experience working with C++ libraries like STL and Boost Are up to date on the C++11/ More ❯

expertise in sap fico functionalities and processes 4. Collaborate with cross functional teams to ensure seamless integration of sap fico with other systems 5. Conduct system testing, troubleshooting, and performance tuning for sap fico solutions 6. Train end-users and provide postimplementation support and maintenance 7. Stay updated on industry trends and sap advancements to continuously improve processes More ❯