76 to 100 of 109 Performance Optimisation Jobs in London

using Python (experience with Go, Rust, or C++ advantageous) Proven experience working with distributed systems at scale Strong understanding of system design, concurrency, and performance optimisation Experience with task scheduling, orchestration frameworks, or large-scale data processing systems Solid grasp of networking fundamentals and distributed system failure modes … environment Complex technical challenges that very few companies are equipped to tackle Highly competitive compensation and bonus structure Engineers who care deeply about craft, performance, and clean design Real ownership and influence over systems that operate at significant scale Technology that is not just current—but setting the pace ...

Ensure pipelines are auditable, lineage-aware, idempotent, and resilient in regulated environments. Implement robust data quality controls including testing, validation, monitoring, and alerting. Drive performance optimization across Spark and Snowflake workloads. Partner with Product, Engineering, DevOps, and Regulatory teams to translate requirements into scalable technical designs. Contribute … your partner, and your child(ren) Employee Assistance Program Enhanced parental leave (maternity & paternity) Professional qualification sponsorship Accelerated career progression based on performance, not tenure Holiday entitlement increases with tenure Flexible hours with core collaboration time Paid volunteering leave Gym & fitness discounts Quarterly socials, and office snacks & drinks Interest ...

/Infrastructure Engineer with strong CDN experience for a short-term freelance assignment. You will support a fast-moving technical environment, focusing on reliability, performance, scalability, and CDN-related optimisation. Key requirements: Strong hands-on experience with CDN technologies such as Akamai, Cloudflare, Fastly, CloudFront or similar Solid background … Site Reliability Engineering, Infrastructure, Platform Engineering or DevOps Experience with performance optimisation, caching, traffic routing, edge delivery, DNS, monitoring and incident response Comfortable working in high-availability, production-critical environments Able to work 2–3 days per week on-site near London Freelance availability for an initial ...

/Infrastructure Engineer with strong CDN experience for a short-term freelance assignment. You will support a fast-moving technical environment, focusing on reliability, performance, scalability, and CDN-related optimisation. Key requirements: Strong hands-on experience with CDN technologies such as Akamai, Cloudflare, Fastly, CloudFront or similar Solid background … Site Reliability Engineering, Infrastructure, Platform Engineering or DevOps Experience with performance optimisation, caching, traffic routing, edge delivery, DNS, monitoring and incident response Comfortable working in high-availability, production-critical environments Able to work 2-3 days per week on-site near London Freelance availability for an initial ...

/Architect to lead the end-to-end archiving strategy across a complex, high-volume SAP landscape. This role will focus on improving system performance, reducing data growth, ensuring regulatory compliance and supporting long-term SAP platform sustainability across ECC and S/4HANA environments. Responsibilities … business, audit and compliance needs Deliver hands-on configuration and execution using SARA, ADK, ArchiveLink and ILM Reduce database growth and improve system performance and storage efficiency Ensure readiness for audit, retention and regulatory requirements Work closely with Basis, Functional, Security and Audit teams Define governance standards, controls ...

/Architect to lead the end-to-end archiving strategy across a complex, high-volume SAP landscape. This role will focus on improving system performance, reducing data growth, ensuring regulatory compliance and supporting long-term SAP platform sustainability across ECC and S/4HANA environments. Responsibilities … business, audit and compliance needs Deliver hands-on configuration and execution using SARA, ADK, ArchiveLink and ILM Reduce database growth and improve system performance and storage efficiency Ensure readiness for audit, retention and regulatory requirements Work closely with Basis, Functional, Security and Audit teams Define governance standards, controls ...

development, testing, and maintenance of low-latency Java applications. - Collaborate with cross-functional teams to gather requirements and design system architecture. - Optimize application performance and troubleshoot latency issues. - Mentor junior developers and ensure adherence to best coding practices. - Participate in code reviews and provide constructive feedback. - Stay updated with … Science, Engineering, or a related field. - Proven experience in Java development, with a focus on low-latency systems. - Strong understanding of multithreading, concurrency, and performance optimization. - Experience with frameworks and libraries such as Spring, Hibernate, and Netty. - Familiarity with distributed systems and network protocols. - Excellent problem-solving skills ...

Defining and overseeing waterloop and pipework solutions, including system layouts and key components Acting as technical sign-off on designs, engineering changes, and system performance Collaborating with internal engineering teams to validate feasibility and optimise solutions Supporting estimating and pre-construction with high-quality, commercially aware technical input Providing … technical leadership during project delivery, including: Engineering changes and revisions Installation standards and best practice Performance optimisation Supporting commissioning, testing, and troubleshooting of systems Acting as the key technical interface between clients, engineering teams, and delivery functions The Person You are likely to be: A Lead Mechanical Engineer ...

teams to ensure design to run alignment. Reliability, Capacity & Resilience Design DC architectures for high availability, redundancy, DR, and fault tolerance. Support capacity planning, performance optimisation, and lifecycle management. Participate in failure analysis, RCA reviews, and corrective architecture enhancements. Ensure infrastructure designs minimise single points of failure. Operational ...

experience managing firewalls, network access controls, and secure network design principles. Proficiency with monitoring, automation, and configuration management tools. Solid understanding of network performance optimization across multi-OS and hybrid environments. Experience with scripting or automation workflows to streamline operational tasks. Excellent communication, documentation, and cross-functional collaboration skills. ...

datasets. • Manage and maintain Azure DevOps pipelines for deployment, version control, and CI/CD of risk-related scripts and data workflows. • Monitor system performance and troubleshoot issues related to data pipelines and deployments. • Ensure proper data governance, security, and compliance standards are applied. Required Skills & Experience: • Hands … Python/SQL for data engineering and scripting. • Familiarity with risk analytics environments or financial data. • Strong experience with Apache Spark (Spark Engine), including performance optimization and distributed data processing. • Strong experience ingesting data from diverse sources including relational databases, REST APIs, FTP/SFTP file feeds, and cloud ...

real-world AI. What You’ll Do: Design, build, and operate scalable multi-GPU infrastructure across cloud environments (AWS, GCP, etc.) Own the reliability, performance, and cost-efficiency of model training platforms Develop and maintain infrastructure-as-code and automation for provisioning, orchestration, and lifecycle management Build and evolve … schedulers - Volcano, Ray, etc.) Experience supporting ML workloads or training pipelines (PyTorch, TensorFlow, etc.) Experience with multi-cloud or hybrid cloud environments Background in performance optimization for training workloads Experience in robotics, simulation, or embodied AI systems What we offer: Competitive salary plus participation in our Stock Option Plan ...

Ensure pipelines are auditable, lineage-aware, idempotent, and resilient in regulated environments. Implement robust data quality controls including testing, validation, monitoring, and alerting. Drive performance optimization across Spark and Snowflake workloads. Partner with Product, Engineering, DevOps, and Regulatory teams to translate requirements into scalable technical designs. Improve engineering standards … your partner, and your child(ren) Employee Assistance Program Enhanced parental leave (maternity & paternity) Professional qualification sponsorship Accelerated career progression based on performance, not tenure Holiday entitlement increases with tenure Flexible hours with core collaboration time Paid volunteering leave Gym & fitness discounts Quarterly socials, and office snacks & drinks Interest ...

months rolling Location: London (Hybrid) Inside IR35 Job description As the Compute & Cloud Leader, you will be responsible for the operation, stability, and optimisation of enterprise compute platforms, spanning Cloud (primarily Azure), Linux, AIX, Windows, VMware, and Red Hat environments. You will lead a team of outsourced specialists … configuration standards across all compute environments. * Manage lifecycle activities, including End-of-Life (EoX) planning, upgrades, and migrations. * Oversee platform monitoring, capacity management, and performance optimisation. * Implement standard operating procedures and ensure consistency across compute services. * Collaborate with engineering and architecture teams to influence design for operability. * Drive automation ...

integrations (REST, SOAP, OAuth, SQL, message queues). Basic understanding of CSS, JavaScript, and relational databases (SQL Server, Oracle). Knowledge of application security, performance tuning, and scalable app design. Job Description: Mandatory Skills: OutSystems OutSystems Developer (Low-Code Orchestration) Role Overview The OutSystems Developer focuses on building scalable … Design workflow orchestrations, process automation, and data models. Develop logic, integrations, and reusable UI patterns and modules. Implement role-based access, security configurations, and performance optimisations. 2. Integration & API Management Integrate with backend systems (REST/SOAP APIs, databases, SAP, CRM). Build and maintain integrations ensuring reliability ...

like VLA. As a Staff Engineer, you will lead the design and evolution of our multi-GPU, cross-cloud platforms, driving architecture, reliability, and performance at scale. This role sits at the intersection of DevOps, MLOps, and distributed systems, enabling cutting-edge AI in real-world environments. What … scalable multi-GPU infrastructure across cloud environments (AWS, GCP, etc.) Own architecture and long-term technical direction of model training platforms Drive reliability, performance, and cost-efficiency at scale Define and implement best practices for infrastructure, DevOps, and MLOps across the organization Build and evolve infrastructure-as-code ...

processing and analysing live content in real time. As the platform scales, they’re hiring a Full-Stack Engineer to design and deliver high-performance systems across real-time data pipelines, modern frontend applications, and AI-enhanced product features. What You'll Do as a Full-Stack Engineer: Design … providers. Regular use of AI tools and coding assistants to increase development velocity and automate workflows. Strong engineering fundamentals including testing, documentation, security, and performance optimisation. Comfort working in fast-moving environments where ownership, clarity, and delivery are expected. Nice to Have’s as a Full-Stack Engineer: Experience ...

React , TypeScript , and Next.js . You’ll work across the full front‐end life cycle — from architecture and design collaboration, through to deployment and optimisation — delivering robust, performant, and accessible user interfaces. You’ll join a highly collaborative team where your voice will matter, and your work will … Build and maintain modern web applications using React , TypeScript , and Next.js . Translate UI/UX designs into responsive, accessible and high‐performance user interfaces. Collaborate strategically with backend engineers, product owners and designers to deliver end‐to‐end solutions. Write clean, tested, maintainable code and set best‐practice ...

ecosystem while also creating intuitive web applications where clients interact with their data using AI You will design, build, and maintain high-performance Excel Add-ins using TypeScript and Office.js, tailored for internal Microsoft 365 deployment. You will develop and scale web interfaces for our AI solutions, data visualization … data visualization, REST API integration, and responsive design principles Experience handling authentication flows (e.g., OAuth), and managing async data interactions. Strong understanding of frontend performance optimization, state management, and cross-environment compatibility Experience working in Agile teams, with a proactive and ownership-driven mindset Experience building and deploying Office ...

REST APIs and backend services Contribute to CI/CD pipelines and deployment processes Support production systems (L2/L3) including debugging, enhancements and performance optimization Write and maintain unit and integration tests . Ensure high code quality and test coverage Participate in code reviews and mentor junior developers … Python libraries (Pandas, NumPy) for data processing Experience building RESTful APIs/services (Flask/FastAPI/Django) Strong understanding of data structures and performance optimization Experience working with large-scale data processing and performance optimization Working knowledge of Unix/Linux environments and basic shell scripting Domain ...

REST APIs and backend services Contribute to CI/CD pipelines and deployment processes Support production systems (L2/L3) including debugging, enhancements and performance optimization Write and maintain unit and integration tests . Ensure high code quality and test coverage Participate in code reviews and mentor junior developers … Python libraries (Pandas, NumPy) for data processing Experience building RESTful APIs/services (Flask/FastAPI/Django) Strong understanding of data structures and performance optimization Experience working with large-scale data processing and performance optimization Working knowledge of Unix/Linux environments and basic shell scripting Domain ...

Optimization) Location: London, UK About the Client: We are partnering with an exciting, disruptive technology company working at the intersection of machine learning, high-performance computing, and GPU acceleration . The team builds performance-critical software that helps power the next generation of AI and data-driven applications … across industries such as autonomous systems, healthcare, and immersive gaming. Their mission is to push the boundaries of performance in ML and AI workloads using modern software engineering practices and cutting-edge hardware. This is a great opportunity for a junior engineer with a strong foundation in modern C++ ...

. Designing and maintaining efficient data pipelines and vector storage solutions using MongoDB Atlas Vector Search. Fine-tuning LLMs on custom datasets to enhance performance for specialized tasks related to our documentation and user support. Collaborating with our YOLO development team to explore and build innovative multi-modal solutions. … full RAG pipeline, including vector embeddings , rerankers , and data indexing in databases like MongoDB. Practical knowledge of LLM fine-tuning, prompt engineering, and performance optimization. Familiarity with MLOps principles and tools, including CI/CD with GitHub Actions . A strong interest in computer vision and an understanding ...

REST APIs and backend services Contribute to CI/CD pipelines and deployment processes Support production systems (L2/L3) including debugging, enhancements and performance optimization Write and maintain unit and integration tests. Ensure high code quality and test coverage Participate in code reviews and mentor junior developers where … Python libraries (Pandas, NumPy) for data processing Experience building RESTful APIs/services (Flask/FastAPI/Django) Strong understanding of data structures and performance optimization Experience working with large-scale data processing and performance optimization Working knowledge of Unix/Linux environments and basic shell scripting Domain ...

decisions within the team, ensuring solutions are scalable, maintainable, and align with long-term strategic goals. Champion best practices in areas like system design, performance, security, and operational excellence. About you: 5+ years of professional experience building web applications using Ruby, Rails, React, and TypeScript. Strong backend development skills … lead technical initiatives from concept to completion, often involving multiple team members or complex integrations. Well versed in production operations, incident response, and performance optimisation. You proactively identify and mitigate risks to ensure system stability and scalability. Benefits: Hybrid working: Split your week between home and the office, with ...