176 to 200 of 319 Performance Tuning Jobs in England

and non-technical audience Independent and self-driven learner, able to step outside of their area of expertise Python; we work with asyncio, SQLAlchemy, FastAPI, Pydantic, NumPy, Pandas SQL; performance tuning, schema design, monitoring in production, we mainly work with PostgreSQL Experience with transformer LLMs - attractive, nice to have Cloud (AWS) deployments and monitoring, basic networking and security … individuals with experience taking a new product to market, eager to contribute to a dynamic and growing team. We offer a competitive salary, along with employee stock options and performance-based bonus. Our benefits include private health insurance and a dedicated learning budget to support your professional development. This role is on-site at our offices in 30 Churchill More ❯

technology enthusiast to join its Quant team. This role involves hands-on technical knowledge within an engineering team who are responsible for the development/maintenance of a high-performance trading and research infrastructure. In the role you will contribute to the design and maintenance of the firm's extensive compute infrastructure. This encompasses operating system platforms, software development … tooling, high-performance computing, networking, and storage for research and trading. You will engage in a wide range of technology initiatives, examples include workload scheduling design and implementation. Fleet management, clustered file system design and operation, software design and life cycle (SDLC), kernel and network performance tuning for low-latency and high-throughput applications, and metrics collection More ❯

how we build, test, and operate infrastructure software. This is not a "stay in your swim lane" role. You'll question assumptions, challenge complexity, and help drive a high-performance culture. You'll be trusted to bring clarity where there's ambiguity, and momentum where there's inertia.This role includes participation in an on-call rotation -we believe in … Cilium, Kyverno, KEDA, Gateway API, OPA, or similar technologies. Experience building and running multi-tenant SaaS platforms . Exposure to on-prem delivery models or regulated environments. Experience with performance tuning for large-scale data or compute workloads. Past success driving infrastructure transformation or decomposing legacy systems. Experience working with GPU infrastructure for training and inference. The talent More ❯

With a strong culture rooted in integrity, creativity, and technical excellence, they've become a trusted partner across global industries.In this role you'll take ownership of the reliability, performance, and deployment of React-based user interfaces used by clients around the world. You'll work very closely with SRE, DevOps, and Product Teams, and drive front-end observability … scale.The ideal candidate will be someone who combines deep React expertise with infrastructure awareness. Candidates must be comfortable working with Kubernetes, AWS, CI/CD tooling, and browser-level performance monitoring.This is a fantastic opportunity to play a leading role in building robust, scalable, and reliable front-end systems in a company that invests in both people and technology. … The Role: *Owning React application reliability, observability, and performance in production environments*Designing and managing CI/CD Pipelines for automation testing, canary deployments, and rollbacks*Optimising front-end delivery via CDN configuration, caching strategies, and real user monitoring (Datadog/Sentry)*Collaborate with platform and SRE teams to ensure seamless delivery of React applications on Kubernetes and AWS More ❯

a strong culture rooted in integrity, creativity, and technical excellence, they've become a trusted partner across global industries. In this role you'll take ownership of the reliability, performance, and deployment of React-based user interfaces used by clients around the world. You'll work very closely with SRE, DevOps, and Product Teams, and drive front-end observability … The ideal candidate will be someone who combines deep React expertise with infrastructure awareness. Candidates must be comfortable working with Kubernetes, AWS, CI/CD tooling, and browser-level performance monitoring. This is a fantastic opportunity to play a leading role in building robust, scalable, and reliable front-end systems in a company that invests in both people and … technology. The Role: *Owning React application reliability, observability, and performance in production environments *Designing and managing CI/CD Pipelines for automation testing, canary deployments, and rollbacks *Optimising front-end delivery via CDN configuration, caching strategies, and real user monitoring (Datadog/Sentry) *Collaborate with platform and SRE teams to ensure seamless delivery of React applications on Kubernetes and More ❯

SQL Server DBA with Azure experience. What were looking for: 3+ years' experience in SQL Serverwith hands-on Azure SQL Database administration Strong T-SQL (queries, stored procedures, indexing, performance tuning) Proven experience maintaining, optimising, and scaling production databases Knowledge of Azure Data Factory, Synapse Analytics is a plus Track record of working in or supporting SaaS or More ❯

engineers, and business stakeholders to deliver clean, reliable data. Supporting the migration of legacy systems to a modern Azure-based architecture Ensuring best practices in data governance, security, and performance tuning Requirements: Proven experience with Azure Data Services (ADF, Synapse, Data Lake) Strong hands-on experience with Databricks (including PySpark or SQL) Solid SQL skills and understanding of More ❯

years in analytics or data science roles focused on Finance (SaaS or usage based preferred). Deep hands on expertise withdbt(production grade models, testing, CI/CD) andSnowflake(performance tuning, RBAC, cost management). Advanced SQL + Python (pandas, scipy/statsmodels, or Prophet) for forecasting, scenario modeling, and statistical analysis. Strong grasp of SaaS/cloudunit More ❯

Data Solutions – Design, build, and operate cloud-native, high-throughput data pipelines and services, ensuring availability, scalability, cost-efficiency, and security. Champion Engineering Excellence – Enforce clean code, rigorous testing, performance tuning, and secure-by-design standards; continuously improve team practices. Drive Delivery – Elicit requirements, lead decision-making sessions, and coordinate with platform, infrastructure, and security teams to deliver More ❯

and manage identity and access controls using Azure AD, RBAC, and least-privilege principles. Integrate observability and monitoring solutions (e.g., Azure Monitor, Log Analytics) to support operational visibility and performance tuning. Collaborate with security and compliance teams to ensure alignment with governance, policy-as-code, and regulatory standards. Design and support hybrid network architectures, including VPNs, ExpressRoute, NSGs, vWAN More ❯

solid approach to debugging and refactoring. Ability to work in a fast-paced environment with evolving requirements. Strong analytical skills and attention to detail. Interest in software optimisation and performance tuning. An understanding of SQL and document databases. Collaborative mindset with excellent communication skills. You will be someone who's actively curious about how AI can enhance your work More ❯

solid approach to debugging and refactoring. Ability to work in a fast-paced environment with evolving requirements. Strong analytical skills and attention to detail. Interest in software optimisation and performance tuning. An understanding of SQL and document databases. Collaborative mindset with excellent communication skills. You will be someone whos actively curious about how AI can enhance your work - keen More ❯

Elastic Search. Strong understanding of scalable architecture, design patterns, and system security. Hands-on experience with agile methodologies and trunk-based development. Solid expertise in database modeling, optimization, and performance tuning, specifically PostgreSQL. Hands-on experience with event-driven queuing services (AWS SNS, Kafka, or similar). Experience with LLMs and AI Agents Experience with building resilient and … high-performance backend architectures (e.g., REST APIs, microservices). Nice to have Certifications in AWS Solutions Architecture, Docker, or Agile methodologies. Experience with GraphQL and additional modern frameworks (e.g., NestJS). Exposure to low-code platforms (e.g., Retool) for rapid application development. Experience in DevOps practices, including infrastructure-as-code (IaC), monitoring, alerting, and incident management. Familiarity with observability More ❯

enjoy balancing being hands-on, leading by example, with helping shape strategic direction? Do the challenges that come of driving technical, business, and cultural change to improve the reliability, performance, and efficiency of one of the largest cloud providers excite you? The Amazon Managed Operations (MO) organization was founded in April 2023, with the objective to reduce operational load … engineering projects. MO is building the best-in-class engineering and operations team that will own the day-to-day operations for Amazon Regions; improving the availability, reliability, latency, performance and efficiency to operate Amazon regions. Amazon is looking for a highly motivated Principal Systems Development Engineer to drive technical operational efficiency across Amazon. This role will tackle intrinsically … solutions for their cloud services. A day in the life You'll balance your time between operating production systems and making long-term improvements to the reliability, availability, and performance of those software systems. An example week could look like: Monday you provide meaningful feedback on the most critical upcoming change whilst guiding the most senior technical talent in More ❯

cloud platform, ideally AWS Working knowledge of infrastructure tooling e.g. Docker, Kubernetes Some experience with simple front end development, e.g. React Strong experience working with PostgreSQL or similiar, including performance tuning and query optimisation (Desirable) Experience working in fintech (Desirable) Experience in API-driven SaaS. Ideally you would be: Confident, and able to take initiative in a delivery … focused environment Able to learn quickly in a dynamic fast-paced industry Enjoy working as part of a high-performance team Hard-working, innovative and taking pride in their work Passionate about creating innovative solutions for customers What makes Bondsmith unique Early-stage startup: You will join an early-stage startup with less than 50 members. This means you More ❯

Our continual innovation is fueled by the bold ideas, fresh perspectives, and passionate voices our teams bring to everything we do. 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 … one modern programming language such as Java, Typescript, Python, or Ruby Able to troubleshoot at all levels, from network to operating systems to software applications • Experience operating, troubleshooting, and performance tuning software applications and optimizing fleet utilization. • Strong understanding of network fundamentals (DNS, DHCP, TCP/IP, routing, load balancing, load shedding). PREFERRED QUALIFICATIONS • Experience leading strategic … system tasks in Bash, Python, etc. • Proficient in operating 24x7 high-availability, distributed software applications Desire to dive deep into, and find opportunities to improve, the reliability, availability, and performance of distributed software systems Amazon is an equal opportunities employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on More ❯

ll lead the enablement of Arm's most advanced architectural features across compilers, operating systems, tools, and first-party applications. Your work will ensure that our customers extract maximum performance and value from Arm-based platforms, and you'll do so by guiding both internal engineering efforts and strategic customer relationships. This is more than a technical leadership role … boundaries, and pushing industry standards forward. Responsibilities: Drive end-to-end enablement of innovative Arm architecture features across the compiler, OS, and broader software stack-turning hardware innovation into performance uplift. Translate microarchitectural insights into real software strategies, in close collaboration with hardware and architecture teams. Develop and optimize backend compiler components, including instruction selection, vectorization, and code generation. … Analyze and tune performance across diverse workloads, benchmarks, and platforms. Lead the design and implementation of both general-purpose and target-specific compiler optimizations. Act as a strategic technical partner to customers, identifying high-value engineering opportunities that align business and technical goals. Represent the compiler and architecture team in technical customer engagements, providing deep architectural and compiler insight. More ❯

Execution: Run scripts (primarily SQL/DB scripts) to support application functionality, perform data fixes, and maintain system integrity. Database Administration: Carry out basic database admin tasks, including backups, performance monitoring, and routine maintenance. Documentation: Create and maintain documentation for supported applications, scripts, and processes. Continuous Improvement: Identify opportunities to improve system performance or simplify support processes. Skills … SQL skills, with the ability to write and execute complex queries and scripts. Experience working with relational databases (preferably Microsoft SQL Server). Previous exposure to DBA tasks (backups, performance tuning, troubleshooting) is highly desirable. Excellent communication skills and ability to work with non-technical users. Self-starter with a keen interest in understanding business operations and systems. More ❯

infrastructure, platform, or SRE roles Deep hands-on experience with Rancher (RKE2/K3s) in production environments Proficient with Terraform, Helm, Argo CD, Python, and/or Go Demonstrated performance tuning in bare-metal Kubernetes environments (UCS, VxLAN, MetalLB) Expert in Linux systems (systemd, networking, kernel tuning), Kubernetes internals, and container runtimes Real-world application of SRE More ❯

database languages. Collaborate with cross-functional teams to implement new features or enhancements. Support testing, debugging, and troubleshooting of existing software applications. Maintain and evolve existing codebases based on performance analysis or changing requirements. Follow and promote software development best practices including: Coding standards Code reviews Source control (e.g., Git) Build and CI/CD processes Automated and manual … or more of the following languages: Python, C++, Java, C#, or similar. Experience with software development tools and practices (e.g., Git, Jenkins, Docker, Jira). Strong debugging, troubleshooting, and performance tuning skills. Understanding of object-oriented and/or functional programming principles. Familiarity with Agile methodologies and version control workflows. Ability to interpret and translate complex system requirements More ❯

with planning, management and resource allocation of inter-departmental projects alongside the company's PM team. Oversee incident management, root cause analysis, and rapid resolution of system outages or performance degradation. Ensure compliance of company procedures such as change management, patch management and security and audit processes. Assist in the maintenance of these procedures. Support regular security audits and … 7+ years Linux system administration experience with at least 3 years in a managerial or team lead role. Strong expertise with RHEL-based systems, including installation, ongoing management, monitoring, performance tuning, system security hardening, etc. Proven track record of managing geographically distributed teams, including senior engineers and tier-1/2 support staff including on-call and rota More ❯

with planning, management and resource allocation of inter-departmental projects alongside the company’s PM team. Oversee incident management, root cause analysis, and rapid resolution of system outages or performance degradation. Ensure compliance of company procedures such as change management, patch management and security and audit processes. Assist in the maintenance of these procedures. Support regular security audits and … 7+ years Linux system administration experience with at least 3 years in a managerial or team lead role. Strong expertise with RHEL-based systems, including installation, ongoing management, monitoring, performance tuning, system security hardening, etc. Proven track record of managing geographically distributed teams, including senior engineers and tier-1/2 support staff including on-call and rota More ❯

project design, modelling, validation, and deployment. Conduct deep dives into driving signals, develop hypotheses, and evaluate their predictive power for risk. Design technical solutions with clear trade-offs around performance, scalability, and maintainability. Collaborate closely with data engineers, software engineers, mobile developers, and PMs to deliver production-grade features. Mentor data scientists, set high standards for technical quality, and … production-grade data science or engineering solutions, including design, implementation, and deployment Strong proficiency in Python and SQL, with practical experience in designing and implementing efficient data pipelines, including performance tuning and optimization. Proven ability to apply machine learning techniques to real-world problems. Familiarity with core libraries such as Pandas, NumPy, Scikit-learn, SciPy, and Polars is More ❯

and deploy web applications using ASP.NET Core and nopCommerce. Customise and extend nopCommerce functionality through plugin development and theming. Integrate third-party APIs, payment gateways, and shipping providers. Optimise performance, security, and scalability of nopCommerce implementations. Collaborate with UI/UX designers to implement responsive and user-friendly interfaces. Participate in planning and coding reviews. Troubleshoot, debug, and resolve … Experience using Git and working in a CI/CD environment. Desirable: Experience with nopCommerce multi-store and multi-vendor configurations. Exposure to Azure and Docker. Experience with nopCommerce performance tuning and caching strategies. Knowledge of SEO best practices and accessibility standards. Location: Hybrid working - mainly from home, with quarterly travel to Southampton for project reviews and company More ❯

and deploy web applications using ASP.NET Core and nopCommerce. Customise and extend nopCommerce functionality through plugin development and theming. Integrate third-party APIs, payment gateways, and shipping providers. Optimise performance, security, and scalability of nopCommerce implementations. Collaborate with UI/UX designers to implement responsive and user-friendly interfaces. Participate in planning and coding reviews. Troubleshoot, debug, and resolve … Experience using Git and working in a CI/CD environment. Desirable: Experience with nopCommerce multi-store and multi-vendor configurations. Exposure to Azure and Docker. Experience with nopCommerce performance tuning and caching strategies. Knowledge of SEO best practices and accessibility standards. Location: Hybrid working - mainly from home, with quarterly travel to Southampton for project reviews and company More ❯