126 to 150 of 267 Performance Tuning Jobs in London

You1;ll be working on a distributed, event-driven platform responsible for processing billions of market data messages per day. This is a high-performance environment where reliability, scalability, and correctness are essential. Our platform acts as the backbone of the business, ensuring that accurate and timely market data … highly available systems. Define and manage infrastructure using Terraform. Implement CI/CD pipelines and deployment workflows using tools like Harness. Optimise systems for performance, latency, throughput, and cost. What We1;re Looking For Excellent collaboration and communication skills. Strong experience in distributed systems and event-driven architectures. Hands ...

shares our fundamental belief in the transformative power of digital assets. The Team: CoinDesk Data Engineering The CoinDesk Data Engineering Team builds the high‐performance infrastructure that powers the world’s most trusted crypto market data, architecting resilient systems that process over 26 billion monthly requests for real‐time … curiosity and ownership. Champion Cross‐Cutting Initiatives: Identify and lead engineering‐wide improvements in areas like observability, developer tooling, and testing strategies to increase performance and reliability across all services. What You’ll Bring Principal‐Level Experience: 8+ years in backend development, with a proven track record ...

month contract with a top-tier global financial services firm. You'll join a forward-thinking data engineering team focused on building scalable, high-performance data platforms that power analytics and automation. This is a hands-on role with a focus on Snowflake development, cloud infrastructure, and orchestration. What … data solutions using Snowflake Design and automate ETL/ELT pipelines with Airflow or Dagster Implement and manage infrastructure as code using Terraform Drive performance tuning, cost optimisation, and platform scalability Collaborate closely with data scientists, engineers, and stakeholders to deliver robust solutions What You’ll Need Strong ...

Fleet: Ensure the rock-solid reliability of our existing RDS footprint. You will architect automated strategies for seamless, multi-version upgrades and proactive performance tuning to minimize downtime across hundreds of instancesArchitect Cross-Cloud Portability: Use CNPG and cloud-native patterns to ensure our database layer remains provider … GCPEvolve Observability & Monitoring: Build deep, proactive monitoring and alerting for our global database fleet. You will ensure we have the visibility to detect performance regressions and health issues before they impact our customersSupport Replication & Mobility: Support data streaming and "Zero-Downtime" migration strategies, ensuring data consistency and availabilityFortify Business ...

solid understanding of networking, storage, and automation within enterprise-scale environments. Key Responsibilities Design, implement, and manage VMware-based virtual infrastructure, ensuring high availability, performance, and scalability. Administer VMware vSphere, ESXi hosts, vCenter, and associated tools to maintain a stable and secure environment. Manage and optimize virtual networking, storage … Azure). Collaborate with cross-functional teams to ensure robust infrastructure alignment with business needs. Maintain documentation, adhere to best practices, and participate in performance tuning and capacity planning. Required Skills & Experience Minimum 5 years of continuous UK residency . 5+ years of proven experience in VMware infrastructure ...

planning and execution of LLM initiatives and translating research requirements into scalable engineering solutions.Partner with centralised infrastructure teams to design and deliver high-performance compute environments across AWS and on-premises platforms, including GPU infrastructure, Slurm clusters, and migration from ad hoc research workflows.Optimise LLM training and inference workloads … supporting research and product teams in maximising performance, scalability, and reliability across the infrastructure stack.Establish and maintain model and data lifecycle capabilities, including dataset versioning, lineage tracking, reproducibility standards, and integration with model registries.Lead the evolution of knowledge graph infrastructure, driving technology selection, migration strategies, performance optimisation ...

scalable event-driven architectures utilizing Apache Kafka and Apache Flink for real-time risk data streaming. API & Integration Engineering: Design, implement, and maintain high-performance RESTful APIs and gRPC services for seamless cross-system and frontend-backend communication. Cloud & DevOps Integration: Deploy, scale, and manage cloud-native applications … Domain Alignment: Partner with quantitative analysts, risk officers, and product owners to translate complex risk management requirements into technical implementations. System Optimization & Reliability: Conduct performance tuning, memory profiling, and multithreading optimizations; troubleshoot and resolve production incidents to uphold high availability. Quality & Compliance: Maintain high code quality through rigorous ...

time). Coach and develop team members to deliver quality results and promote professional development. People Development Mentor and coach team members through formal, performance evaluation methods and informal, individual feedback opportunities. Collaborate and share knowledge. Practice Development Contribute to practice growth through recruitment, training, and retention. Provide insight … processing layers (batch and real‐time). Define and enforce data governance, stewardship, and lineage practices to ensure traceability, auditability, and compliance. Drive performance tuning, system testing (unit → integration → UAT → parallel), and deployment to production environments ensuring operational readiness. Mentor junior EDM consultants and contribute to implementation best ...

with Kafka concepts (producers, consumers, topics) and ability to integrate with streaming data pipelines. Solid understanding of data modelling , ETL/ELT processes, and performance optimization. Programming & Engineering Skills Proficiency in Python for data engineering tasks and automation. Ability to design and implement scalable, maintainable data pipelines . Experience … cloud-native environments and following security/compliance standards. Nice-to-Have Exposure to streaming data architectures and event-driven systems. Knowledge of Snowflake performance tuning and cost optimization. If you find this opportunity intriguing and aligning with your skill set, we welcome the submission of your ...

full lifecycle delivery, including estimation, design, development, testing, release, and production support.* Diagnose and resolve complex issues across development, QA, and production environments, including performance and concurrency‐related issues.* Participate actively in code reviews, design discussions, and technical forums, contributing to continuous improvement.* Provide technical guidance and mentoring … communication.* Familiarity with Linux environments, build tools, version control systems, and automated testing frameworks.* Experience with modern engineering practices such as CI/CD, performance tuning, and observability.* Exposure to cloud platforms and open‐source technologies, and integrating them into enterprise systems.* Strong understanding of the full software ...

complex data lineages easy to understand for everyone in the organization. Responsibilities Own and Administer Snowflake: Manage the end-to-end Snowflake environment, including performance tuning, RBAC security modeling, cost optimization, user permissions, and compute management. Architect dbt Foundations: Lead the development of our dbt project, establishing standards … Analytics Architecture or Data Engineering, with a proven track record of owning a cloud data warehouse at scale. Mastery of Snowflake architecture, administration, and performance optimization. Advanced proficiency in dbt (Core or Cloud), including experience with macros, packages, and complex DAG management. Demonstrated success working within a distributed team ...

master system. In addition to designing and implementing robust data architectures. The successful candidate will lead the security master development team, overseeing the quality, performance, and scalability of the teams’ deliverables. Key Responsibilities – Data Architecture and Design: Lead the design and implementation of the enterprise data architecture, ensuring alignment … Azure) and big data technologies (e.g., Kafka, Spark, Databricks, Snowflake). Expert-level knowledge of building ETL processes in Python. Expert-level knowledge of performance tuning and optimization in a Python/SQL Server environment This role offers highly competitive compensation as well as a flexible hybrid working ...

hands-on experience with reporting and low-code platforms.Responsibilities: Database & Data EngineeringDesign and own the Snowflake data architecture — data models, schemas, warehouses, RBAC, and performance — as the foundation for analytics and applications across the firm.Write and optimize complex SQL for extraction, transformation, validation, and ad-hoc analysis against Snowflake … will possess the following:6+ years of experience in data engineering, application development, or analytics rolesDeep Snowflake expertise — data modelling, schema and warehouse design, performance tuning, and RBAC/governance — with advanced SQL, including complex queries and stored proceduresWorking knowledge of full-stack development, building data- and business ...

best practices across the organisation, leading technical evaluations with internal and external partners.Champion FinOps principles to drive significant cloud cost optimisation and guide performance tuning of distributed systems.Architects and governs agentic AI-enabled engineering workflows (using enterprise-authorized tools within the work environment) to improve delivery speed, code … application resiliency, and secure delivery (e.g., SLSA framework and GitOps).Deep experience with Observability and Monitoring tools (e.g., Prometheus, Grafana, OTEL).Expertise in performance optimisation of distributed systems (e.g., caching, network latency).Practical experience with Service Mesh technologies (e.g., Istio, Linkerd, Cillium).Demonstrated success in Mentorship and Coaching both ...

best practices across the organisation, leading technical evaluations with internal and external partners. Champion FinOps principles to drive significant cloud cost optimisation and guide performance tuning of distributed systems. Architects and governs agentic AI-enabled engineering workflows (using enterprise-authorized tools within the work environment) to improve delivery … resiliency, and secure delivery (e.g., SLSA framework and GitOps). Deep experience with Observability and Monitoring tools (e.g., Prometheus, Grafana, OTEL). Expertise in performance optimisation of distributed systems (e.g., caching, network latency). Practical experience with Service Mesh technologies (e.g., Istio, Linkerd, Cilium). Demonstrated success in Mentorship ...

best practices across the organisation, leading technical evaluations with internal and external partners. Champion FinOps principles to drive significant cloud cost optimisation and guide performance tuning of distributed systems. Architects and governs agentic AI-enabled engineering workflows (using enterprise-authorized tools within the work environment) to improve delivery … resiliency, and secure delivery (e.g., SLSA framework and GitOps). Deep experience with Observability and Monitoring tools (e.g., Prometheus, Grafana, OTEL). Expertise in performance optimisation of distributed systems (e.g., caching, network latency). Practical experience with Service Mesh technologies (e.g., Istio, Linkerd, Cilium). Demonstrated success in Mentorship ...

evolution of deployment pipelines and system reliability across our monorepos and legacy platform (CircleCI, NX, Docker)Guide AWS cloud strategy - hosting, networking, scalability, performance, and cost-efficiency across production environmentsOversee Infrastructure as Code practices (e.g. Terraform) and ensure environments are consistent, auditable, and secureShape monitoring, observability and alerting across … fast-growing, regulated environmentsProven experience leading or acting as technical lead for a platform or operations teamStrong AWS infrastructure experience, including cost optimisation, performance tuning, and production troubleshootingProficiency with Infrastructure as Code tools such as OpenTofu, Terraform, or Cloud formation (OpenTofu preferred)Expertise in observability - monitoring, logging, alerting ...

tests (unit/integration) and ensure strong quality gates for services supporting regulated digital asset processing.Support production readiness: observability (logs/metrics), incident triage, performance tuning, and resilience improvements for APIs operating in a regulated, high‐availability environment.Collaborate across teams to drive clear API contracts and dependencies … enterprise Java or platform backends.About State StreetAcross the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success.We ...

deployment, management and optimisation of secure, highly available and scalable cloud infrastructure. Strong expertise in Azure Monitor , including monitoring strategy, log analytics, alerting, performance tuning and proactive incident management across cloud platforms. Extensive experience with Azure DevOps , delivering CI/CD pipelines, release automation, source control management ...

integrations, file-based integrations, and event-driven integrations. Debug and resolve integration failures, working through logs, error notifications, and monitoring dashboards within OIC. Support performance tuning of integration flows to optimize throughput and reliability. Assist in configuring and maintaining Oracle PaaS components (Visual Builder, API Platform, Autonomous Database ...

Strong SQL writing skills and data analysis using SQLPlus/Toad/SQL developerExperience writing complex and optimal SQL queriesExperience in debugging and performance tuning PL/SQL code Experience in Oracle Forms 12c (Oracle Fusion Middleware) Experience with ETL processing, data extraction, transform and load Working knowledge ...

align data strategy with business objectives and communicate across all stakeholder levelsSnowflake platform expertise - Deep hands-on experience with Snowflake architecture, data sharing, Snowpark, performance tuning, and cloud ecosystem integration Must be eligible for SC clearance Nice to Have: Presales & business development experience - Track record supporting opportunity qualification ...

integrations.Experience with frontend/backend systems, infrastructure, and enterprise monitoring tools(desirable)Ability to influence technical direction and set coding and design standards.Excellent troubleshooting, performance tuning, and root-cause analysis skills.Experience working with cross-functional teams including architects, business analysts, testers, and vendors.Behaviours and AttributesProactive, resourceful, and self ...

Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence … critical. You will design and build ultra-low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance critical environments and want your work to have real market impact, we would love to hear from you. Please note that this ...

highly skilled IT infrastructure team, you’ll take ownership of complex Oracle database environments, Linux and AIX administration, and the ongoing stability and performance of critical banking applications including Oracle Flexcube and Oracle ERP.If you enjoy solving complex technical challenges, working across high-availability environments, and contributing … within mission-critical banking environmentsManaging and maintaining Red Hat Linux and IBM AIX server infrastructure hosting core banking applicationsPerforming database and OS patching, upgrades, performance tuning and capacity optimisationSupporting Oracle Flexcube and Oracle ERP platforms to ensure high availability and operational resilienceImplementing and managing Oracle backup and recovery ...