201 to 225 of 470 Performance Tuning Jobs in England

functional requirements that make or break them. Data Engineering Depth: Strong command of Spark, SQL and Python, data modelling, streaming and batch patterns, performance tuning, and engineering practice (version control, testing, automated deployment). Engineering Leadership: Demonstrable experience leading teams of engineers — technically and as people ...

evolve monitoring and alerting solutions that improve visibility, reduce toil, and strengthen system health. Continuously drive reliability improvements across our environments through incident reduction, performance tuning, and building resilient patterns. Partner with Security teams to ensure our platforms meet compliance, security, and risk‐management expectations. Lead seamless handovers ...

pipelines using PySpark, SQL, and Delta Lake. Mentor and guide junior data engineers, promoting best practices in code quality, CI/CD, and performance tuning. Collaborate with data architects, analysts, and stakeholders to translate business requirements into technical data solutions. Ensure data security, governance, and quality standards are maintained ...

influence the design of secure, scalable, and resilient infrastructure while cultivating top engineering talent. What You’ll Do: Architect and design scalable, resilient, high‐performance backend systems and platforms in AWS, prioritizing reliability, security, and cost efficiency. Contribute hands‐on to key initiatives—including design reviews, prototyping, coding, performance tuning, and debugging—typically 30% of your time, while mentoring engineers and establishing high standards. Lead cross‐team technical initiatives; drive design forums, establish engineering guardrails, and ensure high‐quality delivery via code reviews and automation. Partner closely with Product, Design, Data Science, and Platform teams to define ...

operational priorities Respond to technical portions of RFPs, RFIs, and security questionnaires in collaboration with internal stakeholders Support customer evaluations by addressing architecture, performance, Oracle-to-PostgreSQL and other migration paths, application compatibility, extension strategy, security, integration, operational support, and long-term maintainability questions Act as a trusted advisor … Advise on PostgreSQL enterprise support, incident and escalation handling, patch and minor-version maintenance, extension and tooling assessment, backup and recovery strategy, high availability, performance engineering, security, and operational readiness for production workloads Collaborate with Product and Product Marketing to communicate field feedback, market needs, and competitive insights Work ...

best practices covering model deployment, monitoring, CI/CD, automation, and governance. Ensure solutions meet enterprise standards for security, reliability, scalability, and performance. Conduct performance tuning, observability monitoring, and root cause analysis for production systems. Provide technical leadership, mentoring, and support for AI engineering best practices across delivery … communication skills. Desirable Skills: Experience within financial services, banking, insurance, or other regulated industries. Expertise in GenAI, Gemini, and Open-Source LLMs, including fine-tuning and onboarding. Strong experience in Python, RAG, ADK/MCP, APIs, and microservices .Skilled in GCP, MLOps, CI/CD, Docker, Kubernetes, and scalable ...

development using PL/SQL Strong SQL skills and experience using tools such as SQL Developer, Toad or SQL*Plus Experience writing complex and performance-focused SQL queries Experience debugging and performance-tuning PL/SQL Experience with ETL processes and data extraction/transformation/loading ...

enhance UNIX/Linux shell scripts to automate operational tasks. Work closely with project teams to deliver infrastructure improvements and technical solutions. Monitor system performance, availability, and security across the Linux estate. Produce and maintain technical documentation, procedures, and support guides. Participate in out-of-hours maintenance and project … develop and maintain high-quality UNIX shell scripts. Experience troubleshooting and supporting complex multi-platform UNIX/Linux infrastructures. Strong understanding of Linux server performance tuning, patching, and system maintenance. Experience working within managed service and operational support environments. Strong analytical and problem-solving skills. Excellent communication ...

contract opportunity based in London, with hybrid working requiring 2-3 days per week in the office. You'll be responsible for database design, performance, security, resilience and cost optimisation, while working closely with external suppliers to deliver reliable and well-observed production services. Key Skills: Strong production experience … with NoSQL databases, including data modelling, indexing and performance tuning AWS Lambda and API Gateway SQS, SNS and EventBridge AWS services including Step Functions TypeScript/Node.js, Python or Java Terraform, CloudFormation or AWS CDK CloudWatch monitoring, logging and observability Database resilience, backup, restore and recovery CI/ ...

interested in applying for this job, please make sure you meet the following requirements as listed below. You'll be responsible for database design, performance, security, resilience and cost optimisation, while working closely with external suppliers to deliver reliable and well-observed production services. Key Skills: Strong production experience … with NoSQL databases, including data modelling, indexing and performance tuning AWS Lambda and API Gateway SQS, SNS and EventBridge AWS services including Step Functions TypeScript/Node. xehkeey js, Python or Java Terraform, CloudFormation or AWS CDK CloudWatch monitoring, logging and observability Database resilience, backup, restore and recovery ...

networking and data communication technologies. The ideal candidate will be responsible for designing, implementing, optimizing, and supporting complex network infrastructures while ensuring high availability, performance, scalability, and security. The role requires close collaboration with infrastructure, security, cloud, and operations teams to deliver reliable and efficient networking services. In this … matter expertise for LAN, WAN, WLAN, SD-WAN, VPN, and Data Center networking technologies. Lead network transformation and modernization initiatives. Perform network capacity planning, performance tuning, and optimization. Troubleshoot complex network issues and drive root cause analysis. Collaborate with Infrastructure, Security, Cloud, and Application teams to ensure seamless ...

networking and data communication technologies. The ideal candidate will be responsible for designing, implementing, optimizing, and supporting complex network infrastructures while ensuring high availability, performance, scalability, and security. The role requires close collaboration with infrastructure, security, cloud, and operations teams to deliver reliable and efficient networking services. In this … matter expertise for LAN, WAN, WLAN, SD-WAN, VPN, and Data Center networking technologies. Lead network transformation and modernization initiatives. Perform network capacity planning, performance tuning, and optimization. Troubleshoot complex network issues and drive root cause analysis. Collaborate with Infrastructure, Security, Cloud, and Application teams to ensure seamless ...

engineering and cloud-based data processing. Strong understanding of Apache Spark and distributed data processing systems. Experience designing, developing, and maintaining scalable and high-performance ETL/ELT data pipelines . Experience in data ingestion, transformation, integration, and processing from multiple data sources. Experience working with structured, semi-structured … such as JSON, logs, PDFs, and other file formats . Strong knowledge of relational and non-relational databases. Experience in data quality checks, validation, performance tuning, and optimization. Analytical & Problem-Solving Skills Strong ability to perform deep-dive data analysis and troubleshoot complex data-related issues. Proven experience ...

looking for an experienced SQL DBA to join a growing team supporting critical SQL Server environments. You'll be responsible for ensuring database availability, performance, security, and resilience across enterprise systems. Key Responsibilities: Administer and support Microsoft SQL Server environments. Manage backup, recovery, and disaster recovery processes. Optimise database … performance and resolve issues proactively. Maintain high availability solutions and ensure system resilience. Implement security best practices and database governance. Automate database administration tasks using T-SQL and PowerShell . Monitor database health, capacity, and performance. Provide operational support and incident resolution. Key Skills Required: Strong SQL Server ...

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 ...

enterprise search solutions using Elasticsearch and Azure AI Search. Define Elasticsearch cluster architecture, index mappings, aggregation queries and lifecycle strategies. Improve search relevance, indexing performance, query latency and platform resilience. Build Azure AI Search solutions using indexers, custom skillsets, vector search and semantic ranking. Develop responsive, search-focused applications … experience At least 10 years of software engineering or solution architecture experience. Deep, hands-on Elasticsearch expertise covering cluster architecture, mappings, aggregations, Lucene internals, performance tuning and snapshot/restore. Extensive production experience with Azure AI Search, including indexers, custom skillsets, vector search and semantic rankers. Strong JavaScript ...

enterprise search solutions using Elasticsearch and Azure AI Search. Define Elasticsearch cluster architecture, index mappings, aggregation queries and lifecycle strategies. Improve search relevance, indexing performance, query latency and platform resilience. Build Azure AI Search solutions using indexers, custom skillsets, vector search and semantic ranking. Develop responsive, search-focused applications … experience At least 10 years of software engineering or solution architecture experience. Deep, hands-on Elasticsearch expertise covering cluster architecture, mappings, aggregations, Lucene internals, performance tuning and snapshot/restore. Extensive production experience with Azure AI Search, including indexers, custom skillsets, vector search and semantic rankers. Strong JavaScript ...

actively engaged in technical solutioning and development.* Ensure alignment of data models and reports with business KPIs, regulatory requirements, and financial planning processes.* Perform performance tuning of large datasets, ensuring efficient queries and faster reporting outputs.* Work with cross-functional teams (Finance, IT, Data Governance, Architecture) to ensure … data sources. Should have hands on experience on modeling for FI(GL,AP,AR,AA, and CO) processes.* Strong grasp of data governance, lineage, performance optimization, and data security concepts.* Proven ability to design and implement end-to-end analytics solutions from requirements gathering to production rollout.* Excellent communication ...

artefacts and architecture documentation (including ADRs) Make key technical decisions across persistence, messaging, caching, and integration patterns Ensure solutions meet non-functional requirements including performance, scalability, availability, and security Troubleshoot and resolve complex system issues, including concurrency, bottlenecks, and integration failures Systems Integration Own and define integration patterns between … technical authority in client workshops, design reviews, FAT/SAT, and commissioning phases Provide support during go-live activities, including system tuning, troubleshooting, and stabilisation Collaborate with delivery and project teams to ensure integration success Maintain a calm, solution-focused approach in high-pressure live environments Technology Strategy & Governance ...

Design, build and optimise ETL/ELT data pipelines across multiple data sources Write and optimise complex SQL queries , including joins, window functions and performance tuning Translate business requirements into reliable, auditable datasets Perform data mining, reconciliation and root-cause analysis across complex data sources … rules and operational runbooks Lead technical workshops around systems, data flows and root-cause analysis Strong hands-on SQL skills, including advanced querying and performance optimisation Commercial Data Engineering experience within complex enterprise environments Strong experience designing and developing ETL/ELT pipelines Data warehouse and/or domain ...

Operations Engineers. Set clear goals, priorities, and expectations for the team. Manage workload and resource allocation across the team. Support regular 1:1s, performance reviews, and development plans. Build a collaborative team culture focused on ownership and accountability. Operational Ownership & Reliability Own the reliability, performance, and availability … environments (NVIDIA GPUs, InfiniBand/RDMA, parallel file systems). Scripting skills in Python and/or Bash for automation and tooling. Understanding of performance tuning for HPC/GPU systems. Experience with CI/CD pipelines and modern DevOps tooling. Background designing or improving on‐call rotations ...

incidents; drive post-mortems Harden infrastructure for HIPAA compliance — encryption, access controls, audit logging, and network security Partner with engineering teams to optimize system performance, cost, and scalability Grow the SRE practice: runbooks, incident response playbooks, chaos engineering, and reliability reviews Location Remote (US). … voice, streaming, or similar) AWS certifications (Solutions Architect, DevOps Engineer, or SysOps) Experience with multi-region or active-active deployment architectures Database administration or performance tuning experience #J-18808-Ljbffr ...

better future. Through our recruitment, career development and employee-focused programming, we are committed to fostering a welcoming and inclusive work environment where high-performance talent of diverse backgrounds, experiences, and perspectives can build careers within this exciting and growing industry. Job Description Summary Ares is seeking an Assistant … microservices-based architectures. Contribute to technical roadmaps and platform modernization initiatives. Evaluatenew technologies, frameworks, and development patterns. Ensure solutions meet requirements for scalability, performance, resiliency, security, and maintainability. Application Development & Technology Delivery Develop capabilities across credit deal management platforms, portfolio management solutions, credit analytics platforms, workflow automation solutions, investment ...

cause analysis on data discrepancies and integration/processing failures; deliver clear ad hoc analysis to support decision-making. Support database maintenance (integrity checks, performance tuning, backups, access administration) in coordination with engineering. Support data migrations and integrations by validating mapping, conversions, and file processing, documenting issues … data analyst, business intelligence, or analytical role. Strong SQL skills across relational databases, plus working knowledge of database maintenance concepts (data integrity, performance, access controls). Proficiency with a BI tool (Power BI, Tableau, or Looker) and advanced spreadsheet skills (Excel or Google Sheets). Solid grasp of data ...

established a robust technical, secure foundation using modern open-source, cloud-native technologies. Now we’re ready to scale – expanding capability, automation and performance as we grow our client base, which comprises several enterprise customers and a long tail of smaller organisations. If you want to build meaningful tech … distributed systems running across a hybrid estate. Configure and secure infrastructure across major cloud providers (GCP, AWS, Azure). Contribute to platform observability, monitoring, performance tuning and optimisation. Work with SUSE’s technology stack including Leap Micro , Uyuni , and SaltStack . Collaborate with internal and external technical partners ...