401 to 425 of 838 Performance Tuning Jobs

Staff Infrastructure Engineer (GCP) - Engine by Starling

Location
Greater London, England, United Kingdom
case studies with Women in Tech. As a Staff Infrastructure Engineer, you will: Design, document, build and maintain scalable infrastructure on GCP Ensure the performance and reliability of cloud environments whilst measuring cost-effectiveness Embrace automation and be reluctant for manual implementation Build systems with security by design … Manager (EKM) and Secret Manager — including support for cryptographic key ceremonies Rapidly diagnose and fix client-reported infrastructure issues while maintaining peak security and performance Write clear technical documentation and host training sessions for the team Demonstrate knowledge of new technologies and changes in the industry Lead complex infrastructure ...

IT Database Engineer

Location
Greater London, England, United Kingdom
environment where you’ll be responsible for supporting, administering and securing critical production databases. You’ll play a key role in ensuring high availability, performance and resilience across the database estate while contributing to ongoing infrastructure and database projects. What we are looking for: 5 years + experience … production environment for below DB products is a plus but not essential: ClickHouse, snowflake, Basic understanding of DB monitoring, analysis, disaster recovery, and performance tuning Familiarity with UNIX/Linux Experience in one or more database programming languages (SQL, T-SQL, PL/SQL etc.) for design, maintain ...

Lead Engineer - Data / Java / Python

Location
Glasgow, Scotland, United Kingdom
work environment (e.g., for coding, test creation, troubleshooting, or documentation) with demonstrated ability to critically evaluate, validate, and refine AI-generated outputs for correctness, performance, and security Understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency … their IT systems Preferred qualifications, capabilities, and skills Experience with high-volume batch and real-time data processing using PySpark or similar frameworks, including performance tuning and troubleshooting of large-scale data pipelines In-depth knowledge of relational and distributed databases (e.g., Oracle, Databricks) with hands-on experience ...

Lead Software Engineer

Hiring Organisation
Hackajob Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
work environment (e.g., for coding, test creation, troubleshooting, or documentation) with demonstrated ability to critically evaluate, validate, and refine AI-generated outputs for correctness, performance, and security Understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency … their IT systems Preferred qualifications, capabilities, and skills Experience with high-volume batch and real-time data processing using PySpark or similar frameworks, including performance tuning and troubleshooting of large-scale data pipelines In-depth knowledge of relational and distributed databases (e.g., Oracle, Databricks) with hands-on experience ...

Lead Software Engineer- Python / Java- (Cloud Data Platform — AWS/Databricks/Terraform)

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
Implements a repeatable AI-assisted review workflow (PR checklist, quality gates, and approval criteria) that improves readability, reduces defects, and enforces standards for maintainability, performance, and security. Applies knowledge of tools within the Software Development Life Cycle toolchain, including enterprise-authorized AI-assisted development and automation capabilities, to improve … software development tools (e.g., for coding, code review, test acceleration, troubleshooting) with the ability to set team expectations for validating AI outputs for correctness, performance, and security. Defines a practical operating model for AI-assisted development (approved use cases, do/don't guidance, and escalation paths) so teams ...

Lead Software Engineer- Python / Java- (Cloud Data Platform — AWS/Databricks/Terraform)

Location
Greater London, England, United Kingdom
Implements a repeatable AI-assisted review workflow (PR checklist, quality gates, and approval criteria) that improves readability, reduces defects, and enforces standards for maintainability, performance, and security. Applies knowledge of tools within the Software Development Life Cycle toolchain, including enterprise-authorized AI-assisted development and automation capabilities, to improve … software development tools (e.g., for coding, code review, test acceleration, troubleshooting) with the ability to set team expectations for validating AI outputs for correctness, performance, and security. Defines a practical operating model for AI-assisted development (approved use cases, do/don’t guidance, and escalation paths) so teams ...

SQA DBA specialist

Hiring Organisation
Sanderson Government and Defence
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract
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 ...

Senior VMWare Engineer

Location
Greater London, England, United Kingdom
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 ...

Trade Floor Operations - FICC

Location
City Of London, England, United Kingdom
forestall future enhancements. Investigate, troubleshoot, and resolve Real Time production issues, working closely with traders, developers, and infrastructure teams. Ensure continuous system stability and performance across all FICC trading platforms, supporting both traders and institutional clients. Serve as the local subject matter expert for EMEA FICC trading infrastructure, owning … reduce manual intervention. Provide technical expertise on connectivity, data flows, and integration points between trading, pricing, and risk systems. Contribute to capacity planning, performance tuning, and resilience testing. Support global follow-the-Sun coverage and participate in on-call rotation as required. Required Skills and Experience: Tech ...

Fabric BI Developer MS Fabric Power BI Crewe 50k

Hiring Organisation
Langley James Limited
Location
Crewe, Cheshire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
insights clearly. Data Management & Optimisation: Utilise strong SQL skills for data manipulation, querying, and validation while implementing robust ETL/ELT processes and troubleshooting performance bottlenecks across datasets. Champion Data Governance: Ensure high standards of data quality, data integrity, security, and BI platform best practices across all deliverables. Continuous … operation, management, or usage of Microsoft Fabric to deliver data solutions. Advanced Power BI & SQL Skills: Expertise in DAX, Power Query, semantic modelling, report performance tuning, and writing complex SQL queries for data validation. Strong Stakeholder & Communication Skills: Confident in leading requirement workshops, pushing back constructively, and explaining ...

Full Stack Engineer

Hiring Organisation
Xcede
Location
London, United Kingdom
Employment Type
Contract
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 ...

Full Stack Engineer

Location
United Kingdom
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 ...

SAP Data & Analytics Lead

Location
Greater London, England, United Kingdom
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 ...

Software Architect WCS

Hiring Organisation
Computer Futures
Location
United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
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 ...

Software Architect - .NET / Warehouse Automation

Hiring Organisation
Computer Futures
Location
Nottingham, Nottinghamshire, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
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 ...

Data Engineer

Location
Greater London, England, United Kingdom
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 Engineering Manager (m/f/d)

Location
Greater London, England, United Kingdom
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 ...

Infrastructure / DevOps Engineer

Location
Birmingham, England, United Kingdom
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 ...

Associate Vice President, Credit Technology Engineering

Hiring Organisation
Ares Management
Location
London, UK
Employment Type
Full-time
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 DescriptionSummaryAres is seeking an Assistant Vice President … microservices-based architectures. Contribute to technical roadmaps and platform modernization initiatives. Evaluate new 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 ...

Data Analyst

Location
Greater London, England, United Kingdom
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 ...

Platform Engineer (Kubernetes/Cloud) Full-time (start asap) Remote or In-person London

Location
Greater London, England, United Kingdom
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 ...

Operations Engineering Lead

Hiring Organisation
Willis Towers Watson
Location
London, UK
Employment Type
Full-time
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 ...

Operations Engineering Lead

Hiring Organisation
WTW
Location
Greater London, United Kingdom
Employment Type
Full Time
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 environments Oversee Infrastructure as Code practices (e.g. Terraform) and ensure environments are consistent, auditable, and secure Shape monitoring, observability … growing, regulated environments Proven experience leading or acting as technical lead for a platform or operations team Strong AWS infrastructure experience, including cost optimisation, performance tuning, and production troubleshooting Proficiency with Infrastructure as Code tools such as OpenTofu, Terraform, or Cloud formation (OpenTofu preferred) Expertise in observability - monitoring ...

Data Analyst

Location
Biggin Hill, England, United Kingdom
ingestion processes using ELT methodologiesDesign and build scalable data pipelines and orchestration workflowsSupport data loading and change data capture processesMonitor data quality, integrity and performance across data platformsMaintain medallion architecture layers in a data lake to manage structured and semi-structured dataApply data modelling best practises to support enterprise … role it would be essential that you have :Proven experience in data activitiesExperience with Microsoft Fabric including Data Factory, OneLake, SparkKnowledge of DataFrames, Partitioning, Performance Tuning, Notebook Development, Spark SQL, Delta Tables, Data Modelling, Semantic ModelsGood customer service, communication and team working skillsSome desirable experience that ...

Oracle DBA

Location
Manchester, England, United Kingdom
Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements. With more than … business scope. Market Leadership - Be part of an industry-leading organization driving innovation and growth. Provides database engineering and administration for the migration - building, tuning and migrating databases (notably Oracle) into the cloud platform while protecting data integrity. Key responsibilities Build, configure and administer database environments on the target ...