501 to 525 of 796 Permanent Performance Tuning Jobs

Senior SQL Server Developer — Data Warehouse & T-SQL Expert

Location
Glasgow, Scotland, United Kingdom
Server Developer for an engagement in Glasgow. You will work on SQL Server development using T-SQL, build and optimize data warehouses, and perform performance tuning. Experience in Financial Services or Wealth Management environments is highly desirable. The role is Inside IR35 and requires umbrella company engagement; occasional travel ...

Senior Cloud Data Warehouse Lead - Snowflake & Azure

Location
Runcorn, England, United Kingdom
warehouse projects and mentor developers across dispersed teams. Key platforms include Snowflake, Azure, SNP and Microsoft Fabric, with emphasis on data modeling, ETL and performance tuning. Strong English communication and stakeholder collaboration are essential. #J-18808-Ljbffr ...

Data Engineer

Hiring Organisation
HCLTech
Location
Cardiff, United Kingdom
with minimal help/guidance Good Understanding of Airflow,Data Fusion and Data Flow Strong Background and experience in Data Ingestions,Transformation,Modeling and Performance tuning. One migration Experience from Cornerstone to GCP will be added advantage Suppport the design and development of BigData echosystem Experience in building complex ...

Senior Business Intelligence Analyst

Location
Slough, England, United Kingdom
within their sector and an increasing focus on data-driven decision making. Data sits at the heart of their strategy, supporting product development, commercial performance, and operational effectiveness. With a collaborative data team and continued investment in modern analytics platforms, they are building a scalable, governed, and future-focused … initiatives, and reporting standards Acting as an escalation point for complex reporting and data challenges Collaborating with Data Engineers on data architecture, modelling, and performance optimisation Contributing to a major cloud migration programme and the wider modernisation of the analytics ecosystem Your Skills & Experience Strong commercial experience with Tableau ...

AI Platform Support Engineer (EMEA)

Location
Greater London, England, United Kingdom
guide customers through complex distributed systems problems.The problems range from Kubernetes scheduling and GPU orchestration to distributed PyTorch failures, inference latency, networking bottlenecks, storage performance, and platform reliability. You’ll gain exposure to a wide variety of real world AI workloads across industries and help shape the infrastructure powering … isolate root causes Debug containerized workloads running across Kubernetes and bare metal GPU environments Support customers scaling workloads across multi node GPU systems Diagnose performance bottlenecks involving compute, memory, networking, or storage Improve Reliability & Platform Operations Identify recurring patterns across customer issues and drive long term reliability improvements Contribute ...

Database Engineer- NoSQL & Oracle

Hiring Organisation
Pracyva ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £65000/annum
/SQL, stored procedures, functions, and packages. Build and maintain scalable data models, integrations, and ETL processes supporting enterprise applications. Perform database performance tuning, query optimization, and troubleshooting to ensure reliability and scalability. Collaborate with application teams to deliver secure, high-quality, and efficient database solutions. NoSQL Design … develop, and maintain scalable NoSQL database solutions using MongoDB, Cassandra, Couchbase, or similar technologies. Build high-performance data models and APIs to support distributed and real-time applications. Optimize indexing, query performance, replication, and data availability across large-scale environments. Collaborate with engineering teams to implement secure, reliable ...

Senior Front Office Software Engineer

Hiring Organisation
CMC Markets
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
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’ll 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 ...

Principal Software Engineer

Location
Waterbeach, England, United Kingdom
looking for a Principal Software Engineer to join the team. This role is central to ensuring the reliability, performance, and scalability of systems vital for public safety and essential services. You will act as a technical leader, mentoring other engineers and driving best practices across the development lifecycle. … Responsibilities Lead the architecture, design, and implementation of high-performance, resilient, and secure communication systems using C#/.NET. Develop robust, low‐latency applications that handle high-volume data traffic (e.g., messaging queues, real‐time data processing). Drive technical vision and strategy for the platform, ensuring alignment with ...

Senior Low-Latency Java Engineer - London

Location
City Of London, England, United Kingdom
technology operates at serious scale, with response times in the 10-100 microsecond range. We're looking for experience in: Modern Java and JVM performance optimisation Low-latency algorithmic trading systems Market data and back-testing/simulation tools Linux internals, system calls and kernel tuning TCP/… kernel-bypass technologies Event-driven or event-sourcing microservices Performance analysis and targeted optimisation Experience with KDB, Rust or C++ would be highly advantageous. London - hybrid working, with up to two days from home £Excellent basic plus strong bonus potential This is an excellent opportunity for someone who remains ...

Full Stack Software Engineer III - Java

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
code, and improving services built on microservices, Kafka/event-driven patterns, and CI/CD pipelines. You will troubleshoot complex production issues, drive performance and resiliency improvements, and automate recurring problems to strengthen operational stability. This role offers the opportunity to grow your technical influence, explore … scalable software that addresses ambiguous, multi-dimensional problemsOwn end-to-end engineering outcomes across design, build, test, release, and operate phases — ensuring security, resiliency, performance, and maintainability in productionSet a high bar for code quality by authoring secure production code, leading code reviews, and debugging complex cross-service issues ...

Software Engineer III - Fullstack (Java, React, Python and AI) Engineer

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
with product, marketing, and partners to translate requirements into well-designed technical solutionsImprove engineering excellence through code reviews, test automation, CI/CD, observability, performance tuning, and operational best practicesEnsure solutions meet security, privacy, and compliance expectations including consent management, data minimization, and access controlsRequired Qualifications, Capabilities … 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 ...

Senior Database Administrator (DBA)

Hiring Organisation
Barts Health NHS Trust
Location
London, E1 2BL, United Kingdom
Salary
£66274.00 to £73496.00
Team. In this role, you will be responsible for maintaining, configuring, optimising, and developing the Trust's database infrastructure. You will ensure the availability, performance, integrity, and security of all databases across the organisation. The ideal candidate will have strong experience in SQL Server database administration , including performance tuning, troubleshooting, maintenance, and database design. Experience with virtualisation technologies and their configuration is also essential. Proposed interview date 10/07/2026 Main duties of the job Review, develop, and promote efficiency and stability across the Relational Database Management (RDBMS) environment , ensuring databases are secure ...

Senior Lead Software Engineer - Python, AI & LLM

Location
Glasgow, Scotland, United Kingdom
reliable inference foundations that help engineering teams move faster with confidence. You’ll work hands‐on with modern large language model serving stacks and performance tuning, while partnering closely with platform and product stakeholders. If you enjoy solving deep systems problems and enabling others through great developer experience … equivalent systems Drive Kubernetes‐based deployment patterns, scaling strategies, networking approaches, and troubleshooting practices to support reliable platform operations Optimize inference performance by applying a strong understanding of GPU memory behavior, including key‐value cache sizing, memory bandwidth trade‐offs, and compute bottlenecks Evaluate and apply inference‐time quantization ...

Software Engineer III - Fullstack (Java, React, Python and AI) Engineer

Location
Greater London, England, United Kingdom
product, marketing, and partners to translate requirements into well-designed technical solutions Improve engineering excellence through code reviews, test automation, CI/CD, observability, performance tuning, and operational best practices Ensure solutions meet security, privacy, and compliance expectations including consent management, data minimization, and access controls Required Qualifications … 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 ...

Solutions Architect - ServiceNow

Location
Prestwick, Scotland, United Kingdom
Azure, or GCP) Automate continuous integration, deployment pipelines, and cloud resource provisioning workflows Ensure infrastructure meets corporate security baseline standards, compliance policies, and performance benchmarks ServiceNow Installation & Configuration Lead the technical design, deployment, and configuration of ServiceNow instances (ITSM, ITOM, Cloud Provisioning & Governance) Configure MID Servers, Discovery, Service Mapping … cloud environments Develop custom workflows, Scripted REST APIs, IntegrationHub spokes, and business rules within ServiceNow Oversee instance cloning, upgrade management, release management, and platform performance tuning Requirements Experience: 5+ years of experience as a Solutions Architect or Lead Systems Engineer ServiceNow Expertise: Certified Implementation Specialist (CIS) or Certified ...

Backend Java Developer – Data Fabric / Platform Engineering

Location
Greater London, England, United Kingdom
engines (e.g., Starburst or similar) Own API contracts with living documentation in CI/CD Build production-grade, testable pipelines Drive observability, reliability, and performance Contribute to architecture decisions (modularity, DI, extensibility) What You Bring (Must-Have) Strong hands-on experience in Java (17/21) + Spring Deep … parsing/validation, query planning/optimization Experience with SQL planners or query transformation layers Strong grounding in data structures, algorithms, and backend performance Production-grade testing using JUnit 5, Mockito Experience with clean architecture, DI, modular design Comfortable owning CI/CD, code quality, observability Familiarity with Docker ...

Backend Java Developer - Birmingham • Hybrid • £50–65k • Not London

Location
Birmingham, England, United Kingdom
engines (e.g., Starburst or similar) Own API contracts with living documentation in CI/CD Build production-grade, testable pipelines Drive observability, reliability, and performance Contribute to architecture decisions (modularity, DI, extensibility) What You Bring (Must-Have) Strong hands-on experience in Java (17/21) + Spring Deep … parsing/validation, query planning/optimization Experience with SQL planners or query transformation layers Strong grounding in data structures, algorithms, and backend performance Production-grade testing using JUnit 5, Mockito Experience with clean architecture, DI, modular design Comfortable owning CI/CD, code quality, observability Familiarity with Docker ...

Backend Java Developer - Birmingham • Hybrid • £50–65k • Not London

Location
City Of London, England, United Kingdom
engines (e.g., Starburst or similar) Own API contracts with living documentation in CI/CD Build production-grade, testable pipelines Drive observability, reliability, and performance Contribute to architecture decisions (modularity, DI, extensibility) What You Bring (Must-Have) Strong hands-on experience in Java (17/21) + Spring Deep … parsing/validation, query planning/optimization Experience with SQL planners or query transformation layers Strong grounding in data structures, algorithms, and backend performance Production-grade testing using JUnit 5, Mockito Experience with clean architecture, DI, modular design Comfortable owning CI/CD, code quality, observability Familiarity with Docker ...

Database Administrator

Hiring Organisation
Frog Design
Location
New York, United States
Employment Type
Any
Salary
USD 95 Hourly
designing, implementing, and maintaining our organization's databases. Responsibilities Design, implement, and maintain databases to support business applications Ensure database security, integrity, and performance Develop and implement database backup and recovery strategies Collaborate with development teams to design and implement database schemas Troubleshoot and resolve database-related issues Stay … Oracle, MySQL, Microsoft SQL Server) Experience with database design, development, and implementation Strong understanding of database security, backup, and recovery strategies Experience with database performance tuning and optimization Excellent problem-solving and communication skills Qualifications Bachelor's degree in Computer Science, Information Technology, or related field Certified Database ...

Senior Simulation Software & Security Engineer

Location
Crawley, England, United Kingdom
review, and ship high-quality, cross-platform code for Windows, Linux, and iOS. Deliver across the full development lifecycle: feature development, bug fixes, refactors, performance tuning, and ongoing maintenance. Build, improve, and troubleshoot automated build systems and CI/CD pipelines to increase reliability, reduce build times … reverse-engineering assessments. Collaborate cross-functionally with product, QA, and engineering teams, mentor junior engineers, and advocate engineering best practices to balance security, performance, maintainability, and user experience. Basic Qualifications (Required Skills/Experience) Bachelor of Science degree or higher from an accredited course of study in engineering, engineering ...

MS Dynamics - MSD 365 Tech Lead

Location
Leeds, England, United Kingdom
technical consultants.* Review code, enforce quality standards, and support technical upskilling.**Governance & Assurance*** Ensure adherence to Microsoft best practices, security, and compliance standards.* Support performance optimization, troubleshooting, and production issues.**Required Skills & Experience****Core Technical Skills*** Strong experience with Microsoft Dynamics 365 .* Solid expertise in:* C#, .NET* Plugins … APIs, OAuth, and security models.**DevOps & Quality*** Experience with CI/CD pipelines (Azure DevOps preferred).* Familiarity with automated testing.* Strong understanding of performance tuning and security best practices. #J-18808-Ljbffr ...

HPC Architecture Leader

Location
Crawley, England, United Kingdom
energy innovation Viridien is a global HPC and technology leader with over 70 years of working in scientific computing. We operate global high-performance scientific computing infrastructure delivering more than 700 petaflops and executing over one million scientific computing jobs daily across areas including geophysical imaging, materials science, biotechnology … seeking an experienced HPC Architecture Leader to join our global HPC technology team and shape the strategy, roadmap, and delivery of our high-performance computing platforms. In this role, you will lead end-to-end architecture for next‐generation HPC systems, aligning stakeholders across engineering, operations, vendors, and clients ...

AI Compiler Optimization Engineer - Edinburgh

Location
City of Edinburgh, Scotland, United Kingdom
seeking a skilled AI Compiler Optimization Engineer to optimize AI model inference performance through advanced compiler technologies. You will focus on performance tuning for CPU or hybrid CPU/XPU heterogeneous architectures, profiling AI frameworks to discover new optimization opportunities, and delivering cutting-edge insights from industry … research. Key Responsibilities: Compiler-Based Performance Optimization: Implement compiler techniques (e.g., MLIR level optimizations, LLVM backend optimizations) to enhance inference performance on CPU and CPU/XPU hybrid systems Optimize JIT level compute graphs with operator fusion, memory allocation and etc. for latency/throughput improvements Preferred: Experience ...

Senior Software Developer - Multimedia Systems

Hiring Organisation
Guardian Media Group
Location
London, UK
Employment Type
Full-time
upgrades and ensure architectural stability across the platform. Diagnose and fix bugs in a timely manner based on priority, using log-based troubleshooting and performance analysis. Work with editorial stakeholders and, with guidance from the Multimedia Tech Product Manager, ensure systems continue to meet their needs and evolve … e.g. Lambda, SQS, webhook-driven integrations) and an understanding of the failure modes of distributed processingConfident working in Linux environments: command line, systemd, networking, performance tuning and log-based troubleshootingFamiliarity with standard engineering workflow: Git, pull requests, code review and CI/CD pipelinesA practical security mindset around ...

Senior PHP Engineer

Location
Greater London, England, United Kingdom
experts ready to pick up Laravel and apply their skills to our ecosystem. Your main responsibilities will be to: Lead the design of high-performance distributed systems capable of handling global traffic Develop and refine services to improve scalability and efficiency Drive the transition toward a service-oriented architecture … value engineers who know how to prompt, validate, and iterate with AI to build better software faster. Knowledge of SQL and NoSQL including performance tuning and handling transactions at scale Experience architecting on AWS and managing containerized environments with Docker A champion of clean code, automated testing ...