126 to 150 of 210 Performance Tuning Jobs in the UK

Write clean, maintainable, and efficient code following best practices Participate in code reviews and contribute to technical discussions Debug and resolve application issues and performance bottlenecks Collaborate with front-end developers, QA engineers, and product teams Support deployment processes and assist with CI/CD pipelines Document technical designs … development Strong proficiency in C# and ASP.NET/.NET Core Solid experience with Microsoft SQL Server Experience writing complex SQL queries, stored procedures, and performance tuning Understanding of RESTful APIs and web services Familiarity with Git or other version control systems Basic understanding of object-oriented programming ...

development, enhancement, and support of critical banking applications on the IBM i platform. This role requires strong technical expertise, particularly in system security, performance, and resilient application design. About the Role As an Leading RPG Developer, you will work closely with business and technical stakeholders to deliver robust, secure …/400) operating system RPG (fixed and free format), CL, and embedded SQL IBM Rational Developer for i (RDi) DB2 for i and SQL performance tools (including Visual Explain) IBM i Security features (user profiles, authorization lists, object-level security) System APIs and SQL Services for system management Journaling ...

metrics. Collaborating with business teams to understand reporting needs and deliver intuitive analytics experiences. Creating clear documentation for dashboards, metrics, and models. Ensuring optimal performance and cost efficiency across Looker and Snowflake Supporting a stakeholder-first approach to data usability and access. KEY SKILLS AND REQUIREMENTS Extensive experience operating … clarity. Comfortable working independently in a dynamic, fast-changing environment. DESIRABLE SKILLS Experience rebuilding or refactoring a Looker instance from scratch. Familiarity with Snowflake performance tuning and cost optimization. Experience scaling analytics across a cross-functional organisation HOW TO APPLY Please register your interest by sending your ...

Suite (EBS) 12.2.x environments. The role involves working across both production and non-production systems, to upgrade/remediate, applying patches, etc., ensuring stability, performance, and successful upgrade execution. Key Responsibilities: Deliver end-to-end upgrade activities across Oracle Database, EBS, and SOA environments Perform database upgrades and patching … upgrade activities across non-production and production environments Strong experience with patching, cloning, and migration strategies Experience in Linux/Unix environments Experience in performance tuning and troubleshooting across DB and middleware layers Experience in raising and managing Oracle Support Service Requests (SRs) and coordinating with Oracle Support ...

Suite (EBS) 12.2.x environments. The role involves working across both production and non-production systems, to upgrade/remediate, applying patches, etc., ensuring stability, performance, and successful upgrade execution. Key Responsibilities: Deliver end-to-end upgrade activities across Oracle Database, EBS, and SOA environments Perform database upgrades and patching … upgrade activities across non-production and production environments Strong experience with patching, cloning, and migration strategies Experience in Linux/Unix environments Experience in performance tuning and troubleshooting across DB and Middleware layers Experience in raising and managing Oracle Support Service Requests (SRs) and coordinating with Oracle Support ...

their field. You’ll work at the intersection of on-device machine learning, SDK development, and real-world product deployment , delivering reliable, high-performance mobile experiences used in production environments. Location: London - Hybrid Responsibilities: SDK integrations & partner support Lead integrations with partners and clients, ensuring seamless interoperability Collaborate with … developer support iOS camera SDK ownership Maintain and extend a camera SDK with real-time image quality checks (e.g. blur, lighting, framing) Ensure stability, performance, and ease of integration Manage SDK distribution and packaging On-device ML deployment Deploy and optimise machine learning models for mobile (e.g. conversion, quantisation ...

Graph. Solid experience with C# and .NET Framework for backend and integration development. Hands-on experience administering SharePoint on-prem environments, including patching, upgrades, performance tuning, and troubleshooting. Experience with Business Connectivity Services (BCS) and creating External Content Types (ECTs). Strong experience with SQL Server design, development ...

background. .NET Core expertise - this is non-negotiable Microservices architecture and containerised deployment (Docker/Kubernetes) Database architecture optimisation - latency, cost efficiency, SQL Server performance tuning Experience leading and mentoring technical teams Comfortable with legacy system migrations as well as greenfield builds Good to Have B2B or regulated ...

CSS3) Experience integrating SharePoint solutions using REST APIs, Microsoft Graph, C#, and .NET Hands-on management of on-prem SharePoint environments, including patching, upgrades, performance tuning, and troubleshooting Experience with Business Connectivity Services (BCS), External Content Types (ECTs), and SQL Server design and optimisation ...

love to hear from you. Key Skills 4+ years' experience with Ruby on Rails Strong understanding of OOP & Rails architecture Extensive experience with PostgreSQL (performance tuning, complex queries) Background job processing with Sidekiq & Redis Expertise in RESTful APIs , JSON, JWT, SSO Experience with AWS & Docker Production system support ...

technical authority and client interface, translating regulatory or business problems into scalable Quantexa architectures Leads teams in shaping data models, ER logic, and performance tuning across high-volume, enterprise datasets Mentors teams while influencing delivery standards, design patterns, and best practice across multiple workstreams In order to secure ...

logging and alerting, DynamoDB for database management, and AWS Lambda for serverless compute tasks related to project workflows. Implement best practices for environment stability, performance tuning, and security compliance. Produce detailed technical documentation, status reports, and issue logs for ongoing support and knowledge sharing. Communicate effectively with cross ...

DAPR pub/sub, saga orchestration, transactional outbox DDD fundamentals bounded contexts, aggregates, domain events, CQRS SQL Server schema design, EF Core migrations, query performance tuning This role is perfect for those who thrive in small, flat-structured teams and collaborative environments where every contribution makes a difference. ...

line, application support, or software engineering role within a SaaS or enterprise software environment Strong SQL and T-SQL stored procedures, complex queries, performance tuning. Hands-on experience with Microsoft SQL Server and Azure in production. Some .NET/C# experience to read and debug code. The ability ...

systems. Key Responsibilities Distributed Systems R&D: Architect and implement distributed system components for AI workloads across heterogeneous clusters (CPU, GPU, accelerators). Performance Optimisation: Conduct deep profiling and performance tuning of large-scale inference pipelines, focusing on KV cache management and memory scheduling. Scalable Serving Infrastructure …/C++ for systems development and Python for research prototyping. Hands-on Experience: Experience with LLM serving frameworks, distributed cache optimisation, and performance profiling tools. Preferred: A track record of publications in top-tier systems or ML conferences and practical experience in load balancing or resource scheduling for inference ...

servers. Elastic (Elastic Stack/Elastic Security): Hands-on with index lifecycle management (ILM), ingest pipelines, ECS mapping, transforms, and enrichment. Experience designing and tuning detection rules (KQL, EQL), response actions, case workflows, and Elastic Security posture features. Skilled in Fleet/Agent deployment, data stream design, and performance tuning at scale. Strong client management and relationship building experience SIEM experience with Splunk/Elastic Excellent analytical and problem-solving skills coupled with ability to assess complex situations, identify risks, and recommend effective solutions Proven hands-on experience operating Elastic Stack/Elastic Security and Splunk Enterprise ...

support large, mission-critical enterprise databases. This role is ideal for a senior database professional who thrives in production environments, enjoys solving complex performance and availability challenges, and works closely with application, infrastructure, and vendor teams. The position involves end-to-end database ownership across production, development, and test … environments, with a strong focus on stability, performance, high availability, and continuous improvement. Duties and Responsibilities DB2 Database Administration Administer and support large-scale DB2 UDB (LUW) databases in production and non-production environments (multi-TB databases). Perform installation, upgrades, fix packs, and patching for DB2 instances. Manage ...

London or has the right to work in London. You will be part of a highly collaborative, low-ego engineering culture that prioritises performance, innovation, and impact. Working alongside some of the brightest minds in quantitative trading and systems engineering, you will build and optimise ultra-low latency, high … throughput systems that operate at scale. Key Responsibilities: Design and implement high-performance C++ systems for low-latency trading Optimise existing code for speed and reliability under production workloads Collaborate closely with traders, researchers, and fellow engineers to develop scalable infrastructure Work across the full software lifecycle ...

HANA skills: Provide day-to-day SAP BASIS administration across the SAP landscape. Support SAP HANA platform operations , including monitoring, health checks, and performance analysis. Assist with the ECC 6.0 to S/4HANA migration , upgrades, and landscape transformation activities. Administer transports, system refreshes, client copies, and landscape coordination. … Support patching, upgrades, and maintenance activities across SAP systems. Perform user administration, roles, and authorisations , ensuring security and compliance. Monitor system availability, capacity, and performance, escalating complex issues where required. Support backup, recovery, and high availability processes for SAP and HANA platforms. Work closely with senior BASIS colleagues ...

ensure it is stable, performant, and aligned with the enterprise data strategy. Key Responsibilities: Platform Administration & Governance Security, Access & Compliance Environment & Site Management Performance & Capacity Management Extracts & Data Refresh Management Content & Lifecycle Management Monitoring & Operational Support What You Will Ideally Bring: Tableau Server/Tableau Cloud administration Tableau security … model (roles, permissions) Sites, projects, and content governance Extracts, scheduling, and refresh strategies Tableau Bridge (for hybrid connectivity) Performance tuning & troubleshooting Data warehousing concepts SQL (for troubleshooting data issues) Cloud platforms (AWS/Azure - desirable) Contract Details: Duration: 6 months (with potential extension) Day Rate: £500 (Inside IR35 ...

initially Pay Frequency: Weekly Start Date: ASAP Overview We are seeking an experienced HPC Linux Systems Engineer to deploy, configure, optimise and support high-performance computing (HPC) environments. This includes large-scale Linux clusters, GPU-accelerated systems, and associated storage, networking, and authentication infrastructure. Although this role is hybrid … Kickstart, Ansible/Puppet) Install, configure, and optimise HPC schedulers (e.g. Slurm) and MPI environments Deploy and manage GPU (NVIDIA/CUDA) and high-performance storage solutions Monitor, benchmark, and tune system performance across compute, network, and storage Implement authentication, security controls, and system hardening for multi-user ...

data-link layer algorithms for wireless communication systems; conducting system-level modelling and simulation in MATLAB/Python for algorithm development and performance analysis; implementing floating-point and fixed-point DSP algorithms in C/C++ for real-time embedded and SDR-based systems; designing, analysing, and optimising signal … environments; troubleshooting and resolving real-world PHY/DSP issues including RF impairments, timing/frequency synchronisation problems, numerical precision effects, and performance bottlenecks; working closely with systems, FPGA, RF, and software engineers to integrate and validate end-to-end wireless solutions; contributing to test planning, experimental evaluation, technical ...

term system stability, this role will suit you perfectly. Key Responsibilities Maintain, support, and enhance existing Delphi enterprise applications. Diagnose and resolve complex defects, performance issues, and system bottlenecks. Work closely with business users to translate requirements into technical solutions. Produce clear documentation for updates, fixes, and new features. … experience. Strong experience with complex, data-driven applications. Proven background maintaining or upgrading legacy systems. Experience with visually inherited UIs. Strong debugging, optimisation, and performance-tuning skills. Experience working within Agile, Waterfall, or hybrid SDLC environments. Familiarity with version control (Git, SVN, etc.). Experience collaborating with ...

platform simplification, reducing duplication and technical debt. Engineering Excellence Champion best practices in: Clean architecture CI/CD automation Testing strategies Observability and telemetry Performance optimisation Secure-by-design principles Ensure high reliability, resilience, and offline capability for field environments. Cross-Functional Collaboration Partner with Product, Architecture, and Operations … ability to define and influence engineering standards across multiple teams. Strong experience with: CI/CD pipelines and DevOps practices Automated testing and observability Performance tuning and platform optimisation Experience designing resilient, offline-capable mobile solutions Ability to solve complex, cross-domain technical challenges. Strong stakeholder engagement ...

smoothly? If so, you could be our next Database Administrator! What is in it for you? Become a member of an Employee-owned trust Performance bonus Cycle to work scheme Option to buy additional leave Private medical insurance What will you be doing? Manage, maintain and optimize Postgres … Oracle databases Perform upgrades, patches, backups and recovery testing Monitor performance and troubleshoot issues proactively Ensure database security, compliance and documentation Support CI/CD, DevOps and cross-functional teams What are we looking for? Proven experience as a DBA or similar role Strong knowledge of Postgres and Oracle ...