126 to 150 of 192 Performance Tuning Jobs in England

ML Engineer

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
load data from various sources. AI model Feature Engineering: Integrate structured and unstructured data from internal and external systems into centralized data platforms. Performance Tuning of AI/models: Optimize data workflows and queries for performance, scalability, and cost-efficiency. Building Agentic Systems: Developing intelligent AI agents … that can reason, plan, and execute tasks autonomously using LLMs and other tools. LLM application Development: LLM fine-tuning adapting pretrained LLMs for specific tasks using techniques like parameterefficient fine-tuning (PEFT) (e.g., LoRA, QLoRA). Implementing Retrieval-Augmented Generation pipelines to enhance the knowledge and accuracy ...

SAP Basis Support Engineer

Hiring Organisation
Synergize Consulting Ltd
Location
Essex, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
with deep expertise across SAP landscapes, databases, operating systems, and enterprise support environments. You will play a key role in maintaining the stability, security, performance, and resilience of critical SAP systems while supporting ongoing transformation and cloud initiatives. Key Responsibilities Administer and support SAP environments including S/4HANA … Support transport management processes across SAP landscapes Implement and maintain backup, recovery, high availability, and disaster recovery solutions Monitor and optimise database and system performance Support upgrade and migration activities including SP/FP stacks and release upgrades Ensure SAP systems remain secure, compliant, and aligned with best practices ...

Lead RPG Developer (IBM i)

Hiring Organisation
Morson Edge
Location
City of London, London, United Kingdom
Employment Type
Permanent
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 ...

Technical Lead - TypeScript / Node.js

Hiring Organisation
Adria Solutions Ltd
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£60000 - £80000/annum
innovation Backend Architecture & Development Architect, build, and scale backend services and RESTful APIs Design, optimise, and maintain MongoDB database solutions Improve system reliability, performance, and scalability Resolve complex production issues with robust solutions Implement microservices and modern backend patterns Collaboration & Delivery Partner with Product, Design, and the founder … execution across initiatives Core Technical Expertise You’ll thrive in this role if you have strong experience with: MongoDB (data modelling, indexing, aggregation pipelines, performance tuning) Node.js and the wider JavaScript/TypeScript ecosystem RESTful API design and distributed systems AWS or similar cloud platforms Microservices architecture ...

Technical Lead - TypeScript

Hiring Organisation
Adria Solutions
Location
Manchester, UK
Employment Type
Full-time
innovation Backend Architecture & Development Architect, build, and scale backend services and RESTful APIs Design, optimise, and maintain MongoDB database solutions Improve system reliability, performance, and scalability Resolve complex production issues with robust solutions Implement microservices and modern backend patterns Collaboration & Delivery Partner with Product, Design, and the founder … execution across initiatives Core Technical Expertise You’ll thrive in this role if you have strong experience with: MongoDB (data modelling, indexing, aggregation pipelines, performance tuning) Node.js and the wider JavaScript/TypeScript ecosystem RESTful API design and distributed systems AWS or similar cloud platforms Microservices architecture ...

Cloud Infrastructure Architect

Hiring Organisation
Zachary Daniels
Location
Liverpool, Merseyside, North West, United Kingdom
Employment Type
Permanent
Salary
£75,000
Bicep, ARM) Designing secure cloud environments aligned to Zero Trust principles Collaborating with security teams to embed monitoring, logging, and incident response Optimising cloud performance, cost, and scalability (FinOps principles) Leading on resilience, disaster recovery, and capacity planning Acting as a technical advisor to stakeholders across the business What … platforms (Kubernetes/AKS/EKS/GKE) Understanding of identity and access management (IAM, Azure AD, RBAC) Experience with cloud cost optimisation and performance tuning Strong stakeholder communication and ability to translate technical concepts Why Join? Opportunity to shape cloud strategy within a growing business High-impact ...

Analytics Engineer (DBT)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £550 per day
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 ...

Delphi Developer

Hiring Organisation
Octad Recruitment Consultants (Octad Ltd )
Location
Wickford, Essex, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
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 ...

Oracle DBA

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £501 per day
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 ...

iOS Developer

Hiring Organisation
Addition
Location
City of London, London, United Kingdom
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 ...

Senior Sharepoint Developer

Hiring Organisation
Larbey Evans
Location
City Of London, England, United Kingdom
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 ...

Software Developer

Hiring Organisation
Tec Partners
Location
Great Yarmouth, Norfolk, United Kingdom
Employment Type
Permanent
Salary
£30000 - £40000/annum
Forms Experience using .NET Core Solid understanding of object-oriented programming and N-Tier architecture Experience with SQL Server - including database design, security, backups, performance tuning UI development experience using: WPF (for desktop apps) Or HTML/CSS/JavaScript/jQuery (for web apps) Familiarity with source ...

Ruby Developer

Hiring Organisation
Proactive Appointments
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
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 ...

Data Engineer

Hiring Organisation
Sellick Partnership
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
qualifications of the Data Engineer position will include Advanced SQL experience, including dynamic SQL and code optimisation Strong understanding of query execution plans and performance tuning Experience working in data engineering or project-based delivery environments Exposure to Azure Data Factory and pipeline execution Experience using Azure DevOps ...

Quantexa Technical Lead - Senior Manager

Hiring Organisation
Lorien
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 - 120,000 Annual
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 ...

Senior Software Support Engineer

Hiring Organisation
VIQU IT Recruitment
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £55,000 per annum
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 ...

Managing SOC Engineer - MOD DV - Inside IR35

Hiring Organisation
Sanderson
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
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 ...

Managing SOC Engineer - MOD DV - Inside IR35

Hiring Organisation
Sanderson Government and Defence
Location
Hemel Hempstead, Hertfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £800 per day
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 ...

Database Administrator

Hiring Organisation
Zensar Technologies
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
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 ...

C++ Software Engineer

Hiring Organisation
Durlston Partners
Location
City of London, London, United Kingdom
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 ...

SAP BASIS Administrator

Hiring Organisation
Network IT
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£60,000
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 ...

Sybase Engineer

Hiring Organisation
AMS CWS
Location
London, United Kingdom
Employment Type
Contract
it. Deep working knowledge of Sybase ASE and Replication Server 16.0 (SP03 and SP04) on RHEL 7 and 8, including installation, configuration, upgrade and performance tuning from an engineering (not DBA) perspective. Ability to read, debug and enhance existing Sybase automation and tooling written in Bash … than greenfield development. Coding will not be your focus. Practical understanding of Linux internals, storage, networking and hardware as they affect Sybase behaviour and performance; enough to tune systems for Sybase and work effectively with UNIX, storage, network and virtualisation teams. Supporting the roll out of encryption at rest ...

Communication Systems / DSP Engineer

Hiring Organisation
Mars Recruitment
Location
Oxford, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum plus benefits
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 ...

Salesforce Engineer - Field Mobile Platform

Hiring Organisation
Focus on SAP
Location
Reading, England, United Kingdom
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 ...

Database Administrator

Hiring Organisation
Logistex
Location
Kettering, North Northamptonshire, Northamptonshire, United Kingdom
Employment Type
Permanent
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 ...