51 to 75 of 210 Performance Tuning Jobs in the UK

Dev Ops Engineer

Hiring Organisation
Capita Shared Services Limited
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Understanding of security, compliance, and access control Quality, Testing & Monitoring Experience with: Automated testing approaches (unit/UI testing) Pipeline monitoring and troubleshooting Performance tuning and optimisation of CRM solutions Leadership & Collaboration Proven ability to lead technical design and delivery Strong stakeholder engagement and communication skills Experience mentoring ...

Senior Data Analyst

Hiring Organisation
BOSS Professional Services LTD
Location
Kingston Upon Thames, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £85,000 per annum
modelling, and system integration. Advanced SQL skills and experience building and maintaining ETL pipelines. Advanced Power BI expertise, including DAX, dataflows, model optimisation, and performance tuning. Proven experience extracting and working with data from Azure, Salesforce, and ITSM platforms. Strong understanding of service delivery and operational metrics (SLAs, KPIs ...

Manager Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
critically significant component of our infrastructure that underpins secure authentication across to our customers.This is a rare opportunity to work on a high-performance, low-latency, and highly resilient system at scale, with direct impact on the security and reliability of financial services used globally.What You’ll be doing … ensure robust observability, automated recovery, and zero-downtime deployments via Gitlab pipeline, Terraform and DevSecOps practices.* Drive architectural decisions and mentor engineers in performance tuning, resilient design, and secure coding practices.* Contribute to incident response and postmortems, continuously improving system reliability.What You'll bring:* Experience in managing engineers ...

Mid-Senior Ruby on Rails Engineer (B2B SaaS | Hybrid | UK)

Hiring Organisation
Transreport
Location
City of London, London, United Kingdom
trusted backend partner for Product and Platform teams. Within 12 months, you will: Confidently own and evolve multiple backend systems. Improve database performance and background job efficiency. Reduce operational risk across TOC integrations. Strengthen CI/CD reliability and deployment confidence. Contribute to longer-term backend architecture improvements … party integrations, ensuring reliable and secure data exchange. Infrastructure Collaboration: Work with the Platform team on AWS-based deployments and CI/CD processes. Performance & Reliability: Optimise background processing and database performance to maintain system stability. Incident Response: Support investigation and resolution of production issues. Cross-Functional Collaboration ...

SQL Database Developer

Hiring Organisation
WR Logistics
Location
Dartford, Kent, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£45,000
build, and optimise database solutions that power business-critical systems. Develop and maintain high-quality T-SQL (procedures, views, functions, indexes) Diagnose and fix performance issues using execution plans and query tuning Optimise transactional systems, reporting, and integrations Support structured database changes across Dev, Test, and Production Work … with release/CI processes to deliver safe, reliable deployments Troubleshoot complex data and performance issues Help improve database standards and practices Essential: 5+ years' SQL Server development experience Strong T-SQL and performance tuning skills Solid database design knowledge Experience managing changes across environments Strong problem ...

Senior Web Application Developer ASP.NET MVC 5, C#, & React

Hiring Organisation
PCR Digital
Location
Hammersmith, London, United Kingdom
Employment Type
Contract
Contract Rate
£425 - £538/day Inside IR35 to Umbrella
Jira. * Proven track record of delivering features and projects to deadlines while maintaining high standards of quality and reliability. * Understanding of application and database performance tuning, troubleshooting, and optimization techniques. * Comfortable working in small, collaborative teams and taking initiative in managing development tools, environments, and build processes. * Familiarity … development using HTML5, CSS3, JavaScript, and modern React components to maintain the web applications. * Participate in architectural discussions and propose improvements that enhance system performance, scalability, and maintainability. * Collaborate with Digital Product, Technology, and Marketing teams to define, estimate, and deliver features within sprint timelines. * Participate in code reviews ...

SQL Server DBA

Hiring Organisation
Adecco
Location
Chester, Cheshire, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £575/day
dynamic organisation seeking an experienced SQL Database Administrator to join their team. This role is pivotal in maintaining the security, integrity, and performance of the company's database systems. Key Responsibilities: Administer, maintain, develop, and implement policies and procedures for database security and integrity. Design and implement data models … database designs, and table maintenance codes. Resolve database performance, capacity, replication, and distributed data issues. Manage SQL Server Integrated Services (SSIS), SQL Server Reporting Services (SSRS), and SQL Server Analysis Services (SSAS) effectively. Implement high availability and disaster recovery solutions using clustering, database mirroring, log shipping, and AlwaysOn replication. ...

DevOps Engineer (SC + NPPV3 Cleared)

Hiring Organisation
Syntax Consultancy Ltd
Location
CR0 2TA, Croydon, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£500/day 500/day (Outside IR35)
CloudWatch, KMS, and Amazon Linux 2023. DevOps Tools: Terraform, Jenkins, Docker + Groovy pipelines experience. Scripting: Shell, Python, PowerShell, Perl, Java. PostgreSQL admin, performance tuning, HA, replication, backup/DR, Git, Jira, Confluence, ServiceNow. Monitoring tools: Grafana, Prometheus + Alert Manager. Key Tasks: troubleshooting, root cause analysis ...

Principal Solution Architect

Hiring Organisation
Tech Mahindra
Location
Reading, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
reviews, ensuring alignment with enterprise architecture standards. Provide technical leadership and mentorship to development teams, fostering a culture of innovation and continuous improvement. Conduct performance tuning, optimization, and troubleshooting of applications. Stay current with industry trends and emerging technologies to ensure the application architecture remains relevant and competitive. ...

Database Administrator

Hiring Organisation
Reed Technology
Location
Leicester, Leicestershire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£60,000
databases on a 24/7, 365 basis , operating at Tier 3-4 level . You'll play a key role in ensuring: Database performance, availability, and stability Seamless integration with customer systems A reliable, high-quality experience for end users You'll also act as a trusted technical …/7 production environment Act as Tier 3-4 escalation for complex incidents and availability issues Analyse existing infrastructure and proactively improve performance and resilience Install, configure, and deploy systems into customer environments Support data migrations and system integrations Identify and implement automation, scripting, and process improvements Perform root ...

Infrastructure Operations

Hiring Organisation
Asset Inventories
Location
London Area, United Kingdom
Manage virtual machine lifecycle including provisioning, maintenance, migration, and decommissioning Perform OS rebuilds and bare metal provisioning using Rebar Maintain infrastructure stability, availability, and performance Operating Systems Advanced Linux administration including troubleshooting, patching, hardening, and performance tuning Windows Server administration and operational support Perform system upgrades, rebuilds … recovery activities Cloud Support Provide operational support for AWS cloud environments Troubleshoot cloud infrastructure, performance, networking, and access issues Monitor cloud resources and recommend improvements for reliability, security, and cost efficiency Support hybrid infrastructure environments Infrastructure as Code and DevOps Strong experience with Terraform for infrastructure provisioning and updates ...

SQL Server Database Developer

Hiring Organisation
Davies Turner
Location
Dartford, Kent, South East, United Kingdom
Employment Type
Permanent, Work From Home
role in designing, building, and improving database solutions that underpin our business-critical applications and integrations. The role is focused on database development and performance, working closely with application and integration teams in a collaborative environment. This role is primarily development focused (database code, schema, data design, performance … Developer - Key Responsibilities: - Design, develop and maintain high-quality T-SQL including stored procedures, views, functions, tables, and indexes - Proactively analyse and resolve database performance bottlenecks using execution plans, indexing strategies, and query refactoring - Optimise high-volume transactional queries, reporting workloads, and data integration jobs - Design and support scalable ...

Platform Engineer: £85k + Bonus/benefits (High Frequency Trading)

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
working with a fast-growing technology-driven trading firm looking to hire a Junior Platform Engineer to support a globally distributed, high-performance infrastructure environment powering real-time data and trading operations. This is an opportunity to join a highly technical team working across multi-cloud infrastructure, Linux systems … fast-paced environment. What you’ll be working on: • Supporting a 24x7 global infrastructure environment across cloud and on-prem systems • Improving platform performance, automation, and operational processes • Working closely with development and infrastructure teams on architecture and scalability • Managing infrastructure across multi-region/multi-cloud environments • Linux ...

OutSystems Developer (LowCode Orchestration)

Hiring Organisation
Infoplus Technologies UK Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day
integrations (REST, SOAP, OAuth, SQL, message queues). Basic understanding of CSS, JavaScript, and relational databases (SQL Server, Oracle). Knowledge of application security, performance tuning, and scalable app design. Job Description: Mandatory Skills: OutSystems OutSystems Developer (Low-Code Orchestration) Role Overview The OutSystems Developer focuses on building … Design workflow orchestrations, process automation, and data models. Develop logic, integrations, and reusable UI patterns and modules. Implement role-based access, security configurations, and performance optimisations. 2. Integration & API Management Integrate with backend systems (REST/SOAP APIs, databases, SAP, CRM). Build and maintain integrations ensuring reliability ...

DevOps Engineer (eDV Cleared)

Hiring Organisation
Oscar Associates (UK) Limited
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Clearance is required for eligibility. Your day-to-day will consist of: Gathering and analysing statistics from operating systems and applications regarding performance tuning and error searching. Strong Kubernetes exposure Troubleshooting and providing solutions for technical issues across the stack. Be a part of system design consultation, platform ...

ML Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day Negotiable
Docker, Kubernetes, and CI/CD . Responsible AI: Ensure our systems are trustworthy by implementing quantifiable metrics for bias detection, explainability, and privacy. Performance Tuning: Optimize data workflows for maximum scalability and cost-efficiency. Insurance Domain experience is added advantage. Your Technical Toolkit AI/ML: Expert ...

Machine Learning Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day Negotiable
Docker, Kubernetes, and CI/CD . Responsible AI: Ensure our systems are trustworthy by implementing quantifiable metrics for bias detection, explainability, and privacy. Performance Tuning: Optimize data workflows for maximum scalability and cost-efficiency. Insurance Domain experience is added advantage. Your Technical Toolkit AI/ML: Expert ...

ML Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £500 per day
Docker, Kubernetes, and CI/CD . Responsible AI: Ensure our systems are trustworthy by implementing quantifiable metrics for bias detection, explainability, and privacy. Performance Tuning: Optimize data workflows for maximum scalability and cost-efficiency. Insurance Domain experience is added advantage. Your Technical Toolkit AI/ML: Expert ...

Senior Full Stack Engineer (AWS Microservices & Integrations)

Hiring Organisation
Narwhal Labs
Location
City Of Bristol, England, United Kingdom
compliant transaction flows Nice to have: Event choreography with Step Functions, schema registries and outbox patterns OpenTelemetry/X-Ray tracing and cost and performance tuning for Lambda and RDS Experience with Cognito/OIDC, RBAC/ABAC and multi-tenant isolation patterns Familiarity with real-time delivery ...

Software Engineer - Data Platform for Trading

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
Server queries, stored procedures, and data processing logic Design and build backend services in Python or C# Modernise legacy platforms and improve system performance Build and maintain AWS-hosted services and APIs Collaborate with distributed engineering and product teams Top Skills Required Advanced SQL Server expertise (performance tuning ...

Director of Software Engineering (UK)

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Flosum , we are building the world's best software for the modern enterprise. Our team is passionate about crafting elegant, high-performance products that delight our customers and set a new bar for engineering excellence. We combine deep expertise in cloud-native development with a relentless focus on quality … This is a hands‐on leadership role for a technical architect at heart who can compress delivery schedules, drive developer velocity, and own the performance of the overall solution. You will be the single point of accountability for turning our roadmap into shipped software—on time, at quality ...

Senior Software Engineer

Hiring Organisation
Understanding Recruitment
Location
United Kingdom
Senior Software Engineer (C++) 📍 Remote (UK/Europe) 🏦 High-Performance Trading Systems 💰 Up to £180k + bonus + equity We’re hiring a Senior C++ Engineer to work on the systems that sit at the heart of a global trading platform. This is a backend, systems-focused role centred … around performance-critical engineering — building the infrastructure that enables fast, reliable, and secure execution at scale. 🚀 The Role You’ll be working on the core framework and performance-critical components that underpin the trading engine. Your responsibilities will include: Designing and building low-level systems that support high ...

Data Platform Engineer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
built on large SQL Server data estates, making strong SQL expertise non-negotiable. You will play a key role in modernising core systems, improving performance and reliability, and delivering scalable services for the next generation of our platform. This role is ideal for engineers who can work confidently across … implement backend services using modern programming languages (Python or C#) Support and enhance existing legacy platforms, identifying opportunities for iterative modernisation Improve query performance through indexing strategies, query optimisation, and data processing efficiency Enhance platform reliability through automation, monitoring, and operational improvements Build and maintain services deployed within ...

Senior SQL Database Engineer

Hiring Organisation
Spectrum IT Recruitment
Location
Nationwide, United Kingdom
Employment Type
Permanent
Salary
£70000 - £73000/annum Bonus, Pension, Healthcare
this opportuinty will push your career forward. The Role As a Senior Cloud Database Engineer, you'll play a key role in ensuring the performance, scalability, and reliability of critical database environments in a 24/7 cloud-first ecosystem. This is a hands-on engineering role where … innovate, and continuously improve systems that simply cannot fail. What you'll be doing Managing and optimising high-availability SQL Server environments Driving database performance tuning and system efficiency Owning backup, recovery, and disaster resilience strategies Implementing and maintaining robust database security practices Supporting real-time, high-volume ...

Senior SQL Database Engineer

Hiring Organisation
Spectrum It Recruitment Limited
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£70,000
this opportuinty will push your career forward. The Role As a Senior Cloud Database Engineer, you'll play a key role in ensuring the performance, scalability, and reliability of critical database environments in a 24/7 cloud-first ecosystem. This is a hands-on engineering role where … innovate, and continuously improve systems that simply cannot fail. What you'll be doing Managing and optimising high-availability SQL Server environments Driving database performance tuning and system efficiency Owning backup, recovery, and disaster resilience strategies Implementing and maintaining robust database security practices Supporting real-time, high-volume ...