26 to 50 of 300 Performance Tuning Jobs in the UK

Senior Data Engineer: Data Platform DevOps & Architecture

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
practices Container orchestration (Kubernetes/AKS) experience beneficial Event-driven architectures and API integration patterns Monitoring and alerting with Azure Monitor and Log Analytics Performance tuning and cost optimisation Git version control proficiency Governance, Compliance & Security Strong understanding of information security requirements Experience with Microsoft Purview or similar ...

AWS DBA

Hiring Organisation
Lucid Support Services Ltd
Location
England, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Database Administration Administer and support AWS database platforms including Amazon RDS and Amazon Aurora. Manage PostgreSQL, SQL Server and MySQL database instances. Monitor database performance and implement proactive tuning and optimisation. Perform database backup, restore and disaster recovery activities. Conduct database patching, upgrades and maintenance activities. Ensure database … solutions within AWS. Support database migration and modernisation initiatives. Monitor services using AWS CloudWatch and operational monitoring tools. Work with infrastructure teams to optimise performance, security and cost management. Support cloud-native architectures and platform services. Security & Compliance Ensure databases meet government security standards and organisational policies. Implement role ...

Tech Lead - Optimisation Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
ambiguous problem statements, and define measurable outcomes and acceptance criteria. Collaborate with OR/optimisation experts to integrate solvers (e.g. Gurobi) and ensure model performance, correctness, explainability, and maintainability. Establish strong engineering practices: code review, automated testing, CI/CD, release management, incident response, and post‐incident learning. Build … observability into optimisation services (KPIs, logs, traces) and manage performance tuning (latency, throughput, cost) across environments. Contribute hands‐on when needed (prototyping, critical‐path coding, reviews), while primarily enabling the team to deliver consistently. Required Qualifications Proven experience leading a software engineering team delivering production‐grade systems, with ...

.NET Technical Lead

Hiring Organisation
Jobleads-UK
Location
United Kingdom
security and code quality. Leverage Azure services (App Services, Functions, Container Apps, SQL, etc.) for cloud-native application development and deployments. Manage Azure deployments, performance tuning, and basic cloud administration tasks to ensure scalability and reliability. Collaborate with stakeholders and cross-functional teams to align technical solutions with … lifecycle management. Skilled in Azure SQL Server with deep hands-on experience in writing complex Stored Procedures, Triggers, and Views, along with strong application performance optimization expertise. Cloud experience in Azure App Services, Azure Functions, Azure Container Apps, and deployments, with exposure to basic cloud administration. Knowledge of microservices ...

.NET Technical Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
security and code quality. Leverage Azure services (App Services, Functions, Container Apps, SQL, etc.) for cloud‐native application development and deployments. Manage Azure deployments, performance tuning, and basic cloud administration tasks to ensure scalability and reliability. Collaborate with stakeholders and cross‐functional teams to align technical solutions with … lifecycle management. Skilled in Azure SQL Server with deep hands‐on experience in writing complex Stored Procedures, Triggers, and Views, along with strong application performance optimization expertise. Cloud experience in Azure App Services, Azure Functions, Azure Container Apps, and deployments, with exposure to basic cloud administration. Knowledge of microservices ...

Java Developer

Hiring Organisation
Matchtech Mobility
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£540 - £640 per day
/CD delivery processes and automated deployment pipelines. Produce and maintain technical documentation where required. Troubleshoot production issues and contribute to application stability, performance, and reliability. Contribute to continuous improvement and software engineering best practices. Essential Skills & Experience Proven experience as a Java Developer, Backend Developer, or Full Stack … Kubernetes. Monitoring and observability tooling. Large-scale enterprise application development. Consulting or client-facing project delivery. Secure coding practices and application security principles. Application performance tuning and optimisation. Working within complex transformation programmes. Key Competencies Java Development Backend Engineering API Development Software Design Agile Delivery Problem Solving Technical ...

Production Engineer

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
ability to lead multiple projects simultaneously, delivering to deadlines Expert-level experience with MSSQL, Oracle and Sybase database environments, including complex query-writing and performance tuning A natural leader who relishes the prospect of supporting an expanding business and driving continuous improvement in support functions Motivated self-starter … scope for growth. And connections act as a catalyst. Sparking richer solutions for our clients to break new ground, modernising markets for future performance, and creating dynamic careers for our people. Our capacity to connect builds trust, supports communities and gives us the power to anticipate and respond ...

Production Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
ability to lead multiple projects simultaneously, delivering to deadlines* Expert-level experience with MSSQL, Oracle and Sybase database environments, including complex query-writing and performance tuning* A natural leader who relishes the prospect of supporting an expanding business and driving continuous improvement in support functions* Motivated self-starter ...

Engineering Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
pragmatic technical decisions that balance business objectives, security, scalability, cost, timelines, and operational requirements Champion engineering excellence by promoting high standards of code quality, performance, maintainability, security, and architectural governance Establish and advocate engineering best practices, design patterns, coding standards, and reusable frameworks across delivery teams Provide technical leadership … platforms Develop event-driven and real-time data integration solutions that enable scalable, resilient data processing and business intelligence Drive platform optimisation through automation, performance tuning, cost optimisation, and operational best practices. Quality, DevOps & Reliability Establish robust testing strategies across UI, API, and data layers Own CI/ ...

Infrastructure Engineer

Hiring Organisation
Bulb Resourcing
Location
Swindon, Wiltshire, South West, United Kingdom
Employment Type
Permanent
Salary
£50,000
robust security principles across the organisation. About the Client Our client is a well-established and highly regarded technology firm specialising in secure, high-performance infrastructure and managed services. Operating at the forefront of the industry, they pride themselves on delivering resilient enterprise platforms and innovative digital solutions … develop their careers. Key Responsibilities Infrastructure Management: Design, implement, manage, and support core enterprise platform infrastructure, encompassing servers, networks, storage, and vital virtualisation environments. Performance Monitoring: Maintain platform availability and performance, proactively responding to alerts and service degradations to consistently meet business requirements and SLAs. Incident Resolution: Troubleshoot ...

AVP Software Developer

Hiring Organisation
Adecco
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
using Python and SQL, ensuring they are efficient and robust.Database Solutions: Build and optimise database solutions, focusing on schema design, indexing strategies, and query performance tuning.ETL/ELT Pipelines: Develop and maintain pipelines for ingesting, transforming, and serving data across systems.Integration: Seamlessly integrate applications with data lakes and lake ...

AVP Software Developer

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Contract
Python and SQL, ensuring they are efficient and robust. Database Solutions: Build and optimise database solutions, focusing on schema design, indexing strategies, and query performance tuning. ETL/ELT Pipelines: Develop and maintain pipelines for ingesting, transforming, and serving data across systems. Integration: Seamlessly integrate applications with data lakes ...

Site Reliability Engineer

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
activities, identify root causes, and execute plans to permanently resolve them. Architecture Support: Support development and engineering teams in building highly available, scalable solutions. Performance & Capacity: Conduct performance tuning and capacity planning to align perfectly with client business needs. Cloud Migrations: Drive or support implementation teams ...

Java Developer

Hiring Organisation
scrumconnect ltd
Location
Swansea, West Glamorgan, United Kingdom
Employment Type
Permanent
Salary
GBP 35,000 - 45,000 Annual
Role Overview We are seeking a highly skilled and experienced Java Developer to lead the design, development, and delivery of scalable, secure, and high-performance enterprise applications. The ideal candidate will possess deep expertise in Java and Spring Boot, strong architectural knowledge, and proven experience leading development teams … high-performing Back End services. Integrate with internal and external systems through APIs, messaging platforms, and event-driven architectures. Ensure compliance with security, performance, and reliability requirements. Architecture & Design Participate in system architecture, technical design discussions, and solution planning. Drive cloud-native development practices and modernization initiatives. Identify ...

AWS Data Engineer

Hiring Organisation
CODEVERSE LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£300 - £420 per day
driving engineering best practices. Role Purpose As a Senior Data Engineer, you will lead the design, build, and operation of scalable, secure, and high-performance data platforms. You'll own end-to-end data pipelines, streaming platforms, and enterprise data stores, ensuring they meet business requirements, DDaT standards … data quality, governance, and lineage. Collaborate with development and integration teams to define API contracts, schemas, versioning strategies, and resilient integration patterns. Optimise SQL performance, pipeline throughput, reliability, and scalability. Implement monitoring, alerting, and operational support for data platforms. Mentor junior engineers and provide technical leadership across the engineering ...

Senior Data Architect

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
hands-on Senior Data Architect who is equally comfortable designing the target state for a multi-system SQL data estate, writing and tuning the T-SQL that delivers it, and standing up the security, monitoring and operational practices that keep it running. You will own data architecture across … framework and PowerShell development at expert level partition design and partition-aligned indexing, clustered/nonclustered index strategy, deduplication, parallel-run cutovers, schema migration, performance tuning of high-impact production queries. Driving the in-flight ETL replatform replacing legacy SSIS jobs with a table-driven, parallel ...

Site Reliability Engineer- London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
including monitoring standards, alert management, incident response, and operational readiness. Perform troubleshooting and root cause analysis of platform and application issues. Support capacity planning, performance tuning, and platform optimisation initiatives. Contribute to documentation, operational procedures, and knowledge sharing within the engineering team. About You OpenSearch (Critical Requirement) Extensive … hands-on experience deploying and managing OpenSearch in production environments. Deep understanding of OpenSearch architecture, cluster design, indexing strategies, shard management, and performance tuning. Experience implementing log aggregation, search, analytics, and observability use cases using OpenSearch. Knowledge of OpenSearch security, access controls, backups, upgrades, and operational best practices. Monitoring ...

SQL Database Engineer

Hiring Organisation
ECS Resource Group Ltd
Location
Bradford, West Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£500 - £550/day Inside IR35 (Umbrella Company)
design, optimise and maintain critical data warehouse solutions. Key Responsibilities Design, develop and maintain SQL Server database and data warehouse solutions. Optimise database performance through query tuning, indexing and database administration best practices. Design and maintain efficient data structures and data architecture to support reporting requirements. Gather … high-quality data solutions. Essential Skills & Experience Advanced SQL Server development skills. Strong Data Warehouse (DW) development experience. Solid Database Administration (DBA) knowledge, particularly: Performance tuning Query optimisation Indexing strategies Database troubleshooting Strong understanding of data architecture and data modelling principles. Experience designing scalable and efficient database structures. ...

Cloud Platform Engineer (Senior / Lead)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
reusable modules, CI/CD pipelines and policy‐as‐code guardrails. Leverage AI agents extensively to automate and optimise platform work—provisioning, cost and performance optimisation, incident response, remediation and documentation. Prepare the infrastructure for AI agents as first‐class “engineers”: safe machine identities, scoped permissions, sandboxes, approval workflows … Partner with data engineering to design and optimise data pipelines, data stores and large‐scale analytics infrastructure such as BigQuery, including query, cost and performance tuning. Mentor engineers, set technical direction and champion strong platform and security engineering standards across the organisation. What you’ll need to succeed Essential ...

Lead Data Engineer / Data Tech Lead

Hiring Organisation
Enablis
Location
Leeds, England, United Kingdom
warehousing solutions Act as a hands-on engineer on complex or high-risk components where required Define and promote best practices for data quality, performance, security and governance Collaborate closely with clients and stakeholders to shape data strategies and solutions Ensure data platforms meet non-functional requirements such … cloud-based data platforms such as AWS (Redshift, Glue), Azure (Data Factory, Synapse) or GCP (BigQuery, Dataflow) Advanced proficiency in SQL, including optimisation and performance tuning Strong experience with ETL/ELT pipelines and data transformation frameworks Programming capability in Python, Scala or Java for data processing Deep ...

Data Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
access controls, row‐level security, dynamic data masking, and PII governance in line with regulatory requirements (GDPR, BCBS 239) Champion Snowflake best practices for performance tuning, clustering keys, materialised views, and query optimisation Evaluate Snowflake‐native capabilities (Snowpark, Cortex AI, Dynamic Tables) and recommend adoption where they accelerate … Formation, IAM, VPC Data Governance Data lineage, cataloguing (Apache Atlas/Collibra/Snowflake Horizon), GDPR, BCBS 239, MDM AI/ML Data Query & Performance SQL optimisation, clustering keys, partitioning, query profiling, cost‐based tuning Data Landscape The Data Architect will work across the following technology landscape. Candidates ...

Senior KDB+ Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Project description We are seeking an experienced Senior KDB+ Developer to design, develop, and optimize high performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale, and close collaboration with business stakeholders—particularly within Risk functions … best practices across the team. Responsibilities Design, develop, and maintain kdb+ tick systems, with a strong understanding of data organisation, schema design, and the performance implications of different architectural approaches. Build and operate solutions handling large scale, high frequency datasets, ensuring low latency, high throughput, and efficient memory usage. ...

Senior .Net Developer

Hiring Organisation
Ascend Consulting
Location
Mill Hill, Dumfriesshire, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 85,000 Annual
Server and SAP Business One backend tables Database Management : Write optimized SQL queries, stored procedures, and indexing strategies to efficiently handle large datasets Performance Optimization : Monitor and enhance API performance, database query execution, and application scalability Documentation : Maintain clear and detailed documentation for APIs, database structures … Code Quality : Conduct code reviews, debugging, and error handling to maintain system reliability Best Practices : Stay up to date with API design standards, database performance tuning, and cloud integration trends What You ll Need 5+ years of backend development experience Strong .NET and C# skills for API development ...

Senior .Net Developer

Hiring Organisation
Ascend Consulting
Location
NW7, Mill Hill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £85000/annum
Server and SAP Business One backend tables Database Management : Write optimized SQL queries, stored procedures, and indexing strategies to efficiently handle large datasets Performance Optimization : Monitor and enhance API performance, database query execution, and application scalability Documentation : Maintain clear and detailed documentation for APIs, database structures … Code Quality : Conduct code reviews, debugging, and error handling to maintain system reliability Best Practices : Stay up to date with API design standards, database performance tuning, and cloud integration trends What You’ll Need 5+ years of backend development experience Strong .NET and C# skills for API development ...

Senior Technology Architect Snowflake

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
technology evaluations, and platform transformation initiatives. Establish governance, security, resilience, scalability, and cost‐optimization frameworks. Lead Snowflake architecture covering security, governance, RBAC, data sharing, performance optimization, and multi‐environment strategy. Define enterprise data platform standards and operational best practices. Guide warehouse sizing, workload management, performance tuning ...