1 to 25 of 118 Performance Tuning Jobs

Senior MongoDB Engineer

Hiring Organisation
Tanantech
Location
Wolverhampton, West Midlands, United Kingdom
Employment Type
Permanent
ingestion, multi-stage workflows, and external integrations. We are looking for a hands-on Senior MongoDB Engineer with deep experience in database design, performance tuning, and cluster management within AWS cloud environments. This role requires someone who has worked extensively on production-grade MongoDB clusters, ensuring high availability … performance, and resilience in distributed systems. Senior MongoDB Engineer Key Responsibilities: MongoDB Architecture & Engineering Design and implement scalable MongoDB data models (schema design) for: Build and manage MongoDB clusters (replica sets & sharded clusters) Performance Tuning & Optimization Perform advanced query optimization and indexing strategies Proactively identify and resolve ...

Senior Linux/Unix Admin

Hiring Organisation
Morgan McKinley
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
experienced Senior Administrator specialising in Unix/Linux environments and database management within the financial services sector. This role is critical to the stability, performance, and scalability of a recently implemented core banking platform (live since October). The successful candidate will be expected to hit the ground running … enterprise databases (including SQL Server and Oracle environments) supporting core financial applications Manage and support clustered database environments, including Oracle RAC Ensure high availability, performance tuning, and data integrity across all database platforms Application & Web Layer Support Support and manage front-end application environments, with experience in Flexcube ...

Senior SQL Developer

Hiring Organisation
Damia Group Ltd
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day
successful candidate will work on complex database systems supporting real-time data processing, reporting, and business intelligence. Responsibilities Design, develop, and maintain high-performance SQL queries, stored procedures, and functions . Work with large, transactional databases and optimise SQL code for performance and scalability. Collaborate with data engineers … tasks to feed analytics platforms. Troubleshoot and resolve database issues, ensuring data integrity, security, and availability . Assist in data modelling, schema design, and performance tuning across multiple environments. Maintain clear technical documentation and follow best practices for version control and deployment . Required Skills & Experience Strong experience ...

Lead Database Administration

Hiring Organisation
Zensar Technologies
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£65,000
database clusters. Plan and execute robust backup and recovery strategies, including point-in-time recovery, cross-region DR, and business continuity solutions. Perform database performance tuning by analysing execution plans, identifying bottlenecks, optimizing queries, indexes, and stored procedures, and improving I/O efficiency. Lead capacity planning … Server in enterprise environments. Exposure to modern and distributed databases such as SingleStore, Netezza, and YugabyteDB. Solid experience in HA/DR architecture, performance tuning, security, and capacity planning. Hands-on experience with AWS and/or GCP managed database services. Strong automation and scripting skills using Python ...

SQL Database Developer

Hiring Organisation
Noir
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £85,000 per annum
Database Developer - Data-Driven Software Company - London (Tech stack: SQL Database Developer, SQL Server 2022, PostgreSQL, C#, T-SQL, SSIS, SSRS, SSAS, Performance Tuning, Query Optimisation, Software Development, Data Engineering, SQL Database Developer) Founded in 2015, our client is a rapidly growing software company focused on delivering high … performance data solutions for enterprise clients. With a strong presence across the U.S. and Europe, they're now scaling their operations in the UK to support growing demand for their cutting-edge data products and services. To support this expansion, they are on the lookout for a talented ...

PostgreSQL DBA

Hiring Organisation
Experis
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£390 - £440/day
upskilling or learning; we require proven expertise in cloud-based database administration, automation, and infrastructure-as-code. Key Responsibilities Database Administration: Own installation, upgrades, performance tuning, troubleshooting, and disaster recovery for PostgreSQL, MySQL, and MongoDB. Design and execute database maintenance plans and housekeeping to ensure optimal performance … pipeline setup. Required Skills & Experience Proven production DBA experience in cloud-based environments. Hands-on expertise in PostgreSQL (Essential), MySQL, and MongoDB. Strong performance tuning and troubleshooting skills. Terraform proficiency is mandatory; ability to design, deploy, and manage database infrastructure using Infrastructure-as-Code (IaC). Experience working ...

Virtualization Engineer (Ref: 18371)

Hiring Organisation
Professional Technology Integration, Inc
Location
Harrisburg, Pennsylvania, United States
Employment Type
Any
Salary
USD Annual
lifecycle management of the enterprise VMware virtualization environment. This role serves as a subject matter expert across the full VMware ecosystem, ensuring high availability, performance, security, and scalability of virtualized compute, storage, and networking platforms. The ideal candidate has extensive hands on experience with VMwares core infrastructure products … virtualization infrastructure. Manage and optimize vCenter Server operations, templates, host profiles, and distributed configurations. Implement and support VMware vSAN, including storage policy design, troubleshooting, performance optimization, and capacity planning. Architect and maintain VMware NSX T networking and security components, including micro segmentation. Administer VMware Cloud Foundation (VCF) and integrated ...

DBA - DV Cleared

Hiring Organisation
Hays
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£600.0 - £650.0 per day + £600 day rate contract inside IR35
support, stability, and availability of Oracle databases. Key Responsibilities: Day-to-day administration of Oracle databases (11g/12c/19c) Database monitoring, performance tuning, and issue resolution Backup, restore, and recovery using RMAN Managing database security, users, roles, and access controls Supporting patching, upgrades, and routine maintenance … requests Essential Skills & Experience: Strong hands-on experience as an Oracle DBA Oracle Database administration (11g/12c/19c) Backup and recovery (RMAN) Performance tuning and troubleshooting Linux/Unix environments Experience working in secure or regulated environments Security Requirements: ACTIVE DV clearance (must be current ...

DBA - DV Cleared

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£600 - £650 per day
support, stability, and availability of Oracle databases.Key Responsibilities:Day-to-day administration of Oracle databases (11g/12c/19c)Database monitoring, performance tuning, and issue resolutionBackup, restore, and recovery using RMANManaging database security, users, roles, and access controlsSupporting patching, upgrades, and routine maintenanceWorking within secure, regulated environments … service requestsEssential Skills & Experience:Strong hands-on experience as an Oracle DBAOracle Database administration (11g/12c/19c)Backup and recovery (RMAN)Performance tuning and troubleshootingLinux/Unix environmentsExperience working in secure or regulated environmentsSecurity Requirements:ACTIVE DV clearance (must be current and transferable)UK national with ...

Oracle Developer

Hiring Organisation
Expleo Group
Location
Preston, Lancashire, North West, United Kingdom
Employment Type
Permanent
applications built on Oracle technologies. This role focuses on maintaining and improving existing systems, resolving production issues, implementing enhancements, and ensuring the stability and performance of Oracle-based business applications. The ideal candidate will have strong hands-on expertise in Oracle Database 19c, PL/SQL, and application maintenance … constraints. Support data fixes, data migration, and data validation activities in production and non-production environments. Ensure database code aligns with best practices, performance standards, and security guidelines. Application Maintenance & Production Support Provide day-to-day support and maintenance for Oracle-based applications across multiple environments. Troubleshoot and resolve ...

Oracle DBA

Hiring Organisation
Bruin Financial & Professional Services
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£80,000 per annum
focus on Oracle environments, Linux/AIX administration, and core banking systems. The successful candidate will play a key role in ensuring the stability, performance, security and scalability of critical platforms within a highly regulated environment. The role Administer and optimise Oracle databases within critical banking platforms Manage … maintain Linux (RHEL/Oracle Linux) and AIX environments Perform upgrades, patching, tuning and performance optimisation across infrastructure and database layers Support backup, recovery and disaster recovery processes using RMAN and Data Guard Work closely with application and infrastructure teams to troubleshoot production issues Automate routine administration tasks ...

Senior Java Developer Payments Contract Dublin 6-18 Months

Hiring Organisation
Adecco
Location
Dublin, County Dublin, Ireland
Employment Type
Contractor
Contract Rate
Salary negotiable
rolling up to potentiality 18-20 months. My client is looking for a senior developer to perform hands-on development of high throughput, high performance, and data intensive platforms, as well as be an active contributor to ongoing efforts to evolve their architecture. You will partner with multiple Information … skills in multi-threading, collections framework, JDBC and knowledge of Java profiling tools. Proficiency with frameworks just as Spring/Spring Boot, Knowledge of performance tuning data intensive applications. Expertise in performance profiling, ability to identify performance improvements and memory optimisation.Strong coding, debugging, and analytical skills ...

DBA

Hiring Organisation
UA Consulting
Location
City of London, London, United Kingdom
Employment Type
Contract
Terraform, Ansible and on prem. Data Pipelines: Kafka, CDC (Change Data Capture) tools like Debezium. Technical Requirements Essential Expert-level knowledge of **PostgreSQL** (Performance tuning, vacuuming, indexing). Hands-on experience with **ClickHouse** (managing clusters, MergeTree engines, and tuning for high-concurrency). Proficiency in **Snowflake** administration ...

Senior Data Engineer

Hiring Organisation
Winsearch
Location
Bristol, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 68 Hourly
highly secure engineering and technology programme seeking an experienced Senior Data Engineer to support the design, development and delivery of secure, scalable and high-performance data solutions within a regulated environment. This role will focus heavily on the Elastic Stack and Apache NiFi, supporting enterprise-scale data ingestion, transformation … pipelines - Ensure high standards of data quality, integrity and traceability across all systems Elastic Stack & Platform Management - Configure, optimise and maintain Elasticsearch clusters for performance and resilience - Develop and maintain Logstash pipelines for efficient data processing - Create dashboards and visualisations within Kibana to support operational and strategic reporting - Monitor ...

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 ...

Application Developer

Hiring Organisation
E.surv Limited
Location
Kettering, Northamptonshire, East Midlands, United Kingdom
Employment Type
Permanent
other relational database management systems, maintenance plans, database user and security audit with a proven track record on how to achieve maximum database performance by analysing execution plans, indexes, query performance tuning and other SQL best practices. Proven and demonstrable experience in web programming using the Django … management systems including SQL. Expertise in provision, implementation, maintenance and evolution of the e.surv data warehouse, databases and associated technology whilst also ensuring maximum performance from systems. Good working knowledge of the Linux and Windows command line interfaces. Good working knowledge of user interface design technologies. Ability to coach ...

Senior .Net Back End Developer

Hiring Organisation
Ascend Consulting
Location
North West London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £80,000 per 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 skills for API development and business ...

Splunk Developer

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
From £350 to £400 per day
Splunk solution design including data onboarding, data models, dashboards, alerts, and ITSI objects. Review and govern Splunk development standards, SPL performance, and configuration best practices. Provide technical guidance, mentoring, and code reviews for Splunk developers and support teams. Splunk Core & ITSI Design and implement Splunk ITSI components including: oServices … service hierarchies oKPIs & thresholds oGlass Tables oEpisode review and correlation search tuning Build service centric monitoring aligned to business and application landscapes. Configure entity extraction, service templates, and adaptive thresholds. Data Onboarding & Engineering Lead onboarding of diverse data sources: oApplication logs, infrastructure metrics, APM data, cloud logs, and security ...

DevOps & Infrastructure Engineer

Hiring Organisation
Computer Futures
Location
United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 70,000 Annual
related events Monitoring, Reliability & Support Implement monitoring, alerting, and observability across infrastructure and applications Define SLAs/SLOs and ensure systems meet availability and performance requirements Provide 3rd line support and escalation for complex infrastructure issues Conduct capacity planning, performance tuning, and reliability improvements Lifecycle & Maintenance Manage ...

Senior Data Analyst

Hiring Organisation
Eden James Consulting Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
stack (Data Factory, Synapse/Fabric, SQL-based semantic layers). Advanced Power BI: data modelling (star schemas), advanced DAX, Power Query/M, performance tuning, RLS and deployment via pipelines. A strong understanding of Power BI engineering discipline: PBIP/TMDL source format, Git-based version control … with demonstrable experience in a team setting. Proven ability to carry out peer review and QA of analytics work, spotting model errors, DAX issues, performance problems and UX weaknesses. Excellent written and verbal communication skills, including presenting to underwriting and senior stakeholders, with a track record of turning ambiguous ...

Senior Software Engineer (Data Engineering)

Hiring Organisation
IntaPeople
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 495 Daily
pipelines, including ETL/ELT workflows, batch processing, and scheduled data builds. Strong understanding of data modelling, transformations, and downstream data consumption. Experience with performance tuning for backend services or data pipelines. Proficient SQL skills for data analysis, validation, and troubleshooting. Experience working with data warehouses, data lakes ...

Senior Software Engineer (Data Engineering)

Hiring Organisation
IntaPeople
Location
Remote, Sutton South, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £495/day
pipelines, including ETL/ELT workflows, batch processing, and scheduled data builds. Strong understanding of data modelling, transformations, and downstream data consumption. Experience with performance tuning for backend services or data pipelines. Proficient SQL skills for data analysis, validation, and troubleshooting. Experience working with data warehouses, data lakes ...

Junior Data Engineer

Hiring Organisation
Pontoon
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
£36,000 - £41,000 per annum
variety of database technologies including relational, NoSQL, MPP and columnar stores (BigQuery, Redshift, Azure SQLDW, HBase, MongoDB). Build optimised, scalable data models. Apply performance tuning and optimisation across storage. Ensure secure handling of data including authentication, authorisation, encryption. Implement monitoring, alerting for large-scale distributed data workloads. ...

Senior Database Administrator

Hiring Organisation
Bis Henderson
Location
Cannock, Staffordshire, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£60,000
support and optimise mission-critical SQL Server environments across a fast-paced, high-volume operational business. This hands-on role focuses on database performance, security, scalability, and continuous improvement, ensuring systems remain reliable and efficient in real-time transactional environments. Key Responsibilities: Write, optimise, and maintain SQL code supporting … integrity, consistency, and quality across all database systems Support developers and analysts with scalable and efficient data access solutions Monitor, troubleshoot, and improve database performance across live environments Analyse execution plans and optimise queries, indexing, and statistics Resolve locking, blocking, and deadlock issues within transactional systems Investigate and resolve ...

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 ...