1 to 25 of 213 Permanent Performance Tuning Jobs

Senior MongoDB Engineer

Hiring Organisation
Tanantech
Location
Wolverhampton, West Midlands, United Kingdom
Employment Type
Permanent
involving OCR ingestion, multi-stage workflows, and external integrations. We are looking for a hands-on MongoDB expert 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. 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 performance ...

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 ...

MySQL DBA (Database Administrator) framingham, MA (Onsite)

Hiring Organisation
Jobs
Location
Framingham, Massachusetts, United States
Employment Type
Any
Salary
USD Annual
depth knowledge of MySQL versions 5.5, 5.6, 5.7, 8 and 8.4. Install, configure, and maintain MySQL databases to ensure their operational efficiency. Tune database performance and execute backup and recovery strategies to ensure data integrity and security. Monitor database performance and proactively address potential issues or bottlenecks. Hands … experience in performance tuning and query optimization. Implement security measures in line with compliance standards and best practices. Work with software developers to optimize queries and improve database design. Solid understanding of Unix/Linux system administration related to MySQL. Proficiency in writing complex shell scripting for automation. ...

Senior Azure Data Engineer

Hiring Organisation
Owen Reed
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£57,000 - £64,000 per annum
within multidisciplinary Agile teams, providing both hands-on engineering and technical leadership. This role offers the opportunity to solve complex data challenges, improve platform performance, and help clients maximise the value of their data environments. Responsibilities • Support and enhance data platforms built on Microsoft Fabric, Azure Data Factory … proactively resolve data pipeline and platform issues across multiple environments. • Design and implement CI/CD pipelines for data workflows and deployments. • Lead performance tuning, optimisation, and reliability improvements across data platforms. • Collaborate with stakeholders to gather requirements and translate technical challenges into actionable solutions. • Build and maintain ...

Senior Java Developer (Low-Latency Payments Systems)

Hiring Organisation
RE Partners
Location
London Area, United Kingdom
based in the UK or US and offers the opportunity to build scalable, real-time services using modern technologies. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities … DevOps, Product, and QA teams to ensure production-grade solutions. Participate in architectural discussions, advocate for best practices, and provide mentorship to peers. Drive performance tuning, fault tolerance, and observability improvements across services. Required Skills & Experience: 5+ years of experience in Core Java development with a focus ...

SQL Server and Data Platform Engineer

Hiring Organisation
Clarksons
Location
London Area, United Kingdom
Azure SQL, Cosmos DB, Azure Data Factory, and Power BI. What You’ll Do Manage and support SQL Server environments (including Always On, upgrades, performance tuning, HA/DR) Improve how data moves through the platform using Azure Data Factory and related tools Build automation and CI/… make data more reliable and easier to use What We’re Looking For Strong SQL Server experience in production environments Good understanding of performance tuning, indexing, and high availability Experience with upgrades, backups, and disaster recovery Some exposure to Azure SQL or cloud data platforms Interest in automation ...

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 ...

Principal Java Engineer

Hiring Organisation
RE Partners
Location
City of London, London, United Kingdom
based in the UK or US and offers the opportunity to build scalable, real-time services using modern technologies.If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities: Design … with DevOps, Product, and QA teams to ensure production-grade solutions. Drive architectural changes, advocate for best practices, and provide mentorship to peers. Drive performance tuning, fault tolerance, and observability improvements across services. Required Skills & Experience: 10+ years of experience in Java development with a focus on performance ...

Principal Java Engineer

Hiring Organisation
RE Partners
Location
Milton Keynes, England, United Kingdom
hybrid role is based in the UK and offers the opportunity to build scalable, real-time services using modern technologies.If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities … with DevOps, Product, and QA teams to ensure production-grade solutions. Drive architectural changes, advocate for best practices, and provide mentorship to peers. Drive performance tuning, fault tolerance, and observability improvements across services. Required Skills & Experience: 10+ years of experience in Java development with a focus on performance ...

Senior Linux/Oracle DBA

Hiring Organisation
Proactive Appointments
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
enterprise Linux/AIX systems , ideally gained within a banking or financial services environment . You'll be responsible for ensuring the stability, performance, and availability of business-critical banking and finance applications, working closely with senior IT stakeholders and wider application teams. Key Responsibilities Administer, maintain, and optimise … databases supporting Flexcube banking applications Manage Linux (RHEL/Oracle Linux) and AIX environments hosted on IBM Power 10 infrastructure Perform system upgrades, patching, performance tuning, and capacity planning Support high availability and disaster recovery solutions using Oracle RAC, ASM, RMAN, and Data Guard Collaborate with application ...

Database Administrator

Hiring Organisation
4M Recruitment
Location
Nationwide, United Kingdom
Employment Type
Permanent
Salary
£60000 - £67000/annum
responsible for the design, implementation, management and maintenance of database systems ensuring they operate efficiently, securely and reliability. This will include database management, performance tuning, backup and recovery, upgrade, patch management and trouble shooting. The ideal candidate will have the following skills and experience: Oracle and PostgreSQL databases … Database management, performance tuning, backup and recovery, upgrade, patch management Problem solver Excellent attention to detail Good team player Relevant certifications (e.g., Oracle Certified Professional, Microsoft Certified: Azure Database Administrator) is a plus but not essential. Salary: £55,000 - £62,000 Car Allowance: £5000 Excellent company benefits including ...

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 UK LTD
Location
Preston, Lancashire, 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 ...

Snowflake/Dataops Data Engineer Technical Lead

Hiring Organisation
Mphasis
Location
United Kingdom
resolve data pipeline failures and data test failures Optimise and improve data pipelines Utilise Snowflake best practices and features to optimise credit usage and performance Work with Data Consumers to optimise queries and improve consumption of data Technical skills A background in SQL and principles of data warehousing Snowflake … Docker and Linux Hands on experience with DBT Expertise in Snowflake advanced concepts like setting up resource monitors, RBAC controls, virtual warehouse sizing, query performance tuning Expertise in deploying Snowflake features such as data sharing Experience with data security and data access controls and design Experience with ...

Cloud Data Architect

Hiring Organisation
Quantiphi
Location
United Kingdom
Architect and implement scalable, secure, and highly available data platforms on AWS Drive schema conversion and modernization strategies (heterogeneous migrations where applicable) Optimize performance of source and target systems pre- and post-migration Manage and govern S3-based data lakes and metadata using Glue Data Catalog Collaborate with application … working with S3-based data lakes and Glue Data Catalog Strong understanding of CDC, transaction consistency, and migration cutover strategies Hands-on experience with performance tuning, schema design, and query optimization Proficiency in Python/PySpark and scripting (Shell/Python) Experience with Oracle, SQL Server, MySQL, PostgreSQL ...

Senior Backend Engineer

Hiring Organisation
MarkIT Placements
Location
West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
e.g. Celery, Redis Streams, Kafka) to enable scalable async workloads, retries, and fault-tolerant integrations. Design data models and optimise relational databases (PostgreSQL) for performance, partitioning, and horizontal scale. Introduce caching, rate limiting, and queuing to meet performance budgets and latency goals. Integrate with AI pipelines and model … Foundry-based application development. Proven experience designing and operating production REST APIs with OpenAPI/Swagger. Deep understanding of relational database design, indexing, performance tuning, and migrations (PostgreSQL). Proficiency with containerisation (Docker) and Git-based workflows. Experience with API versioning, security, documentation strategies, and automated testing. Strong ...

Progress OpenEdge Database Administrator

Hiring Organisation
Riverside Group
Location
Liverpool, Merseyside, England, United Kingdom
Employment Type
Full-Time
Salary
£47,596 - £52,606 per annum
Open Edge Database Administrator Contract Type: Fixed term contract 18 months Salary: £47,596 Per annum (£52,606 is achieved after 12 months successful performance in the role) Working Hours: 35 Hours per week Working Pattern: Monday-Friday/Hybrid Location: LiverpoolIf you share our values and are excited … meet all the essential criteria on the job description.The difference you will make as a Progress Open Edge Database AdministratorYou will Own the stability, performance, security, and lifecycle of Progress OpenEdge databases and the Pro2 replication estate. You will design, build, tune and operate mission-critical Progress environments (PASOE ...

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 ...

Database Administrator

Hiring Organisation
Amelco Limited
Location
London Area, United Kingdom
Python, Bash and/or Ansible to automate routine maintenance tasks, deployments and monitoring services. Technical Requirements & Experience 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 ...

Senior Software 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 ...

Site Reliability Engineer

Hiring Organisation
EQUALS
Location
Greater London, England, United Kingdom
Monitoring & Observability - Own the Datadog APM setup: tracing, alerting, dashboards, log management - Maintain and tune alert channels integrated with Slack - Reduce alert fatigue by tuning thresholds, suppressing false positives, and downgrading non-actionable errors - Be the first responder when something breaks in production Reliability & Incident Response - Investigate and resolve … production incidents end-to-end: detection, root cause analysis, fix, and post-mortem - Handle database performance issues: slow query identification, index creation, query optimization, connection pool tuning - Manage queue system reliability (BullMQ on Redis): concurrency tuning, rate limiting, stalled job handling, autoscaling - Ensure graceful handling of failovers ...

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 ...

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 ...