1 to 25 of 223 Performance Tuning Jobs

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 ...

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 ...

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 ...

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 ...

multiple data pipelines, domains, or workstreams. • Translate data architecture into scalable, production grade implementations. • Define and enforce engineering standards, frameworks, and reusable accelerators. • Drive performance tuning, cost optimization, and reliability of AWS data platforms. • Guide teams on best practices for Glue, Redshift, S3, PySpark, and Python. • Work closely … regulatory compliance o Data quality, observability, lineage, and metadata management • Operations & Reliability o Backup, recovery, DR strategies for AWS data platforms o Cost optimization, performance tuning, and operational excellence Functional Relevance of Work Experience • Proven experience leading medium to large AWS data platform transformation programs. • Strong background ...

Networking & Security: Experience with GCP Cloud Armor, GCP Networking, and embedding secure-by-design controls from design to runtime. • Automation & Observability: Implementing actionable observability, performance tuning, and automation to reduce toil. Defining and operating against SLOs/SLIs. • Scripting & Tooling: Scripting in Bash, PowerShell, or Python. Familiarity with … managing Google resources, ensuring repeatability and compliance. • Security & Compliance: Embed security best practices and controls throughout the platform lifecycle, safeguarding organisational and customer data. • Performance & Reliability: Define, monitor, and operate against service level objectives (SLOs/SLIs), ensuring high availability, performance, and fault tolerance. • Continuous Improvement: Drive automation ...

Snowflake Own end‐to‐end modernization initiatives from Teradata → Snowflake Lead development of data models ETL processes and data integration strategies Define data modeling, performance tuning, and SQL optimization standards Ensure scalable, secure, and cost‐efficient Snowflake usage Evaluate and recommend tools and technologies to enhance data management … from a wide variety of data sources using Apache suites( airflow, spark), SQL, Python and ETL. Required Technical Skills Core Technologies Teradata Strong SQL, performance tuning BTEQ scripting Experience with utilities (FastLoad, MultiLoad, TPT – preferred) Snowflake Snowflake architecture (virtual warehouses, storage, micro‐partitioning) SQL optimization and cost governance ...

Databricks, BigQuery, Redshift, Cloudera, Synapse, or similar). Strong understanding of data warehousing, data lakes/lakehouse, and ETL/ELT concepts (staging, modeling, performance tuning, cost/perf tradeoffs). Data engineering and integration including unstructured data processing (PDFs, logs, images, text) and transformation into structured/… vectorized formats Strong SQL skills for analytical queries, performance tuning, and data modeling (star/snowflake schemas, dimensional modeling, partitioning, clustering). Unstructured data & AI/RAG: Understanding of vector databases (e.g., Elasticsearch, Milvus, pgvector), embedding models, and RAG architectures. Familiarity with document processing pipelines, chunking strategies ...

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 ...

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 ...

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 ...

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 ...

technology, data, and insurance, supporting critical applications used across underwriting, claims, and finance functions. You’ll play a key role in ensuring the stability, performance, and integrity of systems that underpin core business operations. This is an excellent opportunity for someone who enjoys hands-on troubleshooting, working with complex … issues across integrated platforms (downstream systems) Write and optimise advanced SQL queries (T-SQL) for troubleshooting and reporting Manage and maintain SQL Server databases (performance tuning, backups, optimisation) Develop and support SSIS data pipelines and SSRS reports Work closely with internal teams and third-party vendors to resolve ...

move toward predictive analytics and ML Ops workflows. Role The Data Engineer will own and assess the Snowflake platform, proposing and executing optimisation around performance, cost, scalability, and architecture improvements. Lead DBT development and maintenance, with emphasis on test frameworks, transformation efficiency, and eliminating redundant or resource-heavy flows … maintain CI/CD pipelines to automate reliable deployment of data transformations. Provide deep insight into Snowflake infrastructure, including cost and pricing models, performance tuning, and resource governance. Support ML Ops/predictive analytics operationalisation - managing updates, performance monitoring, and change rollout rather than building models from ...

across podcasting, video and next generation consumer experiences. Their analytics and BI capability sits at the heart of digital strategy, supporting product teams, content performance and audience engagement. The business is actively modernising its data stack, moving away from legacy BI platforms toward scalable, best in class solutions. … optimise Power BI solutions, covering data modelling, DAX and semantic layers. Design robust data models using star schema principles and well managed relationships. Own performance tuning across Power BI models and reports to ensure scalability and usability. Partner closely with data engineering and analytics to shape high quality ...

growing IT function, working on business-critical database platforms. THIS IS A 6 MONTH CONTRACT VACANCY This role will focus on SQL Server development, performance tuning, and database optimisation , supporting high-availability systems in a fast-paced environment. Key requirements: Strong SQL Server experience (T-SQL, stored procedures … indexing) Experience with SSIS/SSRS Solid background in performance tuning and optimisation Understanding of database security, compliance and high availability Exposure to cloud (Azure/AWS) is beneficial What’s on offer: Opportunity to work on critical, data-driven systems Collaborative environment across development & infrastructure teams ...

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 ...

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 ...

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 ...

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 ...

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 ...

including CI/CD pipeline implementation using Azure Devops , Visual Studio and Octopus Deploy . The successful candidate will be responsible for database administration, performance optimization, automation, and supporting DevOps practices to ensure secure, highly available, and scalable database environments. Key Responsibilities Database Administration Install, configure, upgrade, and maintain … Azure VMs . Perform backup, restore, disaster recovery , and high availability (Always On, Failover Groups, Log Shipping). Monitor database health, capacity, and performance. Performance & Optimization Identify and resolve performance bottlenecks using execution plans, indexing strategies, and query tuning. Optimize database schemas, stored procedures, and SQL queries. Implement ...

that meet business needs Integrate and interface data between core systems and reporting platforms (e.g., Azure Data Factory, web services/APIs) Optimise database performance (indexes, stored procedures, tuning, monitoring) Produce clear technical documentation using defined templates and standards Investigate, analyse, and document defects and work collaboratively with … + report development) DAX Data warehouse methodologies APIs/web services Database design and administration (SQL Server 2008–2016 incl. SSMS, security, user admin) Performance tuning & monitoring Azure SQL Server JSON/XML Desirable Knowledge/experience of .NET and C# Experience using Azure Data Factory for pipelines ...

Server DBA responsible for the design, administration, optimisation, and support of mission-critical database platforms within a regulated financial services environment. Ensures high availability, performance, security, and compliance across production systems. Key Responsibilities Administer and support Microsoft SQL Server environments (on-prem and cloud/Azure) Manage installation, configuration … patching, and upgrades of SQL Server instances Monitor database performance and carry out tuning, optimisation, and capacity planning Implement and maintain high availability and disaster recovery solutions (e.g. Always On, clustering, backups) Troubleshoot and resolve production issues, ensuring minimal downtime and service impact Design and maintain backup, recovery ...

Server DBA responsible for the design, administration, optimisation, and support of mission-critical database platforms within a regulated financial services environment. Ensures high availability, performance, security, and compliance across production systems. Key Responsibilities * Administer and support Microsoft SQL Server environments (on-prem and cloud/Azure) * Manage installation, configuration … patching, and upgrades of SQL Server instances [Robert Mas...l Engineer | Word] * Monitor database performance and carry out tuning, optimisation, and capacity planning [Robert Mas...l Engineer | Word] * Implement and maintain high availability and disaster recovery solutions (e.g. Always On, clustering, backups) * Troubleshoot and resolve production issues, ensuring minimal downtime ...