1 to 25 of 55 Performance Tuning Jobs in London

Database Maintenance & Security: Manage and support MS SQL Servers, designing data backups, reviewing security procedures, managing user permissions, and applying crucial patches or upgrades. Performance Tuning & Optimisation: Monitor, optimise and deliver performance tuning or modifications to software code and database migrations to ensure high availability ...

environments to a modern, cloud-first Azure ecosystem. This is a hands-on engineering role with significant influence. You'll own the reliability, security, performance and continuous improvement of our data platforms while helping shape the architecture, tooling and operational practices that support the next generation of data … opportunity to: Lead the transformation of our data platform towards Azure and Microsoft Fabric. Influence engineering standards, platform strategy and best practices. Solve complex performance, scalability and resilience challenges. Drive automation, observability and operational excellence. Work with modern cloud technologies in a highly regulated environment where reliability and security ...

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 ...

Lambda; strong PySpark/Python and SQL for large-scale batch processing. Data engineering at scale in government or similarly complex domains, including performance tuning and data quality management. CI/CD & DevOps: pipelines and IaC (e.g., Terraform), automated testing, and release governance. Version control & collaboration: Git/ ...

championing best practices in DataOps, observability, and dimensional modelling. You'll play a key role in enabling Data Product delivery by building reliable, high-performance data pipelines, enhancing metadata and data catalog capabilities, and embedding AI tools and use cases within the engineering team. Working in an agile environment … collaborations and relationships with other CRUK Data & Technology teams (e.g. Engineering, Architecture, Data Operations and Governance), departments and partners. Drive best practice and high-performance software delivery through DataOps principles to automate workflows, improve data quality, and accelerate delivery Establish observability frameworks (monitoring, logging, alerting) to ensure data pipeline ...

data structures Hands-on experience with AWS cloud services, particularly: EC2, RDS, Lambda, Athena, Glue Expertise in relational and/or NoSQL databases, including performance tuning Proficiency in Python or similar programming/scripting languages Experience with Test Driven Development (TDD) and automated testing frameworks Desirable Skills Familiarity ...

ElastiCache, and Lambda. Own the monitoring and observability stack using Datadog APM to reduce alert fatigue and lead incident response. Optimize data pipelines and performance, including Airbyte replication and PostgreSQL tuning for high-concurrency music streaming. The ideal candidate: Deep expertise in AWS (ECS/Fargate … Infrastructure-as-Code using Pulumi, Terraform, or CDK. Strong PostgreSQL and Redis knowledge, specifically regarding performance tuning, indexing, and connection pooling at scale. Proven experience in incident response and CI/CD management, with the ability to stay calm and diagnose issues in production. #J-18808-Ljbffr ...

senior role (up to £75K), additionally: Proven experience supporting CRM or Dynamics 365 data migrations Data reconciliation and validation experience at a project level Performance tuning of complex SQL/T-SQL at scale Confidence taking ownership of workstreams and mentoring junior team members Desirable for both: PySpark ...

role requires a database reliability expert who can thrive in a dynamic environment, supporting and enhancing highly available, highly reliable database deployments, ensuring optimal performance, and mentoring junior engineers to support our applications. This position will play a vital role in ensuring my clients containerization initiatives succeed and support … Kubernetes and Docker, with substantial experience in automating reliable deployments, building and maintaining resilience within the database platform, secure database operations methodologies, observability and performance management. We are also exploring other NoSQL database engines to support our production strength applications, so experience with diverse database systems is a plus. ...

Data Warehousing, AWS, SQL Server DBA/Data Engineer) Founded in 2010, 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 … their expansion, they are looking for a talented SQL/Data Engineer. In particular, they are looking to move into the field of high-performance data analytics. contribute to the ongoing development and performance optimisation of their mission-critical data platforms. Our client is looking for passionate ...

Register database. This role is accountable for the strategic and operational stewardship of HFEAs key databases, including The Register, with responsibility for performance, security, availability, integrity and continuous improvement. Working closely with IT and business stakeholders, the postholder will lead the planning and delivery of upgrades and migrations … daily operational assurance of SQL Agent jobs, PRISM failed tables and Service Broker queues, driving timely remediation and continuous improvement. Lead weekly performance and reliability reviews of PRISM indexing, deadlocks, SQL Server health and automated maintenance tasks, identifying trends, risks and preventative actions. Own the triage and resolution ...

Define environment strategies (dev/test/prod), CI/CD pipelines, and release processes for Databricks deployments Implement monitoring, logging, cost optimisation, and performance tuning across the platform Design and implement data pipelines using Delta Live Tables, Auto Loader, and Databricks Workflows for both batch and streaming … GDPR, ISO 27001, sector-specific standards) What success looks like in the role: Delivery of robust, secure, and scalable Databricks platforms that meet client performance and cost expectations Clear, well-architected solutions that balance flexibility, governance, and operational efficiency Strong client relationships built on trust, technical credibility, and effective ...

deliver scalable solutions Design and enhance data pipelines, reporting solutions, and operational tooling Support and improve critical business applications and databases Contribute to performance tuning, automation, and continuous improvement initiatives Collaborate with development teams across the wider technology function Requirements Strong commercial experience working with SQL and relational ...

transactions and flows Driving projects from inception through design, build, testing and release Core requirements: Strong C#/.NET development experience Advanced SQL skills (performance tuning, complex queries, data modelling) Azure cloud experience (App Services, Functions, Service Bus, DevOps etc.) Experience building highly available, resilient systems Excellent communication ...

release Core requirements: Strong C#/.NET development experience Microservices - Back-end focus on your skills is a must RabbitMQ Advanced SQL skills (performance tuning, complex queries, data modelling) Azure cloud experience (App Services, Functions, Service Bus, DevOps etc.) Experience building highly available, resilient systems Excellent communication skills ...

C++) - Experienced in data persistence across SQL (Postgres, MySQL), NoSQL (Cassandra, MongoDB) and TSDB ( TimescaleDB , InfluxDB , Prometheus TSDB) - Skilled in schema design, optimisation and performance tuning Distributed Systems & State Management - Strong understanding of distributed systems, transaction management and telemetry pipelines - Understands how state is managed across multiple systems ...

offers a professional environment that values technical expertise and effective management. Description Oversee core banking application environments, including patching, EOD processing, and system performance Provide hands-on support for application failures and ensure rapid resolution Collaborate with infrastructure teams on system performance, backup, and recovery Lead and manage … changes, projects, and BAU enhancements Plan and manage workloads, timelines, and resource allocation Ensure effective application support, incident management, and SLA adherence Implement monitoring, performance tuning, and optimisation strategies Manage vendor relationships and ensure third-party support continuity Oversee application upgrades, patches, and maintenance with minimal disruption Maintain ...

code principles). Participate in code reviews to ensure high-quality deliverables. Take ownership of complex technical problems from discovery through delivery, balancing maintainability, performance, security, and business value. Develop and maintain system features with a focus on performance and scalability. Collaborate effectively with Product Owners, Scrum Masters … modernization involving VB.NET, VB6, or older .NET Framework systems. Front-end development using React, Blazor, or similar frameworks. Third-party integrations and vendor platforms. Performance tuning, observability, monitoring, and production support. Benefits & Perks 4 X Life insurance Pension scheme 5% employer contribution Private Healthcare 25 days Holiday (plus ...

engineering standards and CI/CD practices across the platform. The Role You'll play a key role in building and evolving a high-performance Databricks lakehouse platform, taking ownership from ingestion through to production deployment. Key responsibilities include: Design, build and operate end-to-end data pipelines using … mature CI/CD pipelines for data engineering (testing, deployment, versioning) Develop reusable, production-ready data frameworks and patterns Drive engineering best practice across performance, security, reliability and cost optimisation Lead technical design decisions and influence long-term data platform strategy Mentor other engineers and raise overall data engineering ...

ground running. Extensive Database experience, focusing on PostgreSQL, MySQL Server and CosmosDB Strong Infrastructure as Code (IaC) and Automation Database monitoring and performance tuning SQL replication Deep Azure background Patching, upgrades and maintenance High availability database environments Highly Desirable Skills: Terraform CI/CD pipelines Azure DevOps Kubernetes … Database Engineer will be responsible for: Managing and maintaining cloud and on-prem database environments Supporting critical 24/7 production systems Improving database performance, availability, and resilience Building automation and Infrastructure as Code solutions Implementing and improving monitoring across database platforms Managing backup, recovery, disaster recovery, and maintenance ...

time). Coach and develop team members to deliver quality results and promote professional development. People Development Mentor and coach team members through formal, performance evaluation methods and informal, individual feedback opportunities. Collaborate and share knowledge. Practice Development Contribute to practice growth through recruitment, training, and retention. Provide insight … processing layers (batch and real‐time). Define and enforce data governance, stewardship, and lineage practices to ensure traceability, auditability, and compliance. Drive performance tuning, system testing (unit → integration → UAT → parallel), and deployment to production environments ensuring operational readiness. Mentor junior EDM consultants and contribute to implementation best ...

master system. In addition to designing and implementing robust data architectures. The successful candidate will lead the security master development team, overseeing the quality, performance, and scalability of the teams’ deliverables. Key Responsibilities – Data Architecture and Design: Lead the design and implementation of the enterprise data architecture, ensuring alignment … Azure) and big data technologies (e.g., Kafka, Spark, Databricks, Snowflake). Expert-level knowledge of building ETL processes in Python. Expert-level knowledge of performance tuning and optimization in a Python/SQL Server environment This role offers highly competitive compensation as well as a flexible hybrid working ...

optimal results, conforming to standards for but not limited to quality, safety and sustainability. In doing so, they ensure compliance with the defined scope, performance, cost, ROI and schedule through agile delivery and ways of working. The role forms part of the data product teams within a business unit … cost and query optimization including experience with CapitalOne Slingshot. Expertise in advanced concepts like setting up resource monitors, RBAC controls, virtual warehouse sizing, query performance tuning, Zero copy clone, time travel and understanding of how to use these features. Awareness in Data Migration from RDBMS, SAP systems, Salesforce ...

/SQL) Proficiency in UNIX/Linux shell scripting Proven experience working in Data Warehouse/ETL environments Experience in data integration, transformation, and performance tuning Strong understanding of ETL frameworks, data pipelines, and batch processing Desirable Skills Working knowledge of SAS (especially in ETL context) Experience ...

optimization, modernization, or migration. Key Responsibilities Perform comprehensive audit and assessment of existing PowerServer/PowerBuilder applications Conduct root cause analysis and investigations for performance, stability, and scalability issues Analyze application architecture, deployment setup, and integration workflows Identify technical risks, inefficiencies, and improvement opportunities Prepare detailed assessment reports, findings … stakeholders to define modernization or migration strategy Create roadmaps and implementation plans for future upgrades or enhancements Provide guidance on best practices, security, and performance optimization Support decision-making through technical insights and feasibility analysis Required Skills & Qualifications Strong experience with PowerBuilder and PowerServer Proven experience in application auditing ...