1 to 25 of 58 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 ...

Data Factory and Databricks, replacing legacy SSIS pipelines. Identifying opportunities to harden and automate manual steps within the Finance Close workflow Conduct T-SQL performance tuning across on-prem and cloud environments.Conduct T-SQL performance tuning across on-prem and cloud environments. Collaborate with ...

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 ...

Design and build integrations between F&O and external systems using Power Automate, Dataverse, virtual tables, and RESTful APIs. Ensure data integrity, security, and performance in integration solutions. Create and maintain automated workflows and approval processes (using Power Automate, software Agents in Copilot studio, and native F&O workflows … consistency, and alignment with finance and procurement requirements. Provide ongoing maintenance, troubleshooting, and third-level support for new and existing Dynamics 365 applications, including performance tuning and bug fixes. Support user training and create technical support documentation. Consult with clients and end-users on technical and functional aspects ...

Design and build integrations between F&O and external systems using Power Automate, Dataverse, virtual tables, and RESTful APIs. Ensure data integrity, security, and performance in integration solutions. \n Create and maintain automated workflows and approval processes (using Power Automate, software Agents in Copilot studio, and native … alignment with finance and procurement requirements. \n Provide ongoing maintenance, troubleshooting, and third-level support for new and existing Dynamics 365 applications, including performance tuning and bug fixes. Support user training and create technical support documentation. \n Consult with clients and end-users on technical and functional aspects ...

team in London. You will work on innovative Android applications used by millions of users worldwide. This role combines cutting-edge Android development, performance optimization, and a passion for exceptional user experiences. You'll collaborate with designers, product owners, QA professionals, and engineers in an agile and fast-paced … using Kotlin and modern frameworks Implement features based on best practices and asynchronous coding patterns Collaborate with cross-functional teams to deliver intuitive, high-performance mobile solutions Integrate applications with backend APIs and legacy services Write maintainable, testable, and optimized code following clean architecture principles Perform debugging, troubleshooting ...

robust row-level security (RLS) Deliver: Layer 1 : Standard operational and management reporting Layer 2 : OLAP-style analytical capabilities for deeper organisational insight Conduct performance optimisation and tuning across the solution Produce technical documentation to support operational handover Collaborate with stakeholders to ensure delivery aligns with discovery outputs … datasets, tabular models, and reporting) Strong experience building data warehouse solutions , including: Star schema design Fact and dimension modelling SCD implementation T-SQL performance tuning Experience working within always-on or mission-critical environments with strict availability and refresh constraints Ability to deliver within an established programme , taking ...

applications of national importance. You will be responsible for maintaining, optimising and enhancing complex clustered Oracle environments while helping ensure the resilience, availability and performance of services delivered within a secure operational environment. Working alongside infrastructure, platform and application teams, you'll play a key role in maintaining high … environments Support Oracle Data Guard using Real Time Apply in Maximum Availability mode Administer Oracle Streams and Advanced Replication Monitor database health, availability and performance Carry out database tuning and optimisation Implement backup, recovery and disaster recovery solutions using Oracle Recovery Manager (RMAN) Administer Oracle Enterprise Manager Cloud ...

Principal) Set data architecture, mentor engineers, lead platform strategy and larger initiatives What You'll Bring Technical Expertise: Strong SQL—comfortable with complex transformations, performance tuning and warehouse-specific dialect Strong Python skills (or Scala/Java where relevant) for pipeline development and tooling Hands-on experience with ...

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 ...

applications of national importance. You will be responsible for maintaining, optimising and enhancing complex clustered Oracle environments while helping ensure the resilience, availability and performance of services delivered within a secure operational environment. \n Working alongside infrastructure, platform and application teams, you'll play a key role in maintaining … Guard using Real Time Apply in Maximum Availability mode \n \n Administer Oracle Streams and Advanced Replication \n \n Monitor database health, availability and performance \n \n Carry out database tuning and optimisation \n \n Implement backup, recovery and disaster recovery solutions using Oracle Recovery Manager (RMAN ...

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 ...

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 ...

ideas, and high‐availability design. Guide customers up the data streaming maturity curve with recommendations on advanced topics (data mesh, stream processing, utilization optimization, performance tuning). Develop and present periodic customer reviews, including analysis of technical health and operational performance, to Confluent senior management. Document … Private Service Connect, TLS/SSL, SASL). Experience prototyping and analyzing code in multiple languages (Java, Python, Go, etc.). Experience with JVM tuning and troubleshooting. Experience operating Linux; proficient in configuring, tuning, and troubleshooting both RedHat and Debian‐based distributions. Ability to learn new technologies quickly ...

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 ...

with data teams to define robust data pipelines and scalable cloud-based data platforms using tools like Apache Kafka, Snowflake, or Databricks. Monitoring and Performance Tuning: Implement advanced monitoring and observability solutions using tools like Prometheus, Grafana, or Datadog to proactively identify and resolve performance bottlenecks. Code … System Optimisation: Proactively analyse and optimise existing systems for improved performance, scalability, and maintainability. Core skill set for this position: Strong experience building and scaling banking payment systems including either Faster Payments, Real-Time Payments, Card payments, BACS, mobile wallets and APIs is a must have. Experience leading upon ...

shell scripts for automation, job scheduling, and data processing Perform data analysis, mapping, and transformation for complex data sources Ensure data quality, integrity, and performance optimisation across ETL processes Collaborate with business and technical teams to translate requirements into scalable data solutions Support testing, deployment, and production support activities …/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 ...

best practices in DataOps, observability, and dimensional modelling. \n 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 … relationships with other CRUK Data & Technology teams (e.g. Engineering, Architecture, Data Operations and Governance), departments and partners. \n Drive best practice and high-performance software delivery through DataOps principles to automate workflows, improve data quality, and accelerate delivery \n Establish observability frameworks (monitoring, logging, alerting) to ensure data pipeline ...

Azure, GCP, 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 in the UK to support … 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 ...

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. ...

DevOps principles \n Experience building cloud-native systems (AWS) with scalability and reliability in mind \n Strong grounding in automated testing (unit, integration, contract, performance) \n\n What sets you apart at Staff level \n This is where the role really differentiates beyond coding: \n Architecture-first thinking … Operational excellence mindset \n \n Experience with observability (logs, metrics, tracing) and production systems \n Exposure to secure coding, reliability engineering, and performance tuning \n\n Nice to have \n \n Experience with Kubernetes, containers, or infrastructure as code (Terraform) \n Familiarity with NoSQL (MongoDB), caching (Redis ...

/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 ...

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 ...

addressing, CIDRs, TCP/IP, and TLS certificates Experience supporting Java applications, JVMs, and process management Nginx administration, particularly as a reverse proxy Performance tuning and capacity management across CPU, memory, and storage Experience with OpenVPN and SSH client/server configurations AWS Administration Management of EC2 instances ...