1 to 25 of 88 Performance Tuning Jobs in London

Performance Tuning Specialist - SQL Server - Remote - Azure - £40,000-£55,000 Why this role I am working with a rapidly growing UK-based managed service provider specialising in SQL Development and DBA services. They're a tight-knit team scaling quickly after bringing in a BD Manager … heard, and you are given the autonomy, trust, and support to make a real impact. What you will be working on:* Deep SQL Server performance tuning across queries, indexes, execution plans, and stored procedures* PowerShell scripting for automation and optimisation* Azure database and cloud environments* Advising ...

Developer - Remote - SQL Server - Performance Tuning - Azure - £40,000-£55,000 Why this role? I am working with a company who are a rapidly growing UK-based managed service provider specialising in SQL Development and DBA services. They are a tight-knit team, scaling fast after bringing … ideas are listened to, and you will be given autonomy, trust, and support to deliver real impact. You'll work with: Deep SQL Server performance tuning across queries, indexes, execution plans, and stored procedures PowerShell scripting for automation and optimisation Azure databases and cloud-based environments ...

Airflow, Azure Data Factory, or similar. Data Modelling: Implement dimensional models (star/snowflake schemas), handle SCDs, and design efficient structures for analytics. Performance Tuning: Optimise queries, manage clustering, caching, and warehouse sizing for cost and speed. Data Quality: Implement testing frameworks (dbt tests, Great Expectations) and ensure … service analytics. Documentation: Maintain clear technical documentation for pipelines, models, and processes. Qualifications Matric and a Degree in IT Strong SQL skills (complex queries, performance tuning) and proficiency in Python for data processing. Experience with ETL/ELT tools (dbt, Airflow, ADF, Informatica, Matillion). Solid understanding ...

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 ...

house data team. This role is SQL-first and suited to someone who enjoys working day-to-day with complex SQL Server environments - designing, tuning and troubleshooting data solutions in a financial services context. Key responsibilities Developing and optimising complex SQL Server solutions (T-SQL, stored procedures, indexing, performance tuning) Working with large, business-critical datasets Supporting and enhancing ETL and batch processes Investigating and resolving performance and data issues in production Collaborating closely with analysts and stakeholders to translate requirements into robust SQL solutions Essential experience Strong, hands-on SQL Server development experience Proven performance ...

migration and integration of databases across multi cloud database environments including Oracle Cloud AWS Azure and Google Cloud Ensure high availability scalability and performance of database systems Collaborate with cross functional teams to define and implement database solutions that meet business requirements. Requirements: Handson experience with migrating large databases … with migrating database to ATPADW Design Database consolidation and reduce OPEX spending Provide technical leadership and mentorship to junior database architects and administrators Conduct performance tuning capacity planning and security assessments Stay updated with the latest advancements in database technologies and cloud offerings Implement and manage Exadata ...

Databricks Great attention to detail with the ability to create effective documentation and process diagrams for data assets Solid understanding of data modelling, performance tuning, and cost optimisation The Role We are seeking a Senior Data Engineer to design, build, and operate production-grade data products across customer … Proven experience building production pipelines in Databricks Strong attention to detail with effective documentation and process diagramming skills Solid understanding of data modelling, performance tuning, and cost optimisation Desirable Skills/Knowledge/Experience Strong hands-on Databricks Lakehouse experience, including Delta Lake and Delta Live Tables ...

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 ...

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 ...

endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect … development teams and managing large-scale projects. Database Expertise: In-depth experience with PostgreSQL/SQL, including design of complex schemas, writing queries and performance optimisation. Security & Performance: Deep understanding of application security best practices, performance tuning, and scalable architecture. Problem-Solving: Ability to troubleshoot complex ...

experience configuring, administering, and supporting Solace PubSub+ environments. You will take ownership of the full lifecycle of the messaging platform, from deploying brokers and tuning performance to managing access controls, optimising resources, and ensuring reliable application connectivity across the estate. This role suits someone who enjoys being close … hands-on experience configuring, administering, and troubleshooting Solace PubSub+ Strong understanding of event-driven and messaging principles Good knowledge of networking concepts, platform performance tuning, and cloud deployment patterns Ability to analyse issues across application, network, and infrastructure layers Clear communication skills and the ability to collaborate across ...

looking for a Senior Python Developer to design, build, and maintain high-performance, scalable solutions supporting financial market analytics. This is a high-impact role sitting at the intersection of complex data engineering and front-office trading systems. You will play a key role in shaping engineering practices, guiding … architectural decisions, and leading junior engineers to deliver business-critical solutions. Financial Engineering: Design and deploy scalable, high-performance software for data processing and trading analytics. Technical Leadership: Lead architectural decisions, conduct rigorous code reviews, and mentor junior engineers. Stakeholder Collaboration: Partner with Traders, Quants, and Product Managers ...

life of millions of University students across the globe. In this role, you will apply your Software Engineering experience to enhance system performance and reliability, as well as building internal systems and capabilities that eliminate manual work through automation. You'll be joining our Platforms teams with globally-dispersed … logging systems to identify and respond to incidents Ensure scalability and efficiency of cloud infrastructure and systems to handle traffic and data growth Conduct performance tests to identify and remediate bottlenecks Develop and maintain platform solutions, automate infrastructure provisioning, configuration, and management tasks using Infrastructure as Code. Monitor, review ...

Scripting C, C++, PERL, Java or equivalent for application interfacing and scripting Data Handling Real-time data acquisition, Historian integration, data replication, and logging Performance Tuning & Monitoring Query optimization, indexing, database health monitoring Version control with Git, SVN, or equivalent Design, develop and maintain databases and data models …/DMS/SCADA) Develop, enhance, and maintain display applications, dashboards, and HMI interfaces/Station displays for operators and engineers Ensure high performance, reliability, and integrity of database system under real-time operational loads Perform database tuning, indexing, query optimization, and performance monitoring Develop and maintain ...

Database Administrator to take ownership of a large and complex SQL Server estate. This is a hands-on role where youll ensure high availability, performance, and security across multiple environments, while proactively monitoring and resolving issues before they impact the business. If youre passionate about performance tuning … upgrade SQL Server instances. Manage and maintain a large-scale SQL Server environment across multiple platforms. Implement robust backup, restore, and disaster recovery strategies. Performance & Optimisation Tune queries and stored procedures for maximum efficiency. Design and maintain indexing strategies. Conduct regular health checks and capacity planning. Monitoring & Troubleshooting Proactively ...

large, enterprise-scale IBM Z environment. This is a hands-on role focused on DB2 for z/OS system-level administration, availability, performance, and resilience. Youll work on critical production systems, owning DB2 subsystem health, upgrades, tuning and recovery, while collaborating with infrastructure, security and vendor teams. … Responsibilities DB2 for z/OS installation, maintenance and upgrades using SMP/E Applying PTFs and managing DB2 subsystem lifecycle Performance monitoring and tuning (ZPARMS, buffer pools, EDM pools) Backup, recovery and disaster recovery for DB2 catalog and directory Administration of Broadcom/CA tools (Platinum, SYSVIEW ...

delivering data ingestion, transformation, and storage patterns using S3, AWS Glue, and Redshift Owning data architecture decisions, including data modelling, partitioning strategies, and performance optimisation Defining and enforcing engineering standards across code quality, testing, CI/CD, IaC, and observability Building and optimising ELT/ETL pipelines using Glue … domains Strong hands-on experience with: Amazon S3 (data lake patterns, partitioning, lifecycle management) AWS Glue (Jobs, Crawlers, PySpark, orchestration) Amazon Redshift (data modelling, performance tuning, WLM, Spectrum) Advanced Python (PySpark) and SQL skills Experience implementing CI/CD pipelines and Infrastructure as Code Proven ability to engage ...

support and optimise complex SQL Server environments. They specialise in database, server, cloud, and application services with a strong emphasis on proactive performance management, reliability and continuous improvement. This is an opportunity to join a genuinely people-focused, high-performing company where you are trusted to deliver impactful work. … where your technical expertise is recognised and your career can develop. In this role, you will be responsible for: Diagnosing and resolving SQL Server performance issues across queries, indexes and execution plans Tuning stored procedures, user-defined functions and ETL processes to improve scalability and speed Working closely ...

Perform data extraction, transformation, and loading (ETL) processes from Avaloq using approved tools and interfaces. Manage, maintain, and optimize datasets in Snowflake, ensuring accuracy, performance, and alignment with governance standards. Assist in evaluating and integrating datasets from the Snowflake Data Marketplace. Provide day-to-day operational support to business … handling data from Avaloq (essential). Strong proficiency with Snowflake, including: Data Modelling, Snowflake roles, warehouses and tasks, working with the Snowflake Data Marketplace, Performance Tuning and Knowledge of ETL/ELT pipelines and data integration tools (e.g., Informatica, Matillion, DBT, Airflow). Experience with APIs, stored procedures ...

IDMC Cloud components to meet business requirements. Troubleshoot issues related to MDM data models, hub servers, IDMC services, and integration points. Assist in performance tuning and optimization of MDM and IDMC processes. Document migration processes, architecture changes, and provide training/support to internal teams. Stay updated with ...

connectivity, firewalls, and SDN configurations, troubleshooting issues and supporting resilience improvements. Provide 2nd/3rd line support for Windows and Linux systems, managing updates, performance tuning, and configuration consistency. Maintain accurate system and configuration documentation, supporting compliance and governance requirements. Collaborate across teams to improve operational efficiency, automate ...

Sills and Experience: * Proficient in SQL, C#, Python, Java, HTML/CSS, and related development frameworks. * Understanding of API integration, data modelling, and application performance tuning. * Strong project management skills are essential for implementing new systems or major upgrades. * Experience managing software lifecycle tools (e.g., Jira, Azure DevOps, ManageEngine ...

Role Overview We are seeking a Lead PySpark Engineer to drive a large-scale data modernisation project, transitioning legacy data workflows into a high-performance AWS cloud environment. This is a hands-on technical role focused on converting legacy SAS code into production-ready PySpark pipelines within a complex … PySpark using automated tools (SAS2PY) and manual refactoring. Pipeline Engineering: Design, build, and troubleshoot complex ETL/ELT workflows and data marts on AWS. Performance Tuning: Optimise Spark workloads for execution efficiency, partitioning, and cost-effectiveness. Quality Assurance: Implement clean coding principles, modular design, and robust unit/ ...

using Java (latest versions), Spring Boot, and AWS technologies. Architect and implement RESTful APIs for distributed enterprise-grade systems. Develop robust, scalable, and high-performance microservices leveraging Spring Boot and modern design patterns. Integrate and manage AWS services such as EC2, S3, Lambda, RDS, and API Gateway for cloud … with Docker and orchestrate using Kubernetes for scalability and resilience. Integrate Kafka for event-driven architecture and real-time data processing. Ensure application security, performance tuning, and monitoring using AWS CloudWatch and best practices. Collaborate with cross-functional teams, participate in code reviews, and take full ownership ...

using Java (latest versions), Spring Boot, and AWS technologies. Architect and implement RESTful APIs for distributed enterprise-grade systems. Develop robust, scalable, and high-performance microservices leveraging Spring Boot and modern design patterns. Integrate and manage AWS services such as EC2, S3, Lambda, RDS, and API Gateway for cloud … with Docker and orchestrate using Kubernetes for scalability and resilience. Integrate Kafka for event-driven architecture and real-time data processing. Ensure application security, performance tuning, and monitoring using AWS CloudWatch and best practices. Collaborate with cross-functional teams, participate in code reviews, and take full ownership ...