176 to 200 of 527 Performance Tuning Jobs in the UK

BestXWe are seeking an experienced Senior kdb+ Developer to join the BestX engineering team. In this role, you will design, build, and optimise high‐performance data platforms using kdb+, supporting BestX’s multi‐asset analytics capabilities.The ideal candidate brings deep expertise in kdb+ tick architectures, large‐scale performance tuning, and works closely with quantitative and engineering teams to deliver robust, efficient, and maintainable solutions.Key ResponsibilitiesDesign and develop key components of BestX’s multi‐asset analytics platform.Architect, build, and maintain kdb+ tick systems, with strong consideration for data organisation, schema design, and architectural trade‐offs.Develop and operate ...

significant impact within an ambitious and innovative organization.This role owns the end-to-end lifecycle of database platforms - from architecture and design, through performance optimization and automation, to incident response and long-term scalability planning. The successful candidate will act as a technical authority for MySQL, partnering closely with … ensure our databases can safely scale to meet high-traffic, data-intensive workloads.Key ResponsibilitiesDatabase Architecture & Scalability· Own and evolve the architecture of high-performance, highly available MySQL platforms supporting production game workloads (>50k QPS).· Design database solutions that support long-term data growth, fault tolerance, and operational simplicity. ...

BestXWe are seeking an experienced Senior kdb+ Developer to join the BestX engineering team. In this role, you will design, build, and optimise high‐performance data platforms using kdb+, supporting BestX's multi‐asset analytics capabilities. The ideal candidate brings deep expertise in kdb+ tick architectures, large‐scale performance tuning, and works closely with quantitative and engineering teams to deliver robust, efficient, and maintainable solutions. Key ResponsibilitiesDesign and develop key components of BestX's multi‐asset analytics platform. Architect, build, and maintain kdb+ tick systems, with strong consideration for data organisation, schema design, and architectural trade‐offs. ...

Finance data objects during the build & Test phase. In this key role, you will lead technical solutions, resolve complex issues, and ensure the performance and stability of our MDG implementation as we move toward a successful go-live. Key Responsibilities: Technical Leadership & Solution Design: Lead the technical design, development … technical concepts, presenting solution designs, and managing expectations. Collaborate with project managers, functional consultants, and other architects to ensure alignment and successful project delivery. Performance Optimization & Quality Assurance: Conduct performance tuning and optimization of MDG processes, workflows, and data replication. Ensure adherence to technical standards, best practices ...

services, enhance security and optimize service performance. Your Responsibilities: • Design, implement and maintain all aspects of storage, including the various tiers of storage (high-performance, low-cost, archive, backup/recovery, and disaster recovery). • Multi-protocol [CIFS, NFS] file-based solutions • Block-based high-performance All-Flash … direct support to technical and non-technical entities in order to define requirements and deliver solutions to meet organisational needs including new deployments, upgrades, performance tuning and testing. • Implement and utilize asset inventory, configuration management database, capacity management, performance management, resource optimization, and security (access control, authorization ...

growing team in the UK and rest of Europe.About the roleThe CICS Mainframe Systems Programmer is responsible for ensuring the stability, availability, performance, and continuous improvement of CICS services within the IBM Mainframe environment. The role requires strong technical expertise, domain knowledge, and specialist skills to operate, maintain … resolve complex technical issues.Lead problem determination, root cause analysis, and recovery activities during critical incidents.Design and implement new technology solutions to improve service availability, performance, and operational efficiency.Monitor CICS performance and system resources to ensure optimal response times and service levels.Develop, test, and maintain backup, recovery, and business ...

databases, cloud infrastructure (AWS), system troubleshooting, and production support. You will work closely with customers, internal engineering teams, and operations to ensure system stability, performance, and reliability.Key ResponsibilitiesProvide production and application support for live systemsManage and maintain Microsoft SQL Server databasesTroubleshoot performance issues, database errors, and system outagesPerform … Science or related field5+ years of experience in Production Support, Application Support, DBA, or Engineering SupportStrong hands-on experience with:Microsoft SQL Server & SQLDatabase performance tuning and troubleshootingWindows and/or Linux environmentsExperience with:Patching, upgrades, and migrationsCloud platforms, preferably AWSStrong problem-solving and communication skillsNice to HaveExperience ...

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. Astrong understanding of Power BI engineering discipline: PBIP/TMDLsource format, Git-based version control, pull-request … andstructured release processes, with demonstrable experience in a teamsetting. Provenability to carry out peer review and QA of analytics work, spotting modelerrors, DAX issues, performance problems and UX weaknesses. Excellentwritten and verbal communication skills, including presenting to underwriters and senior stakeholders, with a track record of turningambiguous business problems ...

applications. Key responsibilities SQL Server database development Complex T-SQL development and optimisation Stored procedures, views and functions Relational database design and data modelling Performance tuning and troubleshooting Supporting database changes through development, test and production Working with developers and stakeholders on new systems and enhancements About … Server database development in production environments , including: Excellent T-SQL skills Strong SQL Server and SSMS experience Relational database design and data modelling Performance optimisation and troubleshooting Experience supporting business-critical applications Exposure to SQL Server Always On/high availability , SQL Server administration, source control, CI/ ...

effective in both.A genuine DevOps mindset: comfortable owning build pipelines, container images, releases, and the operational side of a product.Experience designing software for performance, scalability, and predictable cost on cloud infrastructure.Bonus PointsHands-on experience with Snowflake, especially Native Apps, Snowpark Container Services, or building stored procedures and UDFs … Trivy, etc.).Understanding of graph theory and graph algorithms (centrality, community detection, pathfinding, embeddings), or strong curiosity to learn them.Background in distributed systems, JVM performance tuning, or columnar/analytical query engines.Experience working in a distributed, remote-first team and shipping to enterprise customers.#Li-HybridWhy Join Neo4j Neo4j ...

lifecycle (SDLC) processesImplement monitoring, observability, and alerting using tools such as Sentry, New RelicCollaborate with Site Reliability Engineering (SRE) on system reliability, scalability, and performance optimizationManage multi-tenant distributed systems and microservices architecturesSupport database operations (SQL and NoSQL), including performance tuning, migrations, and data lifecycle managementContribute ...

analytics and reporting. Collaborate with cross-functional teams to understand data requirements and deliver robust solutions. Monitor, troubleshoot, and enhance data workflows for performance and reliability. Maintain technical documentation and contribute to data engineering best practices. Required Skills & Qualifications: Strong experience with Databricks- DLT, Delta Lake concepts, UC governance. …/ELT processes, and data architecture. Experience in MS Copilot, AI Foundry , Databricks (MosiacAI, MLflow, Agentbricks, Genie) Strong analytical background with problem-solving skills. Performance tuning concepts like watermarking, late data handling, parallelism & checkpointing. Hands-on expertise in ADF, and Qlik Replicate for data ingestion and replication. Experience ...

provides market infrastructure and information services. These include: Bullish Exchange – a regulated and institutionally focused digital assets spot and derivatives exchange, integrating a high-performance central limit order book matching engine with automated market making to provide deep and predictable liquidity. Bullish Exchange is regulated in Germany, Hong Kong … Gibraltar. CoinDesk Indices – a collection of tradable proprietary and single-asset benchmarks and indices that track the performance of digital assets for global institutions in the digital assets and traditional finance industries. CoinDesk Data – a broad suite of digital assets market data and analytics, providing real-time insights into ...

Support Assist in the investigation and resolution of production issues. Participate in incident management, root cause analysis, and system improvement initiatives. Ensure platform stability, performance, and operational reliability. Technical Leadership & Mentoring Provide guidance and mentorship to other engineers. Share knowledge and best practices across the team. Foster a collaborative … Strong knowledge of relational database systems such as: Oracle Microsoft SQL Server Other enterprise-grade RDBMS platforms Experience with: Data modelling Query optimization Database performance tuning Large-scale data management Messaging & Integration Apache Kafka IBM MQ FIX Protocol Understanding of event-driven architectures and asynchronous processing patterns. Delivery ...

following would be advantageous: React & TypeScript Python (FastAPI, Flask or similar) Node.js Electron or desktop application development SQL Server optimisation and performance tuning Workflow automation platforms such as n8n CRM integrations Microsoft Entra ID/Azure AD Git, GitHub and CI/CD pipelines Cloud-based technologies … looking to take the next step in your development career and want to work on innovative AI and automation solutions that genuinely impact business performance, we'd love to hear from you. ...

Software Developer – High Performance Trading SystemsLocation: London (On-site)400k+ total compWe are looking for a talented software engineer to join a high-performing team responsible for architecting and delivering the systems that underpin a leading and disruptive global trading operation.You’ll work on the full lifecycle of high … throughput, low-latency platforms – including algorithmic trading engines, venue connectivity, and real-time pricing infrastructure. Expect deep technical ownership, constant performance tuning, and direct impact on production trading.What you’ll work on:Design and optimise mission-critical systems where microseconds and gigabits matterBuild core infrastructure for trading strategies ...

workloads and high-availability services, with a focus on resilience, zero-downtime deployment approaches, and operational excellence. Establish and enhance monitoring, logging, alerting, and performance management practices for business-critical digital products and AI services. Collaborate closely with software engineers, platform engineers, AI engineers, and product teams to troubleshoot … scripting or programming skills in at least one modern language such as Python, Go, Ruby, JavaScript, or similar. Experience with monitoring, logging, alerting, and performance tuning for production systems. Ability to troubleshoot both application and infrastructure issues in complex distributed environments. Strong understanding of software quality, security, automation ...

architecture and technical direction across multiple products and services. Design, implement and review high-quality Java and full-stack solutions, APIs and integrations. Lead performance optimisation, scalability and resilience initiatives. Drive security best practices, vulnerability remediation and secure software development lifecycle (SDLC) practices. Work closely with Data, Operations, DevOps … complex production issues. Drive improvements in system observability, monitoring and operational performance. Ensure applications are designed and operated to meet reliability, availability and performance targets. Partner with Operations, DevOps and QA teams to maintain production stability and service quality. Embed a culture of operational excellence, continuous improvement and proactive ...

solutions within a complex enterprise environment. Essential Skills Strong Oracle PL/SQL development experience. IBM DataStage ETL development expertise. Advanced SQL development and performance tuning skills. Data warehousing and data integration experience. Experience working with large datasets in enterprise environments. Strong analytical and problem-solving skills. Desirable ...

well documented, scalable and aligned with governance and audit requirements. Required Skills Strong experience with SQL Server 2022 (T-SQL, stored procedures, views and performance tuning). Hands-on experience developing solutions in Power BI. Experience building applications and workflows using Power Apps. Knowledge of data warehousing ...

collaborating smoothly with offshore colleagues across time zones.Must Haves:Java development experience within financial servicesSolid grounding in Java 11+, Spring Boot, multi-threading, profiling, performance tuning and RMIHands-on experience with microservices and event-driven architecturesCloud platforms (AWS, Azure or GCP) and TerraformA track record with TDD, Agile ...

models.• Work with a broad range of Azure cloud services across Compute, Storage, Networking, and Developer Tools.• Apply architectural design patterns and expertise in performance tuning, database concepts, and functional design within Azure environments.• Possess hands on experience with Azure integration components, including Logic Apps, Azure Functions ...

leverage terabytes of data.Ability to analyse technical requirements and design new architectures, data models, and ETL strategies.Expertise in database design, complex T-SQL programming, performance tuning, and index analysis.Hands-on experience with cloud-based relational and non-relational databases.Facilitate discussions among developers to exchange ideas and introduce innovative ...

evolve monitoring and alerting solutions that improve visibility, reduce toil, and strengthen system health.Continuously drive reliability improvements across our environments through incident reduction, performance tuning, and building resilient patterns.Partner with Security teams to ensure our platforms meet compliance, security, and risk‐management expectations.Lead seamless handovers from project delivery ...

deployments. · Security hardening – lead security-posture reviews, implement GuardDuty, CloudWatch and IAM best practices. · SRE & monitoring – uphold SLAs through observability stacks, proactive alerting and performance tuning of distributed systems. · Collaboration & enablement – automate repetitive tasks, mentor developers and champion DevSecOps best practice across teams. · Policy & audit ownership - steward ...