1 to 25 of 33 Performance Tuning Jobs in the City of London

environment. This role suits a hands-on database specialist who is comfortable working across legacy and cloud-based systems, with a strong focus on performance, reliability and automation. Key Responsibilities Lead the design, development, optimisation, and support of database solutions Own performance tuning, schema design, and stored … maintainability across all database deliverables Required Skills & Experience 5+ years experience working with Microsoft SQL Server and/or Sybase ASE Strong expertise in: Performance tuning Database design Stored procedure development Experience supporting database upgrades and production environments Hands-on experience in cloud environments (AWS preferred) Exposure ...

registries Ingress controllers, API gateways, service mesh, and traffic policy enforcement Observability (Prometheus, Grafana), log pipelines, distributed tracing High availability, cluster upgrades, autoscaling strategy, performance tuning Lead advanced troubleshooting (pods, networking, DNS, controllers, storage, ingress). 5. Azure API Management (APIM) & API Security Deep hands-on expertise … lifecycle , including APIOps automation, environment promotion, deployment versioning, api backend health check frameworks, and rollback strategies. Implement API analytics, distributed tracing, alerts, performance tuning, and troubleshooting. 6. Reliability Engineering & Platform Operations Lead root-cause analysis, high-severity incident resolution, and resilience improvements. Ensure uptime, performance, and reliability ...

registries Ingress controllers, API gateways, service mesh, and traffic policy enforcement Observability (Prometheus, Grafana), log pipelines, distributed tracing High availability, cluster upgrades, autoscaling strategy, performance tuning Lead advanced troubleshooting (pods, networking, DNS, controllers, storage, ingress). 5. Azure API Management (APIM) & API Security Deep hands-on expertise … lifecycle , including APIOps automation, environment promotion, deployment versioning, api backend health check frameworks, and rollback strategies. Implement API analytics, distributed tracing, alerts, performance tuning, and troubleshooting. 6. Reliability Engineering & Platform Operations Lead root-cause analysis, high-severity incident resolution, and resilience improvements. Ensure uptime, performance, and reliability ...

DESCRIPTION POSITION: Database Developer LOCATION: London/hybrid DURATION: 6-months initially Job Description: The DB Developer will be responsible for the administration, documentation, performance, tuning, design, integrity and security of the enterprise’ production databases (mainly SQL, Snowflake), data transfers, and systems. In addition to traditional DBA maintenance … troubleshooting of applications. Developer will be designing the databases and application as per the requirement of the organization. Responsibilities of the Database Developer: Performance tuning of production databases, as well as the development, implementation, deployments, migrations, and upgrades of databases. Database development (e.g. Microsoft SQL Server Database, Python ...

strategic customizations. Technical Advisory & Governance: Act as a subject matter expert and technical advisor to clients and internal teams, providing guidance on platform capabilities, performance optimization, security, and scalability. Establish technical governance to ensure solution integrity. Requirement Analysis & Solution Design: Collaborate with business stakeholders to gather and analyze complex … REST, SOAP, JDBC, MID Server). Technical Oversight & Quality Assurance: Provide technical oversight to development teams, ensuring adherence to architectural patterns, coding standards, and performance best practices. Participate in code reviews and ensure solution quality. Prototyping & Demonstrations: Lead the creation of technical prototypes and conduct demonstrations of proposed ServiceNow ...

Engineer – High-Performance Computing & Quantitative Systems London - Hybrid Salary: up to £70,000 A specialist technology consultancy is seeking an HPC Engineer to work at the intersection of high-performance computing, cloud infrastructure, and quantitative finance. This role focuses on designing, optimising, and debugging large-scale compute platforms … experts. This is a hands-on role for someone who enjoys understanding how systems behave at a deep level and wants real ownership over performance-critical solutions, rather than working in a ticket-driven or product-only environment. What you’ll be working on Optimising large-scale risk ...

join our Messaging team. You will be responsible for managing and supporting our enterprise messaging infrastructure built on Solace PubSub+, ensuring high availability, optimal performance, and reliability across production and non-production environments. This includes working on incident response, capacity planning, WAN optimization, and system observability using tools like … software brokers across environments (on-prem and cloud). Provide production support for messaging-related incidents, including root cause analysis and resolution. Monitor system performance and health using Prometheus and Grafana ; proactively identify and address anomalies. Configure and optimize Solace across WAN environments , ensuring low-latency, secure, and reliable ...

Administrator to take ownership of a large and complex SQL Server estate. This is a hands-on role where you’ll ensure high availability, performance, and security across multiple environments, while proactively monitoring and resolving issues before they impact the business. If you’re 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 ...

Power BI, Azure, and Confluent technologies. You will lead platform strategy, administration, and integration to support scalable analytics and data engineering solutions. Responsibilities include performance optimization, governance, automation, and enabling secure, reliable data flows. This role requires strong leadership, cross-functional collaboration, and hands-on technical proficiency. Your role … prem environments. You will lead platform strategy and operations for technologies including Snowflake, SQL Server, Power BI, Azure, and Confluent, ensuring high availability, performance, and scalability. You will collaborate with cross-functional teams to design and implement platform solutions that support data engineering, analytics, and business intelligence initiatives. Your ...

data from multiple sources into Snowflake Develop and optimize data models in Snowflake for analytics and reporting use cases Ensure data quality, reliability, and performance across pipelines and warehouse workloads Collaborate with analytics engineers, data analysts, and stakeholders to understand data requirements Implement best practices for Snowflake (clustering, scaling … cost optimization, security) Monitor and troubleshoot data pipelines, resolving failures and performance issues Manage and evolve data transformations using SQL and version control Document data pipelines, models, and business logic for long-term maintainability Support CI/CD processes and promote automation across the data platform Required Qualifications 3+ ...

Onsite Contract until End of 2026 Start Date - 2nd Feb 2026 Required Skills 7+ years’ experience with Sybase and/or SQL Server, including performance tuning and stored procedure development. 2+ years’ experience in cloud environments with knowledge of IaaS, PaaS, and DBaaS. Familiarity with RDS/PostgreSQL. ...

Java Developer to join its engineering team. The successful candidate will play a key role in the design, development, and enhancement of a high-performance Order Management System (OMS) used within a complex trading environment. Applicants must have hands-on experience designing and building OMS platforms. This … components supporting trade lifecycle management Work closely with product owners, quants, and business stakeholders to translate trading requirements into technical solutions Ensure system performance, scalability, and resilience in a high-throughput environment Participate in code reviews, testing, and deployment activities Support production systems and assist with troubleshooting and performance ...

testable and maintainable code following best practices Participate in code reviews and contribute to improving engineering standards Support production systems, including bug fixing and performance tuning Work within Agile/Scrum delivery teams Required Skills & Experience Strong commercial experience with C# and .NET/.NET Core Experience building ...

Innovation: Stay updated on emerging Java technologies, propose new solutions, and contribute to innovation initiatives. • Troubleshooting: Analyze logs, resolve complex technical issues, and perform performance tuning. • Documentation: Write technical specifications and other documentation for new and existing applications. Qualifications: • Education: Bachelor's degree in Computer Science, Engineering ...

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 ...

Artificial Intelligence (AI) and data architecture within the investment banking domain. The ideal candidate will have deep expertise in designing and implementing scalable, high-performance data platforms using modern technologies such as MongoDB, Redis, Elasticsearch, and other tools that enable fast data storage, querying, and exposure. This role requires … like MongoDB, Redis, Elasticsearch, and other NoSQL/relational systems. Collaborate with business stakeholders, data scientists, and engineering teams to deliver solutions that meet performance, scalability, and compliance requirements. Ensure data provenance, integrity, and security across all layers of the architecture. Drive innovation in AI integration, including model deployment ...

trading activity. The successful candidate will work across the full software development lifecycle, contributing to the design, build, deployment, and optimisation of highly scalable, performance-critical applications. Key Responsibilities Build, test, and enhance high-performance trading systems using C++ and Python Translate quantitative models and trading logic into … front-office trading teams Improve market data ingestion, exchange connectivity, and real-time data flows Contribute to distributed systems, low-latency communication, and performance tuning initiatives Take part in design discussions, code reviews, profiling, and CI/CD improvements Gain hands-on exposure to algorithmic trading infrastructure, market ...

services such as EC2, S3, and VPC. Troubleshoot and resolve complex infrastructure issues independently. Automate cloud operations using Terraform, CloudFormation, Python, and Bash. Monitor performance and costs, implementing optimizations as needed. Collaborate with development teams to support application deployment and operations. Assess new cloud technologies to improve infrastructure reliability … management tools (Ansible, Terraform). Experience with container technologies such as Docker, ECS, and Kubernetes. Knowledge of Windows and Linux system administration. Familiarity with performance tuning and cost management in the cloud. Agile development experience and strong communication skills. This position offers the chance to play ...

solutions using Fabric components: o Data Factory (pipelines, orchestration) o Data Engineering (Lakehouse, notebooks, Apache Spark) o Data Warehouse (SQL endpoints, schemas, MPP performance tuning) o Real-Time Analytics (KQL databases, event ingestion) o Manage and enhance OneLake architecture, delta lake tables, security policies, and data governance within ...

high-volume datasets from internal trading platforms and external market data feeds. Create and refine efficient data-access frameworks to support live dashboards, execution performance analysis, and market microstructure research. Design and implement complex event processing (CEP) workflows to detect data issues in real time and generate actionable signals. … Diagnose problems and continuously strengthen the platforms reliability, performance, and cost efficiency. Contribute across the full software development lifecyclefrom initial research and prototyping through delivery, testing, deployment, and ongoing support. SKILL/EXPERIENCE REQUIRED: Several years of commercial experience in data engineering, analytics development in a similar high-performance ...

mission-critical software used by airlines worldwide - powering real-time flight operations, route optimisation, and next-generation cockpit intelligence. You’ll work on high-performance, multi-threaded systems that directly impact global aviation efficiency, fuel optimisation, and safety -contributing to one of the most advanced FMS platforms … real-time data processing for flight planning, scheduling, and air traffic control integration Implement and optimise algorithms for fuel efficiency, route optimisation, and aircraft performance modelling Contribute to multi-threaded, high-performance architectures used in large-scale airline operations Collaborate with system architects, engineers, and aviation domain specialists ...

pipelines and integrations using Snowflake, Python, SQL, and C#. Skills and experience required: Strong proficiency in SQL, Python, and C# (including query optimisation and performance tuning). Experience with data modelling, ETL pipelines, and data integration. Proven ability to work directly with stakeholders and data users to understand ...

latency trading systems, automate infrastructure and application processes, and collaborate directly with trading, development, and infrastructure teams. You will operate in a high-performance environment that values precision, initiative, and continuous innovation. Key Responsibilities Ensure maximum uptime of latency-sensitive trading platforms, proactively identifying and resolving production issues. Automate … role in onboarding new trading desks, products, and exchanges—delivering low-latency infrastructure and reliable integration. Ideal Candidate Profile 3+ years’ experience supporting high-performance trading systems in a Python and Linux-heavy environment. Proven expertise in FIX protocol, trading workflows, and exchange connectivity. Skilled in scripting for automation ...

pipelines and integrations using Snowflake, Python, SQL, and C#. Skills and experience required: Strong proficiency in SQL, Python, and C# (including query optimisation and performance tuning). Experience with data modelling, ETL pipelines, and data integration. Proven ability to work directly with stakeholders and data users to understand ...

compute pioneers to lead the charge on next-generation infrastructure for sovereign AI. To support this endeavor, we’re building a high-performance compute operations team in London. Our work will be sensitive, secure and on the most up-to-date high density compute stacks available. Any offer … Support AI model training platforms by maintaining compute resources, optimizing scheduling, and ensuring compatibility with AI frameworks and libraries. •Monitor, analyse, and fine tune performance metrics addressing bottlenecks or inefficiencies. •Develop and maintain automation scripts and tools (e.g., PowerShell, Python, Bash) to streamline operational tasks, monitoring, and reporting. •Document ...