1 to 25 of 26 Performance Tuning Jobs in Central London

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 ...

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 ...

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 ...

Good understanding of ETL processes, databases and other data management tools such as data lakes and DBT. Some exposure to DB Engine operation. Clustering, performance tuning, backups. Linux/Unix Excellent problem-solving and analytical skills. Strong communication, and collaboration abilities. Preferred Qualifications Experience with columnar DB engines … data, and exchange connectivity. Compensation Anticipated Salary Range for United States: $100,000 - $150,000 base salary, plus eligible for discretionary bonus commensurate with performance Primary work location London, NYC or Westchester (Hybrid ...

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 ...

advise on strategy , drive improvements , and deliver robust solutions . Key Responsibilities Design and implement data models that support business needs. Optimise performance across Snowflake and Matillion pipelines. Deliver hands-on solutions while advising on best practices . Collaborate with remote teams and communicate effectively. Bring fresh ideas … Matillion . Matillion is a non negotiable you must be strong in both Snowflake and Matillion. Solid understanding of data modelling and ETL performance tuning . Ability to challenge and improve processes , not just follow them. Excellent communication skills - confident and clear. ...

hosted systems. You'll work with technologies such as C#, ASP.NET Core, RESTful APIs, SQL Server, and AWS services, and be involved in deployments, performance tuning, and continuous improvement of backend architecture and development processes. The ideal candidate will have strong commercial experience in full stack development with … systems and APIs alongside engineering teams * Build secure, scalable, and maintainable services using C# and ASP.NET Core * Optimise SQL Server queries, stored procedures, and performance * Manage AWS deployments and cloud configurations * Analyse existing systems and implement robust solutions * Contribute to continuous improvement of tools, processes, and codebase standards ...

Java Software Engineer A leading trading firm in London is growing its engineering team and is looking for a high-performance Java Engineer to help build ultra-low-latency systems used directly on live trading desks. What You’ll Be Doing Designing and building low-latency Java systems used … electronic trading Developing highly concurrent, multithreaded applications Optimising performance at the microsecond level Working closely with traders, quants, and infrastructure teams Improving throughput, stability, and execution speed Writing clean, well-tested production code What We’re Looking For Strong commercial experience with Core Java Deep knowledge of multithreading, concurrency ...

+ benefits International Capital Markets firm is scaling its London Equities platform and is hiring a TechOps Associate to drive platform reliability, low-latency performance, and controlled change across OMS/EMS, eTrading/algo, market data, and exchange connectivity. You will sit close to the desk … releases (blue/green, canary, feature flags) in partnership with Trading, Quant, and Engineering. Mature observability (logs/metrics/traces), capacity planning, and performance tuning for low-latency flows. Strong production hygiene and controls aligned to MiFID II/MAR/best-ex. Leadership of the London ...

APIs with tRPC running on Node.js/Express Model and query relational and search-optimized data using PostgreSQL and Elasticsearch Contribute to backend architecture, performance tuning, and refactoring work Collaborate with technical and non-technical teammates to clarify requirements and break down work Own implementation from development through ...

problems in computer systems and provide technical solutions with a goal of 90% First Call Resolution. Troubleshooting: Expertly troubleshoot OS issues (BSOD, App Crashing, Performance tuning), VPN connectivity, and networking basics. Incident Lifecycle: Take ownership of employee issues from start to finish. If escalation is required, monitor ...

+ Bens The successful applicant will lead the management and continuous improvement of the Law firms business applications portfolio, ensuring system performance, integration, and alignment with the firms strategic and security objectives. The role will actively engage with Partners, fee earners and business support teams to identify, prioritise … shelf software that increases efficiencies across the firm. Support the firms migration of systems to Microsoft Azure, ensuring application compatibility, security, and performance optimisation. Collaborate with the Infrastructure & Security Manager on dependencies between application and infrastructure layers. Contribute to the Configuration Management Database (CMDB), ensuring accuracy of application assets ...