76 to 95 of 95 Performance Tuning Jobs in the Thames Valley

We’re working with a leading global investment bank expanding its Front Office FX eTrading team. This is a greenfield build of a next-generation trading platform that is performance-critical, front-office facing, and built for scale and speed. You’ll be joining a team of exceptional technologists delivering cutting-edge solutions across FX Spot, Forwards, and Pricing … trading. Work closely with traders and quants to deliver performant pricing and hedging solutions. Lead components of system re-architecture and optimisation projects. Take ownership of end-to-end performance, from network to JVM tuning. Contribute to a high-performing, globally distributed engineering team. Technical Environment Core Java, Aeron, lock-free/concurrent programming High-performance messaging, distributed … RFQ, and automated hedging systems What We’re Looking For Proven experience designing or building low-latency trading systems (FX or other asset classes). Deep understanding of Java performance tuning, GC optimisation, and threading models. Ability to discuss design decisions and architecture in depth. Front-office experience and a strong understanding of electronic trading workflows. Why Apply More ❯

Product mindset with stakeholder engagement and roadmap ownership FinTech or scale-up background Containerisation lifecycle (not just in Kubernetes) Experience developing GitHub pipelines Nice-to-Haves Experience with MongoDB performance tuning Familiarity with Node.js environments Exposure to regulated sectors (CASS knowledge is a big plus) Comfortable with scripting, tooling, and platform metrics This is a rare opportunity to More ❯

leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading teams. Key Responsibilities: Develop scalable backend systems to support high … frequency FX trading Collaborate with quants and traders to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar More ❯

generous bonus Durlston Partners is working with a leading HFT firm seeking a C++ Software Engineer to join their trading infrastructure team. You will design, implement, and optimise high-performance trading systems that operate in real-time across global markets. What You’ll Do: Develop and optimize high-performance C++ trading infrastructure Work on low-latency, multithreaded systems … to implement strategies What They’re Looking For: Relevant working in Systematic Trading/Crypto/Finance Strong C++ skills and systems programming experience Experience with networking, concurrency, and performance tuning Perks: Competitive pay and bonuses Cutting-edge tech and challenging problems Strong project ownership Great benefits package Hybrid working, with a great office space in London How More ❯

review, implementation and optimisation for Cloud solutions. As an extension of our client’s IT team, you will be a valued member of the accounts team, ensuring the operation performance and suitability of the solutions we provide. This role is an internal authority in these areas, and as a voice of the customer, looked upon to provide technical leadership … an ability to command and influence from engineering to C-Level engagements. Ideally you will have extensive experience working on Virtualization VMWare and Cloud , Azure platform – configuration, build and performance tuning as well as experience of architecting and managing production environments across Physical, Virtualized and Cloud technologies, What Makes Us Great Six Degrees has been honoured as an More ❯

Gateway oData Services, CDS Views, ABAP for HANA, RFC Function Modules, Data dictionary object, BADI, BAPI, User-Exits, Web Services, Smart forms, client & server Proxy, ALV Report, Classical Reports, Performance tuning & Transformations Experience of SAP PO/PI desirable Ability to take responsibility for the design activities on projects, the production of design specifications and the review of More ❯

ideas to life, building reliable, well-crafted WordPress sites that perform beautifully across all devices. The work is varied, everything from custom themes and plugins to API integrations and performance tuning. You’ll be involved in projects from concept through to delivery, contributing ideas, solving problems, and helping clients get the best out of their websites. What You’ll More ❯

ideas to life, building reliable, well-crafted WordPress sites that perform beautifully across all devices. The work is varied, everything from custom themes and plugins to API integrations and performance tuning. You’ll be involved in projects from concept through to delivery, contributing ideas, solving problems, and helping clients get the best out of their websites. What You’ll More ❯

FPGA ENGINEER – ULTRA-LOW LATENCY SYSTEMS Location: London (Hybrid: 4 days onsite) Sector: Quant Trading/High-Performance Computing Industry leading compensation Quant Capital is partnering with a global trading firm building a greenfield FPGA team focused on low-latency, high-throughput hardware systems. This small, senior group will deliver high-speed compute infrastructure integrated directly into trading, research … We’re Looking For Strong RTL skills with experience building complex, optimised designs Programming skills, C, C++ or similar Solid grasp of timing closure, datapath design, and hardware-level performance tuning Familiar with toolchains (Vivado, Quartus) and debugging workflows Comfortable working close to hardware and owning the full development cycle Interest in improving hardware workflows or applying high More ❯

The 3rd Line Engineer will ensure IT systems are robust and free from security threats and vulnerabilities. The 3rd Line Engineer will foster a culture of first-class system performance tuning and optimisation. The 3rd Line Engineer will be comfortable with networking concepts and protocols. The 3rd Line Engineer will be up-to-date with the latest developments More ❯

Key Responsibilities:- Design, develop, and maintain scalable data pipelines and ETL processes. Collaborate with data analysts and business stakeholders to understand data requirements. Optimize data workflows for performance and reliability. Ensure data quality, integrity, and security across systems. Work with large datasets using tools like Hadoop, Spark, and SAS. Integrate data from various sources including IBM Mainframe systems. Troubleshoot … knowledge of IBM Mainframe systems and data structures. Advanced programming skills in Hadoop, SQL, Spark, and Python. Strong problem-solving and analytical skills. Experience with data modeling, warehousing, and performance tuning. Familiarity with Santander UK systems and processes is a strong advantage. Preferred Qualifications:- Bachelors or Masters degree in Computer Science, Data Engineering, or related field. Certifications in SAS More ❯

lake. Data Transformation with Python: Write, optimize, and maintain production-grade Python scripts to clean, transform, aggregate, and process large volumes of data. Database Interaction (SQL): Develop complex, high-performance SQL queries (DDL/DML) for data extraction, manipulation, and validation within relational and data warehousing environments. Quality Assurance: Implement data quality checks and monitoring across pipelines, identifying discrepancies … scripting. Familiarity with standard Python data libraries (e.g., Pandas, NumPy ). Database Expert-level proficiency in SQL (Structured Query Language). Experience writing complex joins, stored procedures, and performing performance tuning. Big Data Concepts Foundational understanding of Big Data architecture (Data Lakes, Data Warehouses) and distributed processing concepts (e.g., MapReduce). ETL/ELT Basic knowledge of ETL principles More ❯

UI designers, architects, and other developers to deliver high-quality digital experiences. Integrate AEM with third-party services and APIs. Ensure code quality through unit testing, code reviews, and performance tuning. Participate in Agile ceremonies and contribute to sprint planning and delivery. Troubleshoot and resolve issues across the full stack (front-end, back-end, cloud infrastructure). Stay current … UI designers, architects, and other developers to deliver high-quality digital experiences. Integrated AEM with third-party services and APIs. Ensure code quality through unit testing, code reviews, and performance tuning. Participate in Agile ceremonies and contribute to sprint planning and delivery. Troubleshoot and resolve issues across the full stack (front-end, back-end, cloud infrastructure, deployment pipeline). More ❯

operates at the intersection of blockchain, algorithmic and automated trading, and distributed systems, and is seeking a Lead Systems Engineer to architect and scale the infrastructure behind their high-performance Crypto operations. Role Overview As Lead Systems Engineer, you’ll take ownership of the systems that power real-time, on-chain trading strategies. You’ll work across bare metal … for blockchain-integrated services. Build and maintain infrastructure for running blockchain nodes, RPC endpoints, and trading bots. Automate deployment and monitoring using Python and Golang. Ensure high availability and performance of systems interacting with DeFi protocols. Collaborate with smart contract developers, quant researchers, and trading engineers. Skills 8+ years' experience as a System Engineer/Platform Engineer 5+ years … experience in Linux system administration and performance tuning. Strong experience with configuration management tools (e.g., Terraform, Ansible). Proven track record in CI/CD pipeline design, especially for distributed systems. Experience with cloud platforms (AWS, GCP, or Azure). Proficiency in Python and Golang for automation and tooling. Familiarity with blockchain infrastructure, including Ethereum, Solana, or Layer More ❯

firm in their search for an experienced KDB+ Engineer to join their growing data and analytics engineering team. This is a hands-on development role focused on building high-performance data systems and real-time analytics that power decision-making across trading and management teams. Key Responsibilities Design, enhance, and maintain analytics platforms that deliver transparency and actionable insights … frameworks supporting real-time dashboards, execution analytics, and market microstructure research. Design complex event processing systems to detect data anomalies and generate real-time trading signals. Continuously improve system performance, robustness, and scalability while managing cost and operational efficiency. Collaborate closely with quants, traders, and technology teams to deliver reliable, low-latency data solutions. Required Skills & Experience Expert proficiency … with experience in large-scale data and analytics systems. Strong programming background in Python and/or Java. Solid understanding of Linux systems engineering, including networking and kernel-level performance tuning. Experience working with market data. Familiarity with low-latency and high-frequency trading environments would be a plus. Exposure to AWS and cloud-based KDB+ deployments, with practical More ❯

HK A leading buy-side firm is seeking a C++ Low Latency Developer to join its fast-paced trading environment. The ideal candidate will have strong experience developing high-performance systems within financial markets and a passion for optimization and low-level engineering. Key Responsibilities Design, develop, and optimize low-latency C++ systems for trading applications. Collaborate with quantitative … and infrastructure teams to improve performance and stability. Contribute to system architecture and scalability across global trading platforms. Maintain high coding standards, ensuring reliability and speed in production systems. Requirements 3+ years of professional experience in C++ development. Proven background in low-latency systems within financial services. Deep understanding of data structures, algorithms, and performance tuning. Experience in More ❯

and operations teams, taking full responsibility for the organisation’s core technology services—including infrastructure, digital workplace, and IT security. You will ensure the secure design, management, maintenance, and performance of key systems such as networks, datacentres, cloud platforms, servers, and end-user devices. Working closely with business and IT leadership, you will define and deliver the strategic roadmap … What are the day-to-day tasks? Strategies and Operational control : Develops strategies for managing the cloud infrastructure, Digital Workplace and Security Operations, providing technical leadership to optimise the performance and cost base of the services Monitoring and reporting : Ensures that operational issues are identified, recorded, monitored and resolved. Provides appropriate status and other reports to specialists, users and … and processes (including automation) for the management of systems and services. Problem Management: Conducts investigations of significant operational outage and provides recommendations for problem mitigation. Initiates reviews of infrastructure performance to surface & resolve problems and build infrastructure resilience. Service levels: Ensures that the Cloud infrastructure, Digital Workplace and Security operations team meet Service or Operational Level Agreements. Reports and More ❯

ensure effective adoption of ERP systems. Collaborate with cross-functional teams, including IT, finance, and operations, to ensure seamless integration of ERP solutions. Conduct system testing, data migration, and performance tuning. Provide ongoing support and maintenance to ensure optimal system performance and user satisfaction. Qualifications: Proven experience as an Oracle ERP Consultant with a focus on transformation projects. More ❯

integrations. What you’ll do Architect Core Systems: Design and implement systems—especially save/load and state restoration—that support rapid and frequent game state capture with minimal performance overhead. Integrate Ludeo Tech: Work closely with partner teams to embed Ludeo’s technology into games using various engines, ensuring high performance and predictable timelines. Tool Development: Build … at least two shipped AAA titles, with significant contributions to gameplay or systems architecture. Deep understanding of game architecture, including gameplay systems, save/load systems, multiplayer networking, and performance tuning. Expert-level knowledge of game engines. Experience working with custom/proprietary engines. Strong analytical and creative problem-solving skills. Excellent communication skills in English, capable of articulating More ❯

build cutting edge frontend systems for Fixed Income eTrading including Rates, Credit, and Bonds. You'll work closely with world-class technologists and domain experts to deliver scalable, high-performance UIs that support real-time trading and analytics. Key Responsibilities Design and develop responsive, low-latency front-end trading systems using React. Build dashboards and visualisation tools for Fixed … Income market data and trade execution. Collaborate with traders, quants, and back-end engineers to deliver seamless UI experiences. Contribute to architectural decisions and front-end performance tuning. Required Skills & Experience Expertise in React.js and modern JavaScript (ES6+) Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design More ❯