126 to 150 of 219 Performance Tuning Jobs in London

making skills, supported by data analysis expertise. Excellent communication and presentation abilities for both technical and non-technical audiences. In-depth knowledge of database performance tuning, capacity management, high availability options , and modernization strategies. Proficient with core mainframe subsystems and database query components including z/OS, JCL More ❯

and manage scalable infrastructure using cloud-native technologies and tools. • Gather and analyze metrics from operating systems as well as applications to assist in performance tuning and fault finding. • Partner with business, development and infrastructure teams to improve services through rigorous testing and release procedures. • Develop and maintain More ❯

and manage scalable infrastructure using cloud-native technologies and tools. • Gather and analyze metrics from operating systems as well as applications to assist in performance tuning and fault finding. • Partner with business, development and infrastructure teams to improve services through rigorous testing and release procedures. • Develop and maintain More ❯

regular progress updates to internal and external clients. Assist with project communication and best practice throughout the system implementation. D365 Solution Management. Knowledge in performance tuning possibilities in Dynamics 365 implementations. Essential Technical Skills: Experience of Dynamics 365 CRM/CE architecture and capabilities at enterprise level. Design More ❯

and Geneos for continuous monitoring, diagnostics, and system health checks. Desired technical Skills: Java Expertise: Extensive experience with Core Java , focusing on low-level performance tuning, multithreading , and garbage collection optimization . FIC or similar business knowledge: Strong understanding of FIC markets Experience with FIX protocol , SBE Market More ❯

and Geneos for continuous monitoring, diagnostics, and system health checks. Desired technical Skills: Java Expertise: Extensive experience with Core Java , focusing on low-level performance tuning, multithreading , and garbage collection optimization . FIC or similar business knowledge: Strong understanding of FIC markets Experience with FIX protocol , SBE Market More ❯

on anything" culture, our engineers have opportunities to expand their skill set across many fields; system and platform automation, on-premises and cloud infrastructure, performance tuning, networking, CI/CD pipelines, and software testing. We're big fans of automation and testing. We'll encourage you to think More ❯

our go-to, but we know other databases are available). RESTful API development and management – making systems talk nicely to each other. Proactive Performance Tuning – because nobody likes a sluggish system. A solid grasp of design patterns and how to actually use them. DevOps tooling know-how More ❯

our go-to, but we know other databases are available). RESTful API development and management – making systems talk nicely to each other. Proactive Performance Tuning – because nobody likes a sluggish system. A solid grasp of design patterns and how to actually use them. DevOps tooling know-how More ❯

leading investment platforms and back-office systems in the UK. Your Skills/Background: Design and Build of High Volume Database Architectures, TSQL, SQL, Performance Tuning. Who we are: We're Sprint Enterprise Technology – a small, high-impact fintech company, doing big things in the UK wealth management industry More ❯

leading investment platforms and back-office systems in the UK. Your Skills/Background: Design and Build of High Volume Database Architectures, TSQL, SQL, Performance Tuning. Who we are: We’re Sprint Enterprise Technology – a small, high-impact fintech company, doing big things in the UK wealth management industry More ❯

Support financial risk calculations, loan loss provisions, and real-time financial analytics. · Provide Level 2/3 support for FPSL technical issues, debugging, and performance tuning. Manage FPSL system upgrades, patches, and enhancements in alignment with business needs. Essential Skills & Experience: · SAP FPSL Expertise: 3+ years of experience in More ❯

Support financial risk calculations, loan loss provisions, and real-time financial analytics. · Provide Level 2/3 support for FPSL technical issues, debugging, and performance tuning. Manage FPSL system upgrades, patches, and enhancements in alignment with business needs. Essential Skills & Experience: · SAP FPSL Expertise: 3+ years of experience in More ❯

required of administrators responsible for Red Hat Enterprise Linux systems.] RHCA [skills and knowledge of RHCDS plus advanced networking services security, system monitoring, and performance tuning.] All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able More ❯

impact, with code that can execute thousands of orders per hour. What we expect from you Engineering Experience: 3+ years Engineering Expertise: System design, performance tuning, low-level optimization, Linux Kernel, Network Engineering, Deep Network Knowledge Strong Algorithmic Thinking: Analyze data and develop efficient solutions Collaborative Spirit: Teamwork … and communication skills Systems Thinking: Distributed systems, scalability, performance Ownership & Problem Solving: Own your work and deliver results Culture Fit: Honesty, challenge decisions, leave ego at the door, commit to decisions Interview process Introductory call Technical interview Technical deep dive Optional trading interview Soft skills interview CEO round Compensation … work arrangement, and benefits Salary + bonuses: €120k - €200k base, with performance bonuses twice a year, potentially higher for top candidates Monthly fixed salary: Competitive, based on experience and residency Bonuses: €40k - €70k annually based on performance Equity: Option to allocate part of salary to equity Fund investment More ❯

Excellent Python and SQL skills Agile ways of working Experience in cloud automation and orchestration using tools such as CloudFormation or Terraform Monitoring and performance tuning of cloud-based applications and services Nice to haves: (MLOps): Model Deployment & Serving - Deploy and manage ML models using MLflow, Azure ML … SageMaker, or similar, ensuring scalability and performance. Monitoring & Retraining - Set up model drift detection, performance monitoring, and automated retraining. ML Pipelines & CI/CD - Automate end-to-end ML workflows. We expect you to have some knowledge about how to architect, design, develop, deploy, and operate a data platform. More ❯

framework Manage priorities in cooperation with the development leads for each platform and colleagues overseas Extensive experience with Python (3.x), including multi-threading and performance tuning Knowledge/Experience of implement software using the FIX protocol Knowledge/Experience of implement software using Java (Spring framework) Experience with … Unix or Linux scripting Experience with testing frameworks, including Agile Development Techniques, Unit/System Testing and Performance Testing Basic database query (SQL) experience Experience with C++ include templates and generics an advantage More ❯

for designing and optimising mainframe architectures , supporting cloud migrations, API integrations, and automation initiatives . Key Responsibilities: ✅ Design and implement scalable, secure, and high-performance mainframe solutions ✅ Define architecture roadmaps and ensure alignment with IT and business strategies ✅ Lead mainframe modernisation , including cloud migration, API enablement, and DevOps adoption … Optimise z/OS, CICS, COBOL, DB2, MQ, IMS , and related technologies ✅ Provide technical leadership in integration, automation, and performance tuning ✅ Collaborate with enterprise architects, engineers, and key stakeholders Required Skills & Experience: ✔ Proven experience as a Mainframe Solution Architect in complex enterprise environments ✔ Expertise in z/OS More ❯

for designing and optimising mainframe architectures , supporting cloud migrations, API integrations, and automation initiatives . Key Responsibilities: ✅ Design and implement scalable, secure, and high-performance mainframe solutions ✅ Define architecture roadmaps and ensure alignment with IT and business strategies ✅ Lead mainframe modernisation , including cloud migration, API enablement, and DevOps adoption … Optimise z/OS, CICS, COBOL, DB2, MQ, IMS , and related technologies ✅ Provide technical leadership in integration, automation, and performance tuning ✅ Collaborate with enterprise architects, engineers, and key stakeholders Required Skills & Experience: ✔ Proven experience as a Mainframe Solution Architect in complex enterprise environments ✔ Expertise in z/OS More ❯

a wide variety of systems. QLA are heavily involved in API design and library architecture to meet Engineering standards whilst optimizing time to delivery, performance, and robustness. We also assess and provision 3rd party software when proven superior. Review code. Assisting Quants with coding best practices and improved solutions … Quants. This might be longer term improvements related to the above, development work on infrastructural components (such as the interfacing and orchestration library layers), performance tuning, or deeper engagement with Quant projects. Proactively engage stakeholders from a variety of backgrounds. Understand, document and communicate sometimes quite complex requirements. More ❯

a wide variety of systems. QLA are heavily involved in API design and library architecture to meet Engineering standards whilst optimizing time to delivery, performance, and robustness. We also assess and provision 3rd party software when proven superior. Review code. Assisting Quants with coding best practices and improved solutions … Quants. This might be longer term improvements related to the above, development work on infrastructural components (such as the interfacing and orchestration library layers), performance tuning, or deeper engagement with Quant projects. Proactively engage stakeholders from a variety of backgrounds. Understand, document and communicate sometimes quite complex requirements. More ❯

office of a global investment bank. This role is part of a major, multi-year transformation program aimed at modernising and scaling a high-performance trading platform. You will be working on a greenfield initiative with significant visibility, contributing to the design and build of next-generation front-end … the most talented technologists in the industry and tackle complex engineering challenges at scale. Key Responsibilities Contribute to the design and development of high-performance, low-latency front-end trading systems using React. Build real-time market data visualisation tools and trading dashboards. Work closely with traders, quants, and … back-end engineers to deliver robust and scalable UI solutions. Participate in architecture discussions and contribute to performance tuning and optimisation. Required Skills & Experience Strong proficiency in React.js and modern JavaScript (ES6+) Deep experience building eTrading front-end applications in a fast-paced environment Knowledge of low-latency More ❯

office of a global investment bank. This role is part of a major, multi-year transformation program aimed at modernising and scaling a high-performance trading platform. You will be working on a greenfield initiative with significant visibility, contributing to the design and build of next-generation front-end … the most talented technologists in the industry and tackle complex engineering challenges at scale. Key Responsibilities Contribute to the design and development of high-performance, low-latency front-end trading systems using React. Build real-time market data visualisation tools and trading dashboards. Work closely with traders, quants, and … back-end engineers to deliver robust and scalable UI solutions. Participate in architecture discussions and contribute to performance tuning and optimisation. Required Skills & Experience Strong proficiency in React.js and modern JavaScript (ES6+) Deep experience building eTrading front-end applications in a fast-paced environment Knowledge of low-latency More ❯

One A key eye and appreciation for security Managing the lifecycles of Apple devices via Apple Business Manager (ABM/DEP) Outstanding problem-solving, performance tuning, and troubleshooting skills Excellent communication skills This organisation will offer a market-leading salary, bonus, and benefits package including private healthcare, breakfast More ❯

One A key eye and appreciation for security Managing the lifecycles of Apple devices via Apple Business Manager (ABM/DEP) Outstanding problem-solving, performance tuning, and troubleshooting skills Excellent communication skills This organisation will offer a market-leading salary, bonus, and benefits package including private healthcare, breakfast More ❯