101 to 125 of 162 Performance Tuning Jobs in London

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 ❯

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 ❯

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 ❯

projects/spaces and users. Design and implement bespoke Jira projects to support business needs. Integrate Jira with ServiceNow for strategic incident management. Perform performance tuning and optimisation. Collaborate with users in an agile environment to understand and meet their needs. Essential Skills: Expert-level knowledge of Jira More ❯

for data visualisation What are we looking for? Proven experience building impactful dashboards Strong SQL and solid Python skills Understanding of data models and performance tuning Bonus: experience with DBT or in finance/trading Apply today or get in touch with me for more info at sean.kennedy More ❯

Python applications using CI/CD, along with proficiency in designing and implementing CI/CD pipelines in Cloud environments. Excellent practical expertise in Performance tuning and system optimisation. Experience with PySpark and Azure Databricks for distributed data processing and large-scale data analysis. Proven experience with web More ❯

loading. * Expertise in Teradata utilities Viewpoint, Query Grid, TD Stats, and TDWM. * Strong understanding of Data Warehouse concepts and ETL processes. * Experience with Teradata performance tuning, workload management (TASM), and partitioning strategies. * Experience with Teradata in GCP. LA International is a HMG approved ICT Recruitment and Project Solutions More ❯

loading. Expertise in Teradata utilities Viewpoint, Query Grid, TD Stats, and TDWM. Strong understanding of Data Warehouse concepts and ETL processes. Experience with Teradata performance tuning, workload management (TASM), and partitioning strategies. Experience with Teradata in GCP. LA International is a HMG approved ICT Recruitment and Project Solutions More ❯

code reviews and ensure adherence to Pega design principles.  Integrate Pega with external systems using APIs, SOAP/REST, MQ, etc.  Plan and conduct performance tuning and optimization.  Stay updated with Pega platform features and suggest adoption strategies. Required Skills & Qualifications:  Pega Certified Lead System Architect (CLSA) certification More ❯

code reviews and ensure adherence to Pega design principles. Integrate Pega with external systems using APIs, SOAP/REST, MQ, etc. Plan and conduct performance tuning and optimization. Stay updated with Pega platform features and suggest adoption strategies. Required Skills & Qualifications: Pega Certified Lead System Architect (CLSA) certification More ❯

or reporting roles with hands-on Power BI expertise. Proven ability to build compelling dashboards, visualisations, and KPI scorecards. Strong understanding of data modelling, performance tuning, and efficient report delivery. Highly organised, detail-oriented, and capable of managing multiple priorities in a fast-moving, international setting. Strong interpersonal More ❯

system integrations and security administration. Monitor non-production and production environments and works in conjunction with, database administrators, security and systems administrators to provide performance tuning on application, database, server and security settings and features. Appropriately use tools and provides direction to efficiently manage code migrations, environment builds More ❯

in this role involves collaborating with technology leaders, contributing to the enhancement of day-to-day operations, and ensuring improvements in availability, reliability, latency, performance, and efficiency of the ESC. You will be required to occasionally participate in "on-call" rotations to resolve incidents occurring out-of-hours. The … and Ethnicity (CORE) and AmazeCon (gender diversity) conferences, inspire us to never stop embracing our uniqueness. Mentorship & Career Growth We're continuously raising our performance bar as we strive to become Earth's Best Employer. That's why you'll find endless knowledge-sharing, mentorship and other career-advancing … driving operational best practices. Proficient scripting processes in a language such as Bash, Python, or Ruby Proficient troubleshooting and anticipating problems that affect the performance, reliability, or availability of software systems PREFERRED QUALIFICATIONS Experience working cross-organizationally and leading strategic team efforts requiring work from multiple team members Experience More ❯

in this role involves collaborating with technology leaders, contributing to the enhancement of day-to-day operations, and ensuring improvements in availability, reliability, latency, performance, and efficiency of the ESC. You will be required to occasionally participate in "on-call" rotations to resolve incidents occurring out-of-hours. The … within your team's responsibility. In the process, you diligently identify anomalies and craft actionable bug reports, aspiring to enhance the overall efficiency and performance of your systems. In addition to these responsibilities, you offer constructive feedback on change management documents and work earnestly to address your team's … by the bold ideas, fresh perspectives, and passionate voices our teams bring to everything we do. Mentorship & Career Growth: We're continuously raising our performance bar as we strive to become Earth's Best Employer. That's why you'll find endless knowledge-sharing, mentorship and other career-advancing More ❯

with product and trading teams to deliver performant, user-focused features in a fast-paced, regulated environment. Key Responsibilities: Develop and maintain modular, high-performance Angular components Build and optimize Electron-based desktop applications for real-time trading workflows Collaborate with backend developers and DevOps teams to ensure seamless … data integration Contribute to UI/UX decisions, performance tuning, and application stability Required Skills: Strong commercial experience with Angular, TypeScript, RxJS Proven track record building Electron applications in production environments Familiarity with real-time data feeds, low-latency UI, and high-frequency update scenarios Experience working within More ❯

macro trading platform. This is a high-impact, long-term consulting opportunity within a prestigious investment firm, offering the chance to build scalable, high-performance backend systems that directly support global macro trading strategies. The role demands strong technical expertise, deep financial markets knowledge, and a collaborative mindset.. Project … trading teams to design, build, and enhance the macro trading platform. Engineer robust backend components, services, and APIs in a distributed architecture. Optimize system performance, ensure reliability, and manage scalability in a cloud-centric environment. Strike the right balance between speed of delivery and system robustness. Integrate external market … through deployment. Strong background in distributed systems, messaging, databases, and caching technologies. Solid understanding of cloud infrastructure and modern development workflows. Expertise in code performance tuning and optimization. Proficient in at least one major backend language (e.g., Python, C#, C++). Familiarity with Git or other version control More ❯

knowledge of financial markets, particularly in Foreign Exchange (FX) . Technical Requirements: Core Java 17+ Advanced low-latency development techniques (zero GC, copy-free) Performance tuning at JVM level, garbage collection (GC) , and OS-level optimization FIX protocol Experience with low-latency messaging technologies : Aeron, SBE, Protobuf, Agrona … RFQ & Streaming protocols , market making, and order management Experience with distributed computing and distributed caching tools such as: Hazelcast, Redis, Coherence , or similar Profile: Performance-driven mindset with focus on reliability and scalability Ability to lead technically , mentor junior team members, and promote best practices in development and testing More ❯

authentication on Linux servers Manage and troubleshoot existing Ansible playbooks used for configuration management across the Linux environment Collaborate cross-functionally to monitor system performance, analyze system logs, and proactively address issues Create and maintain system documentation including configuration guides, standard operating procedures, and troubleshooting steps What's required … with Active Directory Familiarity with Ansible for automation and configuration management Hands-on experience with Red Hat Enterprise Linux (RHEL) administration, including installation, configuration, performance tuning, and troubleshooting Experience with creating and maintaining remote mounts (CIFS/samba/NFS) for both client and server configurations Familiarity with More ❯

metrics. Collaborating with business teams to understand reporting needs and deliver intuitive analytics experiences. Creating clear documentation for dashboards, metrics, and models. Ensuring optimal performance and cost efficiency across Looker and BigQuery. Supporting a stakeholder-first approach to data usability and access. KEY SKILLS AND REQUIREMENTS Advanced experience with … clarity. Comfortable working independently in a dynamic, fast-changing environment. DESIRABLE SKILLS Experience rebuilding or refactoring a Looker instance from scratch. Familiarity with BigQuery performance tuning and cost optimization. Experience scaling analytics across a cross-functional organisation HOW TO APPLY Please register your interest by sending your CV More ❯

for scalable and secure data management. Collaborating with cross-functional teams to design and optimize cloud-based data solutions. Ensuring data quality, integration, and performance through best practices and advanced ETL techniques. Implement data quality checks & Standardization in the code. Document all mappings, mapplets and rules in detail and … Cloud Services IDMC components - application integration, data integration, Informatica data quality. Strong functional understanding of RDBMS DWH-BI conceptual knowledge. Strong SQL Skills and performance tuning capabilities. Excellent knowledge of the Informatica platform as a whole and the integration among different Informatica components and services. Excellent data analysis More ❯