101 to 125 of 156 Performance Optimisation Jobs in the City of London

IB Engineering teams and project stakeholders. What You Bring: A minimum of five years of experience in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding More ❯

IB Engineering teams and project stakeholders. What You Bring: A minimum of five years of experience in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding More ❯

generate insights through analytical reports, enhancing integrations and documentation. Regularly audit and upgrade software packages, libraries, and dependencies used in GitHub repositories. Maintain and optimize infrastructure components to ensure performance, reliability, and security. Design and manage Terraform and Ansible scripts for infrastructure automation and configuration management. Develop and maintain Azure DevOps CI/CD pipelines for efficient software delivery. … and Fargate, ensuring scalable and secure microservice environments. Use Docker for containerizing applications and improving deployment consistency. Manage and secure Apigee or similar API Management platforms, ensuring API governance, performance optimization, and compliance. Ensure security and compliance best practices across the platform, including secure coding, dependency management, and vulnerability scanning. Implement and enforce API security and access controls using …/ECR/Fargate. Strong understanding of CI/CD tools such as Azure DevOps, GitHub Actions, and Jenkins. Proficiency with Docker for containerization. Experience in monitoring tools and performance tuning for large-scale distributed systems. Solid knowledge of Apigee or similar API Management platforms. Ability to design and implement API strategies, policies, and analytics. Experience developing and integrating More ❯

generate insights through analytical reports, enhancing integrations and documentation. Regularly audit and upgrade software packages, libraries, and dependencies used in GitHub repositories. Maintain and optimize infrastructure components to ensure performance, reliability, and security. Design and manage Terraform and Ansible scripts for infrastructure automation and configuration management. Develop and maintain Azure DevOps CI/CD pipelines for efficient software delivery. … and Fargate, ensuring scalable and secure microservice environments. Use Docker for containerizing applications and improving deployment consistency. Manage and secure Apigee or similar API Management platforms, ensuring API governance, performance optimization, and compliance. Ensure security and compliance best practices across the platform, including secure coding, dependency management, and vulnerability scanning. Implement and enforce API security and access controls using …/ECR/Fargate. Strong understanding of CI/CD tools such as Azure DevOps, GitHub Actions, and Jenkins. Proficiency with Docker for containerization. Experience in monitoring tools and performance tuning for large-scale distributed systems. Solid knowledge of Apigee or similar API Management platforms. Ability to design and implement API strategies, policies, and analytics. Experience developing and integrating More ❯

Web3 functionalities throughout the tech stack. Design and implement caching solutions using Redis to optimize application performance. Build and maintain API integrations between frontend and backend systems. Ensure high performance, reliability, and security across all system components. Collaborate with the team on technical architecture decisions and implementation strategies. Work closely with product and design teams to implement new features. … distributed storage systems. Experience with ethers.js and Web3 libraries for blockchain interaction. Experience with microservices architecture. Strong understanding of database design and optimization. Knowledge of security best practices and performance optimization. Experience with automated testing and CI/CD pipelines. Go development experience is a plus. Experience with monitoring and observability tools such as Prometheus and Grafana is a 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 with 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 with More ❯

and machine learning use cases. Work closely with clients to understand data requirements and translate them into robust technical solutions. Implement best practices for data modelling, data quality, and performance tuning across cloud-based platforms. Collaborate with cross-functional teams including data scientists, analysts, and software engineers to deliver end-to-end data solutions. Ensure data security, compliance, and … standards are met across all projects. Required Skills Strong experience with Azure data services (Data Factory, Synapse, Blob Storage, etc.). Proficiency in SQL for data manipulation, transformation, and performance optimisation. Hands-on experience with Databricks (Spark, Delta Lake, notebooks). Solid understanding of data architecture principles and cloud-native design. Experience working in consultancy or client-facing roles More ❯

and machine learning use cases. Work closely with clients to understand data requirements and translate them into robust technical solutions. Implement best practices for data modelling, data quality, and performance tuning across cloud-based platforms. Collaborate with cross-functional teams including data scientists, analysts, and software engineers to deliver end-to-end data solutions. Ensure data security, compliance, and … standards are met across all projects. Required Skills Strong experience with Azure data services (Data Factory, Synapse, Blob Storage, etc.). Proficiency in SQL for data manipulation, transformation, and performance optimisation. Hands-on experience with Databricks (Spark, Delta Lake, notebooks). Solid understanding of data architecture principles and cloud-native design. Experience working in consultancy or client-facing roles More ❯

are designed and delivered to align with business objectives and measurable success outcomes. Act as the voice of engineering in cross-departmental initiatives and planning sessions. Define goals and performance expectations at both team and individual levels, and track progress against them. Key Experience Required: Proven background in designing and delivering enterprise-grade software solutions. Beneficial experience includes T … responsibilities. Excellent communication abilities, with strength in stakeholder engagement and problem-solving. Strong awareness of business priorities and the ability to balance technical decisions with technical outcomes. Skilled in performance optimization, troubleshooting, complex issues, and applying secure coding standards. Extensive hands-on experience with Python. Deep knowledge of system architecture, continuous integration/continuous delivery, and modern engineering practices. More ❯

are designed and delivered to align with business objectives and measurable success outcomes. Act as the voice of engineering in cross-departmental initiatives and planning sessions. Define goals and performance expectations at both team and individual levels, and track progress against them. Key Experience Required: Proven background in designing and delivering enterprise-grade software solutions. Beneficial experience includes T … responsibilities. Excellent communication abilities, with strength in stakeholder engagement and problem-solving. Strong awareness of business priorities and the ability to balance technical decisions with technical outcomes. Skilled in performance optimization, troubleshooting, complex issues, and applying secure coding standards. Extensive hands-on experience with Python. Deep knowledge of system architecture, continuous integration/continuous delivery, and modern engineering practices. More ❯

are designed and delivered to align with business objectives and measurable success outcomes. Act as the voice of engineering in cross-departmental initiatives and planning sessions. Define goals and performance expectations at both team and individual levels, and track progress against them. Key Experience Required: Proven background in designing and delivering enterprise-grade software solutions. Beneficial experience includes T … responsibilities. Excellent communication abilities, with strength in stakeholder engagement and problem-solving. Strong awareness of business priorities and the ability to balance technical decisions with technical outcomes. Skilled in performance optimization, troubleshooting, complex issues, and applying secure coding standards. Extensive hands-on experience with Python. Deep knowledge of system architecture, continuous integration/continuous delivery, and modern engineering practices. More ❯

are designed and delivered to align with business objectives and measurable success outcomes. Act as the voice of engineering in cross-departmental initiatives and planning sessions. Define goals and performance expectations at both team and individual levels, and track progress against them. Key Experience Required: Proven background in designing and delivering enterprise-grade software solutions. Beneficial experience includes T … responsibilities. Excellent communication abilities, with strength in stakeholder engagement and problem-solving. Strong awareness of business priorities and the ability to balance technical decisions with technical outcomes. Skilled in performance optimization, troubleshooting, complex issues, and applying secure coding standards. Extensive hands-on experience with Python. Deep knowledge of system architecture, continuous integration/continuous delivery, and modern engineering practices. More ❯

to life with technical excellence Develop and maintain features across our mobile app and Next.js web platform Build robust, scalable solutions that handle our rapidly growing user base Optimize performance and ensure smooth user experiences across all platforms Integrate with AI/ML services and educational content delivery systems Think like an interaction designer - considering user flows, edge cases … experience isn't required Startup Mindset: Thrives in fast-paced environments with rapid iteration and high impact Innovation Drive: Excited by the opportunity to build cutting-edge educational technology Performance Focused: Understanding of mobile performance optimization and smooth user experiences What We Offer Competitive salary Opportunity to make a real impact on educational outcomes for students worldwide Collaborative More ❯

to life with technical excellence Develop and maintain features across our mobile app and Next.js web platform Build robust, scalable solutions that handle our rapidly growing user base Optimize performance and ensure smooth user experiences across all platforms Integrate with AI/ML services and educational content delivery systems Think like an interaction designer - considering user flows, edge cases … experience isn't required Startup Mindset: Thrives in fast-paced environments with rapid iteration and high impact Innovation Drive: Excited by the opportunity to build cutting-edge educational technology Performance Focused: Understanding of mobile performance optimization and smooth user experiences What We Offer Competitive salary Opportunity to make a real impact on educational outcomes for students worldwide Collaborative More ❯

the-box capabilities, integrations, and 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 requirements, translating them into comprehensive … leveraging various integration methods (e.g., 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 solutions, showcasing platform capabilities and … addressing client requirements. Performance Tuning & Optimization: Identify and address performance bottlenecks, ensuring the scalability and optimal performance of ServiceNow applications. Advanced Scripting & Development: Possess expert-level experience with ServiceNow scripting (Server-side JavaScript, GlideRecord, GlideSystem, UI Policies, Business Rules, Client Scripts, Script Includes) and the development of custom applications. Agile Leadership: Guide agile development teams from a More ❯

the-box capabilities, integrations, and 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 requirements, translating them into comprehensive … leveraging various integration methods (e.g., 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 solutions, showcasing platform capabilities and … addressing client requirements. Performance Tuning & Optimization: Identify and address performance bottlenecks, ensuring the scalability and optimal performance of ServiceNow applications. Advanced Scripting & Development: Possess expert-level experience with ServiceNow scripting (Server-side JavaScript, GlideRecord, GlideSystem, UI Policies, Business Rules, Client Scripts, Script Includes) and the development of custom applications. Agile Leadership: Guide agile development teams from a More ❯

Trade Support Engineer | Production Support | Market Making London | 200,000 300,000 (Base + Performance Bonus) | 4 Days in Office Were working with a leading market-making firm seeking an experienced Trade Support Engineer to join their London team. This is a hands-on, front-office support role within a fast-paced trading environment, where youll play a key … and data analysis (Pandas, NumPy). Advanced SQL experience (PostgreSQL or similar) working with large, real-time datasets. Proven Linux system administration experience, including shell scripting, process monitoring, and performance optimization in low-latency or real-time trading environments. Solid understanding of market data sources (Bloomberg, Refinitiv/Reuters, ICE, etc.). Prior exposure to electronic trading, execution platforms … making systems. Excellent communication and problem-solving skills; able to perform effectively under pressure in a front-office environment. Compensation & Benefits Total Compensation: 200,000 300,000 (Base + Performance Bonus) Direct collaboration with traders and technologists in a high-performance, front-office setting. Opportunity to contribute to cutting-edge trading infrastructure across global markets. Work Pattern Hybrid More ❯

Trade Support Engineer | Production Support | Market Making London | £200,000 – £300,000 (Base + Performance Bonus) | 4 Days in Office We’re working with a leading market-making firm seeking an experienced Trade Support Engineer to join their London team. This is a hands-on, front-office support role within a fast-paced trading environment, where you’ll play … and data analysis (Pandas, NumPy). Advanced SQL experience (PostgreSQL or similar) working with large, real-time datasets. Proven Linux system administration experience, including shell scripting, process monitoring, and performance optimization in low-latency or real-time trading environments. Solid understanding of market data sources (Bloomberg, Refinitiv/Reuters, ICE, etc.). Prior exposure to electronic trading, execution platforms … making systems. Excellent communication and problem-solving skills; able to perform effectively under pressure in a front-office environment. Compensation & Benefits Total Compensation: £200,000 – £300,000 (Base + Performance Bonus) Direct collaboration with traders and technologists in a high-performance, front-office setting. Opportunity to contribute to cutting-edge trading infrastructure across global markets. Work Pattern Hybrid More ❯

Institutional | London (Hybrid) | Up to £100k Albert Bow has partnered with a fast-growing global fintech platform transforming how institutional clients access digital assets. The team is building high-performance, low-latency trading systems at the forefront of financial services. The Role: Join a dedicated, high-performing engineering team to build and maintain Order Management Systems, exchange gateways, and … risk management systems. You’ll work on critical infrastructure powering institutional trading. What You’ll Do: Build scalable, high-performance trading services using Python and SQL Develop and maintain OMS and exchange connectivity systems Apply best practices in multithreading, network programming, and performance tuning Collaborate across teams to improve system reliability and efficiency Contribute to architecture and system … environment What You’ll Bring: Strong Python and SQL experience Experience with low-latency, high-throughput systems (trading, fintech, or real-time applications) Familiarity with multithreading, network programming, and performance optimization Understanding of algorithms, data structures, and distributed systems Experience in trading systems or financial infrastructure is a plus, but blockchain/crypto experience is not required Passion for More ❯

integration between computation, data, and science. You should have Deep experience building and scaling backend systems and distributed applications . Strong coding skills in Python , with an understanding of performance tuning and concurrency. Hands-on experience with Kubernetes , AWS , and modern cloud infrastructure . Proficiency with databases — schema design, performance optimization, and analytics. Familiarity with REST APIs , websockets … security best practices. A disciplined engineering mindset — you think about reliability, maintainability, and long-term scalability. Nice-to-haves Experience with MLOps and model-serving infrastructure. Background in high-performance computing or large-scale scientific workloads. Expertise in data pipeline architecture and real-time streaming systems. Knowledge of scientific or biological computing environments . This is a rare opportunity More ❯

integration between computation, data, and science. You should have Deep experience building and scaling backend systems and distributed applications . Strong coding skills in Python , with an understanding of performance tuning and concurrency. Hands-on experience with Kubernetes , AWS , and modern cloud infrastructure . Proficiency with databases — schema design, performance optimization, and analytics. Familiarity with REST APIs , websockets … security best practices. A disciplined engineering mindset — you think about reliability, maintainability, and long-term scalability. Nice-to-haves Experience with MLOps and model-serving infrastructure. Background in high-performance computing or large-scale scientific workloads. Expertise in data pipeline architecture and real-time streaming systems. Knowledge of scientific or biological computing environments . This is a rare opportunity More ❯

and applications. This role combines the best of data engineering and DevOps, focusing on containerized environments, orchestration, and continuous delivery. You'll lead initiatives to streamline data workflows, optimize performance, and ensure reliability across cloud platforms-while guiding teams with strong technical leadership. Key Responsibilities * Pipeline Automation: Build and orchestrate data workflows using tools like Airflow, Prefect, or Dagster. … Observability: Deploy solutions using Grafana, Prometheus, and other tools to ensure data quality and system health. * Infrastructure as Code: Use Terraform and Ansible to provision and manage data infrastructure. * Performance Optimization: Enhance data processing for speed, scalability, and reliability. What We're Looking For * Strong experience with orchestration tools (Airflow, Prefect, Dagster). * Expertise in Docker and Kubernetes. * Solid More ❯

to architecture and engineering teams. Evaluate and enhance systems to meet evolving data and AI innovation needs. Data & AI Solution Design Lead the design and development of secure, high-performance data pipelines, data lakes, and AI platforms using modern cloud technologies (AWS, Azure, or GCP). Define architecture patterns for data ingestion, transformation, and AI model deployment aligned with … based data platforms (AWS, Azure, or GCP). Strong expertise in data modeling, warehousing, integration, and governance . Hands-on experience with SQL/NoSQL databases , data security , and performance optimization . Strong understanding of AI frameworks and scalable infrastructure . Preferred: Master’s or Ph.D. in a related field. Experience with ML/DL frameworks (TensorFlow, PyTorch, Scikit More ❯

to architecture and engineering teams. Evaluate and enhance systems to meet evolving data and AI innovation needs. Data & AI Solution Design Lead the design and development of secure, high-performance data pipelines, data lakes, and AI platforms using modern cloud technologies (AWS, Azure, or GCP). Define architecture patterns for data ingestion, transformation, and AI model deployment aligned with … based data platforms (AWS, Azure, or GCP). Strong expertise in data modeling, warehousing, integration, and governance . Hands-on experience with SQL/NoSQL databases , data security , and performance optimization . Strong understanding of AI frameworks and scalable infrastructure . Preferred: Masters or Ph.D. in a related field. Experience with ML/DL frameworks (TensorFlow, PyTorch, Scikit-learn More ❯