1 to 25 of 81 Performance Optimisation Jobs in London

as: Evolve Our Snowflake Data Warehouse: Take ownership of our Snowflake platform to ensure it is a highly efficient and accessible resource for the business. Implement best practices for performance optimisation, scalability, and cost management, empowering teams to access and utilise data seamlessly. Streamline Data Pipelines: Lead the development and optimisation of data pipelines using DBT , enabling … and frameworks. Recommend and lead the adoption of innovations that enhance our data engineering capabilities, ensuring we remain competitive and forward-thinking. The requirements Essential: Expertise in Snowflake, including performance optimisation, cost management, and advanced data warehousing techniques. Experience in designing and implementing scalable data architectures that meet the needs of complex, data-driven organisations. Strong SQL skills … for this role. But, we're open-minded, so definitely include your salary goals with your application. We routinely benchmark salaries against market rates, and run quarterly performance and salary reviews. The culture At iwoca, we prioritise a culture of learning, growth, and support, and invest in the professional development of our team members. We value thought and skill More ❯

tools, platforms, and processes that improve the overall developer experience. Your work will involve close collaboration with developers, DevOps engineers, and other customers to ensure seamless integration and optimal performance of development workflows. Key Responsibilities: Developer Experience Enhancements: Work on projects to improve developer productivity using tools such as Backstage to create internal developer portals and improve developer workflows. … standard methodologies for DevOps. Infrastructure Automation & Management: Use Terraform/OpenTofu and automation frameworks to provision and manage infrastructure. Monitoring & Observability: Configure and utilise observability tools like Datadog for performance monitoring, alerting, and visualisation, ensuring system reliability and quick identification of issues. Performance Optimisation: Continuously monitor the performance of the tools and services and implement optimisations More ❯

to deliver the best possible customer experience, with a focus on security, usability, and accessibility. Conduct and participate in code reviews, considering functional and non-functional requirements such as performance, resiliency, maintainability, and security. Promote continuous improvement in team effectiveness and culture, supporting changes that enhance productivity and happiness. Build a collaborative environment, coaching and mentoring less experienced engineers. … code principles, design patterns, distributed systems, software testing, CI/CD, and Agile methodologies (Scrum/Kanban). Knowledge of application security. Additional desirable skills: SQL, GraphQL, Maven Frontend performance optimisation API security and secure coding best practices Git release strategies Nice to have: Postgres, DynamoDB, Kubernetes, GitHub Actions, Feign, Quarkus. Proven track record in: Delivering well-optimised More ❯

secure, scalable full-stack solutions that solve complex legal business challenges Collaborate with UX designers and stakeholders to bring creative visions to life Optimise front-end code for peak performance, accessibility, and cross-browser compatibility Champion software quality through rigorous testing and continuous improvement practices Drive innovation through Agile methodologies and collaborative problem-solving Maintain business-critical systems and … versed in Git version control in multi-developer environments Bonus Points For: Experience with .NET/.NET Core development and Entity Framework Knowledge of MS SQL Server and database optimisation Familiarity with accessibility standards (WCAG) and web performance optimisation Services offered by Computappoint Limited are those of an Employment Business and/or Employment Agency in relation More ❯

Produce high quality increments to the team's model library - working both individually and collaboratively. Providing leadership in areas such as object modelling & interface design, automated testing & refactoring and performance optimisation. Provide support to Trading & Origination on model usage and behaviour. Leverage the teams cross-asset expertise to connect business locations, helping to identify synergies and increase efficiency. Here More ❯

protocols and best practices Proven experience in logging systems (e.g. ELK stack ) Proven experience in monitoring systems (e.g. Prometheus ) Proven experience in tracing systems (e.g. OpenTelemetry , Jaeger) Experience in performance optimization and resource management Relevant certifications (AWS, Google) Understanding of Agile methodologies Ability to diagnose and resolve service- affecting issues in a Broadcast/Livestream environment Pro- active attitude More ❯

building robust data extraction, transformation, and analysis pipelines. Hands-on experience with big data processing frameworks such as Apache Spark, Databricks, or Snowflake, with a focus on scalability and performance optimization. PREFERRED QUALIFICATIONS: Solid understanding of cloud infrastructure, particularly AWS, with practical experience using Docker, Kubernetes, and implementing CI/CD pipelines for data workflows. Familiarity with graph databases More ❯

testing platform , working closely with structurers and front office stakeholders. The position offers direct business interaction, exposure to real-world trading problems, and the opportunity to build robust, high-performance solutions in a dynamic environment. Responsibilities Develop and enhance Python-based models for: Historical index back-testing Daily pricing and index level generation Weighting and rebalancing logic Basket decomposition … with Flask or FastAPI for API development. Proficiency in time-series data manipulation and back-testing methods. Experience working with large datasets and real-time data pipelines . Strong performance optimisation and debugging skills. Confident communicator with the ability to liaise directly with business stakeholders. Desirable Skills Experience in commodities indices, structured products, or index engineering . Knowledge More ❯

Strong proficiency in Pandas , NumPy , and time-series data manipulation Proven experience with FastAPI or Flask Familiarity with large datasets and real-time data pipelines Excellent debugging, profiling, and performance optimization skills Strong communication skills and ability to work with non-technical stakeholders Preferred Skills Experience with commodities indices or structured products Knowledge of market data platforms (e.g., Bloomberg More ❯

Sporting Solutions is a product led, technology-driven company that sources, generates, and distributes real-time sports betting data. Our systems operate under tight performance demands: low latency, high throughput, and ongoing reliability. We're working to continually improve our platforms and are evolving our infrastructure and applications - including moving from legacy .NET Framework systems toward modern, containerised .NET … Leading through example and building Proof-of-Concept solutions to demonstrate improved practices will be key. You'll work at the intersection of software architecture, DevOps strategy, and high-performance infrastructure, driving forward our modernization efforts and improving how we build, deploy, monitor, and scale our systems. What You'll Do Define and shape our DevOps vision , working closely … and infrastructure-as-code. Drive improvements in telemetry and observability , helping us move from log-centric metrics to first-class telemetry using OpenTelemetry and modern observability stacks. Optimise for performance , helping the platform scale for low-latency, high-throughput demands in real-time sports data delivery. Mentor and guide engineers , promoting a strong DevOps culture and fostering collaboration across More ❯

Create comprehensive data visualizations and reports using Power BI Implement Dataverse solutions for data management and integration Develop and maintain connectors for third-party system integrations Ensure solution scalability, performance optimization, and security compliance Solution Architecture Analyze business processes and identify automation opportunities Design end-to-end Power Platform solutions aligned with enterprise architecture Create technical documentation, solution blueprints More ❯

established solutions set the standard a decade ago. Principal Duties and Responsibilities: Linux OS Development: Design, develop, and maintain Linux-based operating systems with a strong emphasis on security, performance, and reliability. System & Security Engineering: Work with Linux distributions, kernel-level components, and networking functionality, applying modern security principles to harden systems against evolving threats. Innovation & Problem-Solving: Investigate … Science, Engineering, or another STEM discipline. Strong problem-solving ability with an innovative and independent mindset. Effective communication and teamwork skills. Desirable: C programming skills for low-level or performance-critical development. Experience with containerisation (Docker, Kubernetes). Familiarity with endpoint security, intrusion detection, or system hardening. Contributions to Linux or open-source projects. Experience with debugging, profiling, or … performance optimisation tools. Why Join Us Shape the future of secure endpoint technology. Work on high-impact projects for global, high-profile clients. Collaborate with a team of experts pushing the boundaries of Linux, networking, and security. Competitive compensation and strong opportunities for professional growth. Package & discretionary benefits: 25 days annual leave plus an additional 2 days after More ❯

established solutions set the standard a decade ago. Principal Duties and Responsibilities: Linux OS Development: Design, develop, and maintain Linux-based operating systems with a strong emphasis on security, performance, and reliability. System & Security Engineering: Work with Linux distributions, kernel-level components, and networking functionality, applying modern security principles to harden systems against evolving threats. Innovation & Problem-Solving: Investigate … Science, Engineering, or another STEM discipline. Strong problem-solving ability with an innovative and independent mindset. Effective communication and teamwork skills. Desirable: C programming skills for low-level or performance-critical development. Experience with containerisation (Docker, Kubernetes). Familiarity with endpoint security, intrusion detection, or system hardening. Contributions to Linux or open-source projects. Experience with debugging, profiling, or … performance optimisation tools. Why Join Us Shape the future of secure endpoint technology. Work on high-impact projects for global, high-profile clients. Collaborate with a team of experts pushing the boundaries of Linux, networking, and security. Competitive compensation and strong opportunities for professional growth. Package & discretionary benefits: 25 days annual leave plus an additional 2 days after More ❯

and executive-level reporting. * Cross-Functional Collaboration: Work closely with Product, Commercialisation, Regional Teams, and other internal stakeholders to ensure partnership initiatives align with market needs and strategic priorities. * Performance Optimisation: Drive continuous improvement in partner performance, identifying new growth opportunities and ensuring delivery against KPIs. * Market Intelligence & Opportunity Identification: Maintain a strong understanding of market dynamics More ❯

telemetry tracking. Essential Skills & Experience: Proficiency in workflow automation tools, including the creation of custom logic and complex process flows Deep understanding of Microsoft SQL Server, including schema design, performance optimisation, and indexing strategies Experience working with low-code or no-code platforms Strong knowledge of RESTful APIs, both in terms of consumption and middleware-based integration Familiarity … with various testing strategies, including: Unit testing Integration and API testing Full end-to-end testing Load and performance testing Automated regression testing using test suites Practical experience with testing tools and frameworks such as Postman and CI/CD pipelines Experience designing for high availability using clustering, geo-redundancy, and load balancing Expertise in fault tolerance, including the … workflows incorporating detailed orchestration and exception handling Connect and synchronise disparate applications using RESTful APIs and integration middleware to ensure secure, reliable communication Establish automated testing layers (unit, integration, performance, and regression) as part of CI/CD practices Design systems with a focus on uptime and resilience by embedding intelligent retry logic and failover capabilities within scalable containerised More ❯

hosted open source services exclusively. We strive towards a strong code-first, data as a product mindset at all times, where testing and reliability with a keen eye on performance is a non-negotiable. JOB SUMMARY A Senior Data Engineer, has the primary role of designing, building, and maintaining scalable data pipelines and infrastructure to support data-intensive applications … services for data storage, processing, and analytics. Data Quality and Governance: Implement and oversee data governance, quality, and security measures. Monitoring, Optimization and Troubleshooting: Monitor data pipelines and infrastructure performance, identify bottlenecks and optimize for scalability, reliability, and cost-efficiency. Troubleshoot and fix data-related issues. DevOps: Build and maintain basic CI/CD pipelines, commit code to version … and DevOps. Mentoring: Mentor and guide junior and mid-level data engineers. Technology Selection: Evaluate and recommend technologies, frameworks, and tools that best suit project requirements and architecture goals. Performance Optimization: Optimize software performance, scalability, and efficiency through architectural design decisions and performance tuning. QUALIFICATIONS Proven experience as a Senior Data Engineer, or in a similar role More ❯

.Net with a heavy focus on the front end. The work will be split 50/50 between Angular V18 and .Net. Experience/Skills: Angular - version 18+ (RxJs, performance optimisation, design patterns) .Net V8/C# Azure DevOps Azure experience (Functions, DevOps, Databricks, Data Factory) Industry experience within financial services Highly Desirable experience with AI/ML More ❯

front-office trading environments). Solid understanding of market data, eFX, or time-series data. Experience building dashboards, reporting tools, or data visualisations. Knowledge of distributed systems, resiliency, and performance optimisation. Proficiency in at least one other programming language (e.g., Python, Java, C++) is desirable. Strong problem-solving and analytical skills, with the ability to work under pressure in More ❯

maintain technical documentation, user guides, and training materials. Support business users by creating UAT scripts and facilitating testing. Ensure effective use of MS SQL, including data management, reporting, and performance optimisation. Work collaboratively in an Agile project delivery environment, contributing to sprints and system improvements. Deliver excellent customer service to internal stakeholders, providing clear communication and timely issue resolution. More ❯

and reporting issues Key Experience ·Proven experience in reporting development, including strong SQL skills and advanced knowledge of Power BI. ·A solid understanding of relational databases, data architecture, and performance optimisation. ·Experience managing or mentoring technical teams, ideally in an Agile environment. ·Strong communication and stakeholder management skills, with the ability to simplify complex technical topics for a non More ❯

where you'll work directly with Quants and Traders to engineer ultra-low-latency trading systems . You'll combine advanced Java engineering with strategic input into platform architecture, optimisation, and scalability -delivering business-critical solutions used daily in electronic trading. What You'll Be Working On Designing and building low-latency, multi-threaded Java applications for market making … Developing and optimising pricing algorithms, order management, and execution logic . Engineering algo containers and ultra-low-latency applications using TCP/IP, UDP, and GC tuning. Driving automation, performance optimisation, scalability, and resilience across platforms. Leading complex technical initiatives across multiple feature teams. Partnering closely with front-office stakeholders to deliver impactful trading technology. What We're … Looking For Deep expertise in Java with proven experience in ultra-low-latency, high-performance systems . Strong background in electronic trading (ideally eFX) with pricing engines, algos, or order management systems. Skilled in multi-threading, GC tuning, TCP/UDP protocols , and performance optimisation. Experience with test-driven development, automation frameworks , and Agile/DevOps. Ability to More ❯

where you'll work directly with Quants and Traders to engineer ultra-low-latency trading systems . You'll combine advanced Java engineering with strategic input into platform architecture, optimisation, and scalability -delivering business-critical solutions used daily in electronic trading. What You'll Be Working On Designing and building low-latency, multi-threaded Java applications for market making … Developing and optimising pricing algorithms, order management, and execution logic . Engineering algo containers and ultra-low-latency applications using TCP/IP, UDP, and GC tuning. Driving automation, performance optimisation, scalability, and resilience across platforms. Leading complex technical initiatives across multiple feature teams. Partnering closely with front-office stakeholders to deliver impactful trading technology. What We're … Looking For Deep expertise in Java with proven experience in ultra-low-latency, high-performance systems . Strong background in electronic trading (ideally eFX) with pricing engines, algos, or order management systems. Skilled in multi-threading, GC tuning, TCP/UDP protocols , and performance optimisation. Experience with test-driven development, automation frameworks , and Agile/DevOps. Ability to More ❯

using Medallion architecture and Azure ServicesCreate conceptual diagrams, source-to-target mapping, and dimensional data modelsGuide the data engineering team on development with ADF, Databricks, Python, JSON, and YAMLImplement performance optimization strategies during data transformationDeploy code artifacts using GitHub Workflows/CI-CD pipelines Collaborate effectively with team members and stakeholdersOptional: Work with Log Analytics and KQL queries Must More ❯

optimization opportunities.Produce daily health reports and database monitoring alerts. Required Skills & Experience Strong hands-on knowledge of Snowflake and SQL Server (including SSIS).Experience in ETL, data migration, and performance optimization .Familiarity with Oracle, Kafka, ODI, and Azure SQL DB .Proven ability in incident, problem, and change management .Good understanding of data governance, security, and auditing frameworks .Exposure to More ❯

Define and evolve event-driven architectures and messaging strategies to power automation and connectivity across the enterprise. Provide technical leadership for large-scale, complex applications - from conceptual design to performance optimisation. Influence strategic decisions across cloud-native , SaaS , and on-premises environments. Collaborate with senior stakeholders, delivery teams, and other architects to ensure alignment with business objectives. Support proof More ❯