Permanent Performance Optimisation Jobs in London

1 to 25 of 65 Permanent Performance Optimisation Jobs in London

Principal Data Engineer

London, United Kingdom
Iwoca
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

London, United Kingdom
London Stock Exchange Group
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Engineer - AWS

London, South East, England, United Kingdom
Robert Walters
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 ❯
Employment Type: Full-Time
Salary: £80,000 - £90,000 per annum
Posted:

Full Stack Software Developer

City of London, London, England, United Kingdom
Computappoint
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 ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Senior Quantitative Developer

Hayes, London, United Kingdom
Centrica - CHP
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 ❯
Employment Type: Permanent
Posted:

Cloud Engineering Team Lead

London, United Kingdom
Hybrid / WFH Options
Sky
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer, Data

London, United Kingdom
Integer, LLC
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principle Engineer Sporting Solutions Sporting Solutions London

London, United Kingdom
Hybrid / WFH Options
Betsson AB
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

MS Power Platform Engineer

City of London, London, United Kingdom
Espire Infolabs Limited
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 ❯
Employment Type: Permanent
Posted:

Senior Linux Systems Engineer

London, United Kingdom
Hybrid / WFH Options
Becrypt
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 ❯
Employment Type: Permanent, Work From Home
Posted:

Senior Linux Systems Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Career poster
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 ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Global Partnership Manager

london, south east england, united kingdom
Mastercard
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 ❯
Posted:

Integration Developer

City of London, London, United Kingdom
Develop
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 ❯
Employment Type: Permanent
Salary: £70,000
Posted:

Senior Data Engineer

London, United Kingdom
Sandtech
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Business Intelligence Development Manager

Wimbledon, Nottingham, Nottinghamshire, United Kingdom
Hybrid / WFH Options
Datatech
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 ❯
Employment Type: Permanent
Salary: £60000 - £70000/annum
Posted:

Senior Java Technical Lead - Low Latency E-Trading (eFX)

London, United Kingdom
Hybrid / WFH Options
McGregor Boyall Associates Limited
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 ❯
Employment Type: Permanent, Work From Home
Posted:

Senior Java Technical Lead - Low Latency E-Trading eFX

London, South East, England, United Kingdom
Hybrid / WFH Options
McGregor Boyall
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 ❯
Employment Type: Full-Time
Salary: £150,000 - £180,000 per annum
Posted:

Technology Architect - Data Engineering

London, United Kingdom
N Consulting Limited
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Snowflake & SQL Server Developer

London, United Kingdom
N Consulting Limited
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Architect - API

London, South East, England, United Kingdom
Hybrid / WFH Options
Proactive Appointments
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 ❯
Employment Type: Full-Time
Salary: £90,000 - £110,000 per annum
Posted:

React Developer - Fixed Income eTrading

London, United Kingdom
Vertus Partners
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 Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI design Experience with real-time data technologies More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Digital Advisory (Performance Insights) - Senior Consultant

London, United Kingdom
Poutrix
With the power of many curious minds, together we can solve the world's most complex challenges and deliver more impact together. Role description: We are looking for a Performance Insights Consultant to join Arcadis' Business Advisory team. You will play a key role in shaping and delivering high-impact, data-led transformation projects across our Mobility, Places, and … delivery, you will engage with mentors, team leaders, and line managers to support your career development, wellbeing, and progression within Arcadis. In Management Consultancy, you'll enhance our clients' performance by developing asset strategies and plans, and delivering them using information, technology, and behavioural change capabilities. Role accountabilities: Lead and deliver client-facing workstreams within transformation programmes Apply Arcadis … 5D Framework (Diagnose, Design, Deploy, Drive, Demonstrate) to structure and deliver impactful outcomes Generate actionable insights across cost, performance, risk, and operational effectiveness Develop and implement scalable reporting and benchmarking solutions Leverage expertise in business intelligence, advanced analytics, and data storytelling to drive client value Embed modern analytics tools and approaches into client programmes to enable sustainable improvements Collaborate More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Building Performance - RCC Operative

London, United Kingdom
BGIS
the Remote Command Centre (RCC) The BGIS Remote Command Centre (RCC) is a technology-driven hub that leverages advanced analytics, real-time monitoring, and expert interventions to optimise building performance remotely. By utilising a team of subject matter experts, the RCC reduces operational costs, improves energy efficiency, enhances occupant comfort, and supports clients in achieving sustainability goals. Key RCC … risks Support for IoT mobilisation and smart building technologies Continuous improvement through data-driven insights Purpose of Job The RCC Operative is responsible for the proactive monitoring and remote optimisation of building systems. Using real-time data from Building Management Systems (BMS), Fault Detection & Diagnostics (FDD) platforms, and IoT telemetry, the RCC Operative identifies inefficiencies, executes first-line interventions … raised by the RCC, actions taken, and closures achieved. Quantify the impact of RCC interventions, such as response time, resolution time, first-time fix rate, energy savings, improved system performance, or reduced operational risk. Track and communicate trends in recurring issues to support root cause analysis and continuous improvement. Contribute to monthly/quarterly client reports highlighting RCC performance More ❯
Employment Type: Permanent
Posted:

Head of Engineering (Hands on)- London Hybrid

London, United Kingdom
Hybrid / WFH Options
Develop
API, and CSS frameworks . Integrate emerging tech : Incorporate AI/ML APIs, LLM-driven features, and automation tooling into our products. Design for scale : Lead on API design, performance optimisation, and secure, cloud-ready architectures. Build the team : Recruit, mentor, and grow high-performing engineers while raising the quality bar. Collaborate : Translate product goals into clear technical More ❯
Employment Type: Permanent, Work From Home
Posted:

Azure AI Data Engineer

City of London, London, United Kingdom
Huxley Associates
batch data flows to support AI-driven applications. Collaborating with AI engineers to ensure data readiness for model training and inference. Driving best practices in data governance, security, and performance optimisation. What We're Looking For Strong experience with Azure cloud services, especially Data Factory, Synapse, Databricks, and Azure Functions. Proficiency in Python, SQL, and data transformation techniques. Experience More ❯
Employment Type: Permanent
Salary: £95,000
Posted:
Performance Optimisation
London
10th Percentile
£67,500
25th Percentile
£75,000
Median
£85,000
75th Percentile
£114,375
90th Percentile
£126,250