1 to 25 of 73 Permanent Performance Optimisation Jobs in the Thames Valley

backend and middleware development. Experience with React for building modern, scalable web applications. Experience using version control systems (e.g., GitHub or similar). Understanding of SEO principles and web performance optimisation. Excellent verbal and written communication skills. Strong eye for UX/UI design and website aesthetics. Collaborative attitude with the ability to build rapport across teams. Eagerness to More ❯

Design and build RESTful API endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect and maintain integrations with external … Proven track record of leading development teams and managing large-scale projects. Database Expertise: In-depth experience with PostgreSQL/SQL, including design of complex schemas, writing queries and performance optimisation. Security & Performance: Deep understanding of application security best practices, performance tuning, and scalable architecture. Problem-Solving: Ability to troubleshoot complex technical issues, with a proactive and … well-being, and continuous growth, ensuring that you have the support and resources to excel both professionally and personally. Competitive Salary: £50,000 - £65,000 per year, with potential performance-based increases. Performance Bonus: Up to 10% annual bonus. Generous Holiday Allowance: 27 days holiday plus bank holidays. Health Insurance: Private health insurance including dental care, vision, and More ❯

reviewed until WC 3rd November We’re partnering with a global investment bank to hire an exceptional Software Engineer to join a flagship team delivering a next-generation, high-performance derivatives risk platform . This is a mission-critical front-office role working on real-time distributed systems with exceptional technical standards. You’ll be part of a high … Python or Java , ideally with working knowledge of another. Rust very desirable Proven experience designing and developing complex, distributed, real-time systems . Deep understanding of software architecture, concurrency, performance optimisation , and system reliability . Demonstrable front-end engineering experience using JavaScript, TypeScript, Angular or React Familiarity with containerisation (Kubernetes, Docker) and modern DevOps practices . Experience in More ❯

scenario analysis for high-volume, data-intensive trading activity. As Lead Developer, you will drive the architecture and implementation of a cloud native, microservice based risk framework, ensuring scalability, performance, and accuracy across all risk computations. You will collaborate closely with quantitative developers, traders, and other stakeholders to industrialise models and deliver a best-in-class risk capability. This … based risk infrastructure with high scalability and low latency. Provide hands-on technical leadership and mentorship within a distributed team of engineers across multiple global locations. Drive architectural improvements, performance optimisation, and best engineering practices. Technology Environment Languages: Python Architecture: Cloud-native, containerised microservices (Kubernetes, Docker). Infrastructure: Kafka, Terraform, Jenkins, Git, CI/CD pipelines. Data: SQL More ❯

learning pipelines and systems Develop infrastructure and tooling to enable deployment, monitoring, and retraining of ML models Work across the full AI delivery lifecycle, from architecture and integration to performance optimisation Collaborate with customers and stakeholders to understand operational constraints and align on solution design Mentor junior engineers and shape internal technical standards for software quality, reliability, and More ❯

email: jordanna.ramsey@searchability.com THE OPPORTUNITY A new contract opportunity for an AI Engineer to join a cutting-edge AI Sports company revolutionising how data and machine learning drive athletic performance, fan engagement, and predictive analytics in the sports industry. You’ll be part of a highly skilled R&D team building next-generation AI solutions for real-time insights … performance optimisation, and immersive sports analytics. THE ROLE Design, develop, and deploy AI/ML models focused on sports analytics, predictive modelling, and computer vision. Collaborate with data scientists, software engineers, and sports analysts to translate real-world data into actionable insights. Optimise AI systems for real-time environments, integrating with live data feeds and cloud infrastructure. Research More ❯

marketing to translate user and business requirements into effective technical solutions.- Manage data structures and workflows, ensuring effective segmentation, automation and analytics.- Support operational stability, including incident resolution and performance optimisation.- Provide guidance and mentoring to colleagues, encouraging shared learning and best practice.Candidate ProfileEssential Experience & Skills:- Strong hands-on experience developing within Salesforce Marketing Cloud.- Proficiency in programming and More ❯

marketing to translate user and business requirements into effective technical solutions. - Manage data structures and workflows, ensuring effective segmentation, automation and analytics. - Support operational stability, including incident resolution and performance optimisation. - Provide guidance and mentoring to colleagues, encouraging shared learning and best practice. Candidate Profile Essential Experience & Skills: - Strong hands-on experience developing within Salesforce Marketing Cloud. - Proficiency in More ❯

CloudWatch AWS SDKs, Boto3, and serverless architecture patterns Strong programming skills in Python and Apache Spark Proven experience in Snowflake data engineering, including: Snowflake SQL, Snowpipe, Streams & Tasks, and performance optimization Integration with AWS services and orchestration tools Expertise in data integration patterns, ETL/ELT, and data pipeline orchestration Experience with data quality frameworks, metadata management, and data More ❯

Principal JavaScript Performance Engineer (with C++/Java/C# exposure) Location: London (Hybrid – 2 days WFH) Salary: £150,000 - £200,000 (Permanent)pension, private healthcare, gym membership, 25 days + 8 BH holiday allowance, tech/hardware budget. A high-growth software company is building the gold standard in UI frameworks and data-intensive visualisation technology . With … of what’s possible in the browser — solving problems of scale, speed, and complexity that ordinary web development never touches. What you’ll do Design and optimise a high-performance UI framework used globally in real-time applications. Push the limits of JavaScript, TypeScript, and the browser runtime to handle millions of data points smoothly. Solve deep algorithmic and … and enterprises worldwide. What you’ll bring Mastery of vanilla JavaScript and TypeScript , with additional exposure to C++, Java, or C# . Strong knowledge of data structures, algorithms, and performance optimisation . Experience with frameworks like React, Angular, or Vue , and a deep understanding of DOM internals and rendering pipelines . A systems-level mindset : diagnosing bottlenecks, eliminating More ❯

internal stakeholders, engineering teams, and external technology partners to align designs with business objectives and industry standards. Delivery Deliver scalable and secure 5G/Open RAN solutions that meet performance, reliability, and compliance standards. Provide architecture documentation, design specifications, and technical recommendations to support deployment and operational teams. Ensure integration of multi-vendor components is robust, optimised, and interoperable … across the full RAN stack. Conduct RF planning, system modelling, and performance analysis to optimise coverage, capacity, and quality of service. Translate complex technical designs into practical solutions that enable efficient deployment and long-term maintainability. Role Expertise In-depth knowledge of wireless network architecture, particularly 5G SA, Open RAN, and vRAN/xRAN technologies. Strong expertise in cloud … standardised frameworks. Proficiency in evaluating fronthaul/midhaul/backhaul interfaces, with practical experience in O-RAN Split 7.2x. Hands-on skills in RF planning, propagation modelling, and system performance optimisation using industry-standard tools. Strong problem-solving, stakeholder management, and communication skills, with the ability to lead technical discussions and influence design decisions. Prior experience in advanced More ❯

experience with React and TypeScipt. Experience configuring, deploying, and monitoring applications on Azure. TDD (Test-Driven Development) experience. Comfortable working with relational and NoSQL databases, including complex queries and performance optimization. Solid understanding of web design patterns, including SOLID principles. Experience working in an agile, collaborative environment. Familiarity with automated testing and CI/CD pipelines. The interview process More ❯

the architectural direction, design, and development of complex software systems. This role involves leading high-level projects, making strategic decisions regarding technology stacks, and ensuring the scalability, maintainability, and performance of applications. The Principal Developer works closely with cross-functional teams, including engineering, product, and business stakeholders, to align technical solutions with business objectives. This position performs important team … sources, via ODBC, RESTful API, Message Based Architecture WebDirect Automating tasks via schedules or triggers Security and Permissions: User actions control, AD Integration, Encryption at rest and in transit Performance Optimisation: Optimising larger databases, diagnosing and resolving performance issues FileMaker Server: Deploying to a server environment, managing backups Essential functions of the job Development, Design, Architecture Ensure … where appropriate, distributed and decoupled architectures, utilizing APIs and event- based architectures. Design, develop and maintain robust and scalable applications. Write clean, efficient and well documented code. Optimize system performance, scalability and reliability. Ensure all software is kept within source and version control systems. Lead on deployment of version upgrades, following change management processes. Technical Leadership and Oversight: Innovation More ❯

solutions, including data models, dashboards, and reports Develop datasets, measures (DAX), and visuals to support business insights Maintain data accuracy, integrity, and security within the Power BI environment Optimise performance of reports and dashboards for a seamless user experience Implement Power ON configurations, including workspaces, security, and sharing policies Effort Estimation & Project Delivery Estimate project effort, timeline, and resource … Acceptance Testing) and gather feedback for refinements Client Training & Support Conduct training sessions for end-users to drive adoption of Power ON solutions Provide post-implementation support, troubleshooting, and performance tuning Act as a trusted advisor to clients on Power ON strategies and future enhancements Qualifications Preferred Qualifications & Experience: Bachelor’s or Master’s degree in Mathematics, Computer Science … and Power Apps integration with Power BI Experience with non-Microsoft data sources (Snowflake, Oracle, PostgreSQL, MySQL, Synapse, Big Query) advantageous Row Level Security (Analysis Services, PowerBI.com, SQL Server) Performance optimisation (Partitioning, Understanding of columnar database concept, SQL indexing) Troubleshooting (SQL Profiler or other profiler tools, Tabular Editor, DAX Studio, Power BI datasets, RLS security) Business & Consulting Skills More ❯

improve farm economics, productivity, and environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee end-to-end solution delivery, ensuring … performance, security, and maintainability. Collaborate cross-functionally with data scientists, agronomists, and stakeholders to shape product direction. Own cloud infrastructure strategy and implementation on Microsoft Azure . Lead innovation in sustainability-focused agricultural technology and analytics . Contribute to recruitment and technical assessment (including coding challenge design and review). Candidate Assessment Process Our selection process includes a LeetCode … style technical challenge to evaluate: Algorithmic problem-solving Data structures and computational efficiency Code quality and optimisation under time constraints Ideal Candidate Profile Academic and Professional Background Degree/Masters/PhD in Computer Science, Data Science, or a related discipline Proven experience as a Back-End Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history More ❯

maintain data pipelines for various teams. Produce automated dashboards for Senior Management and teams including Marketing, Business Development, Commercial, and Delivery. Maintain and optimise existing internal data products, including: Performance optimisation of DAX formulas Improved cloud compute usage Addition of actionable insights Conduct independent research and translate technical documentation into practical solutions. Present insights and solutions clearly to More ❯

solutions, with a preference for experience in both relational databases like SQL Server and NoSQL databases like MongoDB or CosmosDB. debugging and troubleshooting skills within the .NET environment, including performance optimization and monitoring. Familiarity with a range of software development tools, such as source code management (e.g. Azure DevOps, Git), build and release management (e.g. Azure DevOps Pipelines) and More ❯

processes, including data warehouse and cloud infrastructure. Experience with multi-dimensional design, star schemas, facts and dimensions. Experience and demonstrated competencies in ETL development techniques. Experience in data warehouse performance optimization. Experience on projects across a variety of industry sectors an advantage, Comprehensive understanding of data management best practices including demonstrated experience with data profiling, sourcing, and cleansing routines More ❯

will lead a team of skilled network engineers, define the enterprise networking roadmap, and collaborate with cross-functional teams — including Security, Infrastructure, and IT Operations — to deliver a high-performance, high-availability network platform that underpins mission-critical business and customer operations. Key Responsibilities Strategic Leadership Define and execute the strategic vision for enterprise and customer network infrastructure across … scalability across the enterprise. Lead continuous improvement initiatives, driving innovation, automation, and standardisation in network design and operations. Architecture, Design & Delivery Oversee the end-to-end design, implementation, and optimisation of LAN, WAN, SD-WAN, VPN, and wireless solutions across all environments. Manage enterprise routing, switching, VLAN segmentation, firewall policies, telephony systems (ISDN/SIP) , and internal/external … internet access. Ensure network resilience through robust backup, redundancy, and disaster recovery mechanisms. Lead network capacity planning, performance optimisation, and technology refresh cycles . Own the full lifecycle of network-related projects , from requirements gathering through to procurement, budgeting, vendor management , and security assessments . Security, Compliance & Governance Partner with Information Security teams to enhance network security posture More ❯

user pain points into small, impactful product enhancements. Collaborate with Support, Product, and Engineering to prevent repeat issues. Build automation to streamline debugging, triage, and regression prevention. Improve system performance, reliability, and developer experience. What You’ll Bring Strong experience with Ruby on Rails , modern JavaScript , and AWS . Skilled with SQL databases at scale and comfortable in Linux … to diagnose and fix complex production issues in large systems. A product mindset — you think about user experience and usability as much as code. Strong debugging, system design, and performance optimisation skills. A data-driven approach: you track and measure impact (e.g. MTTR, bug age). Why You’ll Love This Opportunity... High-impact work: every fix improves More ❯

paced product team delivering impactful mobile experiences to a global user base. What you’ll do Build and maintain robust mobile apps using React Native and Expo Optimise app performance, implement modern architecture patterns, and handle push notifications, offline-first features, and state management Collaborate on backend APIs (REST or GraphQL) and integrate secure authentication methods - JWT, OAuth Deploy … deployment processes Experience with database design (SQL or NoSQL) and backend integrations Proven AWS deployment experience and familiarity with Infrastructure as Code (CDK) Knowledge of monitoring, logging, and application performance optimisation Why Apply? Outside IR35, long-term contract with genuine extension potential High-value project Opportunity to influence software adoption at global scale Flexibility to work remotely within More ❯

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 Expertise in React.js and modern JavaScript (ES6+) Proven experience delivering front-end applications in electronic trading environments Strong understanding of performance optimisation and low-latency UI More ❯

deliver real business value What we’re looking for Strong experience with Python, SQL , and pipeline tools such as dbt or Airflow Proven background in data modelling, warehousing, and performance optimisation Hands-on experience with cloud data services (Glue, Lambda, Synapse, BigQuery, etc.) A consultancy mindset – adaptable, collaborative, and delivery-focused Apply now or contact Bright Purple to More ❯

and audit readiness Skills & Experience Technical Expertise: Extensive experience with Murex MX.3 platform, particularly in integration, configuration, and system architecture Strong knowledge of MXML, including exchange design, customisation, and performance optimisation Proven track record of large-scale Murex migrations, including system decommissioning and data migration Functional & Business Knowledge: Deep understanding of trade lifecycle management across asset classes: FX More ❯

team members. About You: Proven experience with Dataverse/Dynamics 365 plugin development. Experience with Azure integrations (Function Apps, Logic Apps, APIM) Strong understanding of Dataverse architecture, security, and performance optimisation. Experience with Power Platform components, ALM, and CI/CD (Azure DevOps, Git). Relevant Microsoft certifications (PL-400, PL-600, AZ-204) are a plus. Why Join More ❯