76 to 100 of 297 Performance Optimisation Jobs in the South East

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 ❯

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 ❯

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 ❯

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 ❯

across numerous stakeholders and personas Working with cross-functional teams Demonstrated experience building and delivering a product or digital roadmap Ability to define/report on KPIs Post-launch optimisation & continuous improvement Maintaining content guidelines and best practices Strong leadership & interpersonal skills Mentoring and developing teams Familiarity with content delivery across multiple mediums Comfortable in Agile environments Formal Agile … and content strategy initiatives, with a focus on digital procurement systems. Apply strong product management expertise to deliver transformation and optimise user experience. Post-launch, ensure continuous improvement and performance optimisation of the system. Mentor and develop team members to build capability and resilience. Oversee content delivery across multiple formats and channels. Maintain and enforce content guidelines and 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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

ViewModel, LiveData, Room, etc.). Hands on experience integrating with RESTful or GraphQL APIs in production apps. Understanding of UI/UX design principles, testing (JUnit, Espresso), and app performance optimization. Familiarity with CI/CD pipelines, Gradle builds, and debugging tools (Android Studio, Logcat, Profiler). Curiosity and eagerness to grow your skills in large scale, cloud connected More ❯

large-scale data platforms with a focus on ETL, Data Management, and Data Governance Develop and maintain Databricks Delta Live Tables (DLT) pipelines with strong emphasis on cost and performance optimisation Implement and manage structured streaming and real-time data processing solutions. Handle and process high volumes of data efficiently within Databricks Translate business requirements into technical delivery … solutions Lead a technical delivery team of 7–10 members, providing direction, guidance, and support throughout the project lifecycle Ensure best practices are followed in data architecture, governance, and performance tuning Drive continuous improvement in data engineering processes and platform scalability Required Skills & Experience: Proven experience in building multiple large-scale data platforms Deep expertise in Databricks, especially Delta … Live Tables (DLT) and structured streaming Strong understanding of data governance, data modeling, and pipeline orchestration Hands-on experience optimising Databricks workloads for performance and cost Excellent communication and collaboration skills to bridge business and technical teams Prior experience leading data engineering teams or project delivery squads This needs combining with a positive attitude and an ability to work More ❯

large-scale data platforms with a focus on ETL, Data Management, and Data Governance Develop and maintain Databricks Delta Live Tables (DLT) pipelines with strong emphasis on cost and performance optimisation Implement and manage structured streaming and real-time data processing solutions. Handle and process high volumes of data efficiently within Databricks Translate business requirements into technical delivery … solutions Lead a technical delivery team of 7–10 members, providing direction, guidance, and support throughout the project lifecycle Ensure best practices are followed in data architecture, governance, and performance tuning Drive continuous improvement in data engineering processes and platform scalability Required Skills & Experience: Proven experience in building multiple large-scale data platforms Deep expertise in Databricks, especially Delta … Live Tables (DLT) and structured streaming Strong understanding of data governance, data modeling, and pipeline orchestration Hands-on experience optimising Databricks workloads for performance and cost Excellent communication and collaboration skills to bridge business and technical teams Prior experience leading data engineering teams or project delivery squads This needs combining with a positive attitude and an ability to work More ❯

large-scale data platforms with a focus on ETL, Data Management, and Data Governance Develop and maintain Databricks Delta Live Tables (DLT) pipelines with strong emphasis on cost and performance optimisation Implement and manage structured streaming and real-time data processing solutions. Handle and process high volumes of data efficiently within Databricks Translate business requirements into technical delivery … solutions Lead a technical delivery team of 7–10 members, providing direction, guidance, and support throughout the project lifecycle Ensure best practices are followed in data architecture, governance, and performance tuning Drive continuous improvement in data engineering processes and platform scalability Required Skills & Experience: Proven experience in building multiple large-scale data platforms Deep expertise in Databricks, especially Delta … Live Tables (DLT) and structured streaming Strong understanding of data governance, data modeling, and pipeline orchestration Hands-on experience optimising Databricks workloads for performance and cost Excellent communication and collaboration skills to bridge business and technical teams Prior experience leading data engineering teams or project delivery squads This needs combining with a positive attitude and an ability to work More ❯

We are currently supporting a leading research-driven organisation in their search for a Senior Platform Engineer to design, build, and maintain secure, high-performance cloud infrastructure supporting large-scale scientific data platforms. This role offers the chance to apply your engineering expertise in a purpose-driven environment, developing systems that enable cutting-edge data analysis and discovery. Key … or DevSecOps Hands-on experience with Terraform , Kubernetes , and cloud architecture (preferably OCI) Familiarity with high-throughput or data-intensive environments (e.g. scientific research, bioinformatics, analytics) Passion for automation, performance optimisation, and secure system design Location: Oxford, UK (Hybrid) Seniority: Senior-level More ❯

We are currently supporting a leading research-driven organisation in their search for a Senior Platform Engineer to design, build, and maintain secure, high-performance cloud infrastructure supporting large-scale scientific data platforms. This role offers the chance to apply your engineering expertise in a purpose-driven environment, developing systems that enable cutting-edge data analysis and discovery. Key … or DevSecOps Hands-on experience with Terraform , Kubernetes , and cloud architecture (preferably OCI) Familiarity with high-throughput or data-intensive environments (e.g. scientific research, bioinformatics, analytics) Passion for automation, performance optimisation, and secure system design Location: Oxford, UK (Hybrid) Seniority: Senior-level More ❯

ability to write production-grade code Experience with at least one other OOP language (C++, C#, or Java) Background in commodities trading, risk, or pricing Familiarity with numerical libraries, performance optimisation, and clean software design principles Confident working closely with quants and traders in a fast-paced environment More ❯