51 to 75 of 91 Performance Optimisation Jobs in Wales

infrastructure in the space. What you’ll work on: Ultra-low latency trading systems Building and maintaining exchange connectivity across global venues Systems-level performance optimisation and tuning Working closely with Quant Researchers to support live trading What they’re looking for: Strong engineering skills in Rust (or … C++ with a genuine interest in Rust) Deep understanding of low-level systems and performance-critical environments Experience in HFT, trading infrastructure, or latency-sensitive systems A collaborative mindset – you’ll be working with both quants and fellow engineers daily The setup: Remote-first within Europe London preferred Highly More ❯

infrastructure in the space. What you’ll work on: Ultra-low latency trading systems Building and maintaining exchange connectivity across global venues Systems-level performance optimisation and tuning Working closely with Quant Researchers to support live trading What they’re looking for: Strong engineering skills in Rust (or … C++ with a genuine interest in Rust) Deep understanding of low-level systems and performance-critical environments Experience in HFT, trading infrastructure, or latency-sensitive systems A collaborative mindset – you’ll be working with both quants and fellow engineers daily The setup: Remote-first within Europe London preferred Highly More ❯

Stack Software Developer - for an exciting cutting edge Technology company in Cardiff. The Opportunity: You will play a critical role in ensuring the continued performance, security, and scalability of the platform, and you'll own the system’s evolution, from bug fixes and feature development to proactively identifying innovations … operational and leadership teams to translate business requirements into system developments. Key Responsibilities: System Maintenance and Enhancement: ● Manage day-to-day technical support and performance optimisation. ● Deliver enhancements and improvements from a prioritised backlog. ● Execute system upgrades to maintain compliance and address vulnerabilities. Risk Mitigation: ● Implement and maintain robust More ❯

Stack Software Developer - for an exciting cutting edge Technology company in Cardiff. The Opportunity: You will play a critical role in ensuring the continued performance, security, and scalability of the platform, and you'll own the system’s evolution, from bug fixes and feature development to proactively identifying innovations … operational and leadership teams to translate business requirements into system developments. Key Responsibilities: System Maintenance and Enhancement: ● Manage day-to-day technical support and performance optimisation. ● Deliver enhancements and improvements from a prioritised backlog. ● Execute system upgrades to maintain compliance and address vulnerabilities. Risk Mitigation: ● Implement and maintain robust More ❯

Design scalable microservices, APIs, and distributed backend systems that power learning and analytics tools used globally. Guide architectural decisions across data modeling, service boundaries, performance optimization, and system security. Drive DevOps, CI/CD, and infrastructure-as-code best practices (AWS-focused). Collaborate across teams to align engineering … including microservices, event-driven systems, and API-first platforms. Strong knowledge of MySQL (or similar RDBMS) with raw SQL tuning and schema design for performance at scale. Experience building or integrating analytics/reporting systems — understanding of data pipelines, warehousing, or BI tools is a plus. Hands-on experience More ❯

Design scalable microservices, APIs, and distributed backend systems that power learning and analytics tools used globally. Guide architectural decisions across data modeling, service boundaries, performance optimization, and system security. Drive DevOps, CI/CD, and infrastructure-as-code best practices (AWS-focused). Collaborate across teams to align engineering … including microservices, event-driven systems, and API-first platforms. Strong knowledge of MySQL (or similar RDBMS) with raw SQL tuning and schema design for performance at scale. Experience building or integrating analytics/reporting systems — understanding of data pipelines, warehousing, or BI tools is a plus. Hands-on experience More ❯

deep experience in both legacy and modern technology stacks. Key Responsibilities Software Engineering Leadership Set and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development — from requirements, technical design, development, testing, deployment, to post-release monitoring and maintenance. … cloud-native applications and services using Microsoft Azure , including Azure Functions, LogicApps, and container-based services. Drive cost-effective use of cloud services and performance optimization across environments. Ensure cloud architectures support observability, fault tolerance, and high availability. Guide the engineering team in data modelling, data access patterns, and … software and infrastructure meet organizational security and compliance requirements (e.g., GDPR, ISO 27001, OWASP Top 10). Team Management & Culture Build and scale high-performance engineering teams, including backend, frontend, full-stack, data, and security engineers. Define and track KPIs for engineering productivity, quality, and performance. Promote an engineering More ❯

deep experience in both legacy and modern technology stacks. Key Responsibilities Software Engineering Leadership Set and own the technical roadmap, ensuring architectural scalability, security, performance, and maintainability of all software systems. Oversee full lifecycle software development — from requirements, technical design, development, testing, deployment, to post-release monitoring and maintenance. … cloud-native applications and services using Microsoft Azure , including Azure Functions, LogicApps, and container-based services. Drive cost-effective use of cloud services and performance optimization across environments. Ensure cloud architectures support observability, fault tolerance, and high availability. Guide the engineering team in data modelling, data access patterns, and … software and infrastructure meet organizational security and compliance requirements (e.g., GDPR, ISO 27001, OWASP Top 10). Team Management & Culture Build and scale high-performance engineering teams, including backend, frontend, full-stack, data, and security engineers. Define and track KPIs for engineering productivity, quality, and performance. Promote an engineering More ❯

and maintain scalable SaaS infrastructure on AWS. Drive the technical strategy to scale the platform as user demand grows, making informed decisions on infrastructure, performance optimisations, and system design. Collaborate with senior leadership, sales, and operations teams to translate business requirements into technical solutions, ensuring alignment with commercial goals. … in line with Cyber Essentials Plus and ISO27001. Mentor and guide the technical team, fostering a culture of innovation, continuous learning, and accountability. Analyse performance metrics and make data-driven decisions to improve platform performance, stability, and cost-efficiency. Engage with stakeholders (internal and external) to communicate technical More ❯

take charge of our SAP estate and keep it running like clockwork. You'll take the lead on everything from upgrades and patches to performance tuning and system support, making sure everything works just as it should. It's a hands-on role where your expertise will help prevent … Portal are stable, secure, and high-performing. Manage system upgrades, patches, installations, and technical configurations across a NetWeaver 7.5 environment. Monitor system health, troubleshoot performance issues, and fine-tune databases and infrastructure. Support backup, disaster recovery, and high availability planning. Handle daily system checks, incident resolution, and proactive issue … supporting SAP CRM 7.0, SRM 7.0, EP 7.5, BI 7.5, PO 7.5, and Fiori applications. Confident in database monitoring, parameter tuning, system backups, and performance optimisation. Exposure to scripting (Python, Shell), SQL, and administering 3-tier application environments. Comfortable providing 1st and 2nd line SAP support and working with More ❯

take charge of our SAP estate and keep it running like clockwork. You’ll take the lead on everything from upgrades and patches to performance tuning and system support, making sure everything works just as it should. It’s a hands-on role where your expertise will help prevent … Portal are stable, secure, and high-performing. Manage system upgrades, patches, installations, and technical configurations across a NetWeaver 7.5 environment. Monitor system health, troubleshoot performance issues, and fine-tune databases and infrastructure. Support backup, disaster recovery, and high availability planning. Handle daily system checks, incident resolution, and proactive issue … supporting SAP CRM 7.0, SRM 7.0, EP 7.5, BI 7.5, PO 7.5, and Fiori applications. Confident in database monitoring, parameter tuning, system backups, and performance optimisation. Exposure to scripting (Python, Shell), SQL, and administering 3-tier application environments. Comfortable providing 1st and 2nd line SAP support and working with More ❯

across EMEA markets. They focus on designing proprietary execution algorithms, building model-based trading logic, and developing analytics tools that power decision-making and performance optimization. This team plays a central role in ensuring the firm remains competitive in modern electronic markets by integrating quantitative techniques and high-performance … design Candidate Requirements Minimum 5 years of experience in front-office electronic trading development Strong hands-on experience with Java in low-latency, high-performance environments Background in cash equities or similar fast-paced asset classes Experience with algorithmic trading systems or smart order routing (highly preferred) Quantitative skillset More ❯

across EMEA markets. They focus on designing proprietary execution algorithms, building model-based trading logic, and developing analytics tools that power decision-making and performance optimization. This team plays a central role in ensuring the firm remains competitive in modern electronic markets by integrating quantitative techniques and high-performance … design Candidate Requirements Minimum 5 years of experience in front-office electronic trading development Strong hands-on experience with Java in low-latency, high-performance environments Background in cash equities or similar fast-paced asset classes Experience with algorithmic trading systems or smart order routing (highly preferred) Quantitative skillset More ❯

role will focus on AWS-native services (Connect, Data, Integration), enterprise platforms (Pega, Contact Center), and the underlying infrastructure, ensuring end-to-end visibility, performance optimization, and proactive incident response. Key Responsibilities: Design and implement observability pipelines using AWS-native and third-party tools. Define telemetry standards (metrics, logs … dashboards. Implement observability for AWS Connect (contact flows, agent metrics, call quality). Monitor AWS Data Services (Glue, Redshift, Athena, S3, Lake Formation) for performance, throughput, and data lineage. Integrate AWS Integration Services (API Gateway, EventBridge, Step Functions, Lambda) with distributed tracing and structured logging. Deploy and manage observability … and IaC (Terraform, CloudFormation). Experience with monitoring enterprise platforms like Pega and Contact Center systems. Solid understanding of distributed systems, networking, and application performance tuning. #J-18808-Ljbffr More ❯

a strong focus on game logic. Collaborate with front-end engineers, game designers, and mathematicians to deliver fully integrated, high-performing gameplay features. Optimise performance and scalability to support high user loads. Write clean, testable code and contribute to CI/CD workflows. Stay informed on industry trends and … building game logic or high-throughput backend services. Understanding of probability and statistics as applied to game mechanics. Familiarity with secure server development and performance optimisation. Excellent communication skills and ability to work independently in a remote-first environment. Git for version control Docker and containerisation workflows Google Cloud More ❯

a strong focus on game logic. Collaborate with front-end engineers, game designers, and mathematicians to deliver fully integrated, high-performing gameplay features. Optimise performance and scalability to support high user loads. Write clean, testable code and contribute to CI/CD workflows. Stay informed on industry trends and … building game logic or high-throughput backend services. Understanding of probability and statistics as applied to game mechanics. Familiarity with secure server development and performance optimisation. Excellent communication skills and ability to work independently in a remote-first environment. Git for version control Docker and containerisation workflows Google Cloud More ❯

and backend engineers to define and deliver impactful features. Code Quality: Ensure code quality through code reviews, unit testing, and adherence to best practices. Performance Optimization: Identify and address performance bottlenecks to ensure a seamless user experience. Continuous Improvement: Stay updated with the latest industry trends and technologies More ❯

and backend engineers to define and deliver impactful features. Code Quality: Ensure code quality through code reviews, unit testing, and adherence to best practices. Performance Optimization: Identify and address performance bottlenecks to ensure a seamless user experience. Continuous Improvement: Stay updated with the latest industry trends and technologies More ❯

regulatory reporting – all while keeping partner and customer experience top of mind. What You’ll Be Working On: Develop next-generation scalable, flexible, high-performance systems Own and enhance microservices powering risk identification and compliance tooling Design and improve screening/monitoring systems for customer and partner data Collaborate … cross-functionally with compliance, product, and engineering teams Build analytics and reporting tools for internal compliance officers Drive engineering best practices, system performance, and service reliability Contribute to team growth through code reviews, mentoring, and hiring efforts What We’re Looking For: 3+ years of software engineering experience, with … Hadoop, or Cassandra Experience working with AWS services (RDS, EC2, Step Functions, Kinesis) is a plus Strong background in testing, KPIs/SLOs, and performance optimization Prior exposure to compliance, fintech, or risk-based systems is a bonus Understanding of secure systems (authentication/authorization) is highly desirable Comfortable More ❯

regulatory reporting – all while keeping partner and customer experience top of mind. What You’ll Be Working On: Develop next-generation scalable, flexible, high-performance systems Own and enhance microservices powering risk identification and compliance tooling Design and improve screening/monitoring systems for customer and partner data Collaborate … cross-functionally with compliance, product, and engineering teams Build analytics and reporting tools for internal compliance officers Drive engineering best practices, system performance, and service reliability Contribute to team growth through code reviews, mentoring, and hiring efforts What We’re Looking For: 3+ years of software engineering experience, with … Hadoop, or Cassandra Experience working with AWS services (RDS, EC2, Step Functions, Kinesis) is a plus Strong background in testing, KPIs/SLOs, and performance optimization Prior exposure to compliance, fintech, or risk-based systems is a bonus Understanding of secure systems (authentication/authorization) is highly desirable Comfortable More ❯

ZAP, etc. Strong knowledge of database management systems (DBMS) such as MySQL Hands-on experience with security and compliance frameworks and standards. Knowledge of performance optimization techniques for mobile applications, including memory, CPU and network efficiency. Excellent problem-solving and analytical skills. Strong collaboration and communication skills, with the … in Agile methodologies and using project management tools like JIRA and confluence. Knowledge of Software Assurance programs Responsibilities: Architect and develop a secure, high-performance platform to ingest, parse, and analyze large volumes of API data stored in a MySQL database. Work closely with internal and client teams to More ❯

ZAP, etc. Strong knowledge of database management systems (DBMS) such as MySQL Hands-on experience with security and compliance frameworks and standards. Knowledge of performance optimization techniques for mobile applications, including memory, CPU and network efficiency. Excellent problem-solving and analytical skills. Strong collaboration and communication skills, with the … in Agile methodologies and using project management tools like JIRA and confluence. Knowledge of Software Assurance programs Responsibilities: Architect and develop a secure, high-performance platform to ingest, parse, and analyze large volumes of API data stored in a MySQL database. Work closely with internal and client teams to More ❯

multi-component systems, including integrations with portals and third-party vendors. Strong expertise in Cloud architecture, technologies, and best practices. In-depth knowledge of performance optimization, security, system integration, development processes, and cloud-based delivery. Ability to balance big-picture architecture with detailed system design. Excellent communication and presentation … senior stakeholders and align solutions with both functional and non-functional requirements. Hands-on experience with web services, ETL processes, design patterns, security analysis, performance optimization, database systems, and problem-solving. Qualifications Experience in Development, DevOps, or Information Security. Industry certifications in Cloud Architecture, Security, or related fields. Exposure More ❯

multi-component systems, including integrations with portals and third-party vendors. Strong expertise in Cloud architecture, technologies, and best practices. In-depth knowledge of performance optimization, security, system integration, development processes, and cloud-based delivery. Ability to balance big-picture architecture with detailed system design. Excellent communication and presentation … senior stakeholders and align solutions with both functional and non-functional requirements. Hands-on experience with web services, ETL processes, design patterns, security analysis, performance optimization, database systems, and problem-solving. Preferred Qualifications Experience in Development, DevOps, or Information Security. Industry certifications in Cloud Architecture, Security, or related fields. More ❯

deliver using practices that align with your preferred ways of working. Data Driven: Utilise rich logs, metrics, and data to monitor and improve system performance & reliability. Culture: Enhancing a diverse engineering culture by taking part in various technical catch ups, working groups and All Hands. Experience: Enrich RVU's … a strong appreciation of A/B Testing, Monitoring and DevOps principles. Solid understanding of mobile app development principles, including UI/UX design, performance optimization/monitoring, capturing analytics and security best practices. A breadth of knowledge and experience with native app development using all aspects of software More ❯