51 to 75 of 390 Performance Tuning Jobs in England

Up to c. £225k Comp Package | Hybrid Working - 3 Days in Office] Role Overview We’re representing a global trading and digital assets firm at the forefront of high-performance technology and infrastructure innovation. The business is seeking a Site Reliability & Infrastructure Engineer to help design, automate, and scale the systems that underpin its global trading platforms. This role … AWS) and on-prem environments Implement automation across the stack using Infrastructure-as-Code principles (Terraform, Ansible, or similar) Administer and optimise Kubernetes clusters across multiple regions, improving resilience, performance, and visibility Develop tools and scripts in Python or Go to automate monitoring, configuration, and incident response workflows Contribute to on-prem colocation expansion projects, introducing low-latency engineering … practices into the infrastructure Optimise Linux systems for performance and reliability, including kernel tuning and networking configuration Partner with development and platform teams to embed SRE best practices, reducing manual toil through automation and observability Drive improvements in monitoring, alerting, and log collection pipelines to enhance system insight and uptime Participate in architecture and design reviews, guiding platform More ❯

FinTech/Trading Technology Firm] About the Company Our client is a leading provider of advanced technology, liquidity, and execution services within global financial markets. The firm delivers high-performance, low-latency trading infrastructure to institutional clients worldwide, combining deep market expertise with innovative engineering. The Role We are seeking an experienced Senior C++ Developer to join the core … engineering team, responsible for designing, developing, and optimising high-performance trading and pricing systems. Reporting directly to the CTO, you will play a key role in defining the architecture, performance, and reliability of the firm’s next-generation low-latency trading platform. You will collaborate closely with senior developers, architects, and business stakeholders to ensure systems operate at … microsecond-level performance with exceptional scalability and stability in demanding market conditions. Key Responsibilities Design, develop, and maintain high-performance C++ applications for real-time market data processing, pricing, and trade execution. Optimise existing codebases for latency, throughput, and reliability. Contribute to the architecture and design of new low-latency components and APIs. Collaborate with senior engineering leadership More ❯

FinTech/Trading Technology Firm] About the Company Our client is a leading provider of advanced technology, liquidity, and execution services within global financial markets. The firm delivers high-performance, low-latency trading infrastructure to institutional clients worldwide, combining deep market expertise with innovative engineering. The Role We are seeking an experienced Senior C++ Developer to join the core … engineering team, responsible for designing, developing, and optimising high-performance trading and pricing systems. Reporting directly to the CTO, you will play a key role in defining the architecture, performance, and reliability of the firm’s next-generation low-latency trading platform. You will collaborate closely with senior developers, architects, and business stakeholders to ensure systems operate at … microsecond-level performance with exceptional scalability and stability in demanding market conditions. Key Responsibilities Design, develop, and maintain high-performance C++ applications for real-time market data processing, pricing, and trade execution. Optimise existing codebases for latency, throughput, and reliability. Contribute to the architecture and design of new low-latency components and APIs. Collaborate with senior engineering leadership More ❯

operations. What you’ll do Design & build: Develop and maintain backend services and microservices using Java. Collaborate broadly: Work with cross-functional teams to deliver scalable telecom solutions. Optimise performance: Integrate databases, APIs, and ensure efficiency across systems. Harden systems: Implement redundancy, security, and performance tuning for telecom operations. Problem-solve: Troubleshoot challenges in distributed systems and … architectures. Background in distributed systems, OOP, and networking fundamentals. Cloud environment experience (AWS, GCP, etc.), plus Docker/Kubernetes and CI/CD. Proven track record optimising apps for performance, memory, and scalability. SQL/NoSQL database experience, including deployment and integration. Knowledge of messaging systems (Kafka, RabbitMQ, Pub/Sub). Excellent communication and analytical skills. Nice to More ❯

Responsibilities: - Build and maintain scalable ETL pipelines using Python and PySpark to support data ingestion, transformation, and integration - Develop and optimize distributed data workflows on AWS EMR for high-performance processing of large datasets - Design, implement, and tune Snowflake data warehouses to support analytical workloads and reporting needs - Partner with data scientists, analysts, and product teams to deliver reliable … well-documented datasets - Ensure data integrity, consistency, and accuracy across multiple sources and systems - Automate data workflows and processes to improve efficiency and reduce manual intervention - Monitor pipeline performance, identify bottlenecks, and resolve issues proactively - Apply best practices in CI/CD, version control (e.g., Git), and infrastructure-as-code (e.g., Terraform, CloudFormation) - Enforce data security, compliance, and governance … data engineering or software development - Strong proficiency in Python and PySpark - Hands-on experience with AWS services, especially EMR, S3, Lambda, and Glue - Deep understanding of Snowflake architecture and performance tuning - Solid grasp of data modeling, warehousing concepts, and SQL optimization - Familiarity with CI/CD tools (e.g., Jenkins, GitHub Actions) and infrastructure-as-code - Experience with data More ❯

Responsibilities: - Build and maintain scalable ETL pipelines using Python and PySpark to support data ingestion, transformation, and integration - Develop and optimize distributed data workflows on AWS EMR for high-performance processing of large datasets - Design, implement, and tune Snowflake data warehouses to support analytical workloads and reporting needs - Partner with data scientists, analysts, and product teams to deliver reliable … well-documented datasets - Ensure data integrity, consistency, and accuracy across multiple sources and systems - Automate data workflows and processes to improve efficiency and reduce manual intervention - Monitor pipeline performance, identify bottlenecks, and resolve issues proactively - Apply best practices in CI/CD, version control (e.g., Git), and infrastructure-as-code (e.g., Terraform, CloudFormation) - Enforce data security, compliance, and governance … data engineering or software development - Strong proficiency in Python and PySpark - Hands-on experience with AWS services, especially EMR, S3, Lambda, and Glue - Deep understanding of Snowflake architecture and performance tuning - Solid grasp of data modeling, warehousing concepts, and SQL optimization - Familiarity with CI/CD tools (e.g., Jenkins, GitHub Actions) and infrastructure-as-code - Experience with data More ❯

services while driving innovation through automation and continuous improvement. What You'll Do Leadership & Team Management Lead, coach, and develop a high performing Database Administration team. Set clear priorities, performance metrics, and ensure on time, on budget delivery. Foster a culture of innovation, collaboration, and technical excellence. Database Strategy & Operations Oversee cloud native and hybrid database systems to meet … business goals. Direct cloud migration and optimisation strategies, ensuring efficiency and scalability. Manage licensing costs and database system budgets effectively. Performance, Security & Resilience Guarantee database availability, integrity, and compliance with internal and external standards Maintain robust backup, recovery, and disaster recovery plans. Ensure adherence to ISO27001 and internal governance frameworks. Automation & Infrastructure as Code Drive automation and CI/… multi discipline teams. Strong leadership, mentoring, and stakeholder management skills. Strategic thinker with a passion for innovation, automation, and data integrity. Expertise in relational and non relational databases, including performance tuning and optimisation. Solid understanding of database security, modelling, and recovery practices. Excellent problem solving and communication skills. Technical Environment Experience with some of the following would be More ❯

the-box capabilities, integrations, and strategic customizations. Technical Advisory & Governance: Act as a subject matter expert and technical advisor to clients and internal teams, providing guidance on platform capabilities, performance optimization, security, and scalability. Establish technical governance to ensure solution integrity. Requirement Analysis & Solution Design: Collaborate with business stakeholders to gather and analyze complex requirements, translating them into comprehensive … leveraging various integration methods (e.g., REST, SOAP, JDBC, MID Server). Technical Oversight & Quality Assurance: Provide technical oversight to development teams, ensuring adherence to architectural patterns, coding standards, and performance best practices. Participate in code reviews and ensure solution quality. Prototyping & Demonstrations: Lead the creation of technical prototypes and conduct demonstrations of proposed ServiceNow solutions, showcasing platform capabilities and … addressing client requirements. Performance Tuning & Optimization: Identify and address performance bottlenecks, ensuring the scalability and optimal performance of ServiceNow applications. Advanced Scripting & Development: Possess expert-level experience with ServiceNow scripting (Server-side JavaScript, GlideRecord, GlideSystem, UI Policies, Business Rules, Client Scripts, Script Includes) and the development of custom applications. Agile Leadership: Guide agile development teams from More ❯

the-box capabilities, integrations, and strategic customizations. Technical Advisory & Governance: Act as a subject matter expert and technical advisor to clients and internal teams, providing guidance on platform capabilities, performance optimization, security, and scalability. Establish technical governance to ensure solution integrity. Requirement Analysis & Solution Design: Collaborate with business stakeholders to gather and analyze complex requirements, translating them into comprehensive … leveraging various integration methods (e.g., REST, SOAP, JDBC, MID Server). Technical Oversight & Quality Assurance: Provide technical oversight to development teams, ensuring adherence to architectural patterns, coding standards, and performance best practices. Participate in code reviews and ensure solution quality. Prototyping & Demonstrations: Lead the creation of technical prototypes and conduct demonstrations of proposed ServiceNow solutions, showcasing platform capabilities and … addressing client requirements. Performance Tuning & Optimization: Identify and address performance bottlenecks, ensuring the scalability and optimal performance of ServiceNow applications. Advanced Scripting & Development: Possess expert-level experience with ServiceNow scripting (Server-side JavaScript, GlideRecord, GlideSystem, UI Policies, Business Rules, Client Scripts, Script Includes) and the development of custom applications. Agile Leadership: Guide agile development teams from More ❯

/PySpark), and advanced SQL. Productionise Databricks: Lead the development of robust, scalable solutions on Databricks. This is role focused on production code, Delta Lake, Structured Streaming, and Spark performance tuning—not just ad-hoc notebooks. Champion DataOps & CI/CD: Implement and manage CI/CD processes for data pipelines using Azure DevOps. You will be responsible … Manage Data Infrastructure: Configure and optimize the underlying data infrastructure from a data engineering lens. This includes managing Databricks clusters, Spark configurations, and ADLS Gen2 storage to ensure high performance and cost-efficiency. Partner Across the Business: Partner with Data Analysts, Product Managers, and business leaders to translate requirements into technical designs. You will be the expert voice on … and ADLS Gen2. Must-Have Databricks Expertise: Strong, hands-on, commercial experience with production-grade Databricks. You must be someone who lives in code, understands distributed systems, and can performance tune complex Spark jobs. Strong DataOps/CI/CD Experience: A proven background in implementing and managing CI/CD pipelines for data solutions, specifically using Azure DevOps. More ❯

/Hybrid My client are seeking a talented Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an opportunity to work in a fast-paced, intellectually challenging environment where your contributions will have a direct impact on the firm's success. …/Unix environments. Strong communication skills - this is a position where you will liaise with Senior Stakeholders such as PMs, Quants and Traders. Responsibilities: Design, develop, and maintain high-performance trading applications. Performance tuning of state of the art trading systems - optimise code for maximum speed and efficiency, minimising latency. Implement and enhance trading algorithms in collaboration More ❯

/Hybrid My client are seeking a talented Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an opportunity to work in a fast-paced, intellectually challenging environment where your contributions will have a direct impact on the firm's success. …/Unix environments. Strong communication skills - this is a position where you will liaise with Senior Stakeholders such as PMs, Quants and Traders. Responsibilities: Design, develop, and maintain high-performance trading applications. Performance tuning of state of the art trading systems - optimise code for maximum speed and efficiency, minimising latency. Implement and enhance trading algorithms in collaboration More ❯

issues promptly to minimise disruption. Collaborate with various teams to align migration processes with organisational goals and regulatory standards. Required Skills Expert-level SQL skills for complex query development, performance tuning, indexing strategies, and data transformation to enable accurate and efficient migration from on-premises databases (SQL Server, Oracle, MySQL, NoSQL) to AWS cloud. Proven experience in on More ❯

models, and tools supporting trading, pricing, and risk management. Collaborate with quantitative analysts, data scientists, and traders to implement and optimise models in production environments. Build and enhance high-performance systems for data processing, pricing, and simulation. Translate complex mathematical models into robust, efficient, and maintainable code. Ensure system reliability, scalability, and low latency across all components. Participate in … model validation, performance tuning, and version control processes. Stay up to date with advances in quantitative finance, computational techniques, and emerging technologies. Profile Strong programming experience in Python, C++, or C#; knowledge of NumPy, Pandas, and QuantLib advantageous. Solid understanding of mathematics, statistics, and numerical methods - including stochastic calculus, Monte Carlo simulation, and optimisation. Familiarity with derivatives pricing … risk metrics, and financial instruments across asset classes. Experience building low-latency systems and optimising performance for computational workloads. Proficient in working with SQL and managing large financial datasets. Knowledge of cloud platforms (Azure, AWS) and DevOps tools (Git, CI/CD) desirable. Excellent problem-solving and analytical skills, with a keen attention to detail. Strong communication and collaboration More ❯

proactive Solace Messaging Administrator to join our Messaging team. You will be responsible for managing and supporting our enterprise messaging infrastructure built on Solace PubSub+, ensuring high availability, optimal performance, and reliability across production and non-production environments. This includes working on incident response, capacity planning, WAN optimization, and system observability using tools like Prometheus and Grafana . Key … maintain Solace PubSub+ appliances and software brokers across environments (on-prem and cloud). Provide production support for messaging-related incidents, including root cause analysis and resolution. Monitor system performance and health using Prometheus and Grafana ; proactively identify and address anomalies. Configure and optimize Solace across WAN environments , ensuring low-latency, secure, and reliable messaging. Collaborate with development and … application support teams to troubleshoot message flow issues and integration problems. Perform capacity planning , scaling, and tuning of Solace infrastructure to meet current and future demand. Automate routine maintenance tasks and support continuous improvement of operational processes. Implement and maintain monitoring alerts, dashboards, and metrics to ensure visibility into the messaging layer. Ensure compliance with security policies and participate More ❯

proactive Solace Messaging Administrator to join our Messaging team. You will be responsible for managing and supporting our enterprise messaging infrastructure built on Solace PubSub+, ensuring high availability, optimal performance, and reliability across production and non-production environments. This includes working on incident response, capacity planning, WAN optimization, and system observability using tools like Prometheus and Grafana . Key … maintain Solace PubSub+ appliances and software brokers across environments (on-prem and cloud). Provide production support for messaging-related incidents, including root cause analysis and resolution. Monitor system performance and health using Prometheus and Grafana ; proactively identify and address anomalies. Configure and optimize Solace across WAN environments , ensuring low-latency, secure, and reliable messaging. Collaborate with development and … application support teams to troubleshoot message flow issues and integration problems. Perform capacity planning , scaling, and tuning of Solace infrastructure to meet current and future demand. Automate routine maintenance tasks and support continuous improvement of operational processes. Implement and maintain monitoring alerts, dashboards, and metrics to ensure visibility into the messaging layer. Ensure compliance with security policies and participate More ❯

office, 3 from home) 29 Days Annual Leave + Bank Holidays Free Company Shares Private medical care And many more Role and Responsibilities: Design, develop, and maintain scalable, high-performance data pipelines using Snowflake on AWS. Build and optimise Snowflake environments: Warehouses, schemas, roles, security policies. Snowpipe, Streams & Tasks. Partitioning, clustering, and performance tuning Develop robust ELT More ❯

office, 3 from home) 29 Days Annual Leave + Bank Holidays Free Company Shares Private medical care And many more Role and Responsibilities: Design, develop, and maintain scalable, high-performance data pipelines using Snowflake on AWS. Build and optimise Snowflake environments: Warehouses, schemas, roles, security policies. Snowpipe, Streams & Tasks. Partitioning, clustering, and performance tuning Develop robust ELT More ❯

with OWASP Top 10 and security standards. Support Provide 2nd and 3rd line support across Dynamics CRM applications. Manage incidents, service requests, and changes following ITIL processes. Monitor CRM performance and proactively resolve operational issues Skills & Experience Required Essential Proven technical expertise in Dynamics 365 CE configuration and customisation. Hands-on with Power Platform including Power Apps, Power Automate … SCRUM and OWASP principles. Excellent stakeholder management, communication, and problem-solving skills. Desirable Exposure to Copilot and AI-driven tools . ITIL certification or experience working in ITIL environments. Performance tuning and data migration expertise. *Rates depend on experience and client requirements More ❯

maintain ETL solutions using Ab Initio (Graphical Development Environment, Co>Operating System, EME, and Conduct>It). Integrate data from multiple heterogeneous sources into unified, high-quality datasets. Perform performance tuning, debugging, and optimization of existing ETL processes. Implement data quality, validation, and error-handling frameworks. Collaborate with architects and DBAs on data modeling, pipeline design, and environment … warehouse concepts . Familiarity with big data ecosystems (Hadoop, Hive, Spark) and cloud platforms (AWS, Azure, GCP) is a plus. Proven ability to troubleshoot complex ETL jobs and resolve performance issues. Experience working with large-scale datasets and enterprise data environments. Experience in the banking, financial services domain preferred. Exposure to CI/CD pipelines and DevOps tools for More ❯

programme, working on high-impact projects that enable data-driven decision-making. Responsibilities for the Senior Data Engineer: Design, build, and maintain scalable data pipelines and architectures, ensuring reliability, performance, and best-in-class engineering standards Leverage Databricks, Spark, and modern cloud platforms (Azure/AWS) to deliver clean, high-quality data for analytics and operational insights Lead by … improve existing systems, introducing new technologies and methodologies that enhance efficiency, scalability, and cost optimisation Essential Skills for the Senior Data Engineer: Proficient with Databricks and Apache Spark, including performance tuning and advanced concepts such as Delta Lake and streaming Strong programming skills in Python with experience in software engineering principles, version control, unit testing and CI/ More ❯

this is your chance to work remotely, flex your technical muscles, and make a real impact. About the role: Administer and optimise SQL Server environments across multiple clients Monitor performance, troubleshoot issues, and implement security best practices Lead technical discussions and offer strategic guidance to client teams Perform upgrades, installations, and after-hours maintenance deployments Tune performance, refine … call rota (shared across the team) About you: What You Bring Deep expertise in SQL Server infrastructure and database administration Strong grasp of backup/recovery models, replication, and performance tuning Proficiency in T-SQL and PowerShell scripting (bonus points!) Experience with HA solutions: Availability Groups, Log Shipping, Clustering, Mirroring Familiarity with cloud platforms (Azure, AWS) and migration More ❯

to translate business requirements into technical specifications . Integrate IFS with other enterprise systems using SOAP/REST APIs , Aurena , or IFS Connect . Perform system upgrades, patching, and performance tuning . Develop and maintain Crystal Reports , Quick Reports , and Lobby elements . Provide technical support and troubleshooting for IFS-related issues. Participate in data migration and system More ❯

and optimise performance. Collaborate with senior engineers to implement new features and fix bugs. Participate in code reviews and contribute to improving coding standards. Assist in troubleshooting, debugging, and performance tuning of applications. Document technical designs, processes, and solutions. Stay up to date with emerging tools, technologies, and best practices. Requirements: Degree in Computer Science, Software Engineering, or More ❯

asynchronous messaging patterns (e.g., queues, event buses). • System Design: • •Ability to design and implement scalable software systems. • •Familiarity with distributed system patterns and architectural trade-offs. • •Experience with performance tuning and troubleshooting in complex environments. • Tooling & Infrastructure: •Experience with CI/CD pipelines, containerization (Docker/Kubernetes), and version control systems (e.g., Git). • Soft Skills; • Communication More ❯