351 to 375 of 469 Performance Tuning Jobs in England

Senior Software Engineer, Trading Platform, C++

Location
Greater London, England, United Kingdom
multi-threaded programming and a strong understanding of hardware/software interaction Are comfortable working "under the hood" and you are quite skilled in performance tuning (applications, Linux, socket I/O, etc.) and troubleshooting Have experience working with C++ libraries like STL and Boost ...

Software Engineer

Location
Portsmouth, England, United Kingdom
frameworks (PHPUnit, Jest, Cucumber) Agile methodologies without the ceremony - we take a very lean approach Docker CI/CD and cloud hosting Architecture scalability performance tuning Education 2:1+ degree in Software Engineering Experience 7+ years in software engineering Proven ability to deliver independently on complex systems while ...

Network Engineer

Location
Greater London, England, United Kingdom
firewall solutions.* Assist in the implementation of secure, scalable network architectures to meet operational, security, and compliance requirements.* Perform network monitoring, performance tuning, and capacity planning to ensure optimal uptime and reliability.* Support connectivity between datacenters, cloud environments, and global offices, including SD-WAN and hybrid cloud network ...

Remote Data Engineer: Azure Data Platform & Big Data

Location
West of England, England, United Kingdom
have hands-on experience with Azure data services, strong SQL and Python/PySpark skills, and a passion for engineering best practices, governance, and performance tuning. #J-18808-Ljbffr ...

Database Administrator

Hiring Organisation
Randstad Construction and Property
Location
London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
vital for breaking down operational silos and managing risk effectively. Randstad are looking for an experienced Database Administrator to take ownership of the performance, security, and evolution of the production databases and cloud-based data infrastructure. You will play a central role in ensuring multi-product software ecosystem remains … protecting sensitive information and safeguarding business continuity. Actively monitor, maintain, and fine-tune multiple production MySQL and SQL Server databases, driving improvements in query performance, indexing, and overall system configuration. Design and implement shared data solutions that unify information across core software platforms, enabling integrated reporting and intelligence. Enforce ...

Senior Software Engineer (GO)

Hiring Organisation
Source Group International
Location
London, UK
Employment Type
Full-time
enabling the safe and scalable use of Generative AI technologies within the organization. Key Responsibilities Backend Platform Engineering Design, develop, and maintain high-performance backend services using Golang within distributed and microservices-based architectures. Build enterprise-grade AI platform capabilities supporting LLMOps, model deployment, inference services, prompt management, model … event-driven architectures using Kafka. Develop highly available data services leveraging MongoDB and other enterprise data platforms. Optimize data flows, event processing, and backend performance for large-scale distributed systems. Observability & Reliability Implement comprehensive observability solutions using: PrometheusOpenTelemetryGrafanaEstablish monitoring, tracing, logging, alerting, and SRE best practices. Drive operational excellence ...

Senior Data Engineer

Location
Greater London, England, United Kingdom
large datasets and distributed computing frameworks to support data engineering initiatives.Collaborate with architects, analysts, and business stakeholders to deliver data-driven solutions.Troubleshoot and resolve performance, scalability, and data quality issues.Contribute to data platform modernization and best practices.Skills7–9 years of experience in Data Engineering or related roles.Strong hands … experience in Python development.Proven experience with PySpark for large-scale data processing.Strong knowledge of SQL, including query optimization and performance tuning.Exposure to or working knowledge of Scala.Experience working with cloud-based or enterprise data platforms.Strong analytical, problem-solving, and communication skills.Preferred SkillsExperience with data warehousing and ETL frameworks.Exposure ...

Sr Data Engineer

Hiring Organisation
Experis
Location
Warwickshire, United Kingdom
Employment Type
Contract
Contract Rate
£470 - £471/day
Work with structured and semi-structured data, applying appropriate data modelling, validation, and quality checks. Write and optimise SQL for data transformation, reconciliation, and performance tuning. Cloud Data Platform & DataOps Develop and support data solutions on Snowflake as a core cloud data platform. Use DataOps.live practices and tooling … Have: Reporting & Analytics Familiarity with Power BI reporting, semantic models, datasets, and dashboard development. Ability to support reporting teams by providing well-structured, performance-optimised data models. Understanding of business KPIs and how data engineering outputs support analytics and decision-making. Preferred Skills & Experience Hands-on experience with Azure ...

Technical Delivery Lead

Location
Greater London, England, United Kingdom
with Apache Airflow. Utilize container platforms such as GKE and Cloud Run. Apply strong software engineering skills in Python, APIs, configuration management, testing, and performance tuning. Implement CI/CD pipelines, release controls, automated quality gates, and Infrastructure‐as‐Code (Terraform). Design for reliability including retries, idempotency, dead … Cloud Run, applying GCP cloud architecture best practices. Proficiency in Python, with strong software engineering skills across APIs, configuration management, testing, and performance tuning. Working experience with Terraform and CI/CD pipelines, including release controls and automated quality gates. Experience designing resilient systems using patterns such as retries ...

Software Senior Engineer

Hiring Organisation
Barracuda
Location
Reading, Berkshire, UK
Employment Type
Full-time
Barracuda's Zero Trust platformBuild and enhance a cloud-native policy enforcement engineIntegrate services across distributed data plane and security systemsAnalyze and improve system performance, scalability, and reliabilityTroubleshoot networking and system-level issues in production environmentsCollaborate with engineers, technical leads, and cross-functional teamsSenior level: Lead design initiatives … drive architectural decisionsMentor and guide junior engineersOwn complex features end-to-end (design implementation optimization)Influence best practices in performance, scalability, and securityTech Stack ExposureProgramming: GoLang, Rust, TypeScript, and/or C/C++Networking: TCP, & Orchestration: Docker, KubernetesData formats: JSON, XML, ProtoBufTooling: Git, CMake, Conan, CargoDebugging: GDB, LLDBWhat ...

Cloud Game Streaming - Systems Engineer

Location
Greater London, England, United Kingdom
underlying systems that power core platform capabilities and developer tools. Our mission is to enable world‐class gaming experiences by delivering low‐level, high‐performance technology for PlayStation platforms. The Role We are looking for an engineer to join the GDFT department, working on the design and optimisation … time game streaming technologies. You will contribute to the development of low‐latency video streaming systems across current and future PlayStation platforms, working on performance‐critical areas spanning frame capture, media pipelines, codec configuration, system services and streaming transport. The role is particularly suited to engineers with a strong ...

Elasticsearch Consultant

Location
Greater London, England, United Kingdom
data Onboard and enrich logs from cloud, infrastructure, network and security sources Create and tune Elastic SIEM detection rules, dashboards and alerts Improve cluster performance, resilience, scalability and data retention Automate deployments and configuration through Ansible and scripting Support containerised Elastic environments running on Kubernetes Manage streaming and ingestion … with Ansible, Kafka and Kubernetes Experience using Argo CD and GitLab CI/CD Scripting experience with Python, Bash or similar Knowledge of Elasticsearch performance tuning, ILM, shards and cluster management Strong troubleshooting and stakeholder-management skills #J-18808-Ljbffr ...

Infrastructure Engineer

Location
Manchester, England, United Kingdom
maintained end-user computing estate. Regular travel to customer sites across the UK is expected. Key Responsibilities Own the day-to-day management, monitoring, performance tuning, availability and security of the Omnissa Horizon VDI platform (Connection Servers, Unified Access Gateway, Instant Clones, desktop pools, App Volumes, Dynamic Environment … maintain rigorous and timely patch management across Horizon components, thin clients and laptops, monitor for vulnerabilities, and drive rapid remediation. Perform capacity planning, proactive performance optimisation and high-availability improvements for the Horizon platform. Provide Tier 2/3 support and root-cause analysis for complex VDI, thin client ...

Forward Deployed Engineer, Professional Services

Location
Greater London, England, United Kingdom
most strategic and complex customers. This role balances deep technical expertise with hands‐on, onsite engagement, where you will architect solutions, optimise performance, and drive business success by helping customers maximise the value of Cloudflare’s platform. You will collaborate cross‐functionally with Sales, Support, Product, and Engineering … customer insights directly influence the product roadmap and enhance the overall experience. Advise customers on industry best practices for security, network optimisation, scalability, and performance tuning tailored to their specific operational needs. Stay current with industry trends and evolving Cloudflare solutions to provide forward‐thinking guidance and configuration ...

Lead Linux Engineer

Hiring Organisation
Sopra Steria
Location
Salisbury, Wiltshire, South West, United Kingdom
Employment Type
Permanent
Salary
25 days holidays, 6% contributory pension, 4 x life insurance, 3% Flex
scale platforms? We're looking for a Linux Infrastructure & Platform Architect to drive the design, automation, and evolution of critical infrastructure environments supporting high-performance computing, cloud services, and modern containerised platforms. In this hands-on technical leadership role, you'll combine architecture, engineering, and automation expertise to deliver … Salisbury OR Portsmouth. What you'll be doing: Leading the design, administration, optimisation, and support of large-scale Linux environments, ensuring high availability, performance, security, and resilience. Architecting and supporting High Performance Computing (HPC) platforms, including compute, storage, networking, workload scheduling, and user environments. Designing, deploying, and managing ...

Oracle DB, PL/SQL & APEX Engineer (Hybrid)

Location
Greater London, England, United Kingdom
/SQL and Oracle APEX 24.2 technical expert for applications, BAU delivery, enhancements and developments. The role focuses on writing efficient SQL, debugging and performance tuning, ETL processing, and ensuring reliable data solutions across Oracle databases, in a hybrid arrangement with two office days per week. #J ...

Java Team Lead: Spring Boot, Cloud & Agile Architect

Location
Greater London, England, United Kingdom
enterprise platform using Angular, Java, and Spring. You will design architecture, mentor developers, and deliver scalable solutions. This role focuses on leadership, code quality, performance tuning, and close collaboration with product, QA, and DevOps to ensure reliable delivery and fast iterations. You will own technical direction, review designs ...

Full-Stack Java/React Engineer II — AI-Driven Innovation

Location
Greater London, England, United Kingdom
pipelines, and AI-assisted development tools from day one, contributing to a culture focused on quality and continuous improvement. The role emphasizes debugging, performance tuning, automated testing, and collaboration across teams to deliver robust financial software used by millions of customers worldwide. #J-18808-Ljbffr ...

Trading Application Support

Location
Greater London, England, United Kingdom
sales Duties will include the setting of proprietary software for booking, pricing and trading (manual and automaton, market interface) : Real-time settings Market access performance tuning Computation setup Duties will also include electronic executions matching, new releases deployment, bug reporting and new features or improvements requests to development ...

SQL Database Administrator

Location
Wychavon, England, United Kingdom
Cluster Instances, SQL Always on Availability Groups (AG) and WSFC Knowledge and experience in – sizing, capacity planning and benchmarking (e.g., CIS), backup, recovery and performance tuning Proactively monitor and respond to MSSQL database alerts generated by the third party Do you have the required skills? #J-18808-Ljbffr ...

Windows Security Engineer - Quant Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
common Windows vulnerabilities and mitigation methods, countermeasures to common TTPs, OS hardening/best practices, log aggregation and querying methods. Experience hardware monitoring and performance tuning An appetite for delivering solutions to complex problem Good hand son experience with core Windows infrastructure (Active Directory, PKI, SQL) Experience developing ...

Backend Developer

Location
Greater London, England, United Kingdom
want to use. We’re a small nimble team, so you’ll be expected to get involved with a little bit of everything, from performance tuning, technical debt and helping to drive out requirements with stakeholders. We work in an Agile environment with pair programming ...

Salesforce Engineer

Hiring Organisation
Sage
Location
Winnersh, Berkshire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Lightning Web Components. Much of our work involves custom Apex and LWC development, applying core software engineering principles such as OO design, automated testing, performance tuning, and CI/CD. Team culture & environment What really makes this role stand out is the team. • A stable, close knit engineering ...

Lead Backend Engineer

Location
City Of London, England, United Kingdom
languages). You bring deep knowledge of programming fundamentals - data structures, algorithms, system design. You’ve built systems at scale and understand distributed architectures, performance tuning and observability. You lead by example: through mentoring, clear communication, and a collaborative mindset. You’re tenacious and resourceful — you know ...

Azure .NET Full-Stack Developer (React) – Onsite

Location
Wokingham, England, United Kingdom
prepare CI/CD pipelines, and ensure robust data processing at scale. Responsibilities include backend development with .NET Core, React frontend, API integration, and performance tuning. #J-18808-Ljbffr ...