76 to 100 of 163 Permanent Performance Tuning Jobs

Java + CloudNative

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum
scalable event-driven architectures utilizing Apache Kafka and Apache Flink for real-time risk data streaming. API & Integration Engineering: Design, implement, and maintain high-performance RESTful APIs and gRPC services for seamless cross-system and frontend-backend communication. Cloud & DevOps Integration: Deploy, scale, and manage cloud-native applications … Domain Alignment: Partner with quantitative analysts, risk officers, and product owners to translate complex risk management requirements into technical implementations. System Optimization & Reliability: Conduct performance tuning, memory profiling, and multithreading optimizations; troubleshoot and resolve production incidents to uphold high availability. Quality & Compliance: Maintain high code quality through rigorous ...

CNI Infrastructure Engineer

Hiring Organisation
Appcast
Location
Warwick, Warwickshire, UK
resilient networking environments across LAN/WAN, SD-WAN, VLANs, BGP/OSPF, VPNs, load balancers, and firewalls Support platform reliability through monitoring, troubleshooting, performance optimisation, and capacity planning Contribute to incident response, root cause analysis, and 24/7 on-call support where required Drive automation of operational … willingness to automate anything that can (and should!) be automated.Strong, hands‐on experience with Linux systems in enterprise environments, including installation, configuration, administration, troubleshooting, performance tuning, patching, and security hardening.Strong knowledge of Active Directory Domain Services, with the ability to design, manage, and troubleshoot directory‐based environments.Hands ...

Software Architect - .NET / Automation Systems

Hiring Organisation
Computer Futures
Location
Nottingham, Nottinghamshire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 90,000 Annual
artefacts and architecture documentation (including ADRs) Make key technical decisions across persistence, messaging, caching, and integration patterns Ensure solutions meet non-functional requirements including performance, scalability, availability, and security Troubleshoot and resolve complex system issues, including concurrency, bottlenecks, and integration failures Systems Integration Own and define integration patterns between … technical authority in client workshops, design reviews, FAT/SAT, and commissioning phases Provide support during go-live activities, including system tuning, troubleshooting, and stabilisation Collaborate with delivery and project teams to ensure integration success Maintain a calm, solution-focused approach in high-pressure live environments Technology Strategy & Governance ...

Senior Software Engineer

Hiring Organisation
HireQ Talent
Location
United Kingdom
closely with Product, Engineering, QA, and DevOps teams Championing engineering best practices through code reviews, testing, and mentoring Improving system reliability, scalability, security, and performance Building and maintaining cloud-native applications and microservices Influencing architectural decisions and technical strategy Producing high-quality technical documentation and API specifications Identifying opportunities … authorisation, encryption, and secrets management Cloud platform experience, particularly Microsoft Azure CI/CD pipeline development and DevOps best practices Monitoring, observability, logging, and performance tuning Bonus Points For Experience within Healthcare, HealthTech, MedTech, Life Sciences, or regulated environments Background in high-growth SaaS or product-led technology ...

Local Government ERP Enterprise Architect

Hiring Organisation
Morson Edge
Location
United Kingdom
Employment Type
Contract, Part Time
Salary
£600 - 750 per day
compliance with public sector requirements: information security, data privacy, accessibility, spend controls, and procurement regulations. Provide architectural assurance across delivery: solution design reviews, NFRs, performance, resilience, disaster recovery. Partner with Finance, HR, Procurement, IT Ops, and Service Owners; translate complex architecture into clear, actionable plans. Mentor solution architects … tooling and methods: TOGAF or equivalent, BPMN, ArchiMate/UML, roadmapping, capability modelling, and business case development. Non-functional mastery: security, scalability, availability, observability, performance tuning, and cost optimisation in hybrid/cloud environments. Excellent stakeholder skills—able to influence senior leaders, suppliers, and delivery teams; clear written ...

Java API Developer, Assistant Vice President

Hiring Organisation
Appcast
Location
London, UK
tests (unit/integration) and ensure strong quality gates for services supporting regulated digital asset processing.Support production readiness: observability (logs/metrics), incident triage, performance tuning, and resilience improvements for APIs operating in a regulated, high‐availability environment.Collaborate across teams to drive clear API contracts and dependencies … enterprise Java or platform backends.About State StreetAcross the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success.We ...

Senior Java Architect - Banking, Payments & AI

Hiring Organisation
Intuition IT Solutions Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Spring Cloud, and Microservices. Deep knowledge of Kafka, NATS, event streaming, API architecture, and integration patterns. Hands-on expertise with Oracle, PostgreSQL, data modelling, performance tuning, and high-availability systems. Excellent stakeholder management, leadership, and communication skills. ...

Data Engineer

Hiring Organisation
Reed in Partnership
Location
Liverpool, Merseyside, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 per annum
insights deliveries. PERSON SPECIFICATION Essential Technical Skills Understanding of ETL/ELT processes Understanding and experience with DDL/DML Query optimisation and performance tuning Proficiency in SQL and DAX (Python would be desirable) Star schema data modelling Power BI Experience with or knowledge of: Azure Data Warehouse ...

Java Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Permanent
Salary
£45,000
work management and tracking. Desirable Skills Understanding of CI/CD best practices. Experience working in highly regulated or secure environments. Knowledge of application performance tuning and monitoring. Exposure to DevOps methodologies and cloud-based environments. Strong troubleshooting and problem-solving skills. If you receive suspicious outreach claiming ...

Oracle Database Engineer

Hiring Organisation
Future plc
Location
London, UK
Employment Type
Full-time
Strong SQL writing skills and data analysis using SQLPlus/Toad/SQL developerExperience writing complex and optimal SQL queriesExperience in debugging and performance tuning PL/SQL code Experience in Oracle Forms 12c (Oracle Fusion Middleware) Experience with ETL processing, data extraction, transform and load Working knowledge ...

Senior PHP Developer

Hiring Organisation
INTEC SELECT LIMITED
Location
Basingstoke, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
7.4 (CakePHP) and PHP 8+ (Laravel/Symfony). Experience building RESTful APIs and backend services. Strong MySQL knowledge, including query optimisation and performance tuning. Understanding of software architecture, design patterns, and SOLID principles. Experience with JavaScript (ES6+), HTML5, CSS, Git, Docker, and Linux/WSL environments. Strong experience ...

Senior Front Office Developer - Trading

Hiring Organisation
CMC Markets UK Plc
Location
City of London, London, United Kingdom
Employment Type
Permanent
Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence … critical. You will design and build ultra-low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance critical environments and want your work to have real market impact, we would love to hear from you. Please note that this ...

Senior Linux, AIX & Oracle Database Administrator

Hiring Organisation
Deerfoot Recruitment Solutions
Location
London, UK
Employment Type
Full-time
highly skilled IT infrastructure team, you'll take ownership of complex Oracle database environments, Linux and AIX administration, and the ongoing stability and performance of critical banking applications including Oracle Flexcube and Oracle ERP.If you enjoy solving complex technical challenges, working across high-availability environments, and contributing … within mission-critical banking environmentsManaging and maintaining Red Hat Linux and IBM AIX server infrastructure hosting core banking applicationsPerforming database and OS patching, upgrades, performance tuning and capacity optimisationSupporting Oracle Flexcube and Oracle ERP platforms to ensure high availability and operational resilienceImplementing and managing Oracle backup and recovery ...

Systems Engineer - Sell Side Solutions

Hiring Organisation
Bloomberg
Location
London, UK
Employment Type
Full-time
Bloomberg TEMS (Trade Execution Management System - TEMS) is looking for a sharp System Engineer with some Networking ExperienceTEMS is a leading provider of high-performance trading solutions. We've delivered some of the world's most advanced systems to a who's who customer list that includes the largest … Help manage and administer Broadway's global trading hardware, network, systems, and data center infrastructure. Identify, troubleshoot, and resolve hardware, operating system, network, and performance issues within the trading environment.• Serve as a systems administrator for production Windows and Linux environments, including server builds, patching, configuration management, access control ...

Senior Database Architect

Hiring Organisation
Siamo Group Ltd
Location
Cirencester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Salary
£35,000
will have the following responsibilities: Design, maintain, and optimise the systems and database infrastructure Build and manage ETL processes and system integrations Monitor database performance, security, and data integrity Ensure compliance with data governance and GDPR requirements Collaborate with IT teams and third-party providers on database solutions Provide … exposure: Strong experience with SQL Server, MySQL, or similar relational databases Experience building and maintaining ETL processes and data integrations Knowledge of database performance tuning, security, and backup procedures Understanding of data governance, GDPR, and data management best practices Experience working with APIs and integrating multiple business systems ...

Development Technology Lead, Assistant Vice President

Hiring Organisation
State Street Bank
Location
Midlothian, Scotland, UK
Employment Type
Full-time
Experience with PL/SQL programming, Oracle databaseExperience in developing data solutions as Oracle App DB developer.hands-on experience in writing complex queries, performance tuning, and designing for performance.Understanding of Financial domain, specifically OTC derivativesExperience in working with Vendor platforms and critical transactional systemsExperience in agile delivery & adhering … Computer Science or equivalent requiredAbout State StreetAcross the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success.We ...

Senior Platform Engineer (RHEL)

Hiring Organisation
Appcast
Location
Yeovil, Somerset, UK
planning, estimation, execution, and reporting.Develop and review system architectures, low-level designs, and technical documentation.Integrate and test platform components, ensuring compliance with security and performance requirements.Provide mentoring, guidance, and technical leadership to Platform Engineers and Technicians.Collaborate with stakeholders, project teams, and customers to ensure solutions meet requirements.Drive continuous improvement … tooling (e.g. Satellite, lifecycle management)Windows enterprise services (e.g. AD advanced config, Group Policy design)Virtualisation platform depth (VMware stack, clustering, HA/DR)Performance tuning and troubleshooting across Linux and Windows systemsContainer platforms (Kubernetes/OpenShift/Docker)Integration with enterprise services (PKI, PAM, monitoring, backup)Automation ...

Senior Full Stack Software Engineer - ClickPipes Platform

Hiring Organisation
ClickHouse
Location
Moffat, Dumfries & Galloway, UK
Employment Type
Full-time
contractsParticipate in an on-call rotation to support ClickPipes in production, helping diagnose incidents, and mitigate issuesTake ownership of production quality, including monitoring, debugging, performance tuning, and reliability improvementsWhat you will bring:5+ years of experience building and shipping production full-stack applicationsIn-depth knowledge of web fundamentals … future adjustments.An individual's placement within the range will depend on various factors, including (but not limited to) education, qualifications, certifications, experience, skills, location, performance, and the needs of the business or organization.If you have any questions or comments about compensation as a candidate, please get in touch with ...

Platform Engineer

Hiring Organisation
IC Resources
Location
Greater Bristol Area, United Kingdom
maintaining enterprise data pipelines Building secure data ingestion and transformation workflows Developing Elasticsearch, Logstash and Kibana solutions Monitoring and optimising high-volume data platforms Performance tuning and troubleshooting Disaster Recovery and platform resilience Working closely with architects and security teams within a highly regulated environment Experience ...

Lead Data Engineer

Hiring Organisation
Kinetech Recruitment
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
applications) feeding into a Lakehouse Engage stakeholders across the business to improve data quality and consistency Required Experience Strong hands-on SQL expertise, including performance tuning Proven experience with Microsoft Fabric and Synapse (design, architecture, implementation) Experience working with Lakehouse architecture and multiple data sources Demonstrable experience modernising ...

Senior Developer

Hiring Organisation
Young's Employment Services Ltd
Location
West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Management, Azure DevOps etc Good knowledge and experience with Azure AI Foundry Strong SQL/SQL Server experience schema design, EF Core migrations, query performance tuning etc Good knowledge of software architecture, scalability and best practice Experience with Microservices patterns Experience with Frontend Development - React/TypeScript/ ...

Senior Developer

Hiring Organisation
Young's Employment Services Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum, Negotiable
Management, Azure DevOps etc Good knowledge and experience with Azure AI Foundry Strong SQL/SQL Server experience — schema design, EF Core migrations, query performance tuning etc Good knowledge of software architecture, scalability and best practice Experience with Microservices patterns Experience with Frontend Development - React/TypeScript/ ...

Senior.NET Developer - Data & Product Analytics (Health Insurance Platform)

Hiring Organisation
Cegedim
Location
Bristol, UK
Employment Type
Full-time
commercial experience developing productionsystems with:.NET/C#ASP.NET Core or equivalent web frameworksAngular (or similar modern SPA framework)SQL Server (schema design, complex queries,performance tuning)MongoDB (or equivalent NoSQL document store)RESTful APIs; NServiceBus or equivalent messagingframework.Proven experience in data analysis and/or analyticsengineering:Comfortable writing ...

Senior Front Office Software Engineer

Hiring Organisation
CMC Markets
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence … critical. You’ll design and build ultra-low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance critical environments and want your work to have real market impact, we would love to hear from you. Please note that this ...

Technology Architect - Infrastructure Architect (Capacity & Performance, Multi-Platform) - London/Warwick), UK

Hiring Organisation
Infosys Technologies
Location
London, UK
Employment Type
Full-time
DescriptionRole - Technology ArchitectTechnology - Infrastructure Architect (Capacity & Performance, Multi-Platform)Location - Leeds/Warwick UK Role Overview: The Infrastructure Architect will be responsible for designing, optimizing, and managing enterprise IT infrastructure across Compute (AIX/Linux, Windows/VMware), Storage, and Network domains, with strong focus on capacity planning, performance engineering, and operational resilience.The role will support large-scale enterprise environments and ensure high availability, scalability, and performance optimization across all infrastructure layers.Key Responsibilities1. Infrastructure Architecture & DesignDefine and maintain end-to-end infrastructure architecture across: Compute (IBM AIX, Linux, Windows)Virtualization (VMware – ESXi, vCenter)Storage (SAN/ ...