1 to 25 of 43 High Availability Jobs in the City of London

Principal Engineer I — Prepurchase Platform

Location
City Of London, England, United Kingdom
Prepurchase Platform group owns the backend services that power every fan's path to a ticket. We handle event discovery, real-time seat availability, and interactive venue experiences at massive scale, processing billions of API calls during peakon-sales. Our engineers build systems that must be fast, resilient … reaching a fan is a problem, not a data point; treat it accordingly and act with urgency regardless of volume. Build end-to-end, high-availability systems that handle extreme traffic spikes during high-demand on-sales without degradation. Lead platform modernization initiatives - migrating legacy services ...

DBA Lead

Location
City Of London, England, United Kingdom
https://risk.lexisnexis.com/insurance About our Team The Database Administration team provides enterprise-wide support for mission-critical database platforms, ensuring high availability, performance, security, and operational stability. The team manages MySQL, SQL Server, PostgreSQL, Oracle, and cloud database technologies across hybrid environments while driving automation … Additional Skills Database Technologies 7+ years of MySQL DBA or Database Engineering experience. Strong experience with MySQL replication design, implementation, and support. Experience with High Availability (HA) and Disaster Recovery (DR) architectures. Extensive experience with backup and recovery technologies including Percona XtraBackup and snapshot-based recovery solutions. Experience ...

IBM Netcool / Observability Technical Lead

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£780 - £830 per day
headcount. What You'll Be Doing Own the Netcool estate - administer, maintain and upgrade Omnibus, ObjectServers, Gateways, Probes, WebGUI and Impact, ensuring high availability, resilience and robust lifecycle management Engineer smarter event management - design and maintain correlation, suppression, deduplication, enrichment and automation rules that cut alert noise … large-scale enterprise environments, including Omnibus, Impact and WebGUI Strong grasp of Netcool architecture - ObjectServers, Probes, Gateways (ServiceNow, JDBC), plus failover and high-availability configurations Proven track record delivering platform upgrades, patching, migrations and lifecycle activities on mission-critical 24x7 platforms Strong SQL and ObjectServer database administration, with ...

Software Engineer, Trading – Cumberland Systematic

Location
City Of London, England, United Kingdom
share our belief that it’s not just what we do that matters–it's how we do it. DRW is a place of high expectations, integrity, innovation and a willingness to challenge consensus. Cumberland Systematic is a multi-asset trading team focused on mid and high-frequency … join our team.You will work with other software engineers to design and develop the full stack needed to enable a global trading operation with high availability requirements.You will be expected to design and develop trading systems, market data connectivity, execution algorithms, research infrastructure, monitoring and observability tooling ...

Trading Systems Engineer - C++/Python, High Availability

Location
City Of London, England, United Kingdom
leading trading firm in London is seeking a Software Engineer to design and develop high availability trading systems using C++ and Python. The ideal candidate will have over 5 years of C++ experience and a strong understanding of concurrency and software for trading. This role requires collaboration with ...

Network Support Analyst with Cisco CCNA – City London

Location
City Of London, England, United Kingdom
proven track record. This is a support role (BAU) with involvement in design of scalable solutions deliverable through projects. Encompassing numerous technologies that benefit high-availability solutions. Fast thinker who can diagnose, assist others and remediate BAU support issues. Maintain documentation and networking diagrams for both support … required CCNA VPN technologies (IPSEC) Security certification (advantageous) Technologies Layer 2 Switching, Layer 3 Routing, VPN IPSEC & SSL, TACACS, RADIUS, NAT/PAT, VSS. High availability, including failover technologies and first hop redundancy protocols. The Client is based in the City in London close to Liverpool Street. Salary ...

Global Banking Markets - Low-Latency Java/C++ Software Engineer - Vice President - London

Location
City Of London, England, United Kingdom
outside the office. Goldman Sachs Electronic Trading (GSET) strives to be the top provider in electronic trading by building superior technology and delivering high quality products by investing in people, platforms, and products. Join the team and participate in the development and launch of best-in-class products … should be willing to participate in the full product lifecycle from requirements gathering, design, implementation, testing, support, and monitoring. RESPONSIBILITIES Design, build and maintain high-performance, high-availability, high-capacity, yet nimble and adaptive platforms satisfying a range of business needs Work in partnership with ...

IT Infrastructure Architect - contract

Location
City Of London, England, United Kingdom
Systems designs. Responsibilities To act as an Infrastructure Architect on a variety of internal and external IT delivery projects, key responsibilities include: Produce high quality High Level Design documentation describing technical systems solutions, providing overall design direction and recommendations for resolution of complex technical issues Provide technical leadership … communication skills Leadership, presentation and stakeholder management skills Ability to work on complex projects with globally distributed teams and tight timelines Ability to design high availability solutions, including consideration to fault tolerant analysis and resiliency Ability to work with and manage vendors/suppliers such as IBM Experience ...

Senior Scala Engineer CGEMJP

Location
City Of London, England, United Kingdom
services, including consolidation, to allow us to provide a consistent and easy to use experience for users. Consideration for delivering high-volume, high-availability and low-latency services Improvement of our existing services Reducing our maintenance efforts through incremental re-architecting - e.g. reducing the number of technologies … design, pairing, demos and documentation Make complex look and sound simple Be kind, creative and convincing How we work: We favour: Breaking down a high-level problem as a team upfront and delivering the core value first Delivering individual business benefits to production, rather than bundling tasks together Collaboration ...

Scala Engineer

Location
City Of London, England, United Kingdom
fraud detection and prevention. You will help design the future vision for these services, including consolidation and incremental re-architecting, with a focus on high-volume, high-availability and low-latency services. You will improve existing services while reducing maintenance overhead through simpler architectures and the appropriate ...

Scala Engineer

Location
City Of London, England, United Kingdom
Responsibilities Help define and deliver the future vision for attribute reputation services, driving simplification and consolidation where appropriate. Design and develop high-volume, high-availability, low-latency backend services. Enhance and optimise existing applications and services. Support incremental re-architecting initiatives to reduce technical complexity and improve … Continuous Integration/CI/CD Agile methodologies Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment ...

Python Technical Lead FinTech

Hiring Organisation
Run-Time Group Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Technical Lead Salary: £90-120K work model: Hybrid Were looking for a Python Technical Lead to drive the architecture, development, and delivery of high-performance financial systems. Youll lead a team of engineers building scalable platforms that power real-time transactions, risk analytics, and next-generation digital financial … build robust, secure, and scalable microservices using Python (FastAPI, Django, Flask). System Architecture Lead the design of distributed systems, event-driven architectures, and high-availability platforms. Team Mentorship Coach engineers, conduct code reviews, and foster a culture of continuous improvement. FinTech Platform Development Build systems for payments ...

Senior Frontend Architect — Real-Time React & TypeScript

Location
City Of London, England, United Kingdom
HCLTech is seeking a skilled UI Developer to build time-critical, high-availability, and high-performance user interfaces. You will work across the full UI development lifecycle, from design through testing and deployment, using HTML, CSS, JavaScript, React and TypeScript. Strong experience with real-time communication (WebSockets ...

Frontend Architect - React AI

Location
City Of London, England, United Kingdom
Description: UI Developer (React, TypeScript and AI) Role Overview- We are seeking a highly skilled UI Developer with strong expertise in building time-critical, high-availability, and high-performance applications. The ideal candidate will have hands-on experience across the full UI development lifecycle, including design, development ...

Site Reliability Engineer, Infrastructure - ThousandEyes

Location
City Of London, England, United Kingdom
powered assurance insights within Cisco’s Networking, Security, Collaboration, and Observability portfolios. Our distributed Site Reliability Engineering team of approximately nine engineers owns the availability, latency, performance, efficiency, monitoring, emergency response, and capacity planning of the platform while partnering closely with application development teams. We believe in operations, infrastructure … scale, highly available distributed systems that allow the ThousandEyes platform to process a constantly growing volume of telemetry data.Use AI Tooling to w rite high-quality code and automated solutions that enable fast, reliable releases, reduce operational expense, and allow our infrastructure and platforms to scale thoughtfully across regions. ...

Senior Software Engineer (Java)

Location
City Of London, England, United Kingdom
electronic trading environments Lead performance tuning, optimisation, and refactoring of low‐latency trading components Investigate and resolve production issues, ensuring system stability and high availability Collaborate with global teams, including Architecture, DevOps, and Product Mentor and guide engineers to improve technical capability and engineering standards Experience/Competences … Strong experience designing and building high‐performance, low‐latency Java services within electronic trading Strong experience with distributed messaging technologies (Solace/Kafka) and real‐time systems Strong experience designing and building event‐driven systems deployed to cloud environments (AWS, EC2, EKS, Kubernetes) Experience with memory architectures and network ...

Microsoft Azure, Messaging & Collaboration Lead

Location
City Of London, England, United Kingdom
support of Microsoft 365 services including Exchange Online, Teams, OneDrive, and SharePoint Online. Design, implement, and maintain messaging and collaboration solutions to ensure high availability and performance. Manage mail flow, email security, retention, archiving, and compliance policies. Endpoint & Mobility Management Manage and support Microsoft Intune and Mobile Device ...

Trade Floor Operations - FICC

Location
City Of London, England, United Kingdom
Responsibilities: Provide end-to-end production support for Fixed Income trading platforms (Rates, Credit, FX, Bonds, Derivatives). Monitor and maintain system health, ensuring high availability and low latency of critical trading applications. Support and enhance monitoring capabilities using ITRS Geneos, initially within FICC and expanding to other ...

MLOps Engineer

Location
City Of London, England, United Kingdom
MLOps Engineer (Platform/DevOps) - AI Platform - 3 days per week onsite We\'re partnering with a leading organisation on a high-profile AI initiative, seeking an experienced MLOps/Platform Engineer to build and scale infrastructure supporting advanced AI solutions. The Role You\'ll play a key role … platform for deploying AI workloads and agents. Working closely with Data Science and Engineering teams, you\'ll ensure robust infrastructure, seamless deployment pipelines, and high platform reliability. Key Responsibilities Design, deploy, and manage AI platforms and agent infrastructure Build and maintain CI/CD pipelines and DevOps workflows Implement ...

MLOps Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
MLOps Engineer (Platform/DevOps) - AI Platform - 3 days per week onsite We're partnering with a leading organisation on a high-profile AI initiative, seeking an experienced MLOps/Platform Engineer to build and scale infrastructure supporting advanced AI solutions. The Role You'll play a key role … platform for deploying AI workloads and agents. Working closely with Data Science and Engineering teams, you'll ensure robust infrastructure, seamless deployment pipelines, and high platform reliability. Key Responsibilities - Design, deploy, and manage AI platforms and agent infrastructure - Build and maintain CI/CD pipelines and DevOps workflows - Implement ...

Oracle Database Engineer - up to £90,000 + Bonus - Hybrid

Location
City Of London, England, United Kingdom
environments Design and manage backup and recovery using RMAN, Flashback, Data Pump and established migration methodologies Administer Oracle ASM and Data Guard to support high availability and disaster recovery Manage multi-tenant architecture, including PDB and CDB design and administration Provide L3 support across Oracle Database and Exadata ...

Senior Database Administrator Leading Financial

Hiring Organisation
Stream Search Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
diverse database estate supporting critical trading and operational systems within a leading financial exchange technology environment. Youll be responsible for database performance, availability, security, upgrades, backups, recovery and migrations , while working closely with developers and infrastructure teams. Key Responsibilities Own and manage the database environment. Ensure high availability ...

Kotlin DevOps Engineer (Google Cloud Platform)

Hiring Organisation
AMS CWS
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
strong emphasis on Extreme Programming (XP) practices, including mob programming, test first development and continuous refactoring working closely as a team to maintain a high standard of code quality and system reliability. What you'll do: Design, develop, and maintain scalable backend services using Kotlin, delivering high-quality … Cloud SQL, Memorystore Key Management Terraform CI/CD and SDLC experience in a regulated/enterprise environment. Comfortable working in production systems with high availability and correctness requirements. Deutsche Bank's Values Our values define the working environment we strive to create - diverse, supportive and welcoming ...

SAP Technical Architect

Location
City Of London, England, United Kingdom
across SAP S/4HANA, SAP ECC, SAP BTP, SAP PI/PO, SAP Fiori/UI5, and integrated enterprise systems. This role ensures high‐performance, scalable, secure, and future‐ready SAP solutions that align with business strategy and IT roadmaps. The architect collaborates closely with business leaders, solution … system landscape design, including DEV/QAS/PRD/DR environments. In‐depth knowledge of SAP Basis, system sizing, performance tuning, high‐availability (HA) and disaster recovery (DR) configurations. Strong experience with SAP HANA database architecture, optimization, backup/restore strategies, and security. Expertise in SAP integration ...

Senior Scala Engineer - Hybrid, SC Cleared, High-Impact APIs

Location
City Of London, England, United Kingdom
Stratford, London is seeking a Senior Scala Engineer to define and shape backend services and APIs for fraud detection. You will work on high-availability, low-latency systems and collaborate with cross-functional teams in a lean, agile environment. You will design, develop and maintain clean backend code ...