1 to 25 of 50 High Availability Jobs in the City of London

their talents, skills, and unique experience in an inclusive environment that helps them thrive. We are happy to be recruiting for one of our high-profile banking clients. They are currently looking for a Business Analyst with knowledge of (Finance Systems) to join them for an initial 5 month … within the projects. Knowledge, Skills & Experience: Experience of working within a complex delivery environment Analysis/design of financial transaction matching & reconciliation workflows in high-volume/high-availability, time-Critical Use Cases that leverage multi-vendor infrastructure and inputs Analysis of financial reporting operational workflows ...

world-class platform. Day-to-day of the role: Own and manage the cloud infrastructure, ensuring scalability, resilience, and security. Implement and maintain high-availability architectures across critical services and data layers. Design and optimise infrastructure to support AI-powered workloads and data pipelines. Lead cost optimisation initiatives … roles. Strong hands-on experience with AWS, Docker, Kubernetes, and Terraform. Proficiency in CI/CD pipelines and Linux systems administration. Deep understanding of high-availability architecture, networking, load balancing, and distributed systems. Proven experience supporting production SaaS environments. Strong understanding of monitoring and observability tooling. Excellent scripting ...

Responsibilities Design, deploy, and maintain LAN, WAN, WLAN, and VPN infrastructure Monitor network performance and troubleshoot issues to ensure high availability Configure and manage routers, switches, firewalls, and load balancers Implement and maintain network security measures, including firewalls, IDS/IPS, and access controls Perform network upgrades, patches … with cloud networking (AWS, Azure, or GCP) Knowledge of SD-WAN, VoIP, or wireless networking Scripting or automation experience (Python, Bash, Ansible) Experience in high-availability or enterprise-scale environments Soft Skills Strong analytical and problem-solving skills Excellent communication and documentation abilities Ability to work independently ...

supports sustainable, profitable growth. Developing and maintaining a clear, prioritised technology roadmap aligned to business objectives and commercial outcomes. Ensuring systems architecture supports high-volume transactions, real-time data processing, and secure integration with third-party platforms, including trading, ERP, logistics, and treasury systems. Overseeing infrastructure, DevOps … operations to ensure high availability, performance, security, and resilience across global operations. Driving automation and process improvement across the trade lifecycle, inventory management, and logistics coordination. Building, leading, and developing high-performing technology and engineering teams, fostering a delivery-focused and collaborative culture. Implementing effective governance, risk ...

progression there are regular opportunities for cross team moves. Dedicated personal training budget – supporting certifications, cross-skilling, and long-term development Balanced working culture – high performance without the burnout typically associated with investment banking Great company size (c.800 people) – large enough for ongoing investment and greenfield projects, small enough … security hardening, patching, and compliance initiatives Collaborating with cloud, networking, EUC, and application teams on infrastructure projects Troubleshooting complex Windows-related incidents in a high-availability environment Producing clear documentation and contributing to operational best practice Required Experience Strong hands-on experience as a Windows Engineer/Infrastructure ...

Software Engineering (Relocation to Kuwait) Location: Kuwait (Full Relocation Required) Industry: High-Traffic eCommerce/Digital Platforms Reporting to: C-Level Executive/Board Team Size: 100+ engineers (scaling) 🌍 About the Role We are a high-growth, high-traffic eCommerce company operating at regional scale, processing millions … visibility. 🎯 What You Will Own Full accountability for engineering strategy, delivery, and reliability Scaling and leading large, multi-disciplinary engineering organizations Architecture ownership for: High-availability, high-traffic platforms Cloud infrastructure, microservices, data platforms Engineering governance: SDLC, quality, security, observability, cost control Talent strategy: Hiring, structuring, succession ...

York, and Asia, the firm manages capital across multiple asset classes, supported by a world-class infrastructure and proprietary technology stack. Renowned for its high-performance engineering culture, the organisation empowers technologists to design, build, and operate systems that directly underpin trading and investment decision-making. As trading volumes … firm’s ambitious technology roadmap. What You’ll Get Competitive base salary with performance-related bonus Private healthcare and pension contributions Exposure to a high-calibre, global trading and technology environment Opportunities for professional development and advanced certifications A collaborative, high-trust culture that values engineering excellence ...

systems, including servers, networks, storage, virtualisation platforms, and cloud environments (e.g., AWS, Azure, or Google Cloud). Monitor system performance, troubleshoot issues, and ensure high availability and reliability of IT services. Lead infrastructure-related projects, including upgrades, migrations, and deployments, from planning to execution. Develop and maintain comprehensive ...

This role is ideal for a seasoned technologist who thrives on solving complex challenges, driving innovation, and actively contributing to the development of scalable, high-performance enterprise applications. You’ll lead architectural design while remaining deeply involved in implementation, reporting to the Head of Financial Messaging Engineering, working side … limited to the following: Translating complex financial requirements into scalable technical solutions in collaboration with Product, Compliance, and Business stakeholders. Architecting and developing secure, high-performance financial applications Designing robust backend systems ensuring high availability and data integrity. Driving adoption of modern DevOps practices Developing and exposing ...

Senior Fullstack Engineer to build scalable Java microservices for core banking platforms. Take ownership of key components and work with a talented team on high-performance financial solutions. What you'll do as a Senior Fullstack Engineer: Design and develop Java microservices (Spring Boot, Hibernate/JPA) for backend … platforms Develop full-stack features with JavaScript frameworks (Angular) Champion CI/CD, TDD/BDD, and engineering best practices Optimize Java applications for high-volume, high-availability systems What You Need 5+ years experience as a Software Engineer with strong Java/J2EE expertise (Java 8+ ...

Senior Fullstack Engineer to build scalable Java microservices for core banking platforms. Take ownership of key components and work with a talented team on high-performance financial solutions. What you'll do as a Senior Fullstack Engineer: Design and develop Java microservices (Spring Boot, Hibernate/JPA) for backend … platforms Develop full-stack features with JavaScript frameworks (Angular) Champion CI/CD, TDD/BDD, and engineering best practices Optimize Java applications for high-volume, high-availability systems What You Need 5+ years experience as a Software Engineer with strong Java/J2EE expertise (Java 8+ ...

deliver clean, maintainable code. What you’ll do: Technical Responsibilities Analyse requirements, design, build, and maintain backend services with unit and integration tests Design high-traffic, high-availability applications and services on AWS Define and evolve REST and SOAP APIs, including customer-facing APIs Promote modular, testable ...

architecture for microservices, APIs, integrations, and data flows. Create solution blueprints, sequence diagrams, and AWS reference architectures. Drive non-functional requirements including scalability, availability, performance, reliability, DR, and observability. Cloud & Platform Engineering Design secure, scalable, and cost-optimized AWS solutions using services such as EKS/ECS, Lambda … such as OWASP, NIST, CIS Benchmarks, PCI DSS, and ISO 27001. Observability & Resilience Define logging, metrics, and tracing using OpenTelemetry and CloudWatch. Design for high availability and disaster recovery with multi-AZ setups, backups, and RPO/RTO targets. Implement resilience patterns such as circuit breakers, retries ...

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 … cloud-native Solace deployments. Why Join Us? Join a multi-discipline team, delivering advanced Messaging APIs, developing tools, administering , supporting low latency, high throughput messaging system for prices, orders, trades, and mission critical applications. Exciting opportunity to work with a wide array of technologies. Chance to further develop your ...

after detailed assessment of the existing customer landscape Provide technical leadership and mentor teams on best practices for Azure architecture and data solutions Ensure high availability, disaster recovery, and performance optimization for mission-critical workloads. Your Profile Essential skills/knowledge/experience: The resource should have … seeker, beware of fraudulent recruitment activity and protect your interests! You can write to UKI.recruitment@tcs.com to report any fraudulent activity. Due to the high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received ...

looking for experienced Network & Technology Operations Specialists to join our dynamic client teams. This is a fantastic opportunity to work in a high-performing, 24x7 operational environment, supporting critical IT infrastructure and services. What You’ll Do: Act as a key point of contact for infrastructure and network-related … Technologies You’ll Work With: Networking: Routers, Switches, Firewalls, LAN/WAN, WLAN, VPN, Palo Alto, Fortinet, Juniper, Arista. Servers & Compute: Linux environments, Hypervisors, High Performance Compute clusters. Cloud & Containers: Kubernetes, Docker, EKS, Private Cloud deployments. Automation & Scripting: Python, Bash, PowerShell, Ansible. Monitoring & Tools: SolarWinds, Dynatrace, Nagios, Zabbix, ServiceNow ...

about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture … high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support Advocate for clean code, automated testing, and CI/CD best practices Mentor other engineers and contribute to a culture of knowledge-sharing ...

Team & People Management Lead multidisciplinary agile teams including cloud engineers, DevOps specialists, analysts, and testers Mentor, coach, and support performance development to build a high-performing delivery culture Ensure effective resource planning to support sprint velocity and long-term delivery capacity Cloud Architecture & Engineering Oversight Oversee delivery of cloud … architectures, container platforms, and hybrid infrastructure solutions Guide adoption of Infrastructure as Code (IaC) and automation practices Collaborate on designs for scalability, resilience, and high availability across platforms Delivery Operations & Agile Governance Manage sprint planning, backlog prioritisation, and iterative delivery using agile methodologies Track and report delivery metrics ...

Linux Engineer – High-Performance Prop Trading Up to £200k total | London | Hybrid (4 days in-office) Are you a Linux Engineer passionate about high-performance systems and cutting-edge technology? Quant Capital is looking for a skilled engineer to join a small, global team supporting a new trading … close-knit, collaborative environment. What you’ll do: Take ownership of mission-critical Linux systems from day one. Design, operate, and improve highly available, high-performance infrastructure. Enable traders and developers to run their applications at the bleeding edge. Troubleshoot and debug complex systems using command-line tools. Automate ...

optimizing application delivery and security using Akamai. Strong focus on performance, scalability, and secure API development. Optimize system performance, ensuring low latency and high availability for media streaming services. Drive best practices in coding, architecture, and DevOps pipelines. Mentor junior engineers and contribute to technical leadership across ...

Databricks, and related Azure services. Build ETL/ELT processes to transform raw data into structured, analytics-ready formats. Optimise pipeline performance and ensure high availability of data services. Infrastructure & Architecture Architect and deploy scalable data lake solutions using Azure Data Lake Storage. Implement governance and security measures ...

Java Engineer – 6-Month Contract – Hybrid (2 days on site, London) - Day Rate: Up to £700 (Inside IR35) Join a high-performing engineering team working on large-scale, high-availability systems used by millions. This role offers the chance to build and enhance complex backend services … RESTful APIs and event-driven systems. Writing clean, testable code and following TDD principles. Working closely with DevOps, Product, and QA teams to deliver high-quality solutions. Deploying and supporting services in AWS with tools such as Lambda, ECS, S3, and CloudFormation. What we’re looking for: Strong experience ...

Lead disaster recovery and backup strategies to ensure data protection and operational continuity Oversee all aspects of the firm’s IT infrastructure to ensure high availability, performance, and resilience of services. This includes managing servers (physical and virtual), networks, storage, and cloud resources that support critical IP applications. ...

based frontend systems , primarily utilizing React to craft intuitive and highly functional user interfaces. Productize and enhance our Kubernetes-based cloud platform to ensure high-availability, scalability, and cost-efficient ML workflows. Work proficiently across the entire stack to develop and integrate new features related to model versioning ...

working to develop and maintain an automated trading application. You'll work closely with the Traders and Sales to build a low latency, high-performance eFX electronic trading system including Real-time Pricing, Risk, Price Distribution, Algo execution, and various electronic trading workflows. Embracing a hands-on approach … other ISD members for solution support may require shifts or on-call duties beyond regular working hours. Designing, implementing, and delivering complex globally distributed high availability real-time trading systems. Key Skills: OO Language - C Java/Python/Rust/C# FX Financial Markets Low-Latency Market ...