201 to 225 of 486 High Availability Jobs in London

Senior Multi-Cloud DevOps & Infra Engineer

Location
Greater London, England, United Kingdom
Senior DevOps & Cloud Infrastructure Engineer to design, automate, and scale multi-cloud infrastructure across AWS, Google Cloud, and Vercel, with a focus on high availability and secure deployments. You will build robust CI/CD pipelines, manage Kubernetes workloads, and collaborate with engineering teams to implement IaC (Terraform … OpenTofu) and optimize deployment pipelines for a high-traffic SaaS product. #J-18808-Ljbffr ...

AMBG - Cloud Security & Exposure Management Architect

Location
Greater London, England, United Kingdom
passionate about improving reliability, continuity, and disaster recovery capabilities of enterprise cloud environments. You will work closely with customers to provide high-impact assessments and practical recommendations to strengthen operational resilience. Core to the Role Assess the resiliency posture of customer environments from both technical and operational perspectives. Evaluate … proven ability to assess complex environments, identify risks, and deliver clear, actionable recommendations to both technical and executive stakeholders. Professional Skillset Deep experience with high availability and disaster recovery design in Microsoft Azure. Strong understanding of Azure architecture including availability zones, backup, recovery, and monitoring services. Familiarity ...

Senior Engineer (Fincrime)

Hiring Organisation
ebury
Location
London, UK
Employment Type
Full-time
team is responsible for Ebury's AML (Anti-Money Laundering) platform. We are seeking a Senior Software Engineer to help us build and maintain high-reliability, low-latency systems that directly impact our regulatory compliance. In this role, you will work on mission-critical features, including real-time sanctions … highest standards of safety and auditability in a regulated global environment. ResponsibilitiesContribute to the development of our AML platform's services, focusing on high reliability and scalability for real-time sanctions screening and transaction monitoring. You will be responsible for both delivering new features and improving/automating existing ...

Back-End Engineer, Trading

Location
Greater London, England, United Kingdom
trading workflows to client-facing APIs. Develop and improve services for order management, market data processing, and trade lifecycle handling in a real-time, high-volume environment. Build and maintain REST APIs and WebSocket streams that deliver real-time prices, order updates, and account data. Collaborate with cross-functional … teams — product, frontend, trading — to adapt the platform quickly to new features and market conditions. Ensure high availability, reliability, and scalability of trading services, with a sharp focus on latency, observability, and testing. Contribute to architecture discussions and technical decisions, writing clean, maintainable code and sharing knowledge across ...

Back-End Engineer, Trading

Hiring Organisation
Blockchain
Location
London, UK
Employment Type
Full-time
trading workflows to client-facing APIs. Develop and improve services for order management, market data processing, and trade lifecycle handling in a real-time, high-volume environment. Build and maintain REST APIs and WebSocket streams that deliver real-time prices, order updates, and account data. Collaborate with cross-functional … teams — product, frontend, trading — to adapt the platform quickly to new features and market conditions. Ensure high availability, reliability, and scalability of trading services, with a sharp focus on latency, observability, and testing. Contribute to architecture discussions and technical decisions, writing clean, maintainable code and sharing knowledge across ...

Senior Linux Infrastructure Engineer - Systems & Platform

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
PlatformLondon – Hybrid200,000-350,000 totalQuant Capital is partnered with a global systematic trading firm seeking a Senior Linux Infrastructure Engineer to join a high-impact platform engineering function. The team owns core infrastructure across datacentres, cloud environments and global offices, supporting both investment activity and large-scale engineering … workloads. This role suits a deeply technical engineer who understands large distributed systems, low-level Linux internals, and the realities of running secure, high-availability infrastructure at scale. What you'll do Design, operate and improve global Linux-based infrastructure Engineer secure, reliable systems across datacentres, cloud ...

Senior Linux Infrastructure Engineer - Quant Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
PlatformLondon – Hybrid200,000-350,000 totalQuant Capital is partnered with a global systematic trading firm seeking a Senior Linux Infrastructure Engineer to join a high-impact platform engineering function. The team owns core infrastructure across datacentres, cloud environments and global offices, supporting both investment activity and large-scale engineering … workloads. This role suits a deeply technical engineer who understands large distributed systems, low-level Linux internals, and the realities of running secure, high-availability infrastructure at scale. What you'll do Design, operate and improve global Linux-based infrastructure Engineer secure, reliable systems across datacentres, cloud ...

Software Engineer

Location
Greater London, England, United Kingdom
with the Smarkets product roadmap. Smarkets is looking for talented and passionate engineers like you for an exciting opportunity to create a unified and high‐performing system that will not only optimize our services but also elevate Smarkets to new heights of success. We believe in using the best … critical path operations and a slower interpreted one (Python) for others. Our Kafka pub/sub MQ, the heart of our system, offers high availability, low latency and message persistence. We provide gRPC and HTTP APIs for various metadata, while PostgreSQL and ElasticSearch serve ...

Full Stack Engineer

Location
Greater London, England, United Kingdom
identity management, as well as SAML 2.0 and Single Sign‐On protocols. Must be capable of effectively implementing and troubleshooting SSO and SCIM integrations. High‐Quality Code: Proven track record of writing clean, testable, and maintainable code that meets high standards of software quality. A developer who consistently … levels‐up the code base. Problem‐Solving & Scalability: Strong problem‐solving skills, with the ability to develop scalable and durable features in high‐availability environments. Adaptability & Communication: Ability to thrive in a fast‐paced, dynamic environment, with excellent communication skills to support both internal teams and external customers. ...

KDB Software Engineer III

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problemsDevelops secure high-quality production code, and reviews and debugs code written by othersAdds to team culture of diversity, equity, inclusion, and respectDevelop core systems and frameworks … data organization, performance implications of different approaches. Practical experience developing/running large datasets and optimizing query performance. Practical experience building resilient and high-availability KDB applications. Preferred qualifications, capabilities, and skillsExperience in Terraform and Kubernetes from managing a Production Plant in Public Cloud. AWS Experience. Experience other ...

SAP BTP Architect

Location
Greater 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 ...

Software Engineer III - KDB

Location
Greater London, England, United Kingdom
design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems Develops secure high-quality production code, and reviews and debugs code written by others Adds to team culture of diversity, equity, inclusion, and respect Develop core systems … data organization, performance implications of different approaches. Practical experience developing/running large datasets and optimizing query performance. Practical experience building resilient and high-availability KDB applications. Preferred qualifications, capabilities, and skills Experience in Terraform and Kubernetes from managing a Production Plant in Public Cloud. AWS Experience. Experience ...

KDB / Q - Lead Software Engineer - Vice President

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problemsDevelops secure high-quality production code, and reviews and debugs code written by othersIdentifies opportunities to eliminate or automate remediation of recurring issues to improve overall operational … experience developing/running large datasets and optimizing query performance. Practical experience scaling and load-balancing of KDB applications. Practical experience building resilient and high-availability KDB applications. Preferred qualifications, capabilities, and skillsExperience with market data venue and vendor data platforms. AWS Experience. Experience in Terraform and Kubernetes ...

KDB / Q - Lead Software Engineer - Vice President

Location
Greater London, England, United Kingdom
design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems Develops secure high-quality production code, and reviews and debugs code written by others Identifies opportunities to eliminate or automate remediation of recurring issues to improve overall … experience developing/running large datasets and optimizing query performance. Practical experience scaling and load‐balancing of KDB applications. Practical experience building resilient and high‐availability KDB applications. Preferred qualifications, capabilities, and skills Experience with market data venue and vendor data platforms. AWS Experience. Experience in Terraform ...

Identity Infrastructure Engineer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£447/day £447 per day (inside IR35)
regulated environment, supporting critical Identity and Access Management (IDAM) services. Working closely with security, engineering and IDAM teams, you will help maintain the resilience, availability and security of core identity infrastructure platforms. Your new role As a Senior Identity Infrastructure Engineer, you will be responsible for the administration, support … archival Experience supporting enterprise PKI environments. Infrastructure Platforms Windows Server 2016, 2019 and 2022 administration. PowerShell scripting and automation. Security hardening and privileged administration. High availability and disaster recovery planning. Infrastructure monitoring and operational support. Identity Technologies Working knowledge of: Microsoft Entra ID Microsoft Entra Connect/Cloud ...

Senior Java Architect

Location
Greater London, England, United Kingdom
payments platforms. The role requires deep expertise in payments, banking operations, messaging architectures, cloud-native platforms, AI-driven engineering, and enterprise solution architecture.Key ResponsibilitiesArchitect high-volume payment platforms covering real-time payments, SWIFT, ISO 20022, settlement, reconciliation, and compliance.Design event-driven and messaging architectures using Kafka, NATS, and microservices.Drive … 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.Preferred QualificationsBanking or Financial Services background.Experience leading large-scale transformation and modernization programs.TOGAF, Kubernetes, Cloud ...

Senior Platform Engineer - Boutique Hedge Fund - London

Location
Greater London, England, United Kingdom
developers and quant teams. You will work closely with cross-functional teams to deliver a fully automated, self-service platform, ensuring seamless deployment and high availability across critical systems. This is an opportunity for someone to build a team from scratch and make an impact from day one. … increase on any base salary and is known for offering highly competitive bonuses. In addition, they provide an excellent benefits package and a collaborative, high-performance environment where engineers are empowered to make an impact. #J-18808-Ljbffr ...

Senior Software Engineer, CoinDesk Media

Location
Greater London, England, United Kingdom
that provides market infrastructure and information services. These include: Bullish Exchange – a regulated and institutionally focused digital assets spot and derivatives exchange, integrating a high-performance central limit order book matching engine with automated market making to provide deep and predictable liquidity. Bullish Exchange is regulated in Germany, Hong … market intelligence for millions of readers worldwide. We are responsible for the architecture, development, and optimization of coindesk.com, the CoinDesk mobile applications, and the high-availability services layer behind both. What You’ll Do: Autonomous Problem Discovery: Spot critical gaps and unassigned challenges across our architecture before they ...

Platform Security Engineer (Tanium/Sentinel)

Location
Greater London, England, United Kingdom
environments. Deploy, configure, and manage End Point Security including Tanium modules including Asset, Patch, Deploy, Threat Response, and Comply. Monitor system performance and ensure high availability and reliability of End Point security services. Develop and maintain dashboards, reports, and queries to support IT operations and security teams. Collaborate … MacOS operating systems. Excellent problem-solving and communication skills. Ability to work independently and as part of a team. Benefits We have a high-performance culture which is balanced evenly with world-class well-being initiatives and benefits: Flexible Working: Balance your work and personal life with our flexible ...

Production Engineer – Trading & Electronic Trading Systems

Location
Greater London, England, United Kingdom
Production Engineer – Trading & Electronic Trading Systems Join MARGO in the UK (London) MARGO is a tech-native consultancy delivering high value-added IT expertise to the financial services industry. We operate in complex Front Office environments where trading activity relies on highly available, performant and resilient production systems. … working across teams to improve reliability and performance. Key Responsibilities Production Ownership & Reliability Operate and support Front Office trading systems in production Ensure high availability, stability and performance during market hours Own incident management from detection to resolution and root cause analysis Participate in on‐call or production ...

IAM Engineer - SSO – Carnaby Street, London

Location
Greater London, England, United Kingdom
access onboarding, configuration, and lifecycle management.* Troubleshoot and resolve complex authentication, authorization, and federation issues impacting users or applications.* Ensure access management services meet availability, performance, and resiliency requirements in a global environment.* Support audit, compliance, and security review activities related to access controls and authentication mechanisms.* Maintain technical … technical discipline.* Experience with passwordless authentication technologies and modern identity standards.* Familiarity with Zero Trust and conditional access models.* Experience supporting authentication services in high-availability, 24x7 enterprise environments.* Experience with identity verification solutions and technolgies.* Professional certifications such as Ping Identity Certified Professional, Microsoft Certified: Identity ...

PostgreSQL DBA

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
PostgreSQL DBA – Quant Trading120,000 Plus BonusQuant Capital is urgently looking for a PostgreSQL DBA to join our high profile client. Our client is a well known quantitative proprietary trading firm, liquidity provider and market maker. They operate globally and are considered to be a market leader in their … they know, and in learning from you. The Database Specialist role will be part of a global systems team responsible to deliver highly available, high-performance, and scalable infrastructure to support trading and research. As part of the team, this role will be focused on working collaboratively with internal ...

PostgreSQL DBA - Quant Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
PostgreSQL DBA – Quant Trading 120,000 Plus Bonus Quant Capital is urgently looking for a PostgreSQL DBA to join our high profile client. Our client is a well known quantitative proprietary trading firm, liquidity provider and market maker. They operate globally and are considered to be a market leader … they know, and in learning from you. The Database Specialist role will be part of a global systems team responsible to deliver highly available, high-performance, and scalable infrastructure to support trading and research. As part of the team, this role will be focused on working collaboratively with internal ...

Principal Security Design Consultant

Location
Greater London, England, United Kingdom
playbooks. Design secure integrations with ITSM, CMDB, threat intelligence, vulnerability management, identity, network and incident response processes. Produce and own architecture artefacts including requirements, High-Level Designs (HLDs), Low-Level Designs (LLDs), reference patterns, design decisions, migration roadmaps, test criteria and as-built assurance. Broader security architecture: Lead architecture … data residency considerations. Demonstrable leadership, stakeholder management, supplier management and client‐facing consulting skills. Experience delivering significant work outcomes within complex, regulated or high‐availability enterprise environments. Eligibility for UK Security Clearance (successful appointment will be subject to being granted Security Clearance). Levels of responsibility: SFIA Level ...

Lead Data Engineer

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
internal analytics across SwapClear and Listed Rates. Given the scale, criticality and regulatory scrutiny of this data, the platform is subject to exacting availability, accuracy, lineage and governance requirements. LCH has embarked on a strategic transformation of its Reporting & Data Analytics architecture, moving from legacy on-premise Oracle/… Strategic Cloud data platform, ensure it is fit for purpose for SwapClear and Listed Rates use cases. Ensure the E2E platform meets availability, performance, resilience and security expected of a "systemically important" clearing house. Assists Product Owners and Delivery Leads with delivery planning of business goals/outcomes. ...