26 to 50 of 80 High Availability Jobs in London

Software Developer (Java & Typescript)

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
services using Java and TypeScript . Build and support RESTful APIs and micro services using Express.js and related technologies. Deliver secure, scalable and high-performing software solutions within Defence and Government environments. Work across the full software development life-cycle, from requirements through to deployment and live service support. … technologies including Docker and Kubernetes . Experience working with event-driven architectures and messaging technologies. Familiarity with Infrastructure as Code (IaC) approaches. Experience developing high-availability, mission-critical or operationally critical systems. Understanding of secure cloud environments and cloud-native architectures. Technology Environment Java TypeScript Express.js ...

Platform Engineering Specialist - Database Infrastructure

Hiring Organisation
TurleyWay Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
passionate about building and operating highly scalable database platforms? Have you administered and optimised mission-critical PostgreSQL environments in cloud-first organisations, ensuring performance, availability and resilience at scale? Can you demonstrate broad technical knowledge across Platform Engineering, DevOps and Infrastructure, alongside experience with automation and scripting using Python … Engineering, Platform Engineering, DevOps or Infrastructure roles with a strong focus on database administration. You'll possess deep expertise in PostgreSQL , including performance tuning, high availability, replication and operational support within Azure-based environments. You will have strong Linux systems administration skills, experience with database automation and infrastructure ...

SQL Server Architect - DV Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£590 - £610/day
migration of an enterprise-scale SharePoint platform from on-premises infrastructure to AWS. The initial eight-week Proof of Value will assess SQL Server high availability, disaster recovery and performance options, with the potential to progress into a detailed architecture and design phase through … cost-effective platform. Essential Technical Skills 10+ years' Microsoft SQL Server architecture and engineering experience (SQL Server 2016+). Strong experience with Always On Availability Groups, Failover Cluster Instances (FCI) and HA/DR solutions. Experience supporting large-scale SharePoint farms and SQL Server databases. Strong SQL Server performance ...

Senior Java Developer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
management, and preferred work experience in batch processing. As a Senior Java Developer, you will play a crucial role in designing, developing, and maintaining high-performance applications that meet our business needs. Key Responsibilities: Design and Development:Design and development of robust, scalable, and efficient Java applications. AWS Integration … Utilize AWS services to build and deploy cloud-based solutions, ensuring high availability and scalability. Database Management:Design, implement, and maintain database schemas, write complex SQL queries, and optimize database performance. Batch Processing:Develop and manage batch processing systems to handle large volumes of data efficiently. Code Quality ...

Senior Java Developer

Hiring Organisation
Version 1
Location
London, UK
Employment Type
Full-time
management, and preferred work experience in batch processing. As a Senior Java Developer, you will play a crucial role in designing, developing, and maintaining high-performance applications that meet our business needs. Key Responsibilities: Design and Development: Design and development of robust, scalable, and efficient Java applications. AWS Integration … Utilize AWS services to build and deploy cloud-based solutions, ensuring high availability and scalability. Database Management: Design, implement, and maintain database schemas, write complex SQL queries, and optimize database performance. Batch Processing: Develop and manage batch processing systems to handle large volumes of data efficiently. Code Quality ...

Global Platform Team Lead & Senior Director - Identity Security

Hiring Organisation
The Boston Consulting Group
Location
London, UK
Employment Type
Full-time
based identity providers. Drive AD modernisation towards a strategic, cloud-based identity foundation, reducing legacy dependencies while maintaining operational stability. Ensure directory services meet high availability, performance, and security standards across global BCG offices and hybrid environments. Embed automation into directory lifecycle management, provisioning, and group policy governance. … rationalise the identity tooling landscape, ensuring the portfolio is coherent, integrated, and aligned with future-state architecture. Leadership & Talent DevelopmentBuild and lead a high-performing, globally distributed Identity Security team across Directory Services, PAM, IGA, and Secure Data disciplines. Foster a culture of automation-first engineering, continuous learning ...

Principal Consultant Kafka Admin

Hiring Organisation
Infosys Technologies
Location
London, UK
Employment Type
Full-time
Kafka KRaft or ZooKeeper-backed if legacy), Confluent Platform components (Schema Registry, Kafka Connect, ksqlDB, REST Proxy, Control Center), and Confluent Cloud resources. Ensure high availability (HA) and resilience across multi AZ/region deployments; manage partition replication, min.insync.replicas (ISR), and rack awareness. Implement and maintain client quotas ...

Python Application / DevOps Engineer

Hiring Organisation
CBSbutler Holdings Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£650 - £100000 per day + InsideIR35
Hybrid Permanent - £85K - £100K + Bonus + Full Benefits Financial Services Firm is hiring for an experienced Python Application DevOps Engineer to join a high-performing engineering team supporting critical technology platforms. This is a hands-on role focused on Python automation, production stability, application resilience and continuous improvement … within a complex, high-volume technology environment. You will work across application, infrastructure and engineering teams to improve the reliability, scalability and operational performance of business-critical platforms. Responsibilities: * Develop Python-based automation and tooling to improve operational efficiency. * Support and enhance critical production applications and services. * Drive improvements ...

.NET Developer

Hiring Organisation
Hastings Direct
Location
London, England, United Kingdom
Technology Engineering team, designing, building and maintaining modern, scalable .NET applications. You’ll work closely with engineers, product and business teams to deliver high-quality solutions using C# and .NET, build APIs and microservices, and explore opportunities to integrate emerging AI technologies into our systems and processes. This … develop your expertise across both software engineering and AI within a supportive, innovative and forward-thinking environment.Your responsibilities will includeDesigning, developing and maintaining scalable, high-availability applications using C# and .NET.Building RESTful APIs and microservices that integrate effectively across our technology landscape.Collaborating with Engineering, Product and business teams ...

Lead DevOps Engineer

Hiring Organisation
EPAM Systems Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
hybrid working mode. In this role, you will support mission-critical derivatives trading systems and Real Time market data platforms, ensuring high availability, resilience and compliance with industry regulations. You will work closely with global partners, trading desks and engineering teams to implement best-in-class deployment practices … deployment automation processes for mission-critical systems Operational experience with OMS/EMS platforms (such as TT, Bloomberg, NYFIX) Strong incident management capabilities in high-pressure environments Excellent analytical and problem-solving skills with a proactive approach Nice to have Experience in commodity trading and supply operations, ideally within ...

Senior VMWare Engineer

Hiring Organisation
Henderson Scott
Location
London, England, United Kingdom
enterprise virtualisation estate. In this role, you will lead the design, implementation, optimisation, and lifecycle management of core VMware platforms, balancing high-availability operational support with strategic modernisation initiatives. Key Responsibilities Platform Ownership: Design, administer, and optimise core VMware infrastructure platforms, including vSphere, ESXi, vCenter, and VMware Cloud ...

Data Engineer

Hiring Organisation
GSK
Location
Greater London, United Kingdom
Employment Type
Full Time
#LI-GSK #LI-Hybrid #AGTech Skills Agile Methodology, API Management, CI/CD, Cloud Based Services, Computer Programming, Configuration Management (CM), Containerization, Database Management, High Availability (Inactive), Infrastructure As Code (IaC), Microservices Architecture, Network Security, Operating Systems (OS), System Monitors, Version Control System Why GSK? Uniting science, technology ...

OpenShift Senior Engineer (Kubernetes/OpenShift)

Hiring Organisation
Lloyds Banking Group
Location
London, England, United Kingdom
this opportunityThis is a technical leadership role shaping the future of the OpenShift and Private Cloud platform at Lloyds Banking Group. You’ll lead high-impact engineering initiatives across squads and stakeholders, with accountability for outcomes critical to resilience, security, regulatory compliance and customer experience.You’ll set the technical … through others, while remaining hands-on where it matters.Strategy, architecture and innovationSet technical direction and architectural guardrails for OpenShift and supporting hybrid cloud services.Lead high-impact design decisions covering resilience, security, scalability, compliance and sustainability.Evaluate emerging capabilities, vendor roadmaps and proofs of concept, turning them into practical adoption plans.Delivery ...

Engineering Manager - Core Infrastructure (Remote)

Hiring Organisation
CrowdStrike
Location
London, UK
Employment Type
Full-time
team builds the foundational platform that powers CrowdStrike's massive scale. We focus on creating self-service infrastructure-as-a-code primitives, ensuring high availability, and optimizing our cloud footprint to empower our engineering teams to move faster with confidence. What You'll Do: Please note that … services for service teams at CrowdStrike. Participate in regular retros, capacity and planning meetings with your team, allowing team collaboration and discussions in a high fidelity manner. Be part of "lunch and learn" demos: for new POCs or design sessions to work out new architectures. Flexible working - with transparent ...

Senior Director, Lead Engineer & Architect (Full Stack / Blockchain)

Hiring Organisation
The Bank of New York Mellon
Location
London, UK
Employment Type
Full-time
London. In this role, you'll make an impact in the following ways: Own the end-to-end technical architecture of a new, high-profile platform that combines modern web applications, distributed services and distributed ledger technology. Lead and grow a team of full-stack engineers as a hands … Design and build front-end and back-end components, and their integration with smart contracts and the ledger layer, holding the team to a high standard of clean, well-tested, maintainable code. Define and evolve the platform's architecture for usability, scalability, performance, security and resilience, making pragmatic trade ...

Senior Java Developer

Hiring Organisation
Luxoft
Location
London, UK
Employment Type
Full-time
Luxoft Financial Services - an award-winning provider of technology solutions dedicated to the Financial Services sector. We are building a new high-impact engineering squad in Bucharest to deliver a critical Financial Markets Clearing Platform for FX Swaps, a key component in the global clearing ecosystem. This initiative … testing, production deployment, and post-go-live support. Responsibilities Responsibilities Design and deliver the FX Swaps clearing product within Global Clearing Solution Low-latency, high-throughput Java/Spring Boot microservices Ensure system compliance with performance, resilience, and security standards Integrate with external FX trading venues (e.g., FX Matching ...

Infrastructure Architect - Active SC & NPPV3 Clearance

Hiring Organisation
Investigo
Location
London, UK
Employment Type
Full-time
modernisation programmes. Strong understanding of infrastructure domains including networking, hosting, identity, storage, end-user computing, and platform services. Expertise in resiliency, disaster recovery (DR), high availability, business continuity, and secure-by-design principles. Experience with infrastructure consolidation, platform rationalisation, automation, Infrastructure-as-Code (IaC), and cloud-native technologies. ...

Director of Site Reliability Engineering

Hiring Organisation
EPAM Systems
Location
London, UK
Employment Type
Full-time
Code (Terraform or CloudFormation), and CI/CD practicesDeep understanding of incident management processes, ITSM standards, and ITIL principlesKnowledge of resilience design patterns, high availability, and fault-tolerant architecturesFamiliarity with AI/ML-driven approaches for operational efficiency and system reliabilityAbility to lead transformation, influence across teams ...

Staff enterprise technology engineer

Hiring Organisation
BP Energy
Location
Sunbury-On-Thames, London, United Kingdom
Employment Type
Work From Home
operations and transformation agenda. Successful delivery of SAP platform strategy and transformation outcomes, enabling cloud adoption, AI innovation, technology simplification and reduced technical debt. High-performing SAP Platform services that consistently meet agreed availability, recoverability, security, compliance and customer experience objectives. Optimised technology investments and supplier partnerships, delivering … measurable business value through effective financial management, license governance, commercial oversight and strategic vendor engagement. A high-performing global SAP Platforms organisation with deep technical capability, clear accountability, engaged teams and effective succession planning. Trusted technology leadership and governance, providing strategic direction, informed decision-making and effective management ...

Backend Kotlin Engineer - Banking

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. Experience with Typescript and/or React (desirable). Proven DevOps Engineer experience (desirable). Deutsche Bank's Values ...

Backend Kotlin Engineer - Banking

Location
Islington, North London, United Kingdom
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. Experience with Typescript and/or React (desirable). Proven DevOps Engineer experience (desirable). Deutsche Bank's Values ...

Lead Software Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
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 ...

Senior Network Engineer (AWS & Python)

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£580 - £630/day Inside IR35 (Negotiable rate)
trading platform. The organisation operates a complex global technology estate, with network infrastructure connecting data centres, offices, cloud environments and critical trading services. Network availability, resilience, security and low-latency performance are fundamental to its operations. This is a hands-on senior engineering position offering significant technical ownership across … critical network infrastructure. Strong technical knowledge of enterprise and data centre networking. Hands-on understanding of: BGP, OSPF , Routing and switching Network resilience and high availability Network troubleshooting and incident resolution Ability to manage network changes within highly available production environments. Desirable Experience Experience with AWS networking . ...

Member of Technical Staff, Full Stack

Hiring Organisation
FBI &TMT
Location
City of London, London, United Kingdom
Employment Type
Permanent
tools such as React Query and Tailwind Contribute to infrastructure, system architecture and cloud-native engineering decisions Work on distributed systems, real-time processing, high availability and system performance Collaborate effectively with AI, product and infrastructure teams to deliver reliable features Support API testing and maintain high ...

Fixed Income Application Support Specialist

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
Bloomberg eTrading/TOMS/eTOMS, ION Anvil or comparable trading platforms. Experience supporting releases, deployments, infrastructure changes and production readiness. Understanding of high-availability and resilient production environments. Candidates will need to show evidence of the above in their CV in order to be considered. ...