26 to 50 of 71 High Availability Jobs in London

Director of Software Engineering- J.P. Morgan Personal Investing

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
common Investment Platform. We are seeking a Director of Engineering to lead one of the Investment Platform areas within JPM Personal Investing, overseeing multiple high‐impact engineering teams. In this role, you will drive execution against the product roadmap while scaling our technology, people, and processes. You will … responsible for shaping technical strategy, building and mentoring high‐performing managers and engineers, and delivering reliable, secure, and scalable systems that support our business goals through innovation. Job Responsibilities Partner with Product to define and drive the strategy your teams will deliver across multiple time horizon Partner with Business ...

Principal Rust Engineer

Hiring Organisation
Ncounter
Location
East London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£160,000 - £180,000 per annum
compute frameworks that underpin trading, quant research, and large-scale data processing across the organisation. This is a deeply technical engineering role focused on high-performance systems, scalability, and platform reliability. You’ll work on foundational technology used by multiple engineering and investment teams, helping to shape the infrastructure … powering a world-class trading environment. What you’ll do: • Design, build, and maintain scalable distributed systems and internal frameworks using Rust • Develop high-throughput services and tooling used across research and trading platforms • Work closely with investment and technology stakeholders to deliver robust, production-grade solutions • Contribute across ...

Data Engineering Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
strategic cloud data platform, ensuring it is fit for purpose for SwapClear and Listed Rates use cases. Ensure the end‐to‐end platform meets availability, performance, resilience and security expectations of a systemically important clearing house. Assist Product Owners and Delivery Leads with delivery planning of business goals … outcomes. Act as a senior technical partner to Group Architecture Authority, Group Data Governance, Product and business partners. Partner with Quality engineering to deliver high quality software using modern testing standards, automation and cloud‐native practices. Build and maintain strong relationships with internal and external partners, using influence ...

Technical Support Specialist

Hiring Organisation
Eleveneleven
Location
W1, Marylebone High Street, Greater London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £65000/annum working from home
ability to prioritise and escalate quickly. Desired Skills of Technical Support Specialist Extensive knowledge of Windows and Linux operating systems. Experience with Virtualisation, Backup, High Availability, and Networking technologies. Track record of collaborating with internal teams to deliver solutions that meet customer expectations. Ability to manage a varied ...

T24/Transact Migration Engineer (TAFC - TAFJ)

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - 500 per day + Inside IR35
working in Agile/Scrum delivery models • Knowledge of: o CI/CD practices o DevOps tooling • Familiarity with: o Enterprise hosting environments o High availability and resilience patterns • Basic exposure to: o Payment flows/SWIFT ** SC Clearance would be highly advantageous ...

AI Platform Engineer (DevOps / MLOps Focus)

Hiring Organisation
The Portfolio Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000/annum
focused environments) Kubernetes, containerisation, and distributed systems Terraform/Infrastructure-as-Code CI/CD, automation, and platform reliability Running production workloads with high availability requirements Plus, experience with one or more of the following: MLOps or ML platform engineering RAG architectures, embeddings, or vector search Model serving ...

Technical Support Specialist

Hiring Organisation
Eleveneleven
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 65,000 Annual
ability to prioritise and escalate quickly. Desired Skills of Technical Support Specialist Extensive knowledge of Windows and Linux operating systems. Experience with Virtualisation, Backup, High Availability, and Networking technologies. Track record of collaborating with internal teams to deliver solutions that meet customer expectations. Ability to manage a varied ...

Database Infrastructure Administrator

Hiring Organisation
Mexa Solutions LTD
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £70,000 per annum
platform itself. What you'll be doing Managing and maintaining Azure SQL and SQL Server environments Monitoring database health, performance, capacity, and availability Managing backup, recovery, and disaster recovery processes Supporting incidents and troubleshooting platform issues Performing maintenance, patching, upgrades, and change activities Working within ITIL-led service management … Strong experience administering SQL Server and/or Azure SQL environments Experience supporting production database platforms in live operational environments Knowledge of backup, recovery, high availability, and disaster recovery principles Understanding of performance monitoring and capacity management Experience working within managed services, support, or service-led environments Familiarity ...

Technical Lead

Hiring Organisation
Mars
Location
Greater London, United Kingdom
Employment Type
Full Time
complex business challenges. Collaborate with cross-functional teams including business stakeholders, project managers, developers, and analysts to gather requirements and define technical specifications. Create high-level and detailed architecture designs, considering factors such as performance, security, integration, and user experience. Evaluate and recommend new technologies, tools, and methodologies … total software engineering experience, with at least 3+ years in a technical leadership or architectural design capacity. Strong experience in designing mission-critical Secure, High Availability, performant solution and deployment in large transaction volume environment. Hands-on Coding expertise with deep knowledge on using Github CoPilot, Claude Code ...

Technical Director Electrical Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
critical digital infrastructure for the world’s leading hyperscalers, cloud providers, and AI platforms. Operating across North America, EMEA, and APAC, Vantage delivers scalable, high-performance data center solutions with a focus on reliability, speed to market, operational resilience, and long-term asset value.As demand for AI-ready infrastructure … high-density compute environments, and resilient digital platforms accelerates across EMEA, Vantage continues to expand and evolve its engineering capability to support increasingly complex mission-critical infrastructure systems.The Mission Critical Engineering (MCE) team acts as the technical authority within the CTO function, responsible for engineering assurance, technical governance, reference ...

Senior Microsoft Platform Engineer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
senior, hands-on role focused on owning and evolving enterprise Microsoft platforms across SQL Server, SharePoint, Azure, web, and identity services within a high-availability, regulated environment. Key Responsibilities of the Senior Microsoft Platform Engineer: Provide third-line support for business-critical platform services Own and support … prem and cloud), IIS/web platforms, Azure services, and identity services including SSO and MFA Proactively monitor, maintain, and optimise platform performance, availability, capacity, and disaster recovery Lead complex troubleshooting, root cause analysis, and incident resolution Deliver platform upgrades, deployments, and infrastructure changes in line with change management ...

Head of Partnership Technology Delivery

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
full‐time, permanent role provides an excellent opportunity to collaborate broadly, influence at senior levels, and ensure excellence in delivery within a highly regulated, high‐stakes international education environment. If you thrive on leading transformational technology agendas in partnership ecosystems that make a global impact, this role offers … skillfully managing and resolving dependencies, risks, and delivery conflicts to achieve seamless integration and shared success. Champion operational excellence across platform operations, ensuring continuous high availability, top‐tier vendor management, rigorous service quality standards, and responsive incident management practices. Maintain stringent oversight of risk management, regulatory compliance, cybersecurity ...

Director, Principal Java Engineer (Investment Banking)

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£140,000 - £170,000 per annum
business area. This will be a hands on engineering role. This is a greenfield initiative focused on modernising and scaling internal technology capabilities through high-quality engineering and platform design. The environment is highly technical, hands-on, and focused on building reliable distributed systems within a regulated environment. … Responsibilities Design and build scalable, distributed systems handling high volumes of financial and transactional data Contribute directly to architecture, system design, and hands-on software development Drive engineering best practices across automation, testing, observability, and performance Build resilient, production-grade systems with a strong focus on reliability and scalability ...

Technology Director WonderMatrix

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
technical strategy with business objectives and customer value. Product & Platform Ownership Own the architecture, scalability, and reliability of the AI‐driven customer platform. Ensure high availability, performance, and accuracy of ML models in production. Balance experimentation with production stability. Engineering & AI Execution Lead cross‐functional teams across engineering … with Legal and Compliance on data usage and model accountability. Maintain robust security practices across data and infrastructure layers. Leadership & Collaboration Build and scale high‐performing teams in engineering, AI, and data. Act as a bridge between technical and non‐technical stakeholders. Collaborate closely with Group CTO, other divisions ...

Senior IT Support Engineer - Home Based

Hiring Organisation
Vertech Group (UK) Ltd
Location
EC1V, St Luke's, Greater London, Charterhouse Square, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum + Benefits
Defender and Teams Hands-on experience supporting AWS infrastructure and Cloudflare services Experience working within online platform, SaaS, hosting, e-commerce, gaming or other high-availability environments Strong troubleshooting and root cause analysis skills within complex production environments Ability to work remotely with 1 day per month ...

IT Applications Analyst

Hiring Organisation
Larbey Evans
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £55,000 per annum
Hybrid working (3 days office/2 days remote) You will focus on the operational support and continuous improvement of enterprise application environments, ensuring high availability, security, and performance. Key responsibilities include day-to-day maintenance, patching, monitoring, and user support across critical systems, while also contributing ...

Application Support Manager

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£475 - £500 per day
delivery, support, and continuous improvement of critical business applications, including core banking platforms. This role combines hands-on technical oversight with leadership responsibility, ensuring high availability, performance, and strategic development across application services. You will play a key role in managing both change delivery and BAU support, while ...

Java Electronic Trading Engineer – Front office

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
similar a strong plus). Knowledge of institutional encodings (FIX, SBE) and low latency messaging (e.g. Aeron, 29West). Familiarity with fault tolerant, high availability, distributed computing. Crypto/digital asset experience or genuine curiosity about the space. A right to work in the UK without sponsorship. Find ...

Microsoft PKI SME

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750/day
e.g. expiry, revocation, weak templates) Design a target-state ("to-be") PKI architecture , including: Root and subordinate CA hierarchy Certificate enrolment and lifecycle processes High availability and resilience considerations Translate existing setup into a standardised, repeatable PKI design suitable for enterprise scale Configure and optimise Active Directory Certificate ...

Solace Middleware Engineer

Hiring Organisation
Reed Talent Solutions
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 - 750 Daily
patterns optimized for low-latency trading. Configure and tune Solace brokers, message VPNs, queues, topic endpoints, and client profiles for optimal performance. Manage Solace high-availability configurations including primary/backup broker pairs and replication. Implement Solace DMR (Dynamic Message Routing) for inter-datacenter message distribution. Define ...

Senior Kotlin Engineer (XP, GCP) - Investment Banking - London

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £800 per day
Senior Kotlin engineer to support and extend a cloud-hosted platform used for bookbuilding issuances within Investment Banking Capital Markets. You will join a high-calibre London-based front office engineering team working on a next-generation issuance platform replacing a legacy bookbuilding system. This is a hands … including mob programming, test-driven development, and continuous refactoring. Engineers are expected to contribute across development, integration, and production support, collaborating closely to maintain high standards of code quality, system reliability, and performance. Required & Desirable Skills Strong commercial experience building backend services using Kotlin Experience with event-sourced ...

Senior Kotlin Engineer (XP, GCP) – Investment Banking – London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Senior Kotlin engineer to support and extend a cloud-hosted platform used for bookbuilding issuances within Investment Banking Capital Markets. You will join a high‐calibre London‐based front office engineering team working on a next‐generation issuance platform replacing a legacy bookbuilding system. This is a hands … including mob programming, test‐driven development, and continuous refactoring. Engineers are expected to contribute across development, integration, and production support, collaborating closely to maintain high standards of code quality, system reliability, and performance. Responsibilities Engineers in this role: Work primarily in mobs, sharing ownership of design and code Build ...

Senior KDB Developer - Global eTrading

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Month Contract Rate: £700 - £1000 per day This is a client facing role working in a specialised team responsible for building and enhancing a high‐performance eTrading MI and Analytics platform. The platform captures, stores, and analyses extremely large volumes of real‐time and historical data over 3TB/… stakeholders across risk, quant, trading, and sales. The platform also underpins regulatory reporting, large‐scale data processing pipelines, and backtesting workflows. This is a high performance, globally distributed environment, running hundreds of concurrent production services with multiple daily releases. Key Responsibilities Develop core components of the Global eTrading ...

Data Architect

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£360 per day
looking for an experienced Data Architect to join a major transformation initiative within financial services. This is a high-impact role where you'll define and modernise enterprise data architecture across both traditional relational platforms and cutting-edge distributed NoSQL technologies. You'll be the authority on data modelling … current and future-state enterprise data architectures. Design and deliver enterprise-wide data models, including: Domain Models Conceptual Models Logical Models Physical Models Architect high-performance data solutions across: Oracle PostgreSQL Cassandra YugabyteDB On-premise and cloud environments Define data standards, governance frameworks, modelling conventions, and metadata strategies. Drive ...

Infrastructure Engineer

Hiring Organisation
Sterling Bridge Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Salary: £70,000 £80,000 Enterprise Infrastructure | Fortinet Security Stack | Leading Property Development Company Were partnered with a leading property development company thats delivering high-profile projects across the UK and continuing to invest heavily into its internal technology environment. As the business continues to grow, theyre now looking … major part of the companys long-term growth strategy. Youll gain hands-on exposure across cloud infrastructure, enterprise networking, virtualization, cyber security, and high-availability systems , supporting critical operations across multiple offices and sites. What makes this role particularly attractive is the level of ownership and project exposure ...