13 of 13 Remote/Hybrid High Availability Jobs in Central London

Mid-Senior Ruby on Rails Engineer (B2B SaaS | Hybrid | UK)

Hiring Organisation
Transreport
Location
City of London, London, United Kingdom
deployment practices, monitoring, and long-term maintainability. Operational Accountability: Act as the technical owner of production systems that directly impact live rail operations, ensuring high availability and rapid incident resolution. Requirements Must Haves 4+ years of professional experience with Ruby on Rails. Strong understanding of object-oriented programming … your family Culture & Operating Principles We value : Ownership over hierarchy Clarity over bureaucracy Impact over job titles We operate with high autonomy and high accountability. People are expected to raise risks early, communicate clearly, and take responsibility for outcomes. Interview Roadmap Screening Call (30 mins) – Recruiter alignment Technical ...

Principal Network Solution Architect

Hiring Organisation
CACI Ltd
Location
City of London, London, United Kingdom
prospective customers (new logos). Engage with stakeholders from C-level executives to technical engineering teams , translating complex technical and business requirements into high‐level and detailed technical architectures. Provide expert consultancy on network strategy, transformation roadmaps, best practices, and emerging technologies. Build strong, long-term relationships that support … security technologies. Ensure all designs are scalable, resilient, secure, and aligned to customer requirements, technical strategy, and industry best practices Lead creation of high-quality architectural documentation, including HLA, HLD, LLD, standards, and design patterns. Ensure designs align with industry best practices, compliance requirements, and customer governance processes. ...

Site Reliability Engineer

Hiring Organisation
17918
Location
Charing Cross, West End, United Kingdom
comprise Enterprise Imaging solutions. The engineer will also participate in the Cloud Operations team activities including continuous delivery, configuration changes, performance monitoring and ensuring high availability of systems. The engineer will be an active leader on the incident management process including triaging and resolution of incidents. Schedule ...

Application Support Team Lead

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
culture is one of trust, openness, and excellence. They work in a collaborative style and take collective responsibility for successes and failures. They value high personal integrity, innovative thinking, efficient, reliable performance and spark. Within this role you will join a supportive team, where they aim to recruit … line support, answering phone calls and monitoring help desk systems, dealing with basic issues and escalating other calls to the appropriate person Maintain a high degree of customer service for all support queries Performing troubleshooting and collection of information for effective issue diagnosis and internal escalation Maintain security reference ...

Network Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £530/day
site) Level: Professional (Band P3) Are you a CCNP-level engineer with a passion for hybrid cloud environments? We are looking for a high-caliber Network Engineer to join our IT Infrastructure and Operations team for a critical 6-month project. This role sits at the heart … Institutions or UK Government sectors. Familiarity with Zero Trust architecture and modern segmentation. Why Apply? This is a chance to provide strategic oversight on high-availability systems within a regulated banking environment. You'll work with a talented IT Operations team and managed service providers to deliver reliable ...

Python Developer

Hiring Organisation
Breakthrough Talent
Location
City of London, London, United Kingdom
tech company in West London who are hiring for a Software Engineer to join their Data Cloud engineering team. They’re building out scalable, high-availability platforms using modern AWS services (ECS/EKS, Lambdas, Serverless), and need someone who enjoys working across infrastructure, backend, and DevOps tooling. ...

Principal Software Engineer

Hiring Organisation
Zorba Consulting Limited
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 - 120,000 Annual
Driving architectural decisions across distributed systems and cloud infrastructure Leading technical design reviews and influencing engineering best practices Mentoring engineers and helping scale a high-performing engineering culture Designing and optimising SQL and NoSQL data models Developing APIs, asynchronous workflows, and event-streaming pipelines Deploying secure, high availability … systems Strong architectural leadership experience Experience mentoring or leading senior engineers/teams Ability to influence technical direction across multiple workstreams Experience operating within high-scale or regulated environments Nice to have: Expertise in AWS Lambda, Fargate, SQS/SNS, DynamoDB and cloud native architectures Client-facing experience Ideally ...

Software Engineer

Hiring Organisation
Zorba Consulting Limited
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 90,000 Annual
optimising SQL and NoSQL data models Developing APIs, asynchronous workflows, and event-streaming pipelines Contributing to Vue.js frontend components where needed Deploying secure, high availability services across AWS, GCP, and Azure How Engineering Works We heavily utilise agentic coding and AI-assisted development workflows, including Claude Code … workflows and AI-assisted development Experience designing APIs and distributed systems Understanding of observability, resilience, and secure coding practices Comfortable working in regulated or high-integrity environment Nice to have: Expertise in AWS Lambda, Fargate, SQS/SNS, DynamoDB and cloud native architectures Client-facing experience Ideally experience within ...

WebMethods Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£600 - £650 per day
management, and microservices. Managing B2B protocols including EDI, AS2, FTP, HTTPS, XML, JSON, REST, and SOAP. Optimising system performance, capacity planning, and ensuring high availability. Collaborating with stakeholders, providing technical leadership, and supporting DevOps practices with CI/CD pipelines in cloud environments. What you'll bring: Deep expertise … Axway API Gateway and enterprise integration patterns. Hands-on knowledge of EDI, B2B protocols, XML, JSON, REST, and SOAP. Strong understanding of performance tuning, high-availability design, and cloud deployment. Excellent communication and stakeholder management skills. Must hold or be eligible for SC security clearance. ...

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 ...

Python Software Engineer : Quant Trading Fintech : London : £200k

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
hedge fund client who operate technologically at the top of the market are currently seeking an experienced Python Software Engineer/Developer. In this high performance computing team, you will be responsible for building automated software solutions which are used across the trading business. It is expected the successful … Science Degree or similar discipline Good commercial experience in Python Software Engineering Working in a scaled, performance based software environment building efficient, reliable/high-availability and fast applications An interest in learning Rust programming alongside Python Linux knowledge advantageous Strong interest in working ...

Applied Machine Learning Lead

Hiring Organisation
17918
Location
Westminster, West End, United Kingdom
feature engineering and model training utilising both structured and unstructured large-scale datasets. Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance. Experimentation: Design and analysis of A/B tests and offline experiments to evaluate model efficacy … . . Experience using ML Training frameworks (e.g., TFX, Kubeflow Pipelines SDK) and Model Serving technologies (eg. Tensorflow Serving, Triton, TorchServe). Experience with high-volume data processing and real-time streaming architectures. Strong understanding of recommendation system design and personalisation algorithms. Familiarity with Generative AI and its applications ...

.NET Developer

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £60,000 per annum
Developer to work out of their plush offices in the heart of London's West End. You will be working on the development of high-availability and highly-transactional .NET/C# applications which will be critical to the launch of their new online music shopping channel. ...