22 of 22 High Availability Jobs in the City of London

platform, automation capability, and database estate across critical production systems operating in a true 24/7 environment. Youll work across modern cloud infrastructure, high-availability database environments, Infrastructure as Code, automation, monitoring, and operational improvement projects with real technical autonomy. Location: Remote Salary … Server and CosmosDB Strong Infrastructure as Code (IaC) and Automation Database monitoring and performance tuning SQL replication Deep Azure background Patching, upgrades and maintenance High availability database environments Highly Desirable Skills: Terraform CI/CD pipelines Azure DevOps Kubernetes Cloud automation tooling Leading or mentoring technical teams DevOps ...

days onsite/2 days remote) I'm partnering with a leading multinational investment management firm seeking a strong C# Developer to join a high-performing engineering team delivering business-critical platforms. This role requires someone confident with strong communication skills to engage directly with stakeholders, shaping requirements … working on: Real-time asset tracking platforms integrating external data sources (e.g. Bloomberg, Refinitiv, Morningstar, market data feeds, pricing & risk engines) High-availability, high-quality distributed applications Enhancing systems that model financial positions, transactions and flows Driving projects from inception through design, build, testing and release Core ...

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. ...

Senior AI Engineer (Contract) Rate: £700/day IR35 Status: Outside IR35 Duration: 6 months (with high likelihood of extension) Location: Hybrid/Remote options available (UK-based) Security Clearance: DV Cleared The Role We are looking for a Senior AI Engineer to design, build, and deploy production-ready … applications. Kubernetes Orchestration: Containerize, deploy, and scale AI models, APIs, and microservices across production Kubernetes (K8s) clusters. Infrastructure & Scaling: Configure K8s workloads for high availability, managing resource limits, GPU provisioning, and autoscaling for heavy LLM inference workloads. Secure Engineering: Build robust, clean Python codebases that comply with strict ...

regulated financial services environment. This role is designed for hands-on engineers who operate at the intersection of Unix/Linux systems engineering and high-performance infrastructure. You will play a key role in both run (L2/L3 support) and change (migration, optimisation, transformation) activities, working within … structured, highly governed enterprise environment. Key Responsibilities Specialised Infrastructure Engineering * Design, build, configure, and optimise Unix/Linux systems supporting high-performance or low-latency workloads * Support infrastructure aligned to market data platforms, real-time processing, or grid/HPC environments * Work with high-performance networking technologies ...

Developer (React, TypeScript and Low-Latency) Role Overview- We are seeking a highly skilled UI Developer with strong expertise in building time-critical, high-availability, and high-performance applications. The ideal candidate will have hands-on experience across the full UI development lifecycle, including design, development, testing ...

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 ...

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 ...

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. ...

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 ...

define enterprise data models and integration patterns. Develop and maintain: Domain models Conceptual data models Logical data models Physical data models Design scalable and high-performance database solutions across: Relational databases (Oracle/PostgreSQL) Distributed NoSQL platforms (Cassandra/YugabyteDB) Solutions on prem or on the Cloud Define data … experience with NoSQL/distributed databases: Cassandra YugabyteDB Solid understanding of: Data normalization and denormalization Distributed data design Data partitioning and replication strategies High availability and scalability patterns Experience creating: Domain models Conceptual models Logical models Physical models Hands-on experience with data modelling tools such ...

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 ...

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. ...

Kotlin engineers to support and extend a cloud‐hosted platform used for bookbuilding issuances across Investment Banking Capital Markets. These roles will join a high‐caliber London front‐office engineering team building a new issuance platform to replace a legacy bookbuilder. This is a hands‐on engineering role with … first development, and continuous refactoring. Engineers are expected to contribute across development, integration, and production support, working closely as a team to maintain a high standard of code quality and system reliability. Location: London Required Skills • Strong commercial experience building backend services in Kotlin • Deep experience with XP practices ...

Kotlin engineers to support and extend a cloud‐hosted platform used for bookbuilding issuances across Investment Banking Capital Markets. These roles will join a high‐caliber London front‐office engineering team building a new issuance platform to replace a legacy bookbuilder. This is a hands‐on engineering role with … first development, and continuous refactoring. Engineers are expected to contribute across development, integration, and production support, working closely as a team to maintain a high standard of code quality and system reliability. Location: London Required Skills • Strong commercial experience building backend services in Kotlin • Deep experience with XP practices ...

performance profiling and optimization Bonus Points: eFX development experience in a low latency, zero GC environment Knowledge of institutional encodings (FIX, SBE) Fault tolerant, high availability, distributed computing Knowledge of low latency messaging (e.g. Aeron, 29West) Docker/Kubernetes/AWS Knowledge of Crypto ...

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 ...

user environments. This role requires a structured and analytical approach to problem-solving, with the ability to manage competing priorities in a fast-moving, high-availability environment. You will collaborate closely with technical teams across the business to ensure reliable service delivery, operational continuity, and continuous improvement ...

Platform Engineer to join our London based law firm on a permanent basis. Key Responsibilities * Provide third-line support to a rich array of high profile legal and information systems which are fundamental to the firm. * Proactive management and analysis of the global server estate which encompasses … infrastructure meets the underlying service level targets. Key Experience * Extensive administration and understanding of SharePoint, Web, SQL, and SSO. * Applied knowledge of native SQL high-availability and disaster recovery options including Always-On, Mirroring, Replication, Log Shipping and Clustering. * Experience in migrations to Azure SQL Paas services desirable. ...

feature engineering and model training utilising both structured and unstructured large-scale dataset s.Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevanc e.Experimentation: Lead the design and analysis of A/B tests and offline experiments to evaluate model … PyTorc h).Experience using ML Training frameworks (e.g., TFX, Kubeflow Pipelines SDK) and Model Serving technologies (eg. Tensorflow Serving, Triton, TorchServ e).Experience with high-volume data processing and real-time streaming architectur es.Strong understanding of recommendation system design and personalisation algorith ms.Familiarity with Generative AI and its applications ...

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. ...

have a strong background in mainframes, comfortably navigating data communications, application support, and complex database structures? Are you looking for a long-term, high-impact contract opportunity where you can oversee mission-critical data systems for a major organization? Our client is a prominent enterprise technology provider with operations … performance tuning and space management. Working closely with the broader engineering group, you will assist application teams utilizing legacy languages to ensure seamless, high-throughput transaction processing. The ideal candidate: Extensive background in enterprise-level CA IDMS administration, keeping 24x7 high-availability systems running smoothly – required. Proven ...