301 to 325 of 645 Permanent High Availability Jobs

Back-End Engineer, Trading

Hiring Organisation
Blockchain
Location
London, UK
core 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 the team.WHAT YOU WILL ...

Back-End Engineer, Trading

Hiring Organisation
Jobleads-UK
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 ...

Senior Linux Infrastructure Engineer - Systems & Platform

Hiring Organisation
Quant Capital
Location
London, UK
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 and hybrid environments ...

Senior Linux Infrastructure Engineer - Quant Trading

Hiring Organisation
Quant Capital
Location
London, UK
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 and hybrid environments ...

Application Support Engineer

Hiring Organisation
Bounteous
Location
London, UK
Support Engineer to join our Exchange Operations team supporting Nadex, a regulated derivatives trading exchange. You will play a critical role in ensuring the availability, stability, and performance of our production and demo trading environments. This is a hands-on role suited for someone who thrives in a fast … operational excellence. Key Responsibilities• Production Support & Monitoring — Provide expert-level remote management, administration, and support for Production and Demo trading exchange environments, ensuring system availability and application stability.• Daily Operations — Execute and monitor daily operational processing, including contract scheduling, settlement of expired contracts, and end-of-day/start ...

Site Reliability Engineer

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Location: Remote - UK working hours Remote| Full-time Compensation: £90K - £110K We are hiring on behalf of our client, a high-performance financial technology organization specializing in advanced integration service products. The client develops and delivers an innovative, hosted integration platform that enables global financial institutions to maintain … constructive, open-minded, and self-motivated approach to technical problem-solving. A strong belief in lifelong learning and an awareness of evolving technologies. High professional autonomy, with a proven ability to take the initiative within a collaborative, team‐oriented ecosystem. Experience managing third‐party relationships, negotiating with vendors, procuring ...

Lead Software Engineer - Java, JavaScript, AWS

Hiring Organisation
JP Morgan Chase
Location
Glasgow, UK
with diverse professionals and contribute to the stability and scalability of our systems.Job Responsibilities:Execute creative software solutions, design, development, and technical troubleshootingDevelop secure, high-quality production code and review and debug code written by othersIdentify opportunities to eliminate or automate remediation of recurring issuesLead evaluation sessions with external … leading-edge technologiesContribute to a team culture of diversity, opportunity, inclusion, and respectRequired Qualifications, Capabilities, and Skills:Hands-on experience building enterprise, high-availability software solutionsPractical experience delivering system design, application development, testing, and operational stabilityAdvanced proficiency in one or more programming languages (Java, React JS, Python, etc. ...

OpenStack Solution Architect

Hiring Organisation
17918
Location
London, United Kingdom
lifecycle. Essential Skills Proven experience designing and delivering enterprise OpenStack environments. Strong infrastructure engineering background. Experience building OpenStack platforms from greenfield. Linux systems engineering. High Availability (HA) and resilient infrastructure design. Networking, storage and virtualisation expertise. Infrastructure as Code using Ansible and/or Terraform. Excellent stakeholder management … Neutron, Nova, Keystone, Glance, Cinder and Heat Secure by Design Automation and CI/CD This is a fantastic opportunity to join a high-profile programme where you'll have the autonomy to shape the architecture, influence technical direction and deliver a modern enterprise private cloud platform. ...

KDB Software Engineer III

Hiring Organisation
JP Morgan Chase
Location
London, UK
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 … tick design and 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 languages e.g. ...

Software Engineer III - KDB

Hiring Organisation
Jobleads-UK
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
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 … different approaches.Practical 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 from managingJ.P. Morgan ...

JAVA Microservices - Back-end Developer -

Hiring Organisation
Randstad Digital
Location
Burgess Hill, West Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£55,000
seeking a talented Java Backend Engineer to join a dynamic team. This role is focused on building high-performance, scalable software within a distributed enterprise environment. Location: Burgess Hill, UK (On-site 3 days per week is mandatory) Employment Type: Permanent/FTE The Role You will contribute … development lifecycle-from design and debugging to deployment and monitoring. You will be responsible for building world-class applications that meet the needs of high-transaction business and customer-facing environments. Key Responsibilities Develop & Scale: Build high-quality software using distributed enterprise frameworks and scale applications based ...

Principal Software Engineer

Hiring Organisation
Jobleads-UK
Location
Waterbeach, England, United Kingdom
technical leader, mentoring other engineers and driving best practices across the development lifecycle. Key Responsibilities Lead the architecture, design, and implementation of high-performance, resilient, and secure communication systems using C#/.NET. Develop robust, low‐latency applications that handle high-volume data traffic (e.g., messaging queues, real … highly scalable, distributed systems (e.g., microservices architecture). Experience with development of Web Applications. Proven experience with protocols and technologies common in communication or highavailability systems (e.g., TCP/IP, gRPC, messaging services like Kafka or RabbitMQ). Expertise in performance tuning, concurrency, and multithreading to achieve ...

Principal Software Engineer

Hiring Organisation
Sepura
Location
Cambridge, Cambridgeshire, UK
progress your career within this innovative technology company, based in Waterbeach, Cambridge.Role: Specific responsibilities will include:Lead the architecture, design, and implementation of high-performance, resilient, and secure communication systems using C#/.NET.Develop robust, low-latency applications that handle high-volume data traffic (e.g., messaging queues, real … developing highly scalable, distributed systems (e.g., microservices architecture).Experience with development of Web Applications.Proven experience with protocols and technologies common in communication or high-availability systems (e.g., TCP/IP, gRPC, messaging services like Kafka or RabbitMQ).Expertise in performance tuning, concurrency, and multithreading to achieve low-latency ...

PostgreSQL DBA

Hiring Organisation
Quant Capital
Location
London, UK
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 field. … what 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 ...

Sr Director, Sales (NEUR)

Hiring Organisation
Couchbase
Location
United Kingdom, UK
will be the primary architect of Couchbase’s go-to-market strategy across one of our most critical theaters. You will manage a high-performance team to drive net-new logo acquisition and ARR expansion, with a specific focus on navigating the transition from legacy RDBMS environments … operate as a "Player-Coach," leading from the front on key deals while mentoring the next generation of sales leaders.Regional Split: 70% UK (Focus: High-volume Enterprise/Strategic)/30% Nordics (Focus: Community-driven expansion/Relationship-based growth).1. Key ResponsibilitiesStrategic Leadership: Develop and execute a regional ...

Senior Solution Architect

Hiring Organisation
Sanderson Recruitment
Location
Surrey, South East, United Kingdom
Employment Type
Permanent, Work From Home
function as part of its long-term digital transformation strategy. This is an exciting opportunity for an experienced Senior Solution Architect to join a high-performing architecture team, where you'll play a key role in designing and delivering enterprise-wide technology solutions. You'll work closely with senior … across infrastructure, networking, security, middleware and integration technologies Experience with architecture governance, design authorities and technical assurance Strong understanding of security, risk management and high-availability solution design Knowledge of microservices, event-driven architecture and modern architectural patterns Experience supporting Agile delivery environments using tools such as Jira ...

Senior Technical Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
technical growth opportunities. Hands-on Delivery & Mentorship: Remain close to the detail by proving solutions, reviewing code, and mentoring engineering teams to set a high bar for quality, automation, and best practices. What you’ll be doing Technical Leadership & Governance: Act as the account’s senior authority on complex … development teams, guiding clients through workshops, and identifying business growth opportunities. AWS & Serverless Architecture: Deep hands-on expertise in designing, documenting, and delivering resilient, high-availability enterprise applications on AWS (including serverless patterns and appropriate integration components). Agentic AI & Commerce: Strong understanding of building agentic AI platforms ...

IAM Engineer - SSO – Carnaby Street, London

Hiring Organisation
Jobleads-UK
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 ...

Senior Technical Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
technical growth opportunities. Hands-on Delivery & Mentorship: Remain close to the detail by proving solutions, reviewing code, and mentoring engineering teams to set a high bar for quality, automation, and best practices. What you’ll be doing Technical Leadership & Governance: Act as the account's senior authority on complex … development teams, guiding clients through workshops, and identifying business growth opportunities. AWS & Serverless Architecture: Deep hands-on expertise in designing, documenting, and delivering resilient, high-availability enterprise applications on AWS (including serverless patterns and appropriate integration components). Agentic AI & Commerce: Strong understanding of building agentic AI platforms ...

PostgreSQL DBA - Quant Trading

Hiring Organisation
Quant Capital
Location
London, UK
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 ...

Senior DevSecOps Engineer

Hiring Organisation
Yapily
Location
London, UK
Engineer, you will be a key driver in integrating security into every phase of our Software Development Lifecycle (SDLC). You will join a high-impact team, responsible for securing our highly available, multi-tenant platform built primarily on GCP and Kubernetes.This role requires a proactive and automated approach … helping to swiftly and effectively manage and resolve security events.What You Bring (Essential Skills)Cloud Architecture & Security: Deep, practical experience designing, managing, and securing high-availability infrastructure within GCP.API security: Proficient in reviewing, providing patterns and upskilling engineers to provide a secure API interface.Kubernetes Security Proficiency: Expert knowledge ...

Software Engineer, Platform - Birmingham, United Kingdom

Hiring Organisation
Jobleads-UK
Location
Birmingham, England, United Kingdom
office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies. Overview The responsibilities of our Platform team include building and maintaining all backend … providers Efficiency in ideation and implementation, prioritizing tasks based on urgency and impact Preferred: Experience with Docker and containerized deployments Preferred: Proficiency in deploying high availability applications on Kubernetes What We Offer A dynamic environment where your contributions shape the company and its products A team that values ...

Software Engineer, Platform - Cardiff, United Kingdom

Hiring Organisation
Jobleads-UK
Location
Cardiff, Wales, United Kingdom
office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies. Overview The responsibilities of our Platform team include building and maintaining all backend … providers Efficiency in ideation and implementation, prioritizing tasks based on urgency and impact Preferred: Experience with Docker and containerized deployments Preferred: Proficiency in deploying high availability applications on Kubernetes What We Offer A dynamic environment where your contributions shape the company and its products A team that values ...

Senior DevSecOps Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Engineer, you will be a key driver in integrating security into every phase of our Software Development Lifecycle (SDLC). You will join a high-impact team, responsible for securing our highly available, multi-tenant platform built primarily on GCP and Kubernetes. This role requires a proactive and automated … swiftly and effectively manage and resolve security events. What You Bring (Essential Skills) Cloud Architecture & Security: Deep, practical experience designing, managing, and securing high-availability infrastructure within GCP. API security: Proficient in reviewing, providing patterns and upskilling engineers to provide a secure API interface. Kubernetes Security Proficiency: Expert ...