51 to 70 of 70 High Availability Jobs in Central London

Kubernetes (K8s) infrastructure. As a key member of the team, you will: Design and implement components of their new Cash Equity and Electronic Execution Platform. Guarantee the system's high availability for global equity market trading. Craft bespoke trading workflows tailored to the specific needs of demanding clients across multiple trading desks. Engineer and optimize systems for dynamic … in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems, ideally within equity trading using OMS More ❯

Systems Software Engineer (Python) Are you a top-tier Software Engineer with a passion for high-performance systems and a knack for solving complex infrastructure challenges? We are seeking an elite developer to join a rapidly growing, highly respected HFT company that operates at the cutting edge of its industry. This isn't a typical infrastructure support role. Our … core member of an infrastructure engineering team, focusing on developing, maintaining, and scaling the critical systems that power operations. Your primary tool will be Python, used to build robust, high-availability solutions that support their technology ecosystem. What We're Looking For: We are specifically targeting engineers who possess a world-class blend of software development and systems …/Tier-2 technology company known for demanding technical standards. Proven ability to tackle and resolve deep, complex infrastructure and OS-level issues. If you have a background in high-speed, data-intensive environments-including highly performant infrastructure in tech, gaming, or financial trading, we want to hear from you. Why Join? This is a chance to step into More ❯

music industry, is seeking .NET 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. We are seeking .NET Developer candidates More ❯

Oversee network IP addressing and VPN setups * Support business continuity through proactive incident management * Rapid deployment of site connectivity solutions, including 4G routers * Monitor network health and performance, ensuring high availability and resilience * Maintain inventory and configuration records for infrastructure and software * Collaborate with the Security Operations Center (SOC) on network security * Support software licensing and upgrades * Support More ❯

Policy and compliance enforcement. Strong background in identity and access management , including OAuth and federated credentials. Deep understanding of Azure security best practices , including Defense in Depth , BCDR , and high availability. If you meet these requirments please send me a copy of your CV to (url removed More ❯

advanced data services with Databricks and Unity Catalog for data governance. Develop CI/CD pipelines using GitHub Actions. Ensure security best practices, including Defense in Depth, BCDR, and high availability. Manage identity and access, including OAuth and federated credentials. Optimise cloud costs and monitor usage effectively. Essential Skills Proven experience with Terraform for Azure infrastructure as code. Strong More ❯

onsite) £100,000 - £120,000 Harrington Starr has partnered with a leading global FinTech seeking an experienced Engineering Lead to join their London team. You’ll lead a small, high-performing engineering group building cloud-native enterprise software used worldwide. Key Responsibilities: Lead, mentor, and grow a team of 2–5 engineers. Design, build, and maintain scalable and secure … systems. Champion engineering best practices (Agile, CI/CD, TDD). Collaborate with Product and Operations to deliver high-impact solutions. Key Benefits: Hybrid working model with London HQ. Competitive salary with bonus and generous holiday allowance. Private medical insurance and funded professional training. Inclusive, collaborative engineering culture with progression opportunities. Key Requirements: Proven experience leading software development teams. … Strong technical expertise in C#, Angular, and cloud platforms. Experience designing high-availability, performant cloud services. Excellent communication and stakeholder management skills For any additional questions, please contact me via LinkedIn or email - ollie.bluck@harringtonstarr.com If you feel this is the right role for you, please apply below More ❯

onsite) £100,000 - £120,000 Harrington Starr has partnered with a leading global FinTech seeking an experienced Engineering Lead to join their London team. You’ll lead a small, high-performing engineering group building cloud-native enterprise software used worldwide. Key Responsibilities: Lead, mentor, and grow a team of 2–5 engineers. Design, build, and maintain scalable and secure … systems. Champion engineering best practices (Agile, CI/CD, TDD). Collaborate with Product and Operations to deliver high-impact solutions. Key Benefits: Hybrid working model with London HQ. Competitive salary with bonus and generous holiday allowance. Private medical insurance and funded professional training. Inclusive, collaborative engineering culture with progression opportunities. Key Requirements: Proven experience leading software development teams. … Strong technical expertise in C#, Angular, and cloud platforms. Experience designing high-availability, performant cloud services. Excellent communication and stakeholder management skills For any additional questions, please contact me via LinkedIn or email - ollie.bluck@harringtonstarr.com If you feel this is the right role for you, please apply below More ❯

Architect – Network Role Overview The Tech Architect – Network will be responsible for delivering advanced network architecture and operational support for the client’s enterprise network environment. This role ensures high availability, security, and performance across WAN, LAN, and wireless infrastructure, while driving innovation and compliance with the client’s managed network services framework. Key Responsibilities Network Architecture & Design … Develop and maintain high-level and low-level designs for WAN, LAN, and Wi-Fi networks. Ensure alignment with the client’s target architecture and security standards. Act as the first point of technical escalation for all network-related issues. Own Priority 1 (P1) incidents and drive associated Root Cause Analysis (RCA) to closure. Lead all technical conversations with More ❯

Architect – Network Role Overview The Tech Architect – Network will be responsible for delivering advanced network architecture and operational support for the client’s enterprise network environment. This role ensures high availability, security, and performance across WAN, LAN, and wireless infrastructure, while driving innovation and compliance with the client’s managed network services framework. Key Responsibilities Network Architecture & Design … Develop and maintain high-level and low-level designs for WAN, LAN, and Wi-Fi networks. Ensure alignment with the client’s target architecture and security standards. Act as the first point of technical escalation for all network-related issues. Own Priority 1 (P1) incidents and drive associated Root Cause Analysis (RCA) to closure. Lead all technical conversations with More ❯

day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a Java Software Engineer who thrives in a fast-paced, agile environment? Passionate about high-throughput, real-time systems? This is your opportunity to help shape the core technology that powers instant payments for some of the world’s largest Banks. We’re hiring on … consultancy, delivering cutting-edge solutions that integrate seamlessly with bank infrastructure to enable real-time, secure transactions across the globe. 🔍 What You’ll Be Doing You’ll join a high-performing engineering team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with … and system resilience Agile mindset, with TDD/BDD and CI/CD experience Bonus: Background in Banking/Payments is helpful but not required – if you’ve built high-performance, real-time systems, we want to talk to you. 🎁 What’s In It for You 💰 £75,000 – £95,000 base salary (DOE) 🎯 20% bonus 🧠 Work with cutting-edge More ❯

day a week onsite 🚀 Join a FinTech Powering the Future of Payments Are you a Java Software Engineer who thrives in a fast-paced, agile environment? Passionate about high-throughput, real-time systems? This is your opportunity to help shape the core technology that powers instant payments for some of the world’s largest Banks. We’re hiring on … consultancy, delivering cutting-edge solutions that integrate seamlessly with bank infrastructure to enable real-time, secure transactions across the globe. 🔍 What You’ll Be Doing You’ll join a high-performing engineering team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with … and system resilience Agile mindset, with TDD/BDD and CI/CD experience Bonus: Background in Banking/Payments is helpful but not required – if you’ve built high-performance, real-time systems, we want to talk to you. 🎁 What’s In It for You 💰 £75,000 – £95,000 base salary (DOE) 🎯 20% bonus 🧠 Work with cutting-edge More ❯

highly skilled Data Engineer to design, build and maintain the core data infrastructure powering the investment and risk processes. This is a fully hands-on role within a small, high-calibre team, offering significant impact and ownership. You will develop robust, production-grade ETL pipelines, manage cloud-based and on-prem data environments, and integrate diverse datasets from external … vendors, trading systems and internal sources. The role also involves implementing automated data validation processes, optimising data quality and performance, and ensuring high availability across all systems. Working closely with the portfolio manager, researchers and engineers, you will enable data-driven decision-making through well-structured, scalable systems. You should be comfortable operating independently across the full data More ❯

highly skilled Data Engineer to design, build and maintain the core data infrastructure powering the investment and risk processes. This is a fully hands-on role within a small, high-calibre team, offering significant impact and ownership. You will develop robust, production-grade ETL pipelines, manage cloud-based and on-prem data environments, and integrate diverse datasets from external … vendors, trading systems and internal sources. The role also involves implementing automated data validation processes, optimising data quality and performance, and ensuring high availability across all systems. Working closely with the portfolio manager, researchers and engineers, you will enable data-driven decision-making through well-structured, scalable systems. You should be comfortable operating independently across the full data More ❯

and project streams, helping to maintain and evolve the clients infrastructure, and enabling the migration or rollout of Windows?11 environments. The ideal candidate is comfortable in a complex, high-availability environment and has experience with modern infrastructure tooling and security practices. Key Responsibilities Manage infrastructure incidents and service requests under SLA Monitoring metrics, logs, and alerts to More ❯

track record in commissioning management within the data centre sector , ideally on large-scale or hyperscale projects Deep technical understanding of critical M&E systems and their role in high-availability environments Proven ability to manage external contractors and specialists, driving performance and accountability Excellent communication and organisational skills, with a sharp focus on delivery, cost control, and More ❯

track record in commissioning management within the data centre sector , ideally on large-scale or hyperscale projects Deep technical understanding of critical M&E systems and their role in high-availability environments Proven ability to manage external contractors and specialists, driving performance and accountability Excellent communication and organisational skills, with a sharp focus on delivery, cost control, and More ❯

sector where technology underpins every business decision.This leadership role centres around shaping and executing infrastructure strategy across a diverse technology estate. You’ll be the go-to expert for high-level technical escalations, ensuring systems are secure, scalable, and aligned to business needs. From disaster recovery planning to capacity management, your influence will span both operational delivery and strategic … and ensure readiness for disruption through tested recovery frameworks. Cross-Functional Collaboration: Work closely with project managers, vendors, and internal teams to deliver seamless infrastructure solutions. This is a high-trust, high-impact role for someone who thrives in a fast-paced, regulated environment and wants to shape the future of enterprise IT. Core Responsibilities: Architect and deliver … infrastructure strategies that support business agility and long-term growth. Evaluate emerging technologies and drive adoption where they enhance performance and security. Lead and develop a high-performing technical team, ensuring continuous improvement and capability uplift. Manage relationships with clients and vendors, ensuring alignment with service expectations and governance standards. Oversee infrastructure-related projects, ensuring timely delivery and technical More ❯

where technology underpins every business decision. This leadership role centres around shaping and executing infrastructure strategy across a diverse technology estate. You’ll be the go-to expert for high-level technical escalations, ensuring systems are secure, scalable, and aligned to business needs. From disaster recovery planning to capacity management, your influence will span both operational delivery and strategic … and ensure readiness for disruption through tested recovery frameworks. Cross-Functional Collaboration: Work closely with project managers, vendors, and internal teams to deliver seamless infrastructure solutions. This is a high-trust, high-impact role for someone who thrives in a fast-paced, regulated environment and wants to shape the future of enterprise IT. Core Responsibilities: Architect and deliver … infrastructure strategies that support business agility and long-term growth. Evaluate emerging technologies and d Drive adoption where they enhance performance and security. Lead and develop a high-performing technical team, ensuring continuous improvement and capability uplift. Manage relationships with clients and vendors, ensuring alignment with service expectations and governance standards. Oversee infrastructure-related projects, ensuring timely delivery and More ❯

where technology underpins every business decision. This leadership role centres around shaping and executing infrastructure strategy across a diverse technology estate. You’ll be the go-to expert for high-level technical escalations, ensuring systems are secure, scalable, and aligned to business needs. From disaster recovery planning to capacity management, your influence will span both operational delivery and strategic … and ensure readiness for disruption through tested recovery frameworks. Cross-Functional Collaboration: Work closely with project managers, vendors, and internal teams to deliver seamless infrastructure solutions. This is a high-trust, high-impact role for someone who thrives in a fast-paced, regulated environment and wants to shape the future of enterprise IT. Core Responsibilities: Architect and deliver … infrastructure strategies that support business agility and long-term growth. Evaluate emerging technologies and d Drive adoption where they enhance performance and security. Lead and develop a high-performing technical team, ensuring continuous improvement and capability uplift. Manage relationships with clients and vendors, ensuring alignment with service expectations and governance standards. Oversee infrastructure-related projects, ensuring timely delivery and More ❯