426 to 450 of 816 High Availability Jobs

Java Engineer - 6-Month Contract - Hybrid (2 days on site, London) - Day Rate: Up to £650 (Inside IR35) Join a high-performing engineering team working on large-scale, high-availability systems used by millions. This role offers the chance to build and enhance complex backend services in a modern, cloud-native environment. What you'll be doing … related frameworks. Developing and maintaining RESTful APIs and event-driven systems. Writing clean, testable code and following TDD principles. Working closely with DevOps, Product, and QA teams to deliver high-quality solutions. Deploying and supporting services in AWS with tools such as Lambda, ECS, S3, and CloudFormation. What we're looking for: Strong experience with Java, Spring Boot, and More ❯

Java Engineer - 6-Month Contract - Hybrid (2 days on site, London) - Day Rate: Up to £650 (Inside IR35) Join a high-performing engineering team working on large-scale, high-availability systems used by millions. This role offers the chance to build and enhance complex backend services in a modern, cloud-native environment. What you'll be doing … related frameworks. Developing and maintaining RESTful APIs and event-driven systems. Writing clean, testable code and following TDD principles. Working closely with DevOps, Product, and QA teams to deliver high-quality solutions. Deploying and supporting services in AWS with tools such as Lambda, ECS, S3, and CloudFormation. What we're looking for: Strong experience with Java, Spring Boot, and More ❯

Do you thrive in a fast-paced, cutting-edge environment where milliseconds matter? We are working with a pioneering High Frequency Trading Company who have a very exciting opening in their fast growing London based team! You’ll have the chance to work with some of the brightest minds in the field, collaborating on challenging projects, and making a … Build, release, and support new trading systems, continuously improving the infrastructure. • Drive automation and operational excellence by leveraging your Linux expertise, Kubernetes, and Python scripting skills. • Monitor and ensure high availability and reliability of trading applications while being on top of system alerts and incidents. Key Requirements: • 1-5 years working experience • Background working in the financial services More ❯

Do you thrive in a fast-paced, cutting-edge environment where milliseconds matter? We are working with a pioneering High Frequency Trading Company who have a very exciting opening in their fast growing London based team! You’ll have the chance to work with some of the brightest minds in the field, collaborating on challenging projects, and making a … Build, release, and support new trading systems, continuously improving the infrastructure. • Drive automation and operational excellence by leveraging your Linux expertise, Kubernetes, and Python scripting skills. • Monitor and ensure high availability and reliability of trading applications while being on top of system alerts and incidents. Key Requirements: • 1-5 years working experience • Background working in the financial services More ❯

Do you thrive in a fast-paced, cutting-edge environment where milliseconds matter? We are working with a pioneering High Frequency Trading Company who have a very exciting opening in their fast growing London based team! You’ll have the chance to work with some of the brightest minds in the field, collaborating on challenging projects, and making a … Build, release, and support new trading systems, continuously improving the infrastructure. • Drive automation and operational excellence by leveraging your Linux expertise, Kubernetes, and Python scripting skills. • Monitor and ensure high availability and reliability of trading applications while being on top of system alerts and incidents. Key Requirements: • 1-5 years working experience • Background working in the financial services More ❯

platform and guide the integration of new features. Identify, evaluate, and recommend technology choices, ensuring long-term extensibility and maintainability. Partner with engineering, product, and delivery teams to translate high-level requirements into actionable technical designs. Contribute to defining API contracts, data flows, and integration patterns. Technical Stewardship Apply microservice and event-driven architectural patterns, leveraging technologies such as … Kafka for asynchronous communication and decoupling. Champion operational excellence, supporting observability, testing, deployment, and incident response practices. Embed and advocate engineering best practices: scalable design, high availability, resilience, and continuous improvement. Skills & Experience Must-have Proven experience designing and delivering architectures for large-scale, distributed microservices systems. Deep understanding of microservice patterns, event-driven architecture, and domain-driven More ❯

Strong knowledge of networking principles (TCP, UDP, multicast) and experience designing for resilience, throughput, and low-latency data distribution. Expertise in distributed computing and system architectures, including microservices and high-throughput, low-latency systems. Strong knowledge of data architecture and database design, with experience across relational, time-series, and high-availability database environments. Understanding of on-premises … AWS, OpenShift). Demonstrated ability to work within Agile/Scrum SDLC, translating business objectives into actionable user stories and robust technical deliverables. Proven ability to produce and maintain high-quality technical documentation and API specifications suitable for both engineering and client consumption. Desirable Experience working with an electronically traded asset class. Strong business and technical understanding of exchange More ❯

to maintain competitive advantage. Lead digital transformation initiatives to enhance operational efficiency and client experience. Service Delivery & Infrastructure Oversee design, implementation, and maintenance of IT infrastructure for clients. Ensure high availability, security, and scalability of managed services. Optimize cloud, network, and cybersecurity solutions for diverse client environments. Innovation & Product Development Develop new service offerings and enhance existing ones … in-class solutions. Governance & Compliance Ensure compliance with industry standards, regulations, and security frameworks. Implement robust risk management and disaster recovery strategies. Team Leadership & Development Build and mentor a high-performing technical team. Foster a culture of continuous learning and innovation. Client Engagement Act as a trusted advisor to clients on technology strategy and solutions. Support pre-sales activities More ❯

phase by embedding operational standards, improving monitoring and support processes, and enabling knowledge transfer into ongoing service delivery teams. Key Responsibilities: Lead daily operational support of legacy systems, ensuring availability, performance, and resilience. Manage incident, problem, and change activities in line with ITIL and enterprise service standards. Proactively monitor and tune infrastructure, applications, messaging, and scheduling platforms. Act as … and documentation. Skilled in documenting processes, monitoring metrics, and reporting on operational health. Excellent communication and documentation skills for effective knowledge capture and handover. Excellent communication skills, particularly in high-pressure incident management situations. Ability to operate in both deep technical detail and higher-level architectural/system view. Analytical and detail-oriented, with a continuous improvement mindset. Incident … essential for operational activities. Familiarity with ITIL-aligned service management . Building KT libraries Previous involvement in system migrations, re-platforming, or legacy modernisation programmes highly desirable. Background in high-availability, disaster recovery, and enterprise integration patterns. . More ❯

business systems. Key Responsibilities Configure, administer, and maintain IT systems and applications across Microsoft Azure and hybrid environments Manage and optimise virtual machines, storage, and networking resources to ensure high performance and uptime Implement Azure services including SSO, Application Gateways, Load Balancers, and hybrid identity solutions (Azure AD Connect) Design and maintain hybrid file storage using Azure File Sync … and continuous improvement initiatives About You You’re an experienced Infrastructure or Systems Engineer with a strong technical grounding in Microsoft Azure and hybrid environments. You thrive in complex, high-availability settings and enjoy collaborating across teams to deliver enterprise-grade solutions. Skills & Experience 5+ years’ experience in IT infrastructure, cloud, or systems engineering Strong knowledge of Azure More ❯

business systems. Key Responsibilities Configure, administer, and maintain IT systems and applications across Microsoft Azure and hybrid environments Manage and optimise virtual machines, storage, and networking resources to ensure high performance and uptime Implement Azure services including SSO, Application Gateways, Load Balancers, and hybrid identity solutions (Azure AD Connect) Design and maintain hybrid file storage using Azure File Sync … and continuous improvement initiatives About You You’re an experienced Infrastructure or Systems Engineer with a strong technical grounding in Microsoft Azure and hybrid environments. You thrive in complex, high-availability settings and enjoy collaborating across teams to deliver enterprise-grade solutions. Skills & Experience 5+ years’ experience in IT infrastructure, cloud, or systems engineering Strong knowledge of Azure More ❯

technologies and methodologies, designing and implementing innovative approaches to their problems using automation. Understanding security policies and implementing solutions to satisfy security requirements. Designing and implementing solutions which have high availability and are scalable. What you will bring to the team: Enthusiasm for collaboration and excellent communication skills (written and verbal). An interest in keeping up with … languages. Knowledge of source control technologies Awareness of security identity, access management and authentication using products This role will require you to be willing and eligible to undergo a high level of UK security clearance If you're interested in the above, apply or reach out to (see below) Reasonable Adjustments: Respect and equality are core values to us. More ❯

technologies and methodologies, designing and implementing innovative approaches to their problems using automation. Understanding security policies and implementing solutions to satisfy security requirements. Designing and implementing solutions which have high availability and are scalable. What you will bring to the team: Enthusiasm for collaboration and excellent communication skills (written and verbal). An interest in keeping up with … languages. Knowledge of source control technologies Awareness of security identity, access management and authentication using products This role will require you to be willing and eligible to undergo a high level of UK security clearance If you're interested in the above, apply or reach out to Reasonable Adjustments: Respect and equality are core values to us. We are More ❯

technologies and methodologies, designing and implementing innovative approaches to their problems using automation. Understanding security policies and implementing solutions to satisfy security requirements. Designing and implementing solutions which have high availability and are scalable. What you will bring to the team: Enthusiasm for collaboration and excellent communication skills (written and verbal). An interest in keeping up with … languages. Knowledge of source control technologies Awareness of security identity, access management and authentication using products This role will require you to be willing and eligible to undergo a high level of UK security clearance If you're interested in the above, apply or reach out to Reasonable Adjustments: Respect and equality are core values to us. We are More ❯

state architecture, ensure security & regulatory compliance, and partner with C-suite stakeholders to deliver a resilient, omnichannel cloud contact centre platform. Key Responsibilities ✅ Solution Architecture & Strategy Define multi-region, high-availability Amazon Connect architecture (voice, chat, tasks) Apply AWS Well-Architected Framework and enterprise-security standards Drive cloud sustainability, resilience, cost-efficiency & scale ✅ Contact Centre Migration & Build Lead … AWS Solutions Architect – Professional Amazon Connect specialization Healthcare/public sector/regulated industry experience Understanding of SIP, telephony frameworks, Ofcom compliance Success Metrics 📌 Secure & compliant architecture delivery 📌 99.99% availability & uplift in CX metrics (CSAT/NPS) 📌 Reduced AHT, improved agent efficiency 📌 Legacy platform retirement within program timelines Strict Regulatory Scope This role requires adherence to international privacy & cloud More ❯

state architecture, ensure security & regulatory compliance, and partner with C-suite stakeholders to deliver a resilient, omnichannel cloud contact centre platform. Key Responsibilities ✅ Solution Architecture & Strategy Define multi-region, high-availability Amazon Connect architecture (voice, chat, tasks) Apply AWS Well-Architected Framework and enterprise-security standards Drive cloud sustainability, resilience, cost-efficiency & scale ✅ Contact Centre Migration & Build Lead … AWS Solutions Architect – Professional Amazon Connect specialization Healthcare/public sector/regulated industry experience Understanding of SIP, telephony frameworks, Ofcom compliance Success Metrics 📌 Secure & compliant architecture delivery 📌 99.99% availability & uplift in CX metrics (CSAT/NPS) 📌 Reduced AHT, improved agent efficiency 📌 Legacy platform retirement within program timelines Strict Regulatory Scope This role requires adherence to international privacy & cloud More ❯

state architecture, ensure security & regulatory compliance, and partner with C-suite stakeholders to deliver a resilient, omnichannel cloud contact centre platform. Key Responsibilities ✅ Solution Architecture & Strategy Define multi-region, high-availability Amazon Connect architecture (voice, chat, tasks) Apply AWS Well-Architected Framework and enterprise-security standards Drive cloud sustainability, resilience, cost-efficiency & scale ✅ Contact Centre Migration & Build Lead … AWS Solutions Architect – Professional Amazon Connect specialization Healthcare/public sector/regulated industry experience Understanding of SIP, telephony frameworks, Ofcom compliance Success Metrics 📌 Secure & compliant architecture delivery 📌 99.99% availability & uplift in CX metrics (CSAT/NPS) 📌 Reduced AHT, improved agent efficiency 📌 Legacy platform retirement within program timelines Strict Regulatory Scope This role requires adherence to international privacy & cloud More ❯

quality by developing code unit tests of developed software, and being equally meticulous in code peer reviews of other developers' software changes Monitor system performance, troubleshoot issues, and ensure high availability Maintain and troubleshoot networking components, including VLANs, firewalls, switches, and routers Install, configure, and maintain operating systems, software, servers, and hardware. Deploy, manage, and support virtualized environments … period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age More ❯

quality by developing code unit tests of developed software, and being equally meticulous in code peer reviews of other developers' software changes Monitor system performance, troubleshoot issues, and ensure high availability Maintain and troubleshoot networking components, including VLANs, firewalls, switches, and routers Install, configure, and maintain operating systems, software, servers, and hardware. Deploy, manage, and support virtualized environments … period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age More ❯

quality by developing code unit tests of developed software, and being equally meticulous in code peer reviews of other developers' software changes Monitor system performance, troubleshoot issues, and ensure high availability Maintain and troubleshoot networking components, including VLANs, firewalls, switches, and routers Install, configure, and maintain operating systems, software, servers, and hardware. Deploy, manage, and support virtualized environments … period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age More ❯

balancing, DNS) and storage solutions (e.g., persistent volumes, dynamic provisioning). Hands-on experience with CI/CD tools (e.g., Jenkins, Github, ArgoCD) and DevOps workflows. Strong understanding of high availability, scalability, and security principles in cloud-native environments. Proven experience in workload and application migration to OpenShift or similar platforms. Proficiency in scripting and automation Excellent problem More ❯

manage cloud infrastructure and ensure consistency. - Strong hands-on with EKS migration - Proficiency in scripting (Python, Go) - Familiarity with GitOps (FluxCD or ArgoCD) - Solid understanding of networking, security, and high availability in AWS - Experience of working for Startup/Scaleup clients ** Bonus points if you speak Russian ** If this sounds like your next step, drop me a message More ❯

and AKS. Experience with Python and PySpark for distributed data processing, along with proficiency in Numpy, Pandas and other data manipulation libraries. Experience in optimizing big data architectures for high availability and performance. Strong problem-solving skills, analytical mindset, and ability to work in fast-paced environments.Experience with the Incorta platform, including its Direct Data Mapping engine, which More ❯

manage cloud infrastructure and ensure consistency. Strong hands-on with EKS migration Proficiency in scripting (Python, Go) Familiarity with GitOps (FluxCD or ArgoCD) Solid understanding of networking, security, and high availability in AWS Experience of working for Startup/Scaleup clients ** Bonus points if you speak Russian ** Why Join Us: You’ll be part of a collaborative team More ❯

and regulations Collaborate with cross-functional teams to integrate event data into wider systems Monitor and optimise system performance (latency, throughput, resource utilisation) Troubleshoot issues and deliver solutions for high availability and reliability What We’re Looking For Experience 4+ years in a senior technical role, ideally within data engineering AWS stack: S3, EMR, EC2, Kinesis, Firehose, Flink More ❯