10 of 10 Contract Distributed Systems Jobs in London

Hour - £62 Per Hour Inside IR35 Job Overview We are looking for a Senior Site Reliability Engineer with strong experience in Observability, Monitoring and Distributed Systems to support large-scale cloud infrastructure supporting millions of devices globally. The role focuses on building and scaling monitoring, logging and alerting … platforms to ensure high availability and performance of cloud services. Responsibilities Design, deploy and scale observability platforms Manage and scale Prometheus monitoring systems Deploy and maintain large Elasticsearch clusters Build and maintain data pipelines using Kafka Develop alerting and monitoring frameworks Automate infrastructure using Terraform and Ansible Develop tools ...

designing major solution components, defining reference architectures, and guiding development teams through POCs to production-scale implementations. The role has a strong open-source, distributed systems, and data architecture focus, with frequent CIO-level technical interactions. Your Responsibilities Architecture & Blueprint Design Define end-to-end architecture blueprints covering … Your Profile Essential Skills/Knowledge/Experience Core Experience 10+ years of experience in enterprise architecture or principal technical roles. Strong background in distributed systems and data platforms. Hands-on experience with OpenTelemetry, Kafka, and time-series data platforms. Technical Expertise Architecture of high-volume telemetry ...

cloud optimisation initiatives What We’re Looking For Strong commercial experience as a Senior Ruby or Ruby on Rails Engineer Deep understanding of distributed systems and cloud-based application design Extensive hands-on experience with AWS Solid background in building scalable APIs, microservices, and backend systems Familiarity ...

coverage Build or integrate AI-enabled security workflows to improve automation, signal quality, and developer productivity Support secure software development practices across large-scale distributed systems Design and develop internal security tooling, libraries, and services that integrate seamlessly into engineering workflows Build and maintain CI/CD extensions … organisation (eg Python, Go, JavaScript, PHP, or C#) Partner with platform and DevOps teams Key Requirements Software engineering background with experience building production-grade systems Experience designing APIs, services, or internal platforms used by engineers Integrating tools into CI/CD pipelines (eg GitHub, GitLab, Jenkins) Strong understanding ...

excellence and continuous improvement Influence long-term technology strategy by developing patterns, frameworks, and reusable architectural approaches Support the transformation of legacy and monolithic systems into modern, cloud-native ecosystems Your Profile Essential skills/knowledge/experience: Proven experience in solution architecture and engineering, with a strong track … build, delivery, and design principles Experience architecting modern ecosystems to support the transformation of monolithic applications Strong understanding of event-driven architectures, APIs, and distributed systems Ability to define and embed patterns, standards, and engineering practices across teams Excellent storytelling and communication skills, able to articulate architectural vision ...

This role sits within a large-scale NHS digital transformation programme delivered via a leading consultancy partner. The programme focuses on modernising critical healthcare systems, improving access to services, and enabling seamless integration across national and local platforms. The work involves building scalable, secure, and interoperable digital services that … support high-volume user interactions and integrate with multiple systems across the healthcare ecosystem. The Role As a Java Developer, you will be responsible for designing, building, and maintaining high-quality backend services within a complex, distributed system. You will work closely with product, architecture, and engineering teams ...

will work closely with front-office stakeholders, reacting quickly to business requirements while contributing to regulatory and business-driven enhancements. Prior experience with distributed systems and statistical analysis is highly desirable. * Location: London (Hybrid) * Daily Rate: Flexible * Start Date: ASAP Key Responsibilities * Develop and enhance KDB/ ...

approval for solution architectures across systems. Key Responsibilities Define and own end-to-end solution architecture across Salesforce, Data Cloud, and connected enterprise systems Analyze existing client architecture and design target-state architecture aligned to prioritized use cases Create architecture diagrams (logical, physical, integration flows) and document solution designs …/Service Cloud) Exposure to Salesforce Data Cloud (preferred) Exposure to Agentforce/AI-driven workflows (good to have) Knowledge of cloud architecture and distributed systems Familiarity with integration tools, connectors, and middleware Architecture & Governance Experience creating architecture diagrams and technical documentation Understanding of enterprise architecture governance processes ...

based data pipelines. Proven experience with time-series databases (e.g., Prometheus, VictoriaMetrics, OpenSearch, InfluxDB, etc.). Technical & Platform Expertise Platform design for large-scale, distributed systems. Strong knowledge of open-source observability stacks. Experience driving POCs into enterprise-grade solutions. Leadership & Communication Proven experience engaging with CIOs and senior ...

Title: Scala Developer Job Description This role focuses on designing and delivering performance-critical, data-driven systems that support equities, cash, and stock loan trading. You will work on core trading and inventory platforms, contributing to next-generation equity swaps initiatives, trade lifecycle automation, and enhanced risk management capabilities. … with quantitative analysts, traders, and business stakeholders to deliver robust, scalable trading solutions. Responsibilities Design, develop, and maintain front-to-back equity swap trading systems using Scala with a strong emphasis on functional programming. Build and enhance high-throughput, low-latency platforms with a strong focus on performance, scalability ...