1 to 25 of 35 Contract Distributed Systems Jobs in England

Java and Spring-based solutions within secure public sector environments. You will be responsible for designing, developing, and supporting enterprise-scale applications, troubleshooting live systems, and delivering scalable micro services solutions within mission-critical environments. This role requires expertise in modern Java technologies, cloud platforms, distributed systems … 7+ years, hands-on experience in Java 17+, Spring Boot, Spring Data JPA, Spring Integration, and Spring Batch. Design and implement scalable microservices and distributed systems architectures. Support live production systems, diagnose incidents, and perform root cause analysis. Build integrations using RESTful and SOAP web services alongside ...

highly skilled Telemetry & Observability Engineer to join a large-scale enterprise engineering environment focused on improving system reliability, visibility, and operational intelligence across complex distributed platforms. This role is ideal for a hands-on engineer who can go beyond using observability tools and instead design, build, and automate observability … telemetry solutions from the ground up. You will be responsible for building and evolving telemetry pipelines and observability infrastructure across a distributed, cloud-native environment. Working closely with network, platform, and software engineering teams, you will help embed observability into engineering workflows and CI/CD processes. Key Responsibilities ...

What you'll be doing Designing, developing, and maintaining secure, scalable backend applications using Java and Python. Building and optimising cloud-native services and distributed systems within AWS environments. Developing intelligent search and AI-driven workflows, including semantic search and large language model integrations. Collaborating with engineers, product … technical solutions. Contributing to architectural decisions, engineering standards, and best practices across the software development lifecycle. Troubleshooting and resolving complex technical challenges across multiple systems and technologies. Mentoring engineers and promoting a collaborative, inclusive engineering culture. Evaluating and introducing emerging technologies where they can add measurable business value. What ...

/CD Implementation: Collaborate with DevSecOps to optimise CI/CD pipelines, ensuring automated testing and deployment. Architecture Contribution: Contribute to event-driven and distributed system designs using technologies like Kafka or Event Hub. Mentorship: Guide junior developers and foster a collaborative atmosphere within a cross-functional agile team. ...

maintainable systems. You will work closely with engineering and delivery teams to establish architectural standards, improve integration patterns, and support the implementation of modern distributed technologies across complex environments. This role would suit an experienced architect with strong experience in enterprise architecture, microservices, messaging systems, API strategy, distributed … scalable architectural solutions supporting long-term operational resilience, maintainability, and adaptability. Evaluate the use of message bus technologies and event-driven architecture patterns across distributed systems. Analyse and document complex system-wide data flows, including real-time data, metadata, configuration data, and processed experimental data. Assess the suitability ...

Java Software Engineer - Microservices | Payments | Enterprise-Scale Systems Were looking for an experienced Senior Java Developer to join a high-performing engineering team delivering large-scale, business-critical platforms in a complex enterprise environment. This role is suited to someone who enjoys solving real business problems through strong engineering … deliver resilient, high-quality solutions. Key Responsibilities Design, develop, and optimise secure, scalable Java-based applications Build and support high-availability microservices and distributed systems Translate business requirements into technical solutions and engineering designs Perform code reviews, debugging, testing, and production issue resolution Collaborate across Agile teams ...

security teams to ensure messaging services are resilient, scalable, and aligned to best practice. Key Responsibilities Design, build, and optimise RabbitMQ messaging solutions across distributed systems Configure and manage RabbitMQ clusters, exchanges, queues, bindings, and policies Troubleshoot complex messaging issues including performance bottlenecks, message loss, and latency Implement … recovery strategies for RabbitMQ environments Develop automation scripts and tooling using PowerShell and Python to support deployment, monitoring, and maintenance Integrate RabbitMQ with enterprise systems, APIs, and microservices architectures Monitor system health, capacity, and performance, implementing proactive improvements Support CI/CD pipelines and infrastructure-as-code approaches ...

design, build, and maintain microservices-based applications and data engineering pipelines. This role requires strong hands-on development experience across Java services, backend systems, and data processing platforms, with a focus on building scalable, reliable, and maintainable solutions. The role involves close collaboration with data engineers, QA, product … Redshift, BigQuery, Spark). Engineering Practices & Tooling Experience with CI/CD pipelines and automated build and deployment processes. Strong experience with version control systems (Git). Experience developing in cloud environments (Azure, AWS, or GCP). Understanding of distributed systems, service communication patterns, and fault tolerance. ...

design, build, and maintain microservices-based applications and data engineering pipelines. This role requires strong hands-on development experience across Java services, backend systems, and data processing platforms, with a focus on building scalable, reliable, and maintainable solutions. The role involves close collaboration with data engineers, QA, product … Redshift, BigQuery, Spark). Engineering Practices & Tooling Experience with CI/CD pipelines and automated build and deployment processes. Strong experience with version control systems (Git). Experience developing in cloud environments (Azure, AWS, or GCP). Understanding of distributed systems, service communication patterns, and fault tolerance. ...

performance digital products used at scale. This is a hands-on leadership role where you’ll influence technical strategy, mentor engineers, and ensure backend systems are robust, secure, and future-ready. What you’ll be doing Lead backend architecture – Define and evolve scalable, secure, high-performance backend systems …/CD – Enhance pipelines, build processes, and operational workflows Drive continuous improvement – Reduce technical debt and introduce modern backend approaches Support compliance – Ensure systems align with standards such as ISO27001 and PCI What we’re looking for Strong backend engineering experience with Java (11+) & Spring Boot Event-driven architecture ...

doing Building and enhancing cloud-native applications using Java and/or Python Developing modern React front-end solutions Designing scalable systems on AWS Delivering AI-powered features using LLMs, semantic search, and RAG architectures Driving engineering best practices across CI/CD, DevOps, testing, and system reliability Collaborating … with Java and/or Python Proven expertise with AWS cloud technologies Full stack engineering capability, ideally including React Experience building secure, production-grade distributed systems Strong understanding of modern SDLC, CI/CD, and cloud-native development Exposure to AI/ML solutions, particularly LLMs, OpenAI/ ...

like 60East AMPS , Kafka, or RabbitMQ. Reactive & Agile: Experience with Functional Reactive Programming (RxJava/Flow API) within an Agile/Scrum setup. Data & Systems: Proficiency in Spring, SQL (Sybase/PostgreSQL), and distributed systems (Zookeeper). Performance: Skilled in low-latency communication and debugging complex distributed ...

would be highly beneficial. Key Responsibilities Design, develop, and maintain scalable software applications and services Work with large-scale geospatial and spatial datasets within distributed systems and processing pipelines Develop and optimise solutions using technologies such as PostGIS, ArcGIS, and related geospatial tooling Build and maintain APIs, backend … with geospatial data, spatial databases, or mapping platforms Strong backend development experience using languages such as Python, Java, C++, or similar Experience developing scalable systems, APIs, and data services Knowledge of geospatial technologies such as PostGIS, ArcGIS, GDAL, GeoServer, or similar Experience working with cloud platforms and modern software ...

Financial services/capital markets experience . Knowledge of trade lifecycle processing . ETL and data warehouse experience . Docker and Kubernetes exposure . Distributed systems experience (Kafka, microservices, event streaming) . Full Stack Engineer (Data) Based in the City of London (2 days in the office)/ ...

provide hands-on architectural guidance to development teams. This role would suit a Technical Architect with strong experience across service-oriented architecture, Java-based systems, APIs, data flows, integration patterns, non-functional requirements and technical design documentation. You will need to be comfortable working closely with engineering teams, understanding … complex existing systems, and turning architectural ambiguity into clear, actionable recommendations. Key responsibilities Review and assess the existing high-level architecture, including key components, services, interfaces and deployment approach. Analyse the current service-oriented architecture and identify strengths, gaps, risks and areas of emerging technical debt. Assess alignment with ...

live, transaction-driven platform as it scales internationally. This is an initial 6-month, Inside IR35 contract, focused on building and scaling core backend systems that support global commerce, real-time interactions, and the integration of newly acquired platform capabilities. Responsibilities: Owning and evolving backend services within a high … scale, real-time environment Designing and scaling systems to support multi-currency and cross-border transactions Building and extending a shared transaction and ledger layer used across multiple platforms Supporting the integration of newly acquired products and capabilities into the core platform Designing and exposing APIs for frontend, mobile ...

manuals, system documentation, technical standards, and training materials Requirements: Proven experience (4-5 years) in infrastructure automation (IAAC) Knowledge of traditional IT architectures in Distributed Systems (Virtualisation, Windows, Linux, Storage, Containers) Knowledge of compute (HCI/CI), backup (Cohesity) or storage platforms (NAS, S3, SAN) are an asset ...

mentoring leads, and unblocking delivery. Essential Skills & Experience Proven Principal-level experience (80% Architecture/design - 20% Coding) Strong in AWS, TypeScript, event-driven systems Experience with high-scale distributed systems Someone collaborative, hands-on, and pragmatic Desirable Salesforce Experience as this is their main CRM system ...

knowledge considered an advantage Proven expertise in designing and operating microservices-based architectures , ideally within fintech or payments environments Solid understanding of concurrent and distributed systems , including handling high-throughput transaction processing Experience working with event-driven architectures and messaging platforms such as Kafka or RabbitMQ Hands ...

financial and digital services environment. This role goes beyond traditional ERP or SAP architecture and focuses on designing scalable, enterprise-wide solutions across financial systems, digital platforms, payment ecosystems, and service integrations. The ideal consultant will have strong experience working across complex enterprise landscapes, integrating multiple services, platforms … transformation programmes. Key Responsibilities Define end-to-end solution architecture across financial, digital, and enterprise platforms Design integrations between services, APIs, payment platforms, ERP systems, and customer applications Collaborate with business, product, engineering, and infrastructure teams to deliver scalable solutions Support architecture governance, technical roadmaps, and solution standards Work ...

automation tools such as Terraform and Ansible Familiarity with monitoring and observability tools including Prometheus, Grafana and ELK Strong problem-solving ability in complex, distributed systems ...

scalable solutions at pace. Key experience includes: * Solution architecture within secure or regulated environments * On-premises, hybrid cloud, and enterprise integration architectures * Microservices and distributed systems * Security-focused solution design and assurance * Agile/Scrum delivery environments * Stakeholder engagement and technical leadership * Public sector, government, defence, or secure ...

monitoring, logging and post incident learnings feeding back into the agent/tooling Observability (enablement for automation) Required skills & Experience Senior SRE experience on distributed systems and batch/intraday workloads in a production environment. Strong Python Provable agentic AI experience showing Tool integration, guard rails, evaluation approach ...

with DevSecOps to implement and optimize CI/CD pipelines , ensuring robust automated testing, deployment, and monitoring. Architect and contribute to event-driven and distributed system designs using technologies such as Kafka, Event Hub, or similar. Drive engineering best practices: code reviews, unit/integration testing, performance tuning, documentation … microservices-based development. Experience in transforming monolithic applications into composable microservices, or modular monoliths is a plus. Python (pyspark): Some hands-on experience with distributed data processing, data pipelines, and analytic transformations. Power BI: Some experience developing dashboards, data models, DAX calculations, and enterprise-grade BI solutions. Strong understanding ...

with DevSecOps to implement and optimize CI/CD pipelines , ensuring robust automated testing, deployment, and monitoring. Architect and contribute to event-driven and distributed system designs using technologies such as Kafka, Event Hub, or similar. Drive engineering best practices: code reviews, unit/integration testing, performance tuning, documentation … microservices-based development. Experience in transforming monolithic applications into composable microservices, or modular monoliths is a plus. Python (pyspark): Some hands-on experience with distributed data processing, data pipelines, and analytic transformations. Power BI: Some experience developing dashboards, data models, DAX calculations, and enterprise-grade BI solutions. Strong understanding ...