1 to 25 of 31 Contract Distributed Systems Jobs in the UK

experience in designing, developing, and optimizing real-time, low-latency data processing platforms . The ideal candidate should possess strong expertise in Java, distributed systems, event-driven architectures, streaming technologies, and data engineering frameworks to build scalable solutions capable of processing high-volume data changes with minimal latency. … This role requires hands-on experience in developing enterprise-grade backend applications that capture, process, transform, and distribute real-time data across multiple systems while ensuring reliability, scalability, and performance Required Experience 8+ years of backend application development experience using Java. Experience building ultra-low-latency systems (<100ms ...

Remote Working | Occasional Travel to London We're looking for a Principal Developer to join a major engineering programme delivering large-scale, cloud-native systems within AWS. This is a hands-on technical leadership role suited to an experienced engineer who enjoys remaining close to the code while helping … decisions, technical governance and live service operations. What You'll Be Doing Leading the design and development of large-scale cloud-native applications. Delivering distributed, event-driven microservices-based solutions. Providing technical leadership and direction across multiple teams. Collaborating with architects, security specialists and senior stakeholders. Acting ...

availability streams, real-time messaging, webhooks, and complex data translations-ensuring seamless communication between external platforms and internal microservices. Responsibilities Architect, deploy, and manage distributed backend microservices powering critical third-party integrations. Create reliable, event-driven data flows to process partner product updates, availability matrices, and transactional notifications. Apply … strong distributed systems practices (fault tolerance, retries, rate-limiting, and idempotency) while leveraging metrics and tracing to maintain system health. Own the Lifecycle: Take end-to-end technical ownership-from refining specs and coding to testing, safe releases, and live production monitoring. Essential Proven experience engineering high-scale ...

Looking for a detailed orientated engineer to join an existing engineering team, understand the architecture quickly, contribute production-quality code, troubleshoot distributed systems, and independently drive assigned deliverables through to deployment. You should have the following experience: MongoDB, Express.js, Angular, Node.js, C#/.NET Core 10+ … Server 19+. Programming: JavaScript and TypeScript Architecture: Microservices and distributed applications Event-Driven Architecture: Apache Kafka Kafka: Producers, consumers, topics, partitions and consumer groups Cloud: AWS application deployment and support DevOps: CI/CD pipeline implementation and automation Containers: Docker APIs: RESTful API design and development using C# with ...

Looking for a detailed orientated engineer to join an existing engineering team, understand the architecture quickly, contribute production-quality code, troubleshoot distributed systems, and independently drive assigned deliverables through to deployment. You should have the following experience: MongoDB, Express.js, Angular, Node.js, C#/.NET Core 10+ … Server 19+. Programming: JavaScript and TypeScript Architecture: Microservices and distributed applications Event-Driven Architecture: Apache Kafka Kafka: Producers, consumers, topics, partitions and consumer groups Cloud: AWS application deployment and support DevOps: CI/CD pipeline implementation and automation Containers: Docker APIs: RESTful API design and development using C# with ...

architects to deliver secure, scalable and maintainable services and APIs. Key Skills & Experience Strong C#/.NET software engineering experience. Technical leadership of distributed systems, microservices and REST APIs . Strong Microsoft Azure experience. GitHub Actions, CI/CD and Terraform . Technical architecture and design decision-making. … modernisation within regulated environments. NHS digital standards and secure service delivery. Keywords: C# | .NET | Azure | Terraform | GitHub Actions | CI/CD | REST APIs | Microservices | Distributed Systems | Docker | Azure API Management | GitHub Copilot | AI | DevOps | Cloud | Software Engineering | Technical Lead | Architecture | Automated Testing | Security | Observability ...

experience IR35: Outside IR35 Start Date: Immediate About the Role We are working with a fast-growing UK frontier technology company developing advanced AI systems for organisations operating in complex, high-stakes environments. The business is looking for a Senior Applied AI Engineer to take genuine technical ownership … production-grade agentic AI systems. This is a builder's role rather than an integration role . You will design and implement sophisticated AI systems from the ground up, make architecture-level decisions, write production-quality software and own features through to deployment. The focus is on turning rapidly ...

based trading and post-trade platforms. You will work within the Reference Data platform team, responsible for a critical integration layer that connects multiple systems across the trading ecosystem. The position centres on modernising platform architecture, improving scalability, and enabling robust data integration across domains such as Synthetic Trading … environments. Enable and support microservices architecture deployment using containerisation technologies such as Docker and Kubernetes/EKS. Implement scalable, highly available, and fault-tolerant systems that align with enterprise architecture standards. Collaborate closely with application developers, traders, and business stakeholders to deliver secure, reliable, and high-performance cloud solutions. ...

Kafka RabbitMQ or similar messaging technologies SQL and NoSQL databases Containerization (Docker) Kubernetes CI/CD pipelines Git-based development workflows Good understanding of: Distributed systems System integration API design Scalability patterns Roles and Responsibilities Backend Engineering Design and develop enterprise-grade Back End services using Java. Build … APIs and microservices supporting digital asset products. Develop scalable and resilient systems aligned with banking standards. Ensure high availability, security, performance, and maintainability. Blockchain Development Implement blockchain-related business logic and workflows. Develop components supporting: Smart contract interactions Minting and burning processes Asset transfer flows Wallet management capabilities Integrate ...

highly regulated environment. Key Responsibilities Design, develop and maintain enterprise applications using C# and .NET. Develop scalable, secure and high-performance APIs, services and distributed applications. Work with Technical Analysts and business stakeholders to translate requirements into technical solutions. Contribute to solution architecture, technical design and code reviews. Develop … REST APIs and microservices SQL Server, including complex queries, stored procedures and optimisation Entity Framework/ORM Object-oriented design and design patterns Distributed systems and enterprise integration Unit and automated testing Azure DevOps, Git and CI/CD Agile/Scrum delivery Strong troubleshooting and problem-solving ...

week on-site) Role Type: Contract About the Role We are seeking a Senior Backend Engineer to design, build, and scale resilient, high-performance distributed systems. This role is ideal for a pragmatic developer who thrives in fast-paced Agile environments, excels at navigating large existing codebases, and delivers … What You'll Bring (Must-Haves) Experience: 5+ years of hands-on backend engineering experience, with deep expertise in Java and Spring Boot . Distributed Systems: proven track record in microservices architecture, relational database modeling, and event-driven messaging (e.g., Kafka ). Cloud & DevOps: Hands-on experience with ...

readiness, releases and operational support. Skills and Experience: Languages & Frameworks: Java/Spring Boot Architecture: REST APIs/Microservices/Event-Driven Architecture/Distributed Systems Messaging: Apache Kafka Database: PostgreSQL Cloud: AWS/Microsoft Azure Containers: Docker/Kubernetes/Amazon EKS Infrastructure: Terraform CI/ ...

operational standards Investigating defects, finding root causes and supporting deployment, monitoring and troubleshooting What You'll Bring A degree in Computer Science, Engineering, Information Systems or a related field, plus 3+ years in software development within Agile product teams Strong Java experience building microservices, with solid solution design … systems modelling skills Front-end experience with TypeScript and Angular, including HTML and CSS A good understanding of REST APIs and messaging, ideally Kafka or MQ, plus distributed systems and architecture principles Experience with automated testing, source control, CI/CD and containers, ideally Kubernetes and Azure ...

operational standards Investigating defects, finding root causes and supporting deployment, monitoring and troubleshooting What You'll Bring A degree in Computer Science, Engineering, Information Systems or a related field, plus 3+ years in software development within Agile product teams Strong Java experience building microservices, with solid solution design … systems modelling skills Front-end experience with TypeScript and Angular, including HTML and CSS A good understanding of REST APIs and messaging, ideally Kafka or MQ, plus distributed systems and architecture principles Experience with automated testing, source control, CI/CD and containers, ideally Kubernetes and Azure ...

teams. Develop secure, high-quality production code and actively review, debug and improve code produced by other engineers. Lead architectural design for cloud-native systems and services, producing comprehensive RFCs, ADRs, architecture diagrams and other technical design documentation. Drive operational excellence by identifying patterns in system failures, operational metrics … knowledge of agile engineering methodologies, CI/CD, application resilience, security and capacity planning. Demonstrable expertise in a technical discipline such as cloud architecture, distributed systems, security, DevOps or platform engineering. Experience working within the financial services sector , including understanding of IT environments, regulatory requirements and operational constraints. ...

delivery of software solutions. You will work closely with engineering teams to design, develop, test, troubleshoot, deploy, document, and support the software and systems that power customer-facing applications, business applications, and internal tools. You will need: Extensive hands-on software engineering experience, including significant experience developing applications using … engineering leadership experience within a complex technology environment, or equivalent leadership experience. Proven track record delivering enterprise-grade technology solutions and integrating cross-platform systems within Agile product organizations. Experience working within Agile software delivery environments, including Scrum, Kanban, iterative development, and user-story-based planning. Demonstrated ability ...

Agentic AI and Large Language Models RAG architectures, prompt orchestration and vector search AWS cloud engineering, particularly Bedrock and AgentCore RESTful APIs, microservices and distributed systems CI/CD pipelines, DevOps and automation LLM integration, evaluation and performance optimisation Secure application development and observability Experience with Terraform, GitOps ...

/mTLS, SNI, ALPN, and certificate management. Experience with API Gateway and cloud-native networking. Experience with OpenAPI/Swagger. Experience working with distributed systems and high-throughput applications. ...

ability to write and explain code independently without relying on AI coding assistants. Solid cloud architecture experience across Azure and AWS. Strong understanding of distributed systems, APIs, microservices and event-driven architecture. Practical experience building AI solutions using LLMs, RAG, vector databases and agent orchestration frameworks. Knowledge ...

millions of our customers around the world to bank quickly,'simply' and securely. We run and manage our technology infrastructure, cloud and core banking systems that power the world's leading international bank, with one of the largest technology estates in the industry. Role Summary We are looking …/CD pipelines. Implement automated testing for IAM policies and API behaviour. 5. Support, Troubleshooting & Collaboration Troubleshoot identity, access, and API workflow issues across distributed systems. Provide technical guidance to engineering teams on secure API design, IAM best practices, and identity workflows. Work with security teams during audits, compliance ...

Java Developer with strong knowledge of distributed systems, concurrency and Spring Boot working within an enterprise Linux environment and responsible for the heavy lifting of complex trading systems. Must have core competencies in Multi-threading, Event driven processing and algorithmic problem solving ability. Expected to follow best software ...

developing applications using Scala. Strong understanding of functional programming principles. Experience with Akka, Play Framework, similar Scala ecosystems. Knowledge of REST APIs, microservices, and distributed systems. Experience with relational and NoSQL databases. Familiarity with cloud platforms such as AWS, Azure, or Google Cloud. Experience with Git, CI/ ...

enabled solutions across both cloud and on-premises environments. This position is ideal for a hands-on technical expert with experience designing and building distributed solutions using modern iPaaS platforms , Azure services, and automation technologies. You will work across the full development lifecycle, from requirements and wireframing through … deployment and optimisation, supporting rapid delivery cycles within a secure enterprise environment. Key Responsibilities Design and implement distributed solutions across iPaaS and on-premises infrastructure environments. Build scalable integrations, automation workflows, and platform services that support enterprise transformation initiatives. Rapidly elaborate requirements and translate business needs into technical wireframes ...

Perforce (P4) . Configure and resolve bottlenecks within Network Storage/NFS environments supporting heavy, data-intensive compute workloads. Core Technical Requirements Operating Systems: Deep hands-on experience with Linux administration and systems architecture. Development & Scripting: Strong proficiency in Python and shell scripting for infrastructure automation and tooling. … Perforce (P4). CI/CD: Proven track record of building, scaling, and maintaining deployment pipelines in Jenkins and GitHub Actions. Storage Systems: Solid understanding of network storage principles, particularly NFS mount configurations and troubleshooting. Preferred/"Nice to Have" Experience Hands-on exposure to distributed systems ...

Strong CI/CD experience with Azure DevOps and GitHub. API, integration and browser-based testing expertise. Terraform experience and a strong understanding of distributed systems and microservices. A background in SRE or Platform Engineering leadership. Datadog or Azure certifications and Cloudflare administration experience would be advantageous. ...