1 to 25 of 38 Contract Distributed Systems Jobs in England

Native Systems Engineer 6 Month Contract London (Hybrid) £500/day (Outside IR35) AI Native Systems Engineer needed for a 6 Month Rolling Contract based in London (Hybrid). Start ASAP ideally September 2026. Hybrid Working – 2-3 days/week remote (WFH) + 2-3 days/…/day (Outside IR35). Working with a global IT Consultancy supporting the client's transition towards delivery models utilising AI agents to streamline systems software + operations: AI Native Systems Engineer is a technical leadership role designing AI-enabled, complex cloud-native + data-intensive systems ...

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 ...

with deep hands-on expertise in at least two of the following: Kubernetes/Containers , Kafka/Event Streaming , or VMware/Virtualization . Distributed Systems: Proven background in designing secure, fault-tolerant, high-performance distributed systems within regulated enterprise environments. DevOps & IaC: Practical experience with ...

drive architecture and design across a large-scale commercial cards ecosystem. Key Responsibilities Own and deliver end-to-end solution architecture for card-based systems, ensuring alignment with enterprise architecture principles and platform roadmaps Translate business requirements (BRDs) into solution designs , decomposing into MVPs, epics, and detailed technical stories … Design and implement scalable, resilient, and secure architectures across distributed systems Define integration patterns (REST APIs, messaging, event-driven architecture) across internal platforms and external partners Provide hands-on architectural leadership to engineering teams, ensuring design consistency and adherence to standards Govern solutions through architecture review boards , ensuring ...

working on Design, build and operate reliable, scalable backend services Own areas of the platform, including architecture and technical direction Build resilient APIs and distributed systems within a regulated financial environment Work with AWS serverless technologies , including Lambda, SQS, EventBridge and API Gateway Work with MongoDB and document … contribute to engineering standards and best practice Key Skills Strong Node.js & TypeScript Strong system design and architecture AWS & Serverless MongoDB/document databases Distributed systems, observability and incident management CI/CD and production operations Experience working in a regulated environment , ideally FinTech or financial services Comfortable owning ...

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 ...

development teams. Required Skills & Experience Engineering & Development Extensive experience developing enterprise applications using: Python C#/.NET Core/.NET 8+ Strong experience designing distributed systems, APIs, and service-oriented architecture. Proven ability to lead technical delivery across multiple projects and teams. Experience defining engineering standards, design patterns ...

/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 ...

modern engineering practices Architect payment solutions supporting real-time payments, cross-border transactions, settlement, reconciliation, and regulatory requirements Design integration patterns across enterprise systems, third-party providers, and banking platforms Drive iterative delivery, stakeholder engagement, demonstrations, and technical progress reporting Collaborate with Business, Integration, Data, and DevOps Architects … Financial Services, or other highly regulated environments Deep expertise in Java, Spring Boot, and enterprise-scale backend development Strong knowledge of microservices architecture and distributed systems Experience designing event-driven solutions using Kafka or similar messaging technologies Strong understanding of API-first architecture, REST services, and enterprise integration ...

Python, .NET, JavaScript/TypeScript, Node.js, React, Angular, and modern web technologies. Deep experience in API development, Microservices, Event-Driven Architectures, Enterprise Integration, and Distributed Systems design. Cloud, Platform Engineering & Infrastructure Expertise in Azure, AWS, and GCP with strong knowledge of multi-cloud, cloud-native, serverless, containerized ...

part of a multi-year programme building a new enterprise knowledge platform from scratch, designed to connect AI services and applications securely with enterprise systems, tools, and data. This is a genuine greenfield opportunity where you'll help shape the architecture and build scalable, resilient services supporting AI agent … Architecture and Security teams What we're looking for Strong backend engineering experience with Java, Python, Node.js or similar Experience with APIs, microservices and distributed systems Understanding of event-driven architecture and messaging Experience with cloud, containers and Kubernetes/OpenShift Knowledge of enterprise security, authentication and authorisation ...

environment. Desirable Experience Previous experience working within the banking or financial services sector . Knowledge and experience of the payments landscape , including payment-related systems and processes. Experience working with distributed systems, APIs and modern web applications. Experience integrating automated testing into CI/CD pipelines. ...

Java Spring Boot AWS Apache Kafka MongoDB Microservices and RESTful APIs Automated testing and modern software engineering practices CI/CD and DevOps principles Distributed systems and system integration What We're Looking For We are looking for an experienced Senior Software Engineer who can work independently, take … Ideally, you will have experience in: Leading or providing technical direction to software engineering teams. Mentoring and developing junior and mid-level engineers. Designing systems with scalability, resilience, availability and security in mind. Reviewing and challenging technical designs. Troubleshooting complex production and infrastructure problems. Working within Agile delivery environments. ...

headless, API-first and composable commerce MACH Architecture Strong practical experience with: Microservices API-first design Cloud-native SaaS Headless architecture Event-driven and distributed systems Integration resilience and failure handling TypeScript/Node.js Strong hands-on TypeScript and Node.js development Ability to read, debug, review and write …/cart and checkout Customer journeys Promotions Payments Order management Experience integrating commerce platforms with CMS, PIM, payment, search, promotions, customer and order management systems is highly desirable. DevOps/SRE/Operational Engineering Strong experience across: CI/CD and deployment automation Infrastructure and configuration as code Automated ...

additional experience in the following areas would be advantageous: Familiarity with DynamoDB. Knowledge of event-driven architecture and messaging patterns. Experience developing microservices and distributed systems. Exposure to CRM platforms or customer service applications. Candidate Profile: Our client is looking for engineers who are: Product-minded, focused on delivering ...

backend services that connect the platform to third-party attraction providers. You will focus on scaling partner integrations, data ingestion, and building highly resilient distributed systems. Key Responsibilities Design, build, and maintain cloud-native backend services, utilizing event-driven patterns where appropriate. Own the end-to-end delivery lifecycle … Solid understanding of Kafka or comparable event-streaming/messaging technologies. Extensive experience designing and integrating HTTP APIs with external systems. Deep understanding of distributed systems fundamentals (e.g., idempotency, retries, rate limiting) and CI/CD pipelines. Strong problem-solving skills with a collaborative, communicative approach. Nice ...

native engineering AWS ECS Docker/containerisation Terraform and/or CloudFormation Event-driven or event-sourced architecture AWS SNS and SQS Microservices/distributed systems SQL Server CI/CD and automated deployment Most importantly, we're looking for engineers who have personally delivered this type ...

architectures with experience in Java and Angular. Experience designing and consuming GraphQL and/or REST APIs. Knowledge of microservices, domain-driven design and distributed systems architecture. Experience with containerised cloud-hosted applications and modern cloud platforms. Understanding of event-driven architectures, asynchronous messaging and event-streaming technologies. ...

proven track record of building backend services and APIs Experience delivering solutions across both backend and frontend technologies, with an understanding of how systems fit together end-to-end A quality-first approach to software engineering, including automated testing, code reviews and maintainable design principles Strong communication and collaboration … frontend technologies such as React, Angular or Vue Experience working with cloud platforms, CI/CD pipelines and modern software delivery practices Exposure to distributed systems, microservices or event-driven architectures Experience mentoring, coaching or supporting the development of other engineers Practical experience with AI-assisted development tools ...

/CD, continuous improvement and knowledge sharing. Essential Skills Java 8+ Spring Boot/Spring Framework/Hibernate RESTful APIs and HTTPS Microservices and distributed systems Cloud development Unit and automated testing Agile/Scrum CI/CD and Git Jira or similar UML/SysML and Enterprise ...

external market and trading data feeds, including RTD solutions. Collaborate with technology teams, project managers and business stakeholders on strategic initiatives. Support production trading systems and contribute to DevOps and automation efforts. Required Experience Candidates must demonstrate: Hands-on Fidessa development experience within OMS and/or EMS environments. … routing logic, custom screens and business rules. Strong TCL development experience. Experience with Fidessa upgrades in customised environments. Linux/Unix experience. Equities trading systems and order management knowledge. Ability to discuss complex OMS workflow challenges they have personally solved. Technical Skills Experience with a broad range of Fidessa ...

flows, anomaly detection, and abuse prevention Contribute to internal security standards, policies, and incident response readiness What You Bring: 10+ years experience building production systems in C# & .NET Deep knowledge of Auth0 (Actions, Rules, Hooks, Universal Login, MFA, RBAC, custom claims) Solid understanding of OAuth2 , OIDC , SAML … grasp of secure coding principles: input validation, secrets management, least privilege, secure session/token handling Ability to design and review threat models for distributed systems Comfortable working in high-autonomy, high-ownership environments Bonus: experience with Terraform, CI/CD security, or penetration testing Why Join ...

Experience * Expert-level knowledge of Java (version 21) and the Spring Boot framework (version 3.6+). * Proven Experience designing, building, and maintaining complex distributed systems and microservices architectures. * Strong hands-on Experience with cloud platforms, specifically AWS, and containerization technologies like Kubernetes (EKS). * A solid understanding … agentic AI, code generation tools, or a strong personal interest and side projects in this area. * Experience in the financial services industry, particularly with systems related to debit/credit cards, is highly desirable. Skills Java springbooth AI aws Help lay the foundations for "spec-based development" and agentic ...

Responsibilities/Objectives Designing and building high-scale backend services using Java Developing secure and resilient identity and access management solutions Working on systems supporting high-volume transactional workloads in a regulated environment Applying Test Driven Development (TDD) throughout the software development lifecycle Required Skills/Experience Strongexperience … other regulated environments Experience with Identity and Access Management (IAM) platforms Knowledge of OAuth, OpenID Connect, SSO, or authentication services Experience with microservices and distributed systems Exposure to cloud platforms such as GCP, AWS, or Azure Disclaimer Not withstanding any guidelines given to level of experience sought ...